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Overview
Comment:3.3.8 Codemerge
Downloads: Tarball | ZIP archive | SQL archive
Timelines: family | ancestors | descendants | both | sourceforge
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SHA1: 79005e2d230d005f1d19384663c0928deafb3c4c
User & Date: rmsimpson 2006-10-12 21:34:20
Context
2006-10-14
02:27
3.3.8 codemerge check-in: de5078c58f user: rmsimpson tags: sourceforge
2006-10-12
21:34
3.3.8 Codemerge check-in: 79005e2d23 user: rmsimpson tags: sourceforge
2006-10-05
22:35
Transaction Scope fixes check-in: 7d43f65e6a user: rmsimpson tags: sourceforge
Changes
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Changes to SQLite.Interop/src/alter.c.

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**    May you find forgiveness for yourself and forgive others.
**    May you share freely, never taking more than you give.
**
*************************************************************************
** This file contains C code routines that used to generate VDBE code
** that implements the ALTER TABLE command.
**
** $Id: alter.c,v 1.23 2006/08/13 15:55:00 rmsimpson Exp $
*/
#include "sqliteInt.h"
#include <ctype.h>

/*
** The code in this file only exists if we are not omitting the
** ALTER TABLE logic from the build.
................................................................................
#ifndef SQLITE_OMIT_ALTERTABLE


/*
** This function is used by SQL generated to implement the 
** ALTER TABLE command. The first argument is the text of a CREATE TABLE or
** CREATE INDEX command. The second is a table name. The table name in 
** the CREATE TABLE or CREATE INDEX statement is replaced with the second
** argument and the result returned. Examples:
**
** sqlite_rename_table('CREATE TABLE abc(a, b, c)', 'def')
**     -> 'CREATE TABLE def(a, b, c)'
**
** sqlite_rename_table('CREATE INDEX i ON abc(a)', 'def')
**     -> 'CREATE INDEX i ON def(a, b, c)'
................................................................................
    zRet = sqlite3MPrintf("%.*s%Q%s", tname.z - zSql, zSql, 
       zTableName, tname.z+tname.n);
    sqlite3_result_text(context, zRet, -1, sqlite3FreeX);
  }
}

#ifndef SQLITE_OMIT_TRIGGER
/* This function is used by SQL generated to implement the ALTER TABLE
** ALTER TABLE command. The first argument is the text of a CREATE TRIGGER 
** statement. The second is a table name. The table name in the CREATE 
** TRIGGER statement is replaced with the second argument and the result 
** returned. This is analagous to renameTableFunc() above, except for CREATE
** TRIGGER, not CREATE INDEX and CREATE TABLE.
*/
static void renameTriggerFunc(
  sqlite3_context *context,
  int argc,
  sqlite3_value **argv







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**    May you find forgiveness for yourself and forgive others.
**    May you share freely, never taking more than you give.
**
*************************************************************************
** This file contains C code routines that used to generate VDBE code
** that implements the ALTER TABLE command.
**
** $Id: alter.c,v 1.24 2006/10/12 21:34:20 rmsimpson Exp $
*/
#include "sqliteInt.h"
#include <ctype.h>

/*
** The code in this file only exists if we are not omitting the
** ALTER TABLE logic from the build.
................................................................................
#ifndef SQLITE_OMIT_ALTERTABLE


/*
** This function is used by SQL generated to implement the 
** ALTER TABLE command. The first argument is the text of a CREATE TABLE or
** CREATE INDEX command. The second is a table name. The table name in 
** the CREATE TABLE or CREATE INDEX statement is replaced with the third
** argument and the result returned. Examples:
**
** sqlite_rename_table('CREATE TABLE abc(a, b, c)', 'def')
**     -> 'CREATE TABLE def(a, b, c)'
**
** sqlite_rename_table('CREATE INDEX i ON abc(a)', 'def')
**     -> 'CREATE INDEX i ON def(a, b, c)'
................................................................................
    zRet = sqlite3MPrintf("%.*s%Q%s", tname.z - zSql, zSql, 
       zTableName, tname.z+tname.n);
    sqlite3_result_text(context, zRet, -1, sqlite3FreeX);
  }
}

#ifndef SQLITE_OMIT_TRIGGER
/* This function is used by SQL generated to implement the
** ALTER TABLE command. The first argument is the text of a CREATE TRIGGER 
** statement. The second is a table name. The table name in the CREATE 
** TRIGGER statement is replaced with the third argument and the result 
** returned. This is analagous to renameTableFunc() above, except for CREATE
** TRIGGER, not CREATE INDEX and CREATE TABLE.
*/
static void renameTriggerFunc(
  sqlite3_context *context,
  int argc,
  sqlite3_value **argv

Changes to SQLite.Interop/src/analyze.c.

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**    May you do good and not evil.
**    May you find forgiveness for yourself and forgive others.
**    May you share freely, never taking more than you give.
**
*************************************************************************
** This file contains code associated with the ANALYZE command.
**
** @(#) $Id: analyze.c,v 1.16 2006/08/13 15:55:00 rmsimpson Exp $
*/
#ifndef SQLITE_OMIT_ANALYZE
#include "sqliteInt.h"

/*
** This routine generates code that opens the sqlite_stat1 table on cursor
** iStatCur.







|







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**    May you do good and not evil.
**    May you find forgiveness for yourself and forgive others.
**    May you share freely, never taking more than you give.
**
*************************************************************************
** This file contains code associated with the ANALYZE command.
**
** @(#) $Id: analyze.c,v 1.17 2006/10/12 21:34:20 rmsimpson Exp $
*/
#ifndef SQLITE_OMIT_ANALYZE
#include "sqliteInt.h"

/*
** This routine generates code that opens the sqlite_stat1 table on cursor
** iStatCur.

Changes to SQLite.Interop/src/attach.c.

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**    May you do good and not evil.
**    May you find forgiveness for yourself and forgive others.
**    May you share freely, never taking more than you give.
**
*************************************************************************
** This file contains code used to implement the ATTACH and DETACH commands.
**
** $Id: attach.c,v 1.22 2006/08/13 15:55:00 rmsimpson Exp $
*/
#include "sqliteInt.h"

/*
** Resolve an expression that was part of an ATTACH or DETACH statement. This
** is slightly different from resolving a normal SQL expression, because simple
** identifiers are treated as strings, not possible column names or aliases.







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**    May you do good and not evil.
**    May you find forgiveness for yourself and forgive others.
**    May you share freely, never taking more than you give.
**
*************************************************************************
** This file contains code used to implement the ATTACH and DETACH commands.
**
** $Id: attach.c,v 1.23 2006/10/12 21:34:20 rmsimpson Exp $
*/
#include "sqliteInt.h"

/*
** Resolve an expression that was part of an ATTACH or DETACH statement. This
** is slightly different from resolving a normal SQL expression, because simple
** identifiers are treated as strings, not possible column names or aliases.

Changes to SQLite.Interop/src/auth.c.

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**
*************************************************************************
** This file contains code used to implement the sqlite3_set_authorizer()
** API.  This facility is an optional feature of the library.  Embedded
** systems that do not need this facility may omit it by recompiling
** the library with -DSQLITE_OMIT_AUTHORIZATION=1
**
** $Id: auth.c,v 1.22 2006/08/13 15:55:00 rmsimpson Exp $
*/
#include "sqliteInt.h"

/*
** All of the code in this file may be omitted by defining a single
** macro.
*/







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**
*************************************************************************
** This file contains code used to implement the sqlite3_set_authorizer()
** API.  This facility is an optional feature of the library.  Embedded
** systems that do not need this facility may omit it by recompiling
** the library with -DSQLITE_OMIT_AUTHORIZATION=1
**
** $Id: auth.c,v 1.23 2006/10/12 21:34:20 rmsimpson Exp $
*/
#include "sqliteInt.h"

/*
** All of the code in this file may be omitted by defining a single
** macro.
*/

Changes to SQLite.Interop/src/btree.c.

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** a legal notice, here is a blessing:
**
**    May you do good and not evil.
**    May you find forgiveness for yourself and forgive others.
**    May you share freely, never taking more than you give.
**
*************************************************************************
** $Id: btree.c,v 1.25 2006/08/13 15:55:00 rmsimpson Exp $
**
** This file implements a external (disk-based) database using BTrees.
** For a detailed discussion of BTrees, refer to
**
**     Donald E. Knuth, THE ART OF COMPUTER PROGRAMMING, Volume 3:
**     "Sorting And Searching", pages 473-480. Addison-Wesley
**     Publishing Company, Reading, Massachusetts.
................................................................................
  void *pArg;               /* First arg to xCompare() */
  Pgno pgnoRoot;            /* The root page of this tree */
  MemPage *pPage;           /* Page that contains the entry */
  int idx;                  /* Index of the entry in pPage->aCell[] */
  CellInfo info;            /* A parse of the cell we are pointing at */
  u8 wrFlag;                /* True if writable */
  u8 eState;                /* One of the CURSOR_XXX constants (see below) */
#ifndef SQLITE_OMIT_SHARED_CACHE
  void *pKey;      /* Saved key that was cursor's last known position */
  i64 nKey;        /* Size of pKey, or last integer key */
  int skip;        /* (skip<0) -> Prev() is a no-op. (skip>0) -> Next() is */
#endif
};

/*
** Potential values for BtCursor.eState. The first two values (VALID and 
** INVALID) may occur in any build. The third (REQUIRESEEK) may only occur 
** if sqlite was compiled without the OMIT_SHARED_CACHE symbol defined.
**
** CURSOR_VALID:
**   Cursor points to a valid entry. getPayload() etc. may be called.
**
** CURSOR_INVALID:
**   Cursor does not point to a valid entry. This can happen (for example) 
**   because the table is empty or because BtreeCursorFirst() has not been
................................................................................
#else
# define TRACE(X)
#endif

/*
** Forward declaration
*/
static int checkReadLocks(BtShared*,Pgno,BtCursor*);

/*
** Read or write a two- and four-byte big-endian integer values.
*/
static u32 get2byte(unsigned char *p){
  return (p[0]<<8) | p[1];
}
................................................................................
  ** shared-cache feature disabled, then there is only ever one user
  ** of each BtShared structure and so this locking is not necessary. 
  ** So define the lock related functions as no-ops.
  */
  #define queryTableLock(a,b,c) SQLITE_OK
  #define lockTable(a,b,c) SQLITE_OK
  #define unlockAllTables(a)
  #define restoreOrClearCursorPosition(a,b) SQLITE_OK
  #define saveAllCursors(a,b,c) SQLITE_OK

#else

static void releasePage(MemPage *pPage);

/*
** Save the current cursor position in the variables BtCursor.nKey 
** and BtCursor.pKey. The cursor's state is set to CURSOR_REQUIRESEEK.
*/
static int saveCursorPosition(BtCursor *pCur){
  int rc;

  assert( CURSOR_VALID==pCur->eState );
  assert( 0==pCur->pKey );

  rc = sqlite3BtreeKeySize(pCur, &pCur->nKey);

  /* If this is an intKey table, then the above call to BtreeKeySize()
  ** stores the integer key in pCur->nKey. In this case this value is
  ** all that is required. Otherwise, if pCur is not open on an intKey
  ** table, then malloc space for and store the pCur->nKey bytes of key 
  ** data.
  */
  if( rc==SQLITE_OK && 0==pCur->pPage->intKey){
    void *pKey = sqliteMalloc(pCur->nKey);
    if( pKey ){
      rc = sqlite3BtreeKey(pCur, 0, pCur->nKey, pKey);
      if( rc==SQLITE_OK ){
        pCur->pKey = pKey;
      }else{
        sqliteFree(pKey);
      }
    }else{
      rc = SQLITE_NOMEM;
    }
  }
  assert( !pCur->pPage->intKey || !pCur->pKey );

  if( rc==SQLITE_OK ){
    releasePage(pCur->pPage);
    pCur->pPage = 0;
    pCur->eState = CURSOR_REQUIRESEEK;
  }

  return rc;
}

/*
** Save the positions of all cursors except pExcept open on the table 
** with root-page iRoot. Usually, this is called just before cursor
** pExcept is used to modify the table (BtreeDelete() or BtreeInsert()).
*/
static int saveAllCursors(BtShared *pBt, Pgno iRoot, BtCursor *pExcept){
  BtCursor *p;
  if( sqlite3ThreadDataReadOnly()->useSharedData ){
    for(p=pBt->pCursor; p; p=p->pNext){
      if( p!=pExcept && (0==iRoot || p->pgnoRoot==iRoot) && 
          p->eState==CURSOR_VALID ){
        int rc = saveCursorPosition(p);
        if( SQLITE_OK!=rc ){
          return rc;
        }
      }
    }
  }
  return SQLITE_OK;
}

/*
** Restore the cursor to the position it was in (or as close to as possible)
** when saveCursorPosition() was called. Note that this call deletes the 
** saved position info stored by saveCursorPosition(), so there can be
** at most one effective restoreOrClearCursorPosition() call after each 
** saveCursorPosition().
**
** If the second argument argument - doSeek - is false, then instead of 
** returning the cursor to it's saved position, any saved position is deleted
** and the cursor state set to CURSOR_INVALID.
*/
static int restoreOrClearCursorPositionX(BtCursor *pCur, int doSeek){
  int rc = SQLITE_OK;
  assert( sqlite3ThreadDataReadOnly()->useSharedData );
  assert( pCur->eState==CURSOR_REQUIRESEEK );
  pCur->eState = CURSOR_INVALID;
  if( doSeek ){
    rc = sqlite3BtreeMoveto(pCur, pCur->pKey, pCur->nKey, &pCur->skip);
  }
  if( rc==SQLITE_OK ){
    sqliteFree(pCur->pKey);
    pCur->pKey = 0;
    assert( CURSOR_VALID==pCur->eState || CURSOR_INVALID==pCur->eState );
  }
  return rc;
}

#define restoreOrClearCursorPosition(p,x) \
  (p->eState==CURSOR_REQUIRESEEK?restoreOrClearCursorPositionX(p,x):SQLITE_OK)

/*
** Query to see if btree handle p may obtain a lock of type eLock 
** (READ_LOCK or WRITE_LOCK) on the table with root-page iTab. Return
** SQLITE_OK if the lock may be obtained (by calling lockTable()), or
** SQLITE_LOCKED if not.
*/
................................................................................
    }else{
      ppIter = &pLock->pNext;
    }
  }
}
#endif /* SQLITE_OMIT_SHARED_CACHE */





























































































#ifndef SQLITE_OMIT_AUTOVACUUM
/*
** These macros define the location of the pointer-map entry for a 
** database page. The first argument to each is the number of usable
** bytes on each page of the database (often 1024). The second is the
** page number to look up in the pointer map.
**
................................................................................
  /* Set the variable isMemdb to true for an in-memory database, or 
  ** false for a file-based database. This symbol is only required if
  ** either of the shared-data or autovacuum features are compiled 
  ** into the library.
  */
#if !defined(SQLITE_OMIT_SHARED_CACHE) || !defined(SQLITE_OMIT_AUTOVACUUM)
  #ifdef SQLITE_OMIT_MEMORYDB
  const int isMemdb = !zFilename;
  #else
  const int isMemdb = !zFilename || (strcmp(zFilename, ":memory:")?0:1);
  #endif
#endif

  p = sqliteMalloc(sizeof(Btree));
  if( !p ){
    return SQLITE_NOMEM;
  }
................................................................................
  for(pCur=pBt->pCursor; pCur; pCur=pCur->pNext){
    if( pCur->wrFlag ) r++; 
  }
  return r;
}
#endif

#if defined(SQLITE_TEST) && defined(SQLITE_DEBUG)
/*
** Print debugging information about all cursors to standard output.
*/
void sqlite3BtreeCursorList(Btree *p){
  BtCursor *pCur;
  BtShared *pBt = p->pBt;
  for(pCur=pBt->pCursor; pCur; pCur=pCur->pNext){
................................................................................
  BtShared *pBt = p->pBt;

  *ppCur = 0;
  if( wrFlag ){
    if( pBt->readOnly ){
      return SQLITE_READONLY;
    }
    if( checkReadLocks(pBt, iTable, 0) ){
      return SQLITE_LOCKED;
    }
  }

  if( pBt->pPage1==0 ){
    rc = lockBtreeWithRetry(p);
    if( rc!=SQLITE_OK ){
................................................................................
    }
  }
  return rc;
}

/*
** This routine checks all cursors that point to table pgnoRoot.
** If any of those cursors other than pExclude were opened with 
** wrFlag==0 then this routine returns SQLITE_LOCKED.  If all
** cursors that point to pgnoRoot were opened with wrFlag==1
** then this routine returns SQLITE_OK.

**
** In addition to checking for read-locks (where a read-lock 
** means a cursor opened with wrFlag==0) this routine also moves
** all cursors other than pExclude so that they are pointing to the 
** first Cell on root page.  This is necessary because an insert 
** or delete might change the number of cells on a page or delete
** a page entirely and we do not want to leave any cursors 
** pointing to non-existant pages or cells.
*/
static int checkReadLocks(BtShared *pBt, Pgno pgnoRoot, BtCursor *pExclude){
  BtCursor *p;


  for(p=pBt->pCursor; p; p=p->pNext){
    u32 flags = (p->pBtree->pSqlite ? p->pBtree->pSqlite->flags : 0);
    if( p->pgnoRoot!=pgnoRoot || p==pExclude ) continue;


    if( p->wrFlag==0 && flags&SQLITE_ReadUncommitted ) continue;



    if( p->wrFlag==0 ) return SQLITE_LOCKED;

    if( p->pPage->pgno!=p->pgnoRoot ){
      moveToRoot(p);
    }
  }
  return SQLITE_OK;
}

/*
................................................................................
    /* Must start a transaction before doing an insert */
    return pBt->readOnly ? SQLITE_READONLY : SQLITE_ERROR;
  }
  assert( !pBt->readOnly );
  if( !pCur->wrFlag ){
    return SQLITE_PERM;   /* Cursor not open for writing */
  }
  if( checkReadLocks(pBt, pCur->pgnoRoot, pCur) ){
    return SQLITE_LOCKED; /* The table pCur points to has a read lock */
  }

  /* Save the positions of any other cursors open on this table */
  restoreOrClearCursorPosition(pCur, 0);
  if( 
    SQLITE_OK!=(rc = saveAllCursors(pBt, pCur->pgnoRoot, pCur)) ||
................................................................................
  assert( !pBt->readOnly );
  if( pCur->idx >= pPage->nCell ){
    return SQLITE_ERROR;  /* The cursor is not pointing to anything */
  }
  if( !pCur->wrFlag ){
    return SQLITE_PERM;   /* Did not open this cursor for writing */
  }
  if( checkReadLocks(pBt, pCur->pgnoRoot, pCur) ){
    return SQLITE_LOCKED; /* The table pCur points to has a read lock */
  }

  /* Restore the current cursor position (a no-op if the cursor is not in 
  ** CURSOR_REQUIRESEEK state) and save the positions of any other cursors 
  ** open on the same table. Then call sqlite3pager_write() on the page
  ** that the entry will be deleted from.
................................................................................
**
** This routine will fail with SQLITE_LOCKED if there are any open
** read cursors on the table.  Open write cursors are moved to the
** root of the table.
*/
int sqlite3BtreeClearTable(Btree *p, int iTable){
  int rc;
  BtCursor *pCur;
  BtShared *pBt = p->pBt;
  sqlite3 *db = p->pSqlite;
  if( p->inTrans!=TRANS_WRITE ){
    return pBt->readOnly ? SQLITE_READONLY : SQLITE_ERROR;
  }


  /* If this connection is not in read-uncommitted mode and currently has
  ** a read-cursor open on the table being cleared, return SQLITE_LOCKED.
  */
  if( 0==db || 0==(db->flags&SQLITE_ReadUncommitted) ){
    for(pCur=pBt->pCursor; pCur; pCur=pCur->pNext){
      if( pCur->pBtree==p && pCur->pgnoRoot==(Pgno)iTable ){
        if( 0==pCur->wrFlag ){
          return SQLITE_LOCKED;
        }
        moveToRoot(pCur);
      }
    }
  }

  /* Save the position of all cursors open on this table */
  if( SQLITE_OK!=(rc = saveAllCursors(pBt, iTable, 0)) ){
    return rc;
  }

................................................................................
  return SQLITE_OK;
}
int sqlite3BtreePageDump(Btree *p, int pgno, int recursive){
  return btreePageDump(p->pBt, pgno, recursive, 0);
}
#endif

#if defined(SQLITE_TEST) && defined(SQLITE_DEBUG)
/*
** Fill aResult[] with information about the entry and page that the
** cursor is pointing to.
** 
**   aResult[0] =  The page number
**   aResult[1] =  The entry number
**   aResult[2] =  Total number of entries on this page







|







 







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742
743
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747
....
1578
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5202
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5626
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5640
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5966
** a legal notice, here is a blessing:
**
**    May you do good and not evil.
**    May you find forgiveness for yourself and forgive others.
**    May you share freely, never taking more than you give.
**
*************************************************************************
** $Id: btree.c,v 1.26 2006/10/12 21:34:20 rmsimpson Exp $
**
** This file implements a external (disk-based) database using BTrees.
** For a detailed discussion of BTrees, refer to
**
**     Donald E. Knuth, THE ART OF COMPUTER PROGRAMMING, Volume 3:
**     "Sorting And Searching", pages 473-480. Addison-Wesley
**     Publishing Company, Reading, Massachusetts.
................................................................................
  void *pArg;               /* First arg to xCompare() */
  Pgno pgnoRoot;            /* The root page of this tree */
  MemPage *pPage;           /* Page that contains the entry */
  int idx;                  /* Index of the entry in pPage->aCell[] */
  CellInfo info;            /* A parse of the cell we are pointing at */
  u8 wrFlag;                /* True if writable */
  u8 eState;                /* One of the CURSOR_XXX constants (see below) */

  void *pKey;      /* Saved key that was cursor's last known position */
  i64 nKey;        /* Size of pKey, or last integer key */
  int skip;        /* (skip<0) -> Prev() is a no-op. (skip>0) -> Next() is */

};

/*
** Potential values for BtCursor.eState.


**
** CURSOR_VALID:
**   Cursor points to a valid entry. getPayload() etc. may be called.
**
** CURSOR_INVALID:
**   Cursor does not point to a valid entry. This can happen (for example) 
**   because the table is empty or because BtreeCursorFirst() has not been
................................................................................
#else
# define TRACE(X)
#endif

/*
** Forward declaration
*/
static int checkReadLocks(Btree*,Pgno,BtCursor*);

/*
** Read or write a two- and four-byte big-endian integer values.
*/
static u32 get2byte(unsigned char *p){
  return (p[0]<<8) | p[1];
}
................................................................................
  ** shared-cache feature disabled, then there is only ever one user
  ** of each BtShared structure and so this locking is not necessary. 
  ** So define the lock related functions as no-ops.
  */
  #define queryTableLock(a,b,c) SQLITE_OK
  #define lockTable(a,b,c) SQLITE_OK
  #define unlockAllTables(a)



#else
































































































/*
** Query to see if btree handle p may obtain a lock of type eLock 
** (READ_LOCK or WRITE_LOCK) on the table with root-page iTab. Return
** SQLITE_OK if the lock may be obtained (by calling lockTable()), or
** SQLITE_LOCKED if not.
*/
................................................................................
    }else{
      ppIter = &pLock->pNext;
    }
  }
}
#endif /* SQLITE_OMIT_SHARED_CACHE */

static void releasePage(MemPage *pPage);  /* Forward reference */

/*
** Save the current cursor position in the variables BtCursor.nKey 
** and BtCursor.pKey. The cursor's state is set to CURSOR_REQUIRESEEK.
*/
static int saveCursorPosition(BtCursor *pCur){
  int rc;

  assert( CURSOR_VALID==pCur->eState );
  assert( 0==pCur->pKey );

  rc = sqlite3BtreeKeySize(pCur, &pCur->nKey);

  /* If this is an intKey table, then the above call to BtreeKeySize()
  ** stores the integer key in pCur->nKey. In this case this value is
  ** all that is required. Otherwise, if pCur is not open on an intKey
  ** table, then malloc space for and store the pCur->nKey bytes of key 
  ** data.
  */
  if( rc==SQLITE_OK && 0==pCur->pPage->intKey){
    void *pKey = sqliteMalloc(pCur->nKey);
    if( pKey ){
      rc = sqlite3BtreeKey(pCur, 0, pCur->nKey, pKey);
      if( rc==SQLITE_OK ){
        pCur->pKey = pKey;
      }else{
        sqliteFree(pKey);
      }
    }else{
      rc = SQLITE_NOMEM;
    }
  }
  assert( !pCur->pPage->intKey || !pCur->pKey );

  if( rc==SQLITE_OK ){
    releasePage(pCur->pPage);
    pCur->pPage = 0;
    pCur->eState = CURSOR_REQUIRESEEK;
  }

  return rc;
}

/*
** Save the positions of all cursors except pExcept open on the table 
** with root-page iRoot. Usually, this is called just before cursor
** pExcept is used to modify the table (BtreeDelete() or BtreeInsert()).
*/
static int saveAllCursors(BtShared *pBt, Pgno iRoot, BtCursor *pExcept){
  BtCursor *p;
  for(p=pBt->pCursor; p; p=p->pNext){
    if( p!=pExcept && (0==iRoot || p->pgnoRoot==iRoot) && 
        p->eState==CURSOR_VALID ){
      int rc = saveCursorPosition(p);
      if( SQLITE_OK!=rc ){
        return rc;
      }
    }
  }
  return SQLITE_OK;
}

/*
** Restore the cursor to the position it was in (or as close to as possible)
** when saveCursorPosition() was called. Note that this call deletes the 
** saved position info stored by saveCursorPosition(), so there can be
** at most one effective restoreOrClearCursorPosition() call after each 
** saveCursorPosition().
**
** If the second argument argument - doSeek - is false, then instead of 
** returning the cursor to it's saved position, any saved position is deleted
** and the cursor state set to CURSOR_INVALID.
*/
static int restoreOrClearCursorPositionX(BtCursor *pCur, int doSeek){
  int rc = SQLITE_OK;
  assert( pCur->eState==CURSOR_REQUIRESEEK );
  pCur->eState = CURSOR_INVALID;
  if( doSeek ){
    rc = sqlite3BtreeMoveto(pCur, pCur->pKey, pCur->nKey, &pCur->skip);
  }
  if( rc==SQLITE_OK ){
    sqliteFree(pCur->pKey);
    pCur->pKey = 0;
    assert( CURSOR_VALID==pCur->eState || CURSOR_INVALID==pCur->eState );
  }
  return rc;
}

#define restoreOrClearCursorPosition(p,x) \
  (p->eState==CURSOR_REQUIRESEEK?restoreOrClearCursorPositionX(p,x):SQLITE_OK)

#ifndef SQLITE_OMIT_AUTOVACUUM
/*
** These macros define the location of the pointer-map entry for a 
** database page. The first argument to each is the number of usable
** bytes on each page of the database (often 1024). The second is the
** page number to look up in the pointer map.
**
................................................................................
  /* Set the variable isMemdb to true for an in-memory database, or 
  ** false for a file-based database. This symbol is only required if
  ** either of the shared-data or autovacuum features are compiled 
  ** into the library.
  */
#if !defined(SQLITE_OMIT_SHARED_CACHE) || !defined(SQLITE_OMIT_AUTOVACUUM)
  #ifdef SQLITE_OMIT_MEMORYDB
    const int isMemdb = 0;
  #else
    const int isMemdb = zFilename && !strcmp(zFilename, ":memory:");
  #endif
#endif

  p = sqliteMalloc(sizeof(Btree));
  if( !p ){
    return SQLITE_NOMEM;
  }
................................................................................
  for(pCur=pBt->pCursor; pCur; pCur=pCur->pNext){
    if( pCur->wrFlag ) r++; 
  }
  return r;
}
#endif

#if defined(SQLITE_TEST) || defined(SQLITE_DEBUG)
/*
** Print debugging information about all cursors to standard output.
*/
void sqlite3BtreeCursorList(Btree *p){
  BtCursor *pCur;
  BtShared *pBt = p->pBt;
  for(pCur=pBt->pCursor; pCur; pCur=pCur->pNext){
................................................................................
  BtShared *pBt = p->pBt;

  *ppCur = 0;
  if( wrFlag ){
    if( pBt->readOnly ){
      return SQLITE_READONLY;
    }
    if( checkReadLocks(p, iTable, 0) ){
      return SQLITE_LOCKED;
    }
  }

  if( pBt->pPage1==0 ){
    rc = lockBtreeWithRetry(p);
    if( rc!=SQLITE_OK ){
................................................................................
    }
  }
  return rc;
}

/*
** This routine checks all cursors that point to table pgnoRoot.
** If any of those cursors were opened with wrFlag==0 in a different
** database connection (a database connection that shares the pager
** cache with the current connection) and that other connection 
** is not in the ReadUncommmitted state, then this routine returns 
** SQLITE_LOCKED.
**
** In addition to checking for read-locks (where a read-lock 
** means a cursor opened with wrFlag==0) this routine also moves
** all cursors write cursors so that they are pointing to the 
** first Cell on the root page.  This is necessary because an insert 
** or delete might change the number of cells on a page or delete
** a page entirely and we do not want to leave any cursors 
** pointing to non-existant pages or cells.
*/
static int checkReadLocks(Btree *pBtree, Pgno pgnoRoot, BtCursor *pExclude){
  BtCursor *p;
  BtShared *pBt = pBtree->pBt;
  sqlite3 *db = pBtree->pSqlite;
  for(p=pBt->pCursor; p; p=p->pNext){

    if( p==pExclude ) continue;
    if( p->eState!=CURSOR_VALID ) continue;
    if( p->pgnoRoot!=pgnoRoot ) continue;
    if( p->wrFlag==0 ){
      sqlite3 *dbOther = p->pBtree->pSqlite;
      if( dbOther==0 ||
         (dbOther!=db && (dbOther->flags & SQLITE_ReadUncommitted)==0) ){
        return SQLITE_LOCKED;
      }
    }else if( p->pPage->pgno!=p->pgnoRoot ){
      moveToRoot(p);
    }
  }
  return SQLITE_OK;
}

/*
................................................................................
    /* Must start a transaction before doing an insert */
    return pBt->readOnly ? SQLITE_READONLY : SQLITE_ERROR;
  }
  assert( !pBt->readOnly );
  if( !pCur->wrFlag ){
    return SQLITE_PERM;   /* Cursor not open for writing */
  }
  if( checkReadLocks(pCur->pBtree, pCur->pgnoRoot, pCur) ){
    return SQLITE_LOCKED; /* The table pCur points to has a read lock */
  }

  /* Save the positions of any other cursors open on this table */
  restoreOrClearCursorPosition(pCur, 0);
  if( 
    SQLITE_OK!=(rc = saveAllCursors(pBt, pCur->pgnoRoot, pCur)) ||
................................................................................
  assert( !pBt->readOnly );
  if( pCur->idx >= pPage->nCell ){
    return SQLITE_ERROR;  /* The cursor is not pointing to anything */
  }
  if( !pCur->wrFlag ){
    return SQLITE_PERM;   /* Did not open this cursor for writing */
  }
  if( checkReadLocks(pCur->pBtree, pCur->pgnoRoot, pCur) ){
    return SQLITE_LOCKED; /* The table pCur points to has a read lock */
  }

  /* Restore the current cursor position (a no-op if the cursor is not in 
  ** CURSOR_REQUIRESEEK state) and save the positions of any other cursors 
  ** open on the same table. Then call sqlite3pager_write() on the page
  ** that the entry will be deleted from.
................................................................................
**
** This routine will fail with SQLITE_LOCKED if there are any open
** read cursors on the table.  Open write cursors are moved to the
** root of the table.
*/
int sqlite3BtreeClearTable(Btree *p, int iTable){
  int rc;

  BtShared *pBt = p->pBt;

  if( p->inTrans!=TRANS_WRITE ){
    return pBt->readOnly ? SQLITE_READONLY : SQLITE_ERROR;
  }

  rc = checkReadLocks(p, iTable, 0);
  if( rc ){






    return rc;




  }

  /* Save the position of all cursors open on this table */
  if( SQLITE_OK!=(rc = saveAllCursors(pBt, iTable, 0)) ){
    return rc;
  }

................................................................................
  return SQLITE_OK;
}
int sqlite3BtreePageDump(Btree *p, int pgno, int recursive){
  return btreePageDump(p->pBt, pgno, recursive, 0);
}
#endif

#if defined(SQLITE_TEST) || defined(SQLITE_DEBUG)
/*
** Fill aResult[] with information about the entry and page that the
** cursor is pointing to.
** 
**   aResult[0] =  The page number
**   aResult[1] =  The entry number
**   aResult[2] =  Total number of entries on this page

Changes to SQLite.Interop/src/btree.h.

9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
**    May you share freely, never taking more than you give.
**
*************************************************************************
** This header file defines the interface that the sqlite B-Tree file
** subsystem.  See comments in the source code for a detailed description
** of what each interface routine does.
**
** @(#) $Id: btree.h,v 1.23 2006/08/13 15:55:00 rmsimpson Exp $
*/
#ifndef _BTREE_H_
#define _BTREE_H_

/* TODO: This definition is just included so other modules compile. It
** needs to be revisited.
*/







|







9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
**    May you share freely, never taking more than you give.
**
*************************************************************************
** This header file defines the interface that the sqlite B-Tree file
** subsystem.  See comments in the source code for a detailed description
** of what each interface routine does.
**
** @(#) $Id: btree.h,v 1.24 2006/10/12 21:34:21 rmsimpson Exp $
*/
#ifndef _BTREE_H_
#define _BTREE_H_

/* TODO: This definition is just included so other modules compile. It
** needs to be revisited.
*/

Changes to SQLite.Interop/src/build.c.

18
19
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21
22
23
24
25
26
27
28
29
30
31
32
....
1073
1074
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1076
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1079

1080
1081



1082
1083
1084
1085
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1087
1088
....
1582
1583
1584
1585
1586
1587
1588
1589

1590
1591
1592
1593
1594
1595
1596
....
1597
1598
1599
1600
1601
1602
1603
1604
1605
1606
1607
1608
1609
1610
1611
**     CREATE INDEX
**     DROP INDEX
**     creating ID lists
**     BEGIN TRANSACTION
**     COMMIT
**     ROLLBACK
**
** $Id: build.c,v 1.23 2006/08/13 15:55:00 rmsimpson Exp $
*/
#include "sqliteInt.h"
#include <ctype.h>

/*
** This routine is called when a new SQL statement is beginning to
** be parsed.  Initialize the pParse structure as needed.
................................................................................
  Column *pCol;
  if( (p = pParse->pNewTable)!=0 ){
    pCol = &(p->aCol[p->nCol-1]);
    if( !sqlite3ExprIsConstantOrFunction(pExpr) ){
      sqlite3ErrorMsg(pParse, "default value of column [%s] is not constant",
          pCol->zName);
    }else{

      sqlite3ExprDelete(pCol->pDflt);
      pCol->pDflt = sqlite3ExprDup(pExpr);



    }
  }
  sqlite3ExprDelete(pExpr);
}

/*
** Designate the PRIMARY KEY for the table.  pList is a list of names 
................................................................................
*/
void sqlite3CreateView(
  Parse *pParse,     /* The parsing context */
  Token *pBegin,     /* The CREATE token that begins the statement */
  Token *pName1,     /* The token that holds the name of the view */
  Token *pName2,     /* The token that holds the name of the view */
  Select *pSelect,   /* A SELECT statement that will become the new view */
  int isTemp         /* TRUE for a TEMPORARY view */

){
  Table *p;
  int n;
  const unsigned char *z;
  Token sEnd;
  DbFixer sFix;
  Token *pName;
................................................................................
  int iDb;

  if( pParse->nVar>0 ){
    sqlite3ErrorMsg(pParse, "parameters are not allowed in views");
    sqlite3SelectDelete(pSelect);
    return;
  }
  sqlite3StartTable(pParse, pName1, pName2, isTemp, 1, 0, 0);
  p = pParse->pNewTable;
  if( p==0 || pParse->nErr ){
    sqlite3SelectDelete(pSelect);
    return;
  }
  sqlite3TwoPartName(pParse, pName1, pName2, &pName);
  iDb = sqlite3SchemaToIndex(pParse->db, p->pSchema);







|







 







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>
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>







 







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>







 







|







18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
....
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
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1586
1587
1588
1589
1590
1591
1592
1593
1594
1595
1596
1597
1598
1599
1600
1601
....
1602
1603
1604
1605
1606
1607
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1609
1610
1611
1612
1613
1614
1615
1616
**     CREATE INDEX
**     DROP INDEX
**     creating ID lists
**     BEGIN TRANSACTION
**     COMMIT
**     ROLLBACK
**
** $Id: build.c,v 1.24 2006/10/12 21:34:21 rmsimpson Exp $
*/
#include "sqliteInt.h"
#include <ctype.h>

/*
** This routine is called when a new SQL statement is beginning to
** be parsed.  Initialize the pParse structure as needed.
................................................................................
  Column *pCol;
  if( (p = pParse->pNewTable)!=0 ){
    pCol = &(p->aCol[p->nCol-1]);
    if( !sqlite3ExprIsConstantOrFunction(pExpr) ){
      sqlite3ErrorMsg(pParse, "default value of column [%s] is not constant",
          pCol->zName);
    }else{
      Expr *pCopy;
      sqlite3ExprDelete(pCol->pDflt);
      pCol->pDflt = pCopy = sqlite3ExprDup(pExpr);
      if( pCopy ){
        sqlite3TokenCopy(&pCopy->span, &pExpr->span);
      }
    }
  }
  sqlite3ExprDelete(pExpr);
}

/*
** Designate the PRIMARY KEY for the table.  pList is a list of names 
................................................................................
*/
void sqlite3CreateView(
  Parse *pParse,     /* The parsing context */
  Token *pBegin,     /* The CREATE token that begins the statement */
  Token *pName1,     /* The token that holds the name of the view */
  Token *pName2,     /* The token that holds the name of the view */
  Select *pSelect,   /* A SELECT statement that will become the new view */
  int isTemp,        /* TRUE for a TEMPORARY view */
  int noErr          /* Suppress error messages if VIEW already exists */
){
  Table *p;
  int n;
  const unsigned char *z;
  Token sEnd;
  DbFixer sFix;
  Token *pName;
................................................................................
  int iDb;

  if( pParse->nVar>0 ){
    sqlite3ErrorMsg(pParse, "parameters are not allowed in views");
    sqlite3SelectDelete(pSelect);
    return;
  }
  sqlite3StartTable(pParse, pName1, pName2, isTemp, 1, 0, noErr);
  p = pParse->pNewTable;
  if( p==0 || pParse->nErr ){
    sqlite3SelectDelete(pSelect);
    return;
  }
  sqlite3TwoPartName(pParse, pName1, pName2, &pName);
  iDb = sqlite3SchemaToIndex(pParse->db, p->pSchema);

Changes to SQLite.Interop/src/callback.c.

9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
**    May you share freely, never taking more than you give.
**
*************************************************************************
**
** This file contains functions used to access the internal hash tables
** of user defined functions and collation sequences.
**
** $Id: callback.c,v 1.18 2006/08/13 15:55:01 rmsimpson Exp $
*/

#include "sqliteInt.h"

/*
** Invoke the 'collation needed' callback to request a collation sequence
** in the database text encoding of name zName, length nName.







|







9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
**    May you share freely, never taking more than you give.
**
*************************************************************************
**
** This file contains functions used to access the internal hash tables
** of user defined functions and collation sequences.
**
** $Id: callback.c,v 1.19 2006/10/12 21:34:21 rmsimpson Exp $
*/

#include "sqliteInt.h"

/*
** Invoke the 'collation needed' callback to request a collation sequence
** in the database text encoding of name zName, length nName.

Changes to SQLite.Interop/src/complete.c.

12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
** An tokenizer for SQL
**
** This file contains C code that implements the sqlite3_complete() API.
** This code used to be part of the tokenizer.c source file.  But by
** separating it out, the code will be automatically omitted from
** static links that do not use it.
**
** $Id: complete.c,v 1.16 2006/08/13 15:55:01 rmsimpson Exp $
*/
#include "sqliteInt.h"
#ifndef SQLITE_OMIT_COMPLETE

/*
** This is defined in tokenize.c.  We just have to import the definition.
*/







|







12
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14
15
16
17
18
19
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21
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23
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** An tokenizer for SQL
**
** This file contains C code that implements the sqlite3_complete() API.
** This code used to be part of the tokenizer.c source file.  But by
** separating it out, the code will be automatically omitted from
** static links that do not use it.
**
** $Id: complete.c,v 1.17 2006/10/12 21:34:21 rmsimpson Exp $
*/
#include "sqliteInt.h"
#ifndef SQLITE_OMIT_COMPLETE

/*
** This is defined in tokenize.c.  We just have to import the definition.
*/

Changes to SQLite.Interop/src/date.c.

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423
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...
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946









947

948
949


950
951
952
953
954
955
956
** This file contains the C functions that implement date and time
** functions for SQLite.  
**
** There is only one exported symbol in this file - the function
** sqlite3RegisterDateTimeFunctions() found at the bottom of the file.
** All other code has file scope.
**
** $Id: date.c,v 1.24 2006/08/13 15:55:01 rmsimpson Exp $
**
** NOTES:
**
** SQLite processes all times and dates as Julian Day numbers.  The
** dates and times are stored as the number of days since noon
** in Greenwich on November 24, 4714 B.C. according to the Gregorian
** calendar system.
**
** 1970-01-01 00:00:00 is JD 2440587.5
** 2000-01-01 00:00:00 is JD 2451544.5
**
** This implemention requires years to be expressed as a 4-digit number
** which means that only dates between 0000-01-01 and 9999-12-31 can
** be represented, even though julian day numbers allow a much wider
................................................................................
  }
  A = Y/100;
  B = 2 - A + (A/4);
  X1 = 365.25*(Y+4716);
  X2 = 30.6001*(M+1);
  p->rJD = X1 + X2 + D + B - 1524.5;
  p->validJD = 1;
  p->validYMD = 0;
  if( p->validHMS ){
    p->rJD += (p->h*3600.0 + p->m*60.0 + p->s)/86400.0;
    if( p->validTZ ){
      p->rJD -= p->tz*60/86400.0;

      p->validHMS = 0;
      p->validTZ = 0;
    }
  }
}

/*
................................................................................

/*
** Compute the Hour, Minute, and Seconds from the julian day number.
*/
static void computeHMS(DateTime *p){
  int Z, s;
  if( p->validHMS ) return;

  Z = p->rJD + 0.5;
  s = (p->rJD + 0.5 - Z)*86400000.0 + 0.5;
  p->s = 0.001*s;
  s = p->s;
  p->s -= s;
  p->h = s/3600;
  s -= p->h*3600;
................................................................................
/*
** Compute the difference (in days) between localtime and UTC (a.k.a. GMT)
** for the time value p where p is in UTC.
*/
static double localtimeOffset(DateTime *p){
  DateTime x, y;
  time_t t;
  struct tm *pTm;
  x = *p;
  computeYMD_HMS(&x);
  if( x.Y<1971 || x.Y>=2038 ){
    x.Y = 2000;
    x.M = 1;
    x.D = 1;
    x.h = 0;
................................................................................
    int s = x.s + 0.5;
    x.s = s;
  }
  x.tz = 0;
  x.validJD = 0;
  computeJD(&x);
  t = (x.rJD-2440587.5)*86400.0 + 0.5;














  sqlite3OsEnterMutex();
  pTm = localtime(&t);
  y.Y = pTm->tm_year + 1900;
  y.M = pTm->tm_mon + 1;
  y.D = pTm->tm_mday;
  y.h = pTm->tm_hour;
  y.m = pTm->tm_min;
  y.s = pTm->tm_sec;
  sqlite3OsLeaveMutex();


  y.validYMD = 1;
  y.validHMS = 1;
  y.validJD = 0;
  y.validTZ = 0;
  computeJD(&y);
  return y.rJD - x.rJD;
}
................................................................................
        computeJD(&tx);
        tx.rJD -= 0.5;
        day = (int)tx.rJD;
        tx.rJD -= day;
        if( z[0]=='-' ) tx.rJD = -tx.rJD;
        computeJD(p);
        clearYMD_HMS_TZ(p);
       p->rJD += tx.rJD;
        rc = 0;
        break;
      }
      z += n;
      while( isspace(*(u8*)z) ) z++;
      n = strlen(z);
      if( n>10 || n<3 ) break;
................................................................................
    if( zFmt[i]!='%' ){
      z[j++] = zFmt[i];
    }else{
      i++;
      switch( zFmt[i] ){
        case 'd':  sprintf(&z[j],"%02d",x.D); j+=2; break;
        case 'f': {
          int s = x.s;
          int ms = (x.s - s)*1000.0;
          sprintf(&z[j],"%02d.%03d",s,ms);
          j += strlen(&z[j]);
          break;
        }
        case 'H':  sprintf(&z[j],"%02d",x.h); j+=2; break;
        case 'W': /* Fall thru */
        case 'j': {
          int nDay;             /* Number of days since 1st day of year */
................................................................................
    extern int sqlite3_current_time;  /* See os_XXX.c */
    if( sqlite3_current_time ){
      t = sqlite3_current_time;
    }
  }
#endif










  sqlite3OsEnterMutex();

  strftime(zBuf, 20, zFormat, gmtime(&t));
  sqlite3OsLeaveMutex();



  sqlite3_result_text(context, zBuf, -1, SQLITE_TRANSIENT);
}
#endif

/*
** This function registered all of the above C functions as SQL







|






|







 







<




>







 







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397
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...
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...
593
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...
956
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969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
** This file contains the C functions that implement date and time
** functions for SQLite.  
**
** There is only one exported symbol in this file - the function
** sqlite3RegisterDateTimeFunctions() found at the bottom of the file.
** All other code has file scope.
**
** $Id: date.c,v 1.25 2006/10/12 21:34:21 rmsimpson Exp $
**
** NOTES:
**
** SQLite processes all times and dates as Julian Day numbers.  The
** dates and times are stored as the number of days since noon
** in Greenwich on November 24, 4714 B.C. according to the Gregorian
** calendar system. 
**
** 1970-01-01 00:00:00 is JD 2440587.5
** 2000-01-01 00:00:00 is JD 2451544.5
**
** This implemention requires years to be expressed as a 4-digit number
** which means that only dates between 0000-01-01 and 9999-12-31 can
** be represented, even though julian day numbers allow a much wider
................................................................................
  }
  A = Y/100;
  B = 2 - A + (A/4);
  X1 = 365.25*(Y+4716);
  X2 = 30.6001*(M+1);
  p->rJD = X1 + X2 + D + B - 1524.5;
  p->validJD = 1;

  if( p->validHMS ){
    p->rJD += (p->h*3600.0 + p->m*60.0 + p->s)/86400.0;
    if( p->validTZ ){
      p->rJD -= p->tz*60/86400.0;
      p->validYMD = 0;
      p->validHMS = 0;
      p->validTZ = 0;
    }
  }
}

/*
................................................................................

/*
** Compute the Hour, Minute, and Seconds from the julian day number.
*/
static void computeHMS(DateTime *p){
  int Z, s;
  if( p->validHMS ) return;
  computeJD(p);
  Z = p->rJD + 0.5;
  s = (p->rJD + 0.5 - Z)*86400000.0 + 0.5;
  p->s = 0.001*s;
  s = p->s;
  p->s -= s;
  p->h = s/3600;
  s -= p->h*3600;
................................................................................
/*
** Compute the difference (in days) between localtime and UTC (a.k.a. GMT)
** for the time value p where p is in UTC.
*/
static double localtimeOffset(DateTime *p){
  DateTime x, y;
  time_t t;

  x = *p;
  computeYMD_HMS(&x);
  if( x.Y<1971 || x.Y>=2038 ){
    x.Y = 2000;
    x.M = 1;
    x.D = 1;
    x.h = 0;
................................................................................
    int s = x.s + 0.5;
    x.s = s;
  }
  x.tz = 0;
  x.validJD = 0;
  computeJD(&x);
  t = (x.rJD-2440587.5)*86400.0 + 0.5;
#ifdef HAVE_LOCALTIME_R
  {
    struct tm sLocal;
    localtime_r(&t, &sLocal);
    y.Y = sLocal.tm_year + 1900;
    y.M = sLocal.tm_mon + 1;
    y.D = sLocal.tm_mday;
    y.h = sLocal.tm_hour;
    y.m = sLocal.tm_min;
    y.s = sLocal.tm_sec;
  }
#else
  {
    struct tm *pTm;
    sqlite3OsEnterMutex();
    pTm = localtime(&t);
    y.Y = pTm->tm_year + 1900;
    y.M = pTm->tm_mon + 1;
    y.D = pTm->tm_mday;
    y.h = pTm->tm_hour;
    y.m = pTm->tm_min;
    y.s = pTm->tm_sec;
    sqlite3OsLeaveMutex();
  }
#endif
  y.validYMD = 1;
  y.validHMS = 1;
  y.validJD = 0;
  y.validTZ = 0;
  computeJD(&y);
  return y.rJD - x.rJD;
}
................................................................................
        computeJD(&tx);
        tx.rJD -= 0.5;
        day = (int)tx.rJD;
        tx.rJD -= day;
        if( z[0]=='-' ) tx.rJD = -tx.rJD;
        computeJD(p);
        clearYMD_HMS_TZ(p);
        p->rJD += tx.rJD;
        rc = 0;
        break;
      }
      z += n;
      while( isspace(*(u8*)z) ) z++;
      n = strlen(z);
      if( n>10 || n<3 ) break;
................................................................................
    if( zFmt[i]!='%' ){
      z[j++] = zFmt[i];
    }else{
      i++;
      switch( zFmt[i] ){
        case 'd':  sprintf(&z[j],"%02d",x.D); j+=2; break;
        case 'f': {
          double s = x.s;
          if( s>59.999 ) s = 59.999;
          sqlite3_snprintf(7, &z[j],"%02.3f", s);
          j += strlen(&z[j]);
          break;
        }
        case 'H':  sprintf(&z[j],"%02d",x.h); j+=2; break;
        case 'W': /* Fall thru */
        case 'j': {
          int nDay;             /* Number of days since 1st day of year */
................................................................................
    extern int sqlite3_current_time;  /* See os_XXX.c */
    if( sqlite3_current_time ){
      t = sqlite3_current_time;
    }
  }
#endif

#ifdef HAVE_GMTIME_R
  {
    struct tm sNow;
    gmtime_r(&t, &sNow);
    strftime(zBuf, 20, zFormat, &sNow);
  }
#else
  {
    struct tm *pTm;
    sqlite3OsEnterMutex();
    pTm = gmtime(&t);
    strftime(zBuf, 20, zFormat, pTm);
    sqlite3OsLeaveMutex();
  }
#endif

  sqlite3_result_text(context, zBuf, -1, SQLITE_TRANSIENT);
}
#endif

/*
** This function registered all of the above C functions as SQL

Changes to SQLite.Interop/src/delete.c.

8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
**    May you find forgiveness for yourself and forgive others.
**    May you share freely, never taking more than you give.
**
*************************************************************************
** This file contains C code routines that are called by the parser
** in order to generate code for DELETE FROM statements.
**
** $Id: delete.c,v 1.23 2006/08/13 15:55:01 rmsimpson Exp $
*/
#include "sqliteInt.h"

/*
** Look up every table that is named in pSrc.  If any table is not found,
** add an error message to pParse->zErrMsg and return NULL.  If all tables
** are found, return a pointer to the last table.







|







8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
**    May you find forgiveness for yourself and forgive others.
**    May you share freely, never taking more than you give.
**
*************************************************************************
** This file contains C code routines that are called by the parser
** in order to generate code for DELETE FROM statements.
**
** $Id: delete.c,v 1.24 2006/10/12 21:34:21 rmsimpson Exp $
*/
#include "sqliteInt.h"

/*
** Look up every table that is named in pSrc.  If any table is not found,
** add an error message to pParse->zErrMsg and return NULL.  If all tables
** are found, return a pointer to the last table.

Changes to SQLite.Interop/src/expr.c.

8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
....
1157
1158
1159
1160
1161
1162
1163

1164
1165
1166
1167
1168
1169
1170
....
1175
1176
1177
1178
1179
1180
1181














1182
1183
1184
1185
1186
1187
1188
**    May you find forgiveness for yourself and forgive others.
**    May you share freely, never taking more than you give.
**
*************************************************************************
** This file contains routines used for analyzing expressions and
** for generating VDBE code that evaluates expressions in SQLite.
**
** $Id: expr.c,v 1.30 2006/08/13 15:55:01 rmsimpson Exp $
*/
#include "sqliteInt.h"
#include <ctype.h>

/*
** Return the 'affinity' of the expression pExpr if any.
**
................................................................................
    case TK_FUNCTION: {
      ExprList *pList = pExpr->pList;    /* The argument list */
      int n = pList ? pList->nExpr : 0;  /* Number of arguments */
      int no_such_func = 0;       /* True if no such function exists */
      int wrong_num_args = 0;     /* True if wrong number of arguments */
      int is_agg = 0;             /* True if is an aggregate function */
      int i;

      int nId;                    /* Number of characters in function name */
      const char *zId;            /* The function name. */
      FuncDef *pDef;              /* Information about the function */
      int enc = ENC(pParse->db);  /* The database encoding */

      zId = (char*)pExpr->token.z;
      nId = pExpr->token.n;
................................................................................
          no_such_func = 1;
        }else{
          wrong_num_args = 1;
        }
      }else{
        is_agg = pDef->xFunc==0;
      }














      if( is_agg && !pNC->allowAgg ){
        sqlite3ErrorMsg(pParse, "misuse of aggregate function %.*s()", nId,zId);
        pNC->nErr++;
        is_agg = 0;
      }else if( no_such_func ){
        sqlite3ErrorMsg(pParse, "no such function: %.*s", nId, zId);
        pNC->nErr++;







|







 







>







 







>
>
>
>
>
>
>
>
>
>
>
>
>
>







8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
....
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
....
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
**    May you find forgiveness for yourself and forgive others.
**    May you share freely, never taking more than you give.
**
*************************************************************************
** This file contains routines used for analyzing expressions and
** for generating VDBE code that evaluates expressions in SQLite.
**
** $Id: expr.c,v 1.31 2006/10/12 21:34:21 rmsimpson Exp $
*/
#include "sqliteInt.h"
#include <ctype.h>

/*
** Return the 'affinity' of the expression pExpr if any.
**
................................................................................
    case TK_FUNCTION: {
      ExprList *pList = pExpr->pList;    /* The argument list */
      int n = pList ? pList->nExpr : 0;  /* Number of arguments */
      int no_such_func = 0;       /* True if no such function exists */
      int wrong_num_args = 0;     /* True if wrong number of arguments */
      int is_agg = 0;             /* True if is an aggregate function */
      int i;
      int auth;                   /* Authorization to use the function */
      int nId;                    /* Number of characters in function name */
      const char *zId;            /* The function name. */
      FuncDef *pDef;              /* Information about the function */
      int enc = ENC(pParse->db);  /* The database encoding */

      zId = (char*)pExpr->token.z;
      nId = pExpr->token.n;
................................................................................
          no_such_func = 1;
        }else{
          wrong_num_args = 1;
        }
      }else{
        is_agg = pDef->xFunc==0;
      }
#ifndef SQLITE_OMIT_AUTHORIZER
      if( pDef ){
        auth = sqlite3AuthCheck(pParse, SQLITE_FUNCTION, 0, pDef->zName, 0);
        if( auth!=SQLITE_OK ){
          if( auth==SQLITE_DENY ){
            sqlite3ErrorMsg(pParse, "not authorized to use function: %s",
                                    pDef->zName);
            pNC->nErr++;
          }
          pExpr->op = TK_NULL;
          return 1;
        }
      }
#endif
      if( is_agg && !pNC->allowAgg ){
        sqlite3ErrorMsg(pParse, "misuse of aggregate function %.*s()", nId,zId);
        pNC->nErr++;
        is_agg = 0;
      }else if( no_such_func ){
        sqlite3ErrorMsg(pParse, "no such function: %.*s", nId, zId);
        pNC->nErr++;

Added SQLite.Interop/src/fts1.c.













































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































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/* The author disclaims copyright to this source code.
 *
 * This is an SQLite module implementing full-text search.
 */

/*
** The code in this file is only compiled if:
**
**     * The FTS1 module is being built as an extension
**       (in which case SQLITE_CORE is not defined), or
**
**     * The FTS1 module is being built into the core of
**       SQLite (in which case SQLITE_ENABLE_FTS1 is defined).
*/
#if !defined(SQLITE_CORE) || defined(SQLITE_ENABLE_FTS1)

#if defined(SQLITE_ENABLE_FTS1) && !defined(SQLITE_CORE)
# define SQLITE_CORE 1
#endif

#include <assert.h>
#if !defined(__APPLE__)
#include <malloc.h>
#else
#include <stdlib.h>
#endif
#include <stdio.h>
#include <string.h>
#include <ctype.h>

#include "fts1.h"
#include "fts1_hash.h"
#include "fts1_tokenizer.h"
#include "sqlite3.h"
#include "sqlite3ext.h"
SQLITE_EXTENSION_INIT1


#if 0
# define TRACE(A)  printf A; fflush(stdout)
#else
# define TRACE(A)
#endif

/* utility functions */

typedef struct StringBuffer {
  int len;      /* length, not including null terminator */
  int alloced;  /* Space allocated for s[] */ 
  char *s;      /* Content of the string */
} StringBuffer;

void initStringBuffer(StringBuffer *sb){
  sb->len = 0;
  sb->alloced = 100;
  sb->s = malloc(100);
  sb->s[0] = '\0';
}

void nappend(StringBuffer *sb, const char *zFrom, int nFrom){
  if( sb->len + nFrom >= sb->alloced ){
    sb->alloced = sb->len + nFrom + 100;
    sb->s = realloc(sb->s, sb->alloced+1);
    if( sb->s==0 ){
      initStringBuffer(sb);
      return;
    }
  }
  memcpy(sb->s + sb->len, zFrom, nFrom);
  sb->len += nFrom;
  sb->s[sb->len] = 0;
}
void append(StringBuffer *sb, const char *zFrom){
  nappend(sb, zFrom, strlen(zFrom));
}

/* We encode variable-length integers in little-endian order using seven bits
 * per byte as follows:
**
** KEY:
**         A = 0xxxxxxx    7 bits of data and one flag bit
**         B = 1xxxxxxx    7 bits of data and one flag bit
**
**  7 bits - A
** 14 bits - BA
** 21 bits - BBA
** and so on.
*/

/* We may need up to VARINT_MAX bytes to store an encoded 64-bit integer. */
#define VARINT_MAX 10

/* Write a 64-bit variable-length integer to memory starting at p[0].
 * The length of data written will be between 1 and VARINT_MAX bytes.
 * The number of bytes written is returned. */
static int putVarint(char *p, sqlite_int64 v){
  unsigned char *q = (unsigned char *) p;
  sqlite_uint64 vu = v;
  do{
    *q++ = (unsigned char) ((vu & 0x7f) | 0x80);
    vu >>= 7;
  }while( vu!=0 );
  q[-1] &= 0x7f;  /* turn off high bit in final byte */
  assert( q - (unsigned char *)p <= VARINT_MAX );
  return (int) (q - (unsigned char *)p);
}

/* Read a 64-bit variable-length integer from memory starting at p[0].
 * Return the number of bytes read, or 0 on error.
 * The value is stored in *v. */
static int getVarint(const char *p, sqlite_int64 *v){
  const unsigned char *q = (const unsigned char *) p;
  sqlite_uint64 x = 0, y = 1;
  while( (*q & 0x80) == 0x80 ){
    x += y * (*q++ & 0x7f);
    y <<= 7;
    if( q - (unsigned char *)p >= VARINT_MAX ){  /* bad data */
      assert( 0 );
      return 0;
    }
  }
  x += y * (*q++);
  *v = (sqlite_int64) x;
  return (int) (q - (unsigned char *)p);
}

static int getVarint32(const char *p, int *pi){
 sqlite_int64 i;
 int ret = getVarint(p, &i);
 *pi = (int) i;
 assert( *pi==i );
 return ret;
}

/*** Document lists ***
 *
 * A document list holds a sorted list of varint-encoded document IDs.
 *
 * A doclist with type DL_POSITIONS_OFFSETS is stored like this:
 *
 * array {
 *   varint docid;
 *   array {
 *     varint position;     (delta from previous position plus POS_BASE)
 *     varint startOffset;  (delta from previous startOffset)
 *     varint endOffset;    (delta from startOffset)
 *   }
 * }
 *
 * Here, array { X } means zero or more occurrences of X, adjacent in memory.
 *
 * A position list may hold positions for text in multiple columns.  A position
 * POS_COLUMN is followed by a varint containing the index of the column for
 * following positions in the list.  Any positions appearing before any
 * occurrences of POS_COLUMN are for column 0.
 *
 * A doclist with type DL_POSITIONS is like the above, but holds only docids
 * and positions without offset information.
 *
 * A doclist with type DL_DOCIDS is like the above, but holds only docids
 * without positions or offset information.
 *
 * On disk, every document list has positions and offsets, so we don't bother
 * to serialize a doclist's type.
 * 
 * We don't yet delta-encode document IDs; doing so will probably be a
 * modest win.
 *
 * NOTE(shess) I've thought of a slightly (1%) better offset encoding.
 * After the first offset, estimate the next offset by using the
 * current token position and the previous token position and offset,
 * offset to handle some variance.  So the estimate would be
 * (iPosition*w->iStartOffset/w->iPosition-64), which is delta-encoded
 * as normal.  Offsets more than 64 chars from the estimate are
 * encoded as the delta to the previous start offset + 128.  An
 * additional tiny increment can be gained by using the end offset of
 * the previous token to make the estimate a tiny bit more precise.
*/

typedef enum DocListType {
  DL_DOCIDS,              /* docids only */
  DL_POSITIONS,           /* docids + positions */
  DL_POSITIONS_OFFSETS    /* docids + positions + offsets */
} DocListType;

/*
** By default, only positions and not offsets are stored in the doclists.
** To change this so that offsets are stored too, compile with
**
**          -DDL_DEFAULT=DL_POSITIONS_OFFSETS
**
*/
#ifndef DL_DEFAULT
# define DL_DEFAULT DL_POSITIONS
#endif

typedef struct DocList {
  char *pData;
  int nData;
  DocListType iType;
  int iLastColumn;    /* the last column written */
  int iLastPos;       /* the last position written */
  int iLastOffset;    /* the last start offset written */
} DocList;

enum {
  POS_END = 0,        /* end of this position list */
  POS_COLUMN,         /* followed by new column number */
  POS_BASE
};

/* Initialize a new DocList to hold the given data. */
static void docListInit(DocList *d, DocListType iType,
                        const char *pData, int nData){
  d->nData = nData;
  if( nData>0 ){
    d->pData = malloc(nData);
    memcpy(d->pData, pData, nData);
  } else {
    d->pData = NULL;
  }
  d->iType = iType;
  d->iLastColumn = 0;
  d->iLastPos = d->iLastOffset = 0;
}

/* Create a new dynamically-allocated DocList. */
static DocList *docListNew(DocListType iType){
  DocList *d = (DocList *) malloc(sizeof(DocList));
  docListInit(d, iType, 0, 0);
  return d;
}

static void docListDestroy(DocList *d){
  free(d->pData);
#ifndef NDEBUG
  memset(d, 0x55, sizeof(*d));
#endif
}

static void docListDelete(DocList *d){
  docListDestroy(d);
  free(d);
}

static char *docListEnd(DocList *d){
  return d->pData + d->nData;
}

/* Append a varint to a DocList's data. */
static void appendVarint(DocList *d, sqlite_int64 i){
  char c[VARINT_MAX];
  int n = putVarint(c, i);
  d->pData = realloc(d->pData, d->nData + n);
  memcpy(d->pData + d->nData, c, n);
  d->nData += n;
}

static void docListAddDocid(DocList *d, sqlite_int64 iDocid){
  appendVarint(d, iDocid);
  if( d->iType>=DL_POSITIONS ){
    appendVarint(d, POS_END);  /* initially empty position list */
    d->iLastColumn = 0;
    d->iLastPos = d->iLastOffset = 0;
  }
}

/* helper function for docListAddPos and docListAddPosOffset */
static void addPos(DocList *d, int iColumn, int iPos){
  assert( d->nData>0 );
  --d->nData;  /* remove previous terminator */
  if( iColumn!=d->iLastColumn ){
    assert( iColumn>d->iLastColumn );
    appendVarint(d, POS_COLUMN);
    appendVarint(d, iColumn);
    d->iLastColumn = iColumn;
    d->iLastPos = d->iLastOffset = 0;
  }
  assert( iPos>=d->iLastPos );
  appendVarint(d, iPos-d->iLastPos+POS_BASE);
  d->iLastPos = iPos;
}

/* Add a position to the last position list in a doclist. */
static void docListAddPos(DocList *d, int iColumn, int iPos){
  assert( d->iType==DL_POSITIONS );
  addPos(d, iColumn, iPos);
  appendVarint(d, POS_END);  /* add new terminator */
}

/*
** Add a position and starting and ending offsets to a doclist.
**
** If the doclist is setup to handle only positions, then insert
** the position only and ignore the offsets.
*/
static void docListAddPosOffset(
  DocList *d,             /* Doclist under construction */
  int iColumn,            /* Column the inserted term is part of */
  int iPos,               /* Position of the inserted term */
  int iStartOffset,       /* Starting offset of inserted term */
  int iEndOffset          /* Ending offset of inserted term */
){
  assert( d->iType>=DL_POSITIONS );
  addPos(d, iColumn, iPos);
  if( d->iType==DL_POSITIONS_OFFSETS ){
    assert( iStartOffset>=d->iLastOffset );
    appendVarint(d, iStartOffset-d->iLastOffset);
    d->iLastOffset = iStartOffset;
    assert( iEndOffset>=iStartOffset );
    appendVarint(d, iEndOffset-iStartOffset);
  }
  appendVarint(d, POS_END);  /* add new terminator */
}

/*
** A DocListReader object is a cursor into a doclist.  Initialize
** the cursor to the beginning of the doclist by calling readerInit().
** Then use routines
**
**      peekDocid()
**      readDocid()
**      readPosition()
**      skipPositionList()
**      and so forth...
**
** to read information out of the doclist.  When we reach the end
** of the doclist, atEnd() returns TRUE.
*/
typedef struct DocListReader {
  DocList *pDoclist;  /* The document list we are stepping through */
  char *p;            /* Pointer to next unread byte in the doclist */
  int iLastColumn;
  int iLastPos;  /* the last position read, or -1 when not in a position list */
} DocListReader;

/*
** Initialize the DocListReader r to point to the beginning of pDoclist.
*/
static void readerInit(DocListReader *r, DocList *pDoclist){
  r->pDoclist = pDoclist;
  if( pDoclist!=NULL ){
    r->p = pDoclist->pData;
  }
  r->iLastColumn = -1;
  r->iLastPos = -1;
}

/*
** Return TRUE if we have reached then end of pReader and there is
** nothing else left to read.
*/
static int atEnd(DocListReader *pReader){
  return pReader->pDoclist==0 || (pReader->p >= docListEnd(pReader->pDoclist));
}

/* Peek at the next docid without advancing the read pointer. 
*/
static sqlite_int64 peekDocid(DocListReader *pReader){
  sqlite_int64 ret;
  assert( !atEnd(pReader) );
  assert( pReader->iLastPos==-1 );
  getVarint(pReader->p, &ret);
  return ret;
}

/* Read the next docid.   See also nextDocid().
*/
static sqlite_int64 readDocid(DocListReader *pReader){
  sqlite_int64 ret;
  assert( !atEnd(pReader) );
  assert( pReader->iLastPos==-1 );
  pReader->p += getVarint(pReader->p, &ret);
  if( pReader->pDoclist->iType>=DL_POSITIONS ){
    pReader->iLastColumn = 0;
    pReader->iLastPos = 0;
  }
  return ret;
}

/* Read the next position and column index from a position list.
 * Returns the position, or -1 at the end of the list. */
static int readPosition(DocListReader *pReader, int *iColumn){
  int i;
  int iType = pReader->pDoclist->iType;

  if( pReader->iLastPos==-1 ){
    return -1;
  }
  assert( !atEnd(pReader) );

  if( iType<DL_POSITIONS ){
    return -1;
  }
  pReader->p += getVarint32(pReader->p, &i);
  if( i==POS_END ){
    pReader->iLastColumn = pReader->iLastPos = -1;
    *iColumn = -1;
    return -1;
  }
  if( i==POS_COLUMN ){
    pReader->p += getVarint32(pReader->p, &pReader->iLastColumn);
    pReader->iLastPos = 0;
    pReader->p += getVarint32(pReader->p, &i);
    assert( i>=POS_BASE );
  }
  pReader->iLastPos += ((int) i)-POS_BASE;
  if( iType>=DL_POSITIONS_OFFSETS ){
    /* Skip over offsets, ignoring them for now. */
    int iStart, iEnd;
    pReader->p += getVarint32(pReader->p, &iStart);
    pReader->p += getVarint32(pReader->p, &iEnd);
  }
  *iColumn = pReader->iLastColumn;
  return pReader->iLastPos;
}

/* Skip past the end of a position list. */
static void skipPositionList(DocListReader *pReader){
  DocList *p = pReader->pDoclist;
  if( p && p->iType>=DL_POSITIONS ){
    int iColumn;
    while( readPosition(pReader, &iColumn)!=-1 ){}
  }
}

/* Skip over a docid, including its position list if the doclist has
 * positions. */
static void skipDocument(DocListReader *pReader){
  readDocid(pReader);
  skipPositionList(pReader);
}

/* Skip past all docids which are less than [iDocid].  Returns 1 if a docid
 * matching [iDocid] was found.  */
static int skipToDocid(DocListReader *pReader, sqlite_int64 iDocid){
  sqlite_int64 d = 0;
  while( !atEnd(pReader) && (d=peekDocid(pReader))<iDocid ){
    skipDocument(pReader);
  }
  return !atEnd(pReader) && d==iDocid;
}

/* Return the first document in a document list.
*/
static sqlite_int64 firstDocid(DocList *d){
  DocListReader r;
  readerInit(&r, d);
  return readDocid(&r);
}

#ifdef SQLITE_DEBUG
/*
** This routine is used for debugging purpose only.
**
** Write the content of a doclist to standard output.
*/
static void printDoclist(DocList *p){
  DocListReader r;
  const char *zSep = "";

  readerInit(&r, p);
  while( !atEnd(&r) ){
    sqlite_int64 docid = readDocid(&r);
    if( docid==0 ){
      skipPositionList(&r);
      continue;
    }
    printf("%s%lld", zSep, docid);
    zSep =  ",";
    if( p->iType>=DL_POSITIONS ){
      int iPos, iCol;
      const char *zDiv = "";
      printf("(");
      while( (iPos = readPosition(&r, &iCol))>=0 ){
        printf("%s%d:%d", zDiv, iCol, iPos);
        zDiv = ":";
      }
      printf(")");
    }
  }
  printf("\n");
  fflush(stdout);
}
#endif /* SQLITE_DEBUG */

/* Trim the given doclist to contain only positions in column
 * [iRestrictColumn]. */
static void docListRestrictColumn(DocList *in, int iRestrictColumn){
  DocListReader r;
  DocList out;

  assert( in->iType>=DL_POSITIONS );
  readerInit(&r, in);
  docListInit(&out, DL_POSITIONS, NULL, 0);

  while( !atEnd(&r) ){
    sqlite_int64 iDocid = readDocid(&r);
    int iPos, iColumn;

    docListAddDocid(&out, iDocid);
    while( (iPos = readPosition(&r, &iColumn)) != -1 ){
      if( iColumn==iRestrictColumn ){
        docListAddPos(&out, iColumn, iPos);
      }
    }
  }

  docListDestroy(in);
  *in = out;
}

/* Trim the given doclist by discarding any docids without any remaining
 * positions. */
static void docListDiscardEmpty(DocList *in) {
  DocListReader r;
  DocList out;

  /* TODO: It would be nice to implement this operation in place; that
   * could save a significant amount of memory in queries with long doclists. */
  assert( in->iType>=DL_POSITIONS );
  readerInit(&r, in);
  docListInit(&out, DL_POSITIONS, NULL, 0);

  while( !atEnd(&r) ){
    sqlite_int64 iDocid = readDocid(&r);
    int match = 0;
    int iPos, iColumn;
    while( (iPos = readPosition(&r, &iColumn)) != -1 ){
      if( !match ){
        docListAddDocid(&out, iDocid);
        match = 1;
      }
      docListAddPos(&out, iColumn, iPos);
    }
  }

  docListDestroy(in);
  *in = out;
}

/* Helper function for docListUpdate() and docListAccumulate().
** Splices a doclist element into the doclist represented by r,
** leaving r pointing after the newly spliced element.
*/
static void docListSpliceElement(DocListReader *r, sqlite_int64 iDocid,
                                 const char *pSource, int nSource){
  DocList *d = r->pDoclist;
  char *pTarget;
  int nTarget, found;

  found = skipToDocid(r, iDocid);

  /* Describe slice in d to place pSource/nSource. */
  pTarget = r->p;
  if( found ){
    skipDocument(r);
    nTarget = r->p-pTarget;
  }else{
    nTarget = 0;
  }

  /* The sense of the following is that there are three possibilities.
  ** If nTarget==nSource, we should not move any memory nor realloc.
  ** If nTarget>nSource, trim target and realloc.
  ** If nTarget<nSource, realloc then expand target.
  */
  if( nTarget>nSource ){
    memmove(pTarget+nSource, pTarget+nTarget, docListEnd(d)-(pTarget+nTarget));
  }
  if( nTarget!=nSource ){
    int iDoclist = pTarget-d->pData;
    d->pData = realloc(d->pData, d->nData+nSource-nTarget);
    pTarget = d->pData+iDoclist;
  }
  if( nTarget<nSource ){
    memmove(pTarget+nSource, pTarget+nTarget, docListEnd(d)-(pTarget+nTarget));
  }

  memcpy(pTarget, pSource, nSource);
  d->nData += nSource-nTarget;
  r->p = pTarget+nSource;
}

/* Insert/update pUpdate into the doclist. */
static void docListUpdate(DocList *d, DocList *pUpdate){
  DocListReader reader;

  assert( d!=NULL && pUpdate!=NULL );
  assert( d->iType==pUpdate->iType);

  readerInit(&reader, d);
  docListSpliceElement(&reader, firstDocid(pUpdate),
                       pUpdate->pData, pUpdate->nData);
}

/* Propagate elements from pUpdate to pAcc, overwriting elements with
** matching docids.
*/
static void docListAccumulate(DocList *pAcc, DocList *pUpdate){
  DocListReader accReader, updateReader;

  /* Handle edge cases where one doclist is empty. */
  assert( pAcc!=NULL );
  if( pUpdate==NULL || pUpdate->nData==0 ) return;
  if( pAcc->nData==0 ){
    pAcc->pData = malloc(pUpdate->nData);
    memcpy(pAcc->pData, pUpdate->pData, pUpdate->nData);
    pAcc->nData = pUpdate->nData;
    return;
  }

  readerInit(&accReader, pAcc);
  readerInit(&updateReader, pUpdate);

  while( !atEnd(&updateReader) ){
    char *pSource = updateReader.p;
    sqlite_int64 iDocid = readDocid(&updateReader);
    skipPositionList(&updateReader);
    docListSpliceElement(&accReader, iDocid, pSource, updateReader.p-pSource);
  }
}

/*
** Read the next docid off of pIn.  Return 0 if we reach the end.
*
* TODO: This assumes that docids are never 0, but they may actually be 0 since
* users can choose docids when inserting into a full-text table.  Fix this.
*/
static sqlite_int64 nextDocid(DocListReader *pIn){
  skipPositionList(pIn);
  return atEnd(pIn) ? 0 : readDocid(pIn);
}

/*
** pLeft and pRight are two DocListReaders that are pointing to
** positions lists of the same document: iDocid. 
**
** If there are no instances in pLeft or pRight where the position
** of pLeft is one less than the position of pRight, then this
** routine adds nothing to pOut.
**
** If there are one or more instances where positions from pLeft
** are exactly one less than positions from pRight, then add a new
** document record to pOut.  If pOut wants to hold positions, then
** include the positions from pRight that are one more than a
** position in pLeft.  In other words:  pRight.iPos==pLeft.iPos+1.
**
** pLeft and pRight are left pointing at the next document record.
*/
static void mergePosList(
  DocListReader *pLeft,    /* Left position list */
  DocListReader *pRight,   /* Right position list */
  sqlite_int64 iDocid,     /* The docid from pLeft and pRight */
  DocList *pOut            /* Write the merged document record here */
){
  int iLeftCol, iLeftPos = readPosition(pLeft, &iLeftCol);
  int iRightCol, iRightPos = readPosition(pRight, &iRightCol);
  int match = 0;

  /* Loop until we've reached the end of both position lists. */
  while( iLeftPos!=-1 && iRightPos!=-1 ){
    if( iLeftCol==iRightCol && iLeftPos+1==iRightPos ){
      if( !match ){
        docListAddDocid(pOut, iDocid);
        match = 1;
      }
      if( pOut->iType>=DL_POSITIONS ){
        docListAddPos(pOut, iRightCol, iRightPos);
      }
      iLeftPos = readPosition(pLeft, &iLeftCol);
      iRightPos = readPosition(pRight, &iRightCol);
    }else if( iRightCol<iLeftCol ||
              (iRightCol==iLeftCol && iRightPos<iLeftPos+1) ){
      iRightPos = readPosition(pRight, &iRightCol);
    }else{
      iLeftPos = readPosition(pLeft, &iLeftCol);
    }
  }
  if( iLeftPos>=0 ) skipPositionList(pLeft);
  if( iRightPos>=0 ) skipPositionList(pRight);
}

/* We have two doclists:  pLeft and pRight.
** Write the phrase intersection of these two doclists into pOut.
**
** A phrase intersection means that two documents only match
** if pLeft.iPos+1==pRight.iPos.
**
** The output pOut may or may not contain positions.  If pOut
** does contain positions, they are the positions of pRight.
*/
static void docListPhraseMerge(
  DocList *pLeft,    /* Doclist resulting from the words on the left */
  DocList *pRight,   /* Doclist for the next word to the right */
  DocList *pOut      /* Write the combined doclist here */
){
  DocListReader left, right;
  sqlite_int64 docidLeft, docidRight;

  readerInit(&left, pLeft);
  readerInit(&right, pRight);
  docidLeft = nextDocid(&left);
  docidRight = nextDocid(&right);

  while( docidLeft>0 && docidRight>0 ){
    if( docidLeft<docidRight ){
      docidLeft = nextDocid(&left);
    }else if( docidRight<docidLeft ){
      docidRight = nextDocid(&right);
    }else{
      mergePosList(&left, &right, docidLeft, pOut);
      docidLeft = nextDocid(&left);
      docidRight = nextDocid(&right);
    }
  }
}

/* We have two doclists:  pLeft and pRight.
** Write the intersection of these two doclists into pOut.
** Only docids are matched.  Position information is ignored.
**
** The output pOut never holds positions.
*/
static void docListAndMerge(
  DocList *pLeft,    /* Doclist resulting from the words on the left */
  DocList *pRight,   /* Doclist for the next word to the right */
  DocList *pOut      /* Write the combined doclist here */
){
  DocListReader left, right;
  sqlite_int64 docidLeft, docidRight;

  assert( pOut->iType<DL_POSITIONS );

  readerInit(&left, pLeft);
  readerInit(&right, pRight);
  docidLeft = nextDocid(&left);
  docidRight = nextDocid(&right);

  while( docidLeft>0 && docidRight>0 ){
    if( docidLeft<docidRight ){
      docidLeft = nextDocid(&left);
    }else if( docidRight<docidLeft ){
      docidRight = nextDocid(&right);
    }else{
      docListAddDocid(pOut, docidLeft);
      docidLeft = nextDocid(&left);
      docidRight = nextDocid(&right);
    }
  }
}

/* We have two doclists:  pLeft and pRight.
** Write the union of these two doclists into pOut.
** Only docids are matched.  Position information is ignored.
**
** The output pOut never holds positions.
*/
static void docListOrMerge(
  DocList *pLeft,    /* Doclist resulting from the words on the left */
  DocList *pRight,   /* Doclist for the next word to the right */
  DocList *pOut      /* Write the combined doclist here */
){
  DocListReader left, right;
  sqlite_int64 docidLeft, docidRight, priorLeft;

  readerInit(&left, pLeft);
  readerInit(&right, pRight);
  docidLeft = nextDocid(&left);
  docidRight = nextDocid(&right);

  while( docidLeft>0 && docidRight>0 ){
    if( docidLeft<=docidRight ){
      docListAddDocid(pOut, docidLeft);
    }else{
      docListAddDocid(pOut, docidRight);
    }
    priorLeft = docidLeft;
    if( docidLeft<=docidRight ){
      docidLeft = nextDocid(&left);
    }
    if( docidRight>0 && docidRight<=priorLeft ){
      docidRight = nextDocid(&right);
    }
  }
  while( docidLeft>0 ){
    docListAddDocid(pOut, docidLeft);
    docidLeft = nextDocid(&left);
  }
  while( docidRight>0 ){
    docListAddDocid(pOut, docidRight);
    docidRight = nextDocid(&right);
  }
}

/* We have two doclists:  pLeft and pRight.
** Write into pOut all documents that occur in pLeft but not
** in pRight.
**
** Only docids are matched.  Position information is ignored.
**
** The output pOut never holds positions.
*/
static void docListExceptMerge(
  DocList *pLeft,    /* Doclist resulting from the words on the left */
  DocList *pRight,   /* Doclist for the next word to the right */
  DocList *pOut      /* Write the combined doclist here */
){
  DocListReader left, right;
  sqlite_int64 docidLeft, docidRight, priorLeft;

  readerInit(&left, pLeft);
  readerInit(&right, pRight);
  docidLeft = nextDocid(&left);
  docidRight = nextDocid(&right);

  while( docidLeft>0 && docidRight>0 ){
    priorLeft = docidLeft;
    if( docidLeft<docidRight ){
      docListAddDocid(pOut, docidLeft);
    }
    if( docidLeft<=docidRight ){
      docidLeft = nextDocid(&left);
    }
    if( docidRight>0 && docidRight<=priorLeft ){
      docidRight = nextDocid(&right);
    }
  }
  while( docidLeft>0 ){
    docListAddDocid(pOut, docidLeft);
    docidLeft = nextDocid(&left);
  }
}

static char *string_dup_n(const char *s, int n){
  char *str = malloc(n + 1);
  memcpy(str, s, n);
  str[n] = '\0';
  return str;
}

/* Duplicate a string; the caller must free() the returned string.
 * (We don't use strdup() since it's not part of the standard C library and
 * may not be available everywhere.) */
static char *string_dup(const char *s){
  return string_dup_n(s, strlen(s));
}

/* Format a string, replacing each occurrence of the % character with
 * zName.  This may be more convenient than sqlite_mprintf()
 * when one string is used repeatedly in a format string.
 * The caller must free() the returned string. */
static char *string_format(const char *zFormat, const char *zName){
  const char *p;
  size_t len = 0;
  size_t nName = strlen(zName);
  char *result;
  char *r;

  /* first compute length needed */
  for(p = zFormat ; *p ; ++p){
    len += (*p=='%' ? nName : 1);
  }
  len += 1;  /* for null terminator */

  r = result = malloc(len);
  for(p = zFormat; *p; ++p){
    if( *p=='%' ){
      memcpy(r, zName, nName);
      r += nName;
    } else {
      *r++ = *p;
    }
  }
  *r++ = '\0';
  assert( r == result + len );
  return result;
}

static int sql_exec(sqlite3 *db, const char *zName, const char *zFormat){
  char *zCommand = string_format(zFormat, zName);
  int rc;
  TRACE(("FTS1 sql: %s\n", zCommand));
  rc = sqlite3_exec(db, zCommand, NULL, 0, NULL);
  free(zCommand);
  return rc;
}

static int sql_prepare(sqlite3 *db, const char *zName, sqlite3_stmt **ppStmt,
                const char *zFormat){
  char *zCommand = string_format(zFormat, zName);
  int rc;
  TRACE(("FTS1 prepare: %s\n", zCommand));
  rc = sqlite3_prepare(db, zCommand, -1, ppStmt, NULL);
  free(zCommand);
  return rc;
}

/* end utility functions */

/* Forward reference */
typedef struct fulltext_vtab fulltext_vtab;

/* A single term in a query is represented by an instances of
** the following structure.
*/
typedef struct QueryTerm {
  short int nPhrase; /* How many following terms are part of the same phrase */
  short int iPhrase; /* This is the i-th term of a phrase. */
  short int iColumn; /* Column of the index that must match this term */
  signed char isOr;  /* this term is preceded by "OR" */
  signed char isNot; /* this term is preceded by "-" */
  char *pTerm;       /* text of the term.  '\000' terminated.  malloced */
  int nTerm;         /* Number of bytes in pTerm[] */
} QueryTerm;


/* A query string is parsed into a Query structure.
 *
 * We could, in theory, allow query strings to be complicated
 * nested expressions with precedence determined by parentheses.
 * But none of the major search engines do this.  (Perhaps the
 * feeling is that an parenthesized expression is two complex of
 * an idea for the average user to grasp.)  Taking our lead from
 * the major search engines, we will allow queries to be a list
 * of terms (with an implied AND operator) or phrases in double-quotes,
 * with a single optional "-" before each non-phrase term to designate
 * negation and an optional OR connector.
 *
 * OR binds more tightly than the implied AND, which is what the
 * major search engines seem to do.  So, for example:
 * 
 *    [one two OR three]     ==>    one AND (two OR three)
 *    [one OR two three]     ==>    (one OR two) AND three
 *
 * A "-" before a term matches all entries that lack that term.
 * The "-" must occur immediately before the term with in intervening
 * space.  This is how the search engines do it.
 *
 * A NOT term cannot be the right-hand operand of an OR.  If this
 * occurs in the query string, the NOT is ignored:
 *
 *    [one OR -two]          ==>    one OR two
 *
 */
typedef struct Query {
  fulltext_vtab *pFts;  /* The full text index */
  int nTerms;           /* Number of terms in the query */
  QueryTerm *pTerms;    /* Array of terms.  Space obtained from malloc() */
  int nextIsOr;         /* Set the isOr flag on the next inserted term */
  int nextColumn;       /* Next word parsed must be in this column */
  int dfltColumn;       /* The default column */
} Query;


/*
** An instance of the following structure keeps track of generated
** matching-word offset information and snippets.
*/
typedef struct Snippet {
  int nMatch;     /* Total number of matches */
  int nAlloc;     /* Space allocated for aMatch[] */
  struct snippetMatch { /* One entry for each matching term */
    char snStatus;       /* Status flag for use while constructing snippets */
    short int iCol;      /* The column that contains the match */
    short int iTerm;     /* The index in Query.pTerms[] of the matching term */
    short int nByte;     /* Number of bytes in the term */
    int iStart;          /* The offset to the first character of the term */
  } *aMatch;      /* Points to space obtained from malloc */
  char *zOffset;  /* Text rendering of aMatch[] */
  int nOffset;    /* strlen(zOffset) */
  char *zSnippet; /* Snippet text */
  int nSnippet;   /* strlen(zSnippet) */
} Snippet;


typedef enum QueryType {
  QUERY_GENERIC,   /* table scan */
  QUERY_ROWID,     /* lookup by rowid */
  QUERY_FULLTEXT   /* QUERY_FULLTEXT + [i] is a full-text search for column i*/
} QueryType;

/* TODO(shess) CHUNK_MAX controls how much data we allow in segment 0
** before we start aggregating into larger segments.  Lower CHUNK_MAX
** means that for a given input we have more individual segments per
** term, which means more rows in the table and a bigger index (due to
** both more rows and bigger rowids).  But it also reduces the average
** cost of adding new elements to the segment 0 doclist, and it seems
** to reduce the number of pages read and written during inserts.  256
** was chosen by measuring insertion times for a certain input (first
** 10k documents of Enron corpus), though including query performance
** in the decision may argue for a larger value.
*/
#define CHUNK_MAX 256

typedef enum fulltext_statement {
  CONTENT_INSERT_STMT,
  CONTENT_SELECT_STMT,
  CONTENT_UPDATE_STMT,
  CONTENT_DELETE_STMT,

  TERM_SELECT_STMT,
  TERM_SELECT_ALL_STMT,
  TERM_INSERT_STMT,
  TERM_UPDATE_STMT,
  TERM_DELETE_STMT,

  MAX_STMT                     /* Always at end! */
} fulltext_statement;

/* These must exactly match the enum above. */
/* TODO(adam): Is there some risk that a statement (in particular,
** pTermSelectStmt) will be used in two cursors at once, e.g.  if a
** query joins a virtual table to itself?  If so perhaps we should
** move some of these to the cursor object.
*/
static const char *const fulltext_zStatement[MAX_STMT] = {
  /* CONTENT_INSERT */ NULL,  /* generated in contentInsertStatement() */
  /* CONTENT_SELECT */ "select * from %_content where rowid = ?",
  /* CONTENT_UPDATE */ NULL,  /* generated in contentUpdateStatement() */
  /* CONTENT_DELETE */ "delete from %_content where rowid = ?",

  /* TERM_SELECT */
  "select rowid, doclist from %_term where term = ? and segment = ?",
  /* TERM_SELECT_ALL */
  "select doclist from %_term where term = ? order by segment",
  /* TERM_INSERT */
  "insert into %_term (rowid, term, segment, doclist) values (?, ?, ?, ?)",
  /* TERM_UPDATE */ "update %_term set doclist = ? where rowid = ?",
  /* TERM_DELETE */ "delete from %_term where rowid = ?",
};

/*
** A connection to a fulltext index is an instance of the following
** structure.  The xCreate and xConnect methods create an instance
** of this structure and xDestroy and xDisconnect free that instance.
** All other methods receive a pointer to the structure as one of their
** arguments.
*/
struct fulltext_vtab {
  sqlite3_vtab base;               /* Base class used by SQLite core */
  sqlite3 *db;                     /* The database connection */
  const char *zName;               /* virtual table name */
  int nColumn;                     /* number of columns in virtual table */
  char **azColumn;                 /* column names.  malloced */
  char **azContentColumn;          /* column names in content table; malloced */
  sqlite3_tokenizer *pTokenizer;   /* tokenizer for inserts and queries */

  /* Precompiled statements which we keep as long as the table is
  ** open.
  */
  sqlite3_stmt *pFulltextStatements[MAX_STMT];
};

/*
** When the core wants to do a query, it create a cursor using a
** call to xOpen.  This structure is an instance of a cursor.  It
** is destroyed by xClose.
*/
typedef struct fulltext_cursor {
  sqlite3_vtab_cursor base;        /* Base class used by SQLite core */
  QueryType iCursorType;           /* Copy of sqlite3_index_info.idxNum */
  sqlite3_stmt *pStmt;             /* Prepared statement in use by the cursor */
  int eof;                         /* True if at End Of Results */
  Query q;                         /* Parsed query string */
  Snippet snippet;                 /* Cached snippet for the current row */
  int iColumn;                     /* Column being searched */
  DocListReader result;  /* used when iCursorType == QUERY_FULLTEXT */ 
} fulltext_cursor;

static struct fulltext_vtab *cursor_vtab(fulltext_cursor *c){
  return (fulltext_vtab *) c->base.pVtab;
}

static const sqlite3_module fulltextModule;   /* forward declaration */

/* Append a list of strings separated by commas to a StringBuffer. */
static void appendList(StringBuffer *sb, int nString, char **azString){
  int i;
  for(i=0; i<nString; ++i){
    if( i>0 ) append(sb, ", ");
    append(sb, azString[i]);
  }
}

/* Return a dynamically generated statement of the form
 *   insert into %_content (rowid, ...) values (?, ...)
 */
static const char *contentInsertStatement(fulltext_vtab *v){
  StringBuffer sb;
  int i;

  initStringBuffer(&sb);
  append(&sb, "insert into %_content (rowid, ");
  appendList(&sb, v->nColumn, v->azContentColumn);
  append(&sb, ") values (?");
  for(i=0; i<v->nColumn; ++i)
    append(&sb, ", ?");
  append(&sb, ")");
  return sb.s;
}

/* Return a dynamically generated statement of the form
 *   update %_content set [col_0] = ?, [col_1] = ?, ...
 *                    where rowid = ?
 */
static const char *contentUpdateStatement(fulltext_vtab *v){
  StringBuffer sb;
  int i;

  initStringBuffer(&sb);
  append(&sb, "update %_content set ");
  for(i=0; i<v->nColumn; ++i) {
    if( i>0 ){
      append(&sb, ", ");
    }
    append(&sb, v->azContentColumn[i]);
    append(&sb, " = ?");
  }
  append(&sb, " where rowid = ?");
  return sb.s;
}

/* Puts a freshly-prepared statement determined by iStmt in *ppStmt.
** If the indicated statement has never been prepared, it is prepared
** and cached, otherwise the cached version is reset.
*/
static int sql_get_statement(fulltext_vtab *v, fulltext_statement iStmt,
                             sqlite3_stmt **ppStmt){
  assert( iStmt<MAX_STMT );
  if( v->pFulltextStatements[iStmt]==NULL ){
    const char *zStmt;
    int rc;
    switch( iStmt ){
      case CONTENT_INSERT_STMT:
        zStmt = contentInsertStatement(v); break;
      case CONTENT_UPDATE_STMT:
        zStmt = contentUpdateStatement(v); break;
      default:
        zStmt = fulltext_zStatement[iStmt];
    }
    rc = sql_prepare(v->db, v->zName, &v->pFulltextStatements[iStmt],
                         zStmt);
    if( zStmt != fulltext_zStatement[iStmt]) free((void *) zStmt);
    if( rc!=SQLITE_OK ) return rc;
  } else {
    int rc = sqlite3_reset(v->pFulltextStatements[iStmt]);
    if( rc!=SQLITE_OK ) return rc;
  }

  *ppStmt = v->pFulltextStatements[iStmt];
  return SQLITE_OK;
}

/* Step the indicated statement, handling errors SQLITE_BUSY (by
** retrying) and SQLITE_SCHEMA (by re-preparing and transferring
** bindings to the new statement).
** TODO(adam): We should extend this function so that it can work with
** statements declared locally, not only globally cached statements.
*/
static int sql_step_statement(fulltext_vtab *v, fulltext_statement iStmt,
                              sqlite3_stmt **ppStmt){
  int rc;
  sqlite3_stmt *s = *ppStmt;
  assert( iStmt<MAX_STMT );
  assert( s==v->pFulltextStatements[iStmt] );

  while( (rc=sqlite3_step(s))!=SQLITE_DONE && rc!=SQLITE_ROW ){
    sqlite3_stmt *pNewStmt;

    if( rc==SQLITE_BUSY ) continue;
    if( rc!=SQLITE_ERROR ) return rc;

    rc = sqlite3_reset(s);
    if( rc!=SQLITE_SCHEMA ) return SQLITE_ERROR;

    v->pFulltextStatements[iStmt] = NULL;   /* Still in s */
    rc = sql_get_statement(v, iStmt, &pNewStmt);
    if( rc!=SQLITE_OK ) goto err;
    *ppStmt = pNewStmt;

    rc = sqlite3_transfer_bindings(s, pNewStmt);
    if( rc!=SQLITE_OK ) goto err;

    rc = sqlite3_finalize(s);
    if( rc!=SQLITE_OK ) return rc;
    s = pNewStmt;
  }
  return rc;

 err:
  sqlite3_finalize(s);
  return rc;
}

/* Like sql_step_statement(), but convert SQLITE_DONE to SQLITE_OK.
** Useful for statements like UPDATE, where we expect no results.
*/
static int sql_single_step_statement(fulltext_vtab *v,
                                     fulltext_statement iStmt,
                                     sqlite3_stmt **ppStmt){
  int rc = sql_step_statement(v, iStmt, ppStmt);
  return (rc==SQLITE_DONE) ? SQLITE_OK : rc;
}

/* insert into %_content (rowid, ...) values ([rowid], [pValues]) */
static int content_insert(fulltext_vtab *v, sqlite3_value *rowid,
                          sqlite3_value **pValues){
  sqlite3_stmt *s;
  int i;
  int rc = sql_get_statement(v, CONTENT_INSERT_STMT, &s);
  if( rc!=SQLITE_OK ) return rc;

  rc = sqlite3_bind_value(s, 1, rowid);
  if( rc!=SQLITE_OK ) return rc;

  for(i=0; i<v->nColumn; ++i){
    rc = sqlite3_bind_value(s, 2+i, pValues[i]);
    if( rc!=SQLITE_OK ) return rc;
  }

  return sql_single_step_statement(v, CONTENT_INSERT_STMT, &s);
}

/* update %_content set col0 = pValues[0], col1 = pValues[1], ...
 *                  where rowid = [iRowid] */
static int content_update(fulltext_vtab *v, sqlite3_value **pValues,
                          sqlite_int64 iRowid){
  sqlite3_stmt *s;
  int i;
  int rc = sql_get_statement(v, CONTENT_UPDATE_STMT, &s);
  if( rc!=SQLITE_OK ) return rc;

  for(i=0; i<v->nColumn; ++i){
    rc = sqlite3_bind_value(s, 1+i, pValues[i]);
    if( rc!=SQLITE_OK ) return rc;
  }

  rc = sqlite3_bind_int64(s, 1+v->nColumn, iRowid);
  if( rc!=SQLITE_OK ) return rc;

  return sql_single_step_statement(v, CONTENT_UPDATE_STMT, &s);
}

void freeStringArray(int nString, const char **pString){
  int i;

  for (i=0 ; i < nString ; ++i) {
    free((void *) pString[i]);
  }
  free((void *) pString);
}

/* select * from %_content where rowid = [iRow]
 * The caller must delete the returned array and all strings in it.
 *
 * TODO: Perhaps we should return pointer/length strings here for consistency
 * with other code which uses pointer/length. */
static int content_select(fulltext_vtab *v, sqlite_int64 iRow,
                          const char ***pValues){
  sqlite3_stmt *s;
  const char **values;
  int i;
  int rc;

  *pValues = NULL;

  rc = sql_get_statement(v, CONTENT_SELECT_STMT, &s);
  if( rc!=SQLITE_OK ) return rc;

  rc = sqlite3_bind_int64(s, 1, iRow);
  if( rc!=SQLITE_OK ) return rc;

  rc = sql_step_statement(v, CONTENT_SELECT_STMT, &s);
  if( rc!=SQLITE_ROW ) return rc;

  values = (const char **) malloc(v->nColumn * sizeof(const char *));
  for(i=0; i<v->nColumn; ++i){
    values[i] = string_dup((char*)sqlite3_column_text(s, i));
  }

  /* We expect only one row.  We must execute another sqlite3_step()
   * to complete the iteration; otherwise the table will remain locked. */
  rc = sqlite3_step(s);
  if( rc==SQLITE_DONE ){
    *pValues = values;
    return SQLITE_OK;
  }

  freeStringArray(v->nColumn, values);
  return rc;
}

/* delete from %_content where rowid = [iRow ] */
static int content_delete(fulltext_vtab *v, sqlite_int64 iRow){
  sqlite3_stmt *s;
  int rc = sql_get_statement(v, CONTENT_DELETE_STMT, &s);
  if( rc!=SQLITE_OK ) return rc;

  rc = sqlite3_bind_int64(s, 1, iRow);
  if( rc!=SQLITE_OK ) return rc;

  return sql_single_step_statement(v, CONTENT_DELETE_STMT, &s);
}

/* select rowid, doclist from %_term
 *  where term = [pTerm] and segment = [iSegment]
 * If found, returns SQLITE_ROW; the caller must free the
 * returned doclist.  If no rows found, returns SQLITE_DONE. */
static int term_select(fulltext_vtab *v, const char *pTerm, int nTerm,
                       int iSegment,
                       sqlite_int64 *rowid, DocList *out){
  sqlite3_stmt *s;
  int rc = sql_get_statement(v, TERM_SELECT_STMT, &s);
  if( rc!=SQLITE_OK ) return rc;

  rc = sqlite3_bind_text(s, 1, pTerm, nTerm, SQLITE_STATIC);
  if( rc!=SQLITE_OK ) return rc;

  rc = sqlite3_bind_int(s, 2, iSegment);
  if( rc!=SQLITE_OK ) return rc;

  rc = sql_step_statement(v, TERM_SELECT_STMT, &s);
  if( rc!=SQLITE_ROW ) return rc;

  *rowid = sqlite3_column_int64(s, 0);
  docListInit(out, DL_DEFAULT,
              sqlite3_column_blob(s, 1), sqlite3_column_bytes(s, 1));

  /* We expect only one row.  We must execute another sqlite3_step()
   * to complete the iteration; otherwise the table will remain locked. */
  rc = sqlite3_step(s);
  return rc==SQLITE_DONE ? SQLITE_ROW : rc;
}

/* Load the segment doclists for term pTerm and merge them in
** appropriate order into out.  Returns SQLITE_OK if successful.  If
** there are no segments for pTerm, successfully returns an empty
** doclist in out.
**
** Each document consists of 1 or more "columns".  The number of
** columns is v->nColumn.  If iColumn==v->nColumn, then return
** position information about all columns.  If iColumn<v->nColumn,
** then only return position information about the iColumn-th column
** (where the first column is 0).
*/
static int term_select_all(
  fulltext_vtab *v,     /* The fulltext index we are querying against */
  int iColumn,          /* If <nColumn, only look at the iColumn-th column */
  const char *pTerm,    /* The term whose posting lists we want */
  int nTerm,            /* Number of bytes in pTerm */
  DocList *out          /* Write the resulting doclist here */
){
  DocList doclist;
  sqlite3_stmt *s;
  int rc = sql_get_statement(v, TERM_SELECT_ALL_STMT, &s);
  if( rc!=SQLITE_OK ) return rc;

  rc = sqlite3_bind_text(s, 1, pTerm, nTerm, SQLITE_STATIC);
  if( rc!=SQLITE_OK ) return rc;

  docListInit(&doclist, DL_DEFAULT, 0, 0);

  /* TODO(shess) Handle schema and busy errors. */
  while( (rc=sql_step_statement(v, TERM_SELECT_ALL_STMT, &s))==SQLITE_ROW ){
    DocList old;

    /* TODO(shess) If we processed doclists from oldest to newest, we
    ** could skip the malloc() involved with the following call.  For
    ** now, I'd rather keep this logic similar to index_insert_term().
    ** We could additionally drop elements when we see deletes, but
    ** that would require a distinct version of docListAccumulate().
    */
    docListInit(&old, DL_DEFAULT,
                sqlite3_column_blob(s, 0), sqlite3_column_bytes(s, 0));

    if( iColumn<v->nColumn ){   /* querying a single column */
      docListRestrictColumn(&old, iColumn);
    }

    /* doclist contains the newer data, so write it over old.  Then
    ** steal accumulated result for doclist.
    */
    docListAccumulate(&old, &doclist);
    docListDestroy(&doclist);
    doclist = old;
  }
  if( rc!=SQLITE_DONE ){
    docListDestroy(&doclist);
    return rc;
  }

  docListDiscardEmpty(&doclist);
  *out = doclist;
  return SQLITE_OK;
}

/* insert into %_term (rowid, term, segment, doclist)
               values ([piRowid], [pTerm], [iSegment], [doclist])
** Lets sqlite select rowid if piRowid is NULL, else uses *piRowid.
**
** NOTE(shess) piRowid is IN, with values of "space of int64" plus
** null, it is not used to pass data back to the caller.
*/
static int term_insert(fulltext_vtab *v, sqlite_int64 *piRowid,
                       const char *pTerm, int nTerm,
                       int iSegment, DocList *doclist){
  sqlite3_stmt *s;
  int rc = sql_get_statement(v, TERM_INSERT_STMT, &s);
  if( rc!=SQLITE_OK ) return rc;

  if( piRowid==NULL ){
    rc = sqlite3_bind_null(s, 1);
  }else{
    rc = sqlite3_bind_int64(s, 1, *piRowid);
  }
  if( rc!=SQLITE_OK ) return rc;

  rc = sqlite3_bind_text(s, 2, pTerm, nTerm, SQLITE_STATIC);
  if( rc!=SQLITE_OK ) return rc;

  rc = sqlite3_bind_int(s, 3, iSegment);
  if( rc!=SQLITE_OK ) return rc;

  rc = sqlite3_bind_blob(s, 4, doclist->pData, doclist->nData, SQLITE_STATIC);
  if( rc!=SQLITE_OK ) return rc;

  return sql_single_step_statement(v, TERM_INSERT_STMT, &s);
}

/* update %_term set doclist = [doclist] where rowid = [rowid] */
static int term_update(fulltext_vtab *v, sqlite_int64 rowid,
                       DocList *doclist){
  sqlite3_stmt *s;
  int rc = sql_get_statement(v, TERM_UPDATE_STMT, &s);
  if( rc!=SQLITE_OK ) return rc;

  rc = sqlite3_bind_blob(s, 1, doclist->pData, doclist->nData, SQLITE_STATIC);
  if( rc!=SQLITE_OK ) return rc;

  rc = sqlite3_bind_int64(s, 2, rowid);
  if( rc!=SQLITE_OK ) return rc;

  return sql_single_step_statement(v, TERM_UPDATE_STMT, &s);
}

static int term_delete(fulltext_vtab *v, sqlite_int64 rowid){
  sqlite3_stmt *s;
  int rc = sql_get_statement(v, TERM_DELETE_STMT, &s);
  if( rc!=SQLITE_OK ) return rc;

  rc = sqlite3_bind_int64(s, 1, rowid);
  if( rc!=SQLITE_OK ) return rc;

  return sql_single_step_statement(v, TERM_DELETE_STMT, &s);
}

/*
** Free the memory used to contain a fulltext_vtab structure.
*/
static void fulltext_vtab_destroy(fulltext_vtab *v){
  int iStmt, i;

  TRACE(("FTS1 Destroy %p\n", v));
  for( iStmt=0; iStmt<MAX_STMT; iStmt++ ){
    if( v->pFulltextStatements[iStmt]!=NULL ){
      sqlite3_finalize(v->pFulltextStatements[iStmt]);
      v->pFulltextStatements[iStmt] = NULL;
    }
  }

  if( v->pTokenizer!=NULL ){
    v->pTokenizer->pModule->xDestroy(v->pTokenizer);
    v->pTokenizer = NULL;
  }
  
  free(v->azColumn);
  for(i = 0; i < v->nColumn; ++i) {
    sqlite3_free(v->azContentColumn[i]);
  }
  free(v->azContentColumn);
  free(v);
}

/*
** Token types for parsing the arguments to xConnect or xCreate.
*/
#define TOKEN_EOF         0    /* End of file */
#define TOKEN_SPACE       1    /* Any kind of whitespace */
#define TOKEN_ID          2    /* An identifier */
#define TOKEN_STRING      3    /* A string literal */
#define TOKEN_PUNCT       4    /* A single punctuation character */

/*
** If X is a character that can be used in an identifier then
** IdChar(X) will be true.  Otherwise it is false.
**
** For ASCII, any character with the high-order bit set is
** allowed in an identifier.  For 7-bit characters, 
** sqlite3IsIdChar[X] must be 1.
**
** Ticket #1066.  the SQL standard does not allow '$' in the
** middle of identfiers.  But many SQL implementations do. 
** SQLite will allow '$' in identifiers for compatibility.
** But the feature is undocumented.
*/
static const char isIdChar[] = {
/* x0 x1 x2 x3 x4 x5 x6 x7 x8 x9 xA xB xC xD xE xF */
    0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,  /* 2x */
    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0,  /* 3x */
    0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,  /* 4x */
    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 1,  /* 5x */
    0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,  /* 6x */
    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0,  /* 7x */
};
#define IdChar(C)  (((c=C)&0x80)!=0 || (c>0x1f && isIdChar[c-0x20]))


/*
** Return the length of the token that begins at z[0]. 
** Store the token type in *tokenType before returning.
*/
static int getToken(const char *z, int *tokenType){
  int i, c;
  switch( *z ){
    case 0: {
      *tokenType = TOKEN_EOF;
      return 0;
    }
    case ' ': case '\t': case '\n': case '\f': case '\r': {
      for(i=1; isspace(z[i]); i++){}
      *tokenType = TOKEN_SPACE;
      return i;
    }
    case '\'':
    case '"': {
      int delim = z[0];
      for(i=1; (c=z[i])!=0; i++){
        if( c==delim ){
          if( z[i+1]==delim ){
            i++;
          }else{
            break;
          }
        }
      }
      *tokenType = TOKEN_STRING;
      return i + (c!=0);
    }
    case '[': {
      for(i=1, c=z[0]; c!=']' && (c=z[i])!=0; i++){}
      *tokenType = TOKEN_ID;
      return i;
    }
    default: {
      if( !IdChar(*z) ){
        break;
      }
      for(i=1; IdChar(z[i]); i++){}
      *tokenType = TOKEN_ID;
      return i;
    }
  }
  *tokenType = TOKEN_PUNCT;
  return 1;
}

/*
** A token extracted from a string is an instance of the following
** structure.
*/
typedef struct Token {
  const char *z;       /* Pointer to token text.  Not '\000' terminated */
  short int n;         /* Length of the token text in bytes. */
} Token;

/*
** Given a input string (which is really one of the argv[] parameters
** passed into xConnect or xCreate) split the string up into tokens.
** Return an array of pointers to '\000' terminated strings, one string
** for each non-whitespace token.
**
** The returned array is terminated by a single NULL pointer.
**
** Space to hold the returned array is obtained from a single
** malloc and should be freed by passing the return value to free().
** The individual strings within the token list are all a part of
** the single memory allocation and will all be freed at once.
*/
static char **tokenizeString(const char *z, int *pnToken){
  int nToken = 0;
  Token *aToken = malloc( strlen(z) * sizeof(aToken[0]) );
  int n = 1;
  int e, i;
  int totalSize = 0;
  char **azToken;
  char *zCopy;
  while( n>0 ){
    n = getToken(z, &e);
    if( e!=TOKEN_SPACE ){
      aToken[nToken].z = z;
      aToken[nToken].n = n;
      nToken++;
      totalSize += n+1;
    }
    z += n;
  }
  azToken = (char**)malloc( nToken*sizeof(char*) + totalSize );
  zCopy = (char*)&azToken[nToken];
  nToken--;
  for(i=0; i<nToken; i++){
    azToken[i] = zCopy;
    n = aToken[i].n;
    memcpy(zCopy, aToken[i].z, n);
    zCopy[n] = 0;
    zCopy += n+1;
  }
  azToken[nToken] = 0;
  free(aToken);
  *pnToken = nToken;
  return azToken;
}

/*
** Convert an SQL-style quoted string into a normal string by removing
** the quote characters.  The conversion is done in-place.  If the
** input does not begin with a quote character, then this routine
** is a no-op.
**
** Examples:
**
**     "abc"   becomes   abc
**     'xyz'   becomes   xyz
**     [pqr]   becomes   pqr
**     `mno`   becomes   mno
*/
void dequoteString(char *z){
  int quote;
  int i, j;
  if( z==0 ) return;
  quote = z[0];
  switch( quote ){
    case '\'':  break;
    case '"':   break;
    case '`':   break;                /* For MySQL compatibility */
    case '[':   quote = ']';  break;  /* For MS SqlServer compatibility */
    default:    return;
  }
  for(i=1, j=0; z[i]; i++){
    if( z[i]==quote ){
      if( z[i+1]==quote ){
        z[j++] = quote;
        i++;
      }else{
        z[j++] = 0;
        break;
      }
    }else{
      z[j++] = z[i];
    }
  }
}

/*
** The input azIn is a NULL-terminated list of tokens.  Remove the first
** token and all punctuation tokens.  Remove the quotes from
** around string literal tokens.
**
** Example:
**
**     input:      tokenize chinese ( 'simplifed' , 'mixed' )
**     output:     chinese simplifed mixed
**
** Another example:
**
**     input:      delimiters ( '[' , ']' , '...' )
**     output:     [ ] ...
*/
void tokenListToIdList(char **azIn){
  int i, j;
  if( azIn ){
    for(i=0, j=-1; azIn[i]; i++){
      if( isalnum(azIn[i][0]) || azIn[i][1] ){
        dequoteString(azIn[i]);
        if( j>=0 ){
          azIn[j] = azIn[i];
        }
        j++;
      }
    }
    azIn[j] = 0;
  }
}


/*
** Find the first alphanumeric token in the string zIn.  Null-terminate
** this token.  Remove any quotation marks.  And return a pointer to
** the result.
*/
static char *firstToken(char *zIn, char **pzTail){
  int i, n, ttype;
  i = 0;
  while(1){
    n = getToken(zIn, &ttype);
    if( ttype==TOKEN_SPACE ){
      zIn += n;
    }else if( ttype==TOKEN_EOF ){
      *pzTail = zIn;
      return 0;
    }else{
      zIn[n] = 0;
      *pzTail = &zIn[1];
      dequoteString(zIn);
      return zIn;
    }
  }
  /*NOTREACHED*/
}

/* Return true if...
**
**   *  s begins with the string t, ignoring case
**   *  s is longer than t
**   *  The first character of s beyond t is not a alphanumeric
** 
** Ignore leading space in *s.
**
** To put it another way, return true if the first token of
** s[] is t[].
*/
static int startsWith(const char *s, const char *t){
  while( isspace(*s) ){ s++; }
  while( *t ){
    if( tolower(*s++)!=tolower(*t++) ) return 0;
  }
  return *s!='_' && !isalnum(*s);
}

/*
** An instance of this structure defines the "spec" of a
** full text index.  This structure is populated by parseSpec
** and use by fulltextConnect and fulltextCreate.
*/
typedef struct TableSpec {
  const char *zName;       /* Name of the full-text index */
  int nColumn;             /* Number of columns to be indexed */
  char **azColumn;         /* Original names of columns to be indexed */
  char **azContentColumn;  /* Column names for %_content */
  char **azTokenizer;      /* Name of tokenizer and its arguments */
} TableSpec;

/*
** Reclaim all of the memory used by a TableSpec
*/
void clearTableSpec(TableSpec *p) {
  free(p->azColumn);
  free(p->azContentColumn);
  free(p->azTokenizer);
}

/* Parse a CREATE VIRTUAL TABLE statement, which looks like this:
 *
 * CREATE VIRTUAL TABLE email
 *        USING fts1(subject, body, tokenize mytokenizer(myarg))
 *
 * We return parsed information in a TableSpec structure.
 * 
 */
int parseSpec(TableSpec *pSpec, int argc, const char *const*argv, char**pzErr){
  int i, j, n;
  char *z, *zDummy;
  char **azArg;
  const char *zTokenizer = 0;    /* argv[] entry describing the tokenizer */

  assert( argc>=3 );
  /* Current interface:
  ** argv[0] - module name
  ** argv[1] - database name
  ** argv[2] - table name
  ** argv[3..] - columns, optionally followed by tokenizer specification
  **             and snippet delimiters specification.
  */

  /* Make a copy of the complete argv[][] array in a single allocation.
  ** The argv[][] array is read-only and transient.  We can write to the
  ** copy in order to modify things and the copy is persistent.
  */
  memset(pSpec, 0, sizeof(*pSpec));
  for(i=n=0; i<argc; i++){
    n += strlen(argv[i]) + 1;
  }
  azArg = malloc( sizeof(char*)*argc + n );
  if( azArg==0 ){
    return SQLITE_NOMEM;
  }
  z = (char*)&azArg[argc];
  for(i=0; i<argc; i++){
    azArg[i] = z;
    strcpy(z, argv[i]);
    z += strlen(z)+1;
  }

  /* Identify the column names and the tokenizer and delimiter arguments
  ** in the argv[][] array.
  */
  pSpec->zName = azArg[2];
  pSpec->nColumn = 0;
  pSpec->azColumn = azArg;
  zTokenizer = "tokenize simple";
  for(i=3, j=0; i<argc; ++i){
    if( startsWith(azArg[i],"tokenize") ){
      zTokenizer = azArg[i];
    }else{
      z = azArg[pSpec->nColumn] = firstToken(azArg[i], &zDummy);
      pSpec->nColumn++;
    }
  }
  if( pSpec->nColumn==0 ){
    azArg[0] = "content";
    pSpec->nColumn = 1;
  }

  /*
  ** Construct the list of content column names.
  **
  ** Each content column name will be of the form cNNAAAA
  ** where NN is the column number and AAAA is the sanitized
  ** column name.  "sanitized" means that special characters are
  ** converted to "_".  The cNN prefix guarantees that all column
  ** names are unique.
  **
  ** The AAAA suffix is not strictly necessary.  It is included
  ** for the convenience of people who might examine the generated
  ** %_content table and wonder what the columns are used for.
  */
  pSpec->azContentColumn = malloc( pSpec->nColumn * sizeof(char *) );
  if( pSpec->azContentColumn==0 ){
    clearTableSpec(pSpec);
    return SQLITE_NOMEM;
  }
  for(i=0; i<pSpec->nColumn; i++){
    char *p;
    pSpec->azContentColumn[i] = sqlite3_mprintf("c%d%s", i, azArg[i]);
    for (p = pSpec->azContentColumn[i]; *p ; ++p) {
      if( !isalnum(*p) ) *p = '_';
    }
  }

  /*
  ** Parse the tokenizer specification string.
  */
  pSpec->azTokenizer = tokenizeString(zTokenizer, &n);
  tokenListToIdList(pSpec->azTokenizer);

  return SQLITE_OK;
}

/*
** Generate a CREATE TABLE statement that describes the schema of
** the virtual table.  Return a pointer to this schema string.
**
** Space is obtained from sqlite3_mprintf() and should be freed
** using sqlite3_free().
*/
static char *fulltextSchema(
  int nColumn,                  /* Number of columns */
  const char *const* azColumn,  /* List of columns */
  const char *zTableName        /* Name of the table */
){
  int i;
  char *zSchema, *zNext;
  const char *zSep = "(";
  zSchema = sqlite3_mprintf("CREATE TABLE x");
  for(i=0; i<nColumn; i++){
    zNext = sqlite3_mprintf("%s%s%Q", zSchema, zSep, azColumn[i]);
    sqlite3_free(zSchema);
    zSchema = zNext;
    zSep = ",";
  }
  zNext = sqlite3_mprintf("%s,%Q)", zSchema, zTableName);
  sqlite3_free(zSchema);
  return zNext;
}

/*
** Build a new sqlite3_vtab structure that will describe the
** fulltext index defined by spec.
*/
static int constructVtab(
  sqlite3 *db,              /* The SQLite database connection */
  TableSpec *spec,          /* Parsed spec information from parseSpec() */
  sqlite3_vtab **ppVTab,    /* Write the resulting vtab structure here */
  char **pzErr              /* Write any error message here */
){
  int rc;
  int n;
  fulltext_vtab *v = 0;
  const sqlite3_tokenizer_module *m = NULL;
  char *schema;

  v = (fulltext_vtab *) malloc(sizeof(fulltext_vtab));
  if( v==0 ) return SQLITE_NOMEM;
  memset(v, 0, sizeof(*v));
  /* sqlite will initialize v->base */
  v->db = db;
  v->zName = spec->zName;   /* Freed when azColumn is freed */
  v->nColumn = spec->nColumn;
  v->azContentColumn = spec->azContentColumn;
  spec->azContentColumn = 0;
  v->azColumn = spec->azColumn;
  spec->azColumn = 0;

  if( spec->azTokenizer==0 ){
    return SQLITE_NOMEM;
  }
  /* TODO(shess) For now, add new tokenizers as else if clauses. */
  if( spec->azTokenizer[0]==0 || startsWith(spec->azTokenizer[0], "simple") ){
    sqlite3Fts1SimpleTokenizerModule(&m);
  }else if( startsWith(spec->azTokenizer[0], "porter") ){
    sqlite3Fts1PorterTokenizerModule(&m);
  }else{
    *pzErr = sqlite3_mprintf("unknown tokenizer: %s", spec->azTokenizer[0]);
    rc = SQLITE_ERROR;
    goto err;
  }
  for(n=0; spec->azTokenizer[n]; n++){}
  if( n ){
    rc = m->xCreate(n-1, (const char*const*)&spec->azTokenizer[1],
                    &v->pTokenizer);
  }else{
    rc = m->xCreate(0, 0, &v->pTokenizer);
  }
  if( rc!=SQLITE_OK ) goto err;
  v->pTokenizer->pModule = m;

  /* TODO: verify the existence of backing tables foo_content, foo_term */

  schema = fulltextSchema(v->nColumn, (const char*const*)v->azColumn,
                          spec->zName);
  rc = sqlite3_declare_vtab(db, schema);
  sqlite3_free(schema);
  if( rc!=SQLITE_OK ) goto err;

  memset(v->pFulltextStatements, 0, sizeof(v->pFulltextStatements));

  *ppVTab = &v->base;
  TRACE(("FTS1 Connect %p\n", v));

  return rc;

err:
  fulltext_vtab_destroy(v);
  return rc;
}

static int fulltextConnect(
  sqlite3 *db,
  void *pAux,
  int argc, const char *const*argv,
  sqlite3_vtab **ppVTab,
  char **pzErr
){
  TableSpec spec;
  int rc = parseSpec(&spec, argc, argv, pzErr);
  if( rc!=SQLITE_OK ) return rc;

  rc = constructVtab(db, &spec, ppVTab, pzErr);
  clearTableSpec(&spec);
  return rc;
}

  /* The %_content table holds the text of each document, with
  ** the rowid used as the docid.
  **
  ** The %_term table maps each term to a document list blob
  ** containing elements sorted by ascending docid, each element
  ** encoded as:
  **
  **   docid varint-encoded
  **   token elements:
  **     position+1 varint-encoded as delta from previous position
  **     start offset varint-encoded as delta from previous start offset
  **     end offset varint-encoded as delta from start offset
  **
  ** The sentinel position of 0 indicates the end of the token list.
  **
  ** Additionally, doclist blobs are chunked into multiple segments,
  ** using segment to order the segments.  New elements are added to
  ** the segment at segment 0, until it exceeds CHUNK_MAX.  Then
  ** segment 0 is deleted, and the doclist is inserted at segment 1.
  ** If there is already a doclist at segment 1, the segment 0 doclist
  ** is merged with it, the segment 1 doclist is deleted, and the
  ** merged doclist is inserted at segment 2, repeating those
  ** operations until an insert succeeds.
  **
  ** Since this structure doesn't allow us to update elements in place
  ** in case of deletion or update, these are simply written to
  ** segment 0 (with an empty token list in case of deletion), with
  ** docListAccumulate() taking care to retain lower-segment
  ** information in preference to higher-segment information.
  */
  /* TODO(shess) Provide a VACUUM type operation which both removes
  ** deleted elements which are no longer necessary, and duplicated
  ** elements.  I suspect this will probably not be necessary in
  ** practice, though.
  */
static int fulltextCreate(sqlite3 *db, void *pAux,
                          int argc, const char * const *argv,
                          sqlite3_vtab **ppVTab, char **pzErr){
  int rc;
  TableSpec spec;
  StringBuffer schema;
  TRACE(("FTS1 Create\n"));

  rc = parseSpec(&spec, argc, argv, pzErr);
  if( rc!=SQLITE_OK ) return rc;

  initStringBuffer(&schema);
  append(&schema, "CREATE TABLE %_content(");
  appendList(&schema, spec.nColumn, spec.azContentColumn);
  append(&schema, ")");
  rc = sql_exec(db, spec.zName, schema.s);
  free(schema.s);
  if( rc!=SQLITE_OK ) goto out;

  rc = sql_exec(db, spec.zName,
    "create table %_term(term text, segment integer, doclist blob, "
                        "primary key(term, segment));");
  if( rc!=SQLITE_OK ) goto out;

  rc = constructVtab(db, &spec, ppVTab, pzErr);

out:
  clearTableSpec(&spec);
  return rc;
}

/* Decide how to handle an SQL query. */
static int fulltextBestIndex(sqlite3_vtab *pVTab, sqlite3_index_info *pInfo){
  int i;

  for(i=0; i<pInfo->nConstraint; ++i){
    const struct sqlite3_index_constraint *pConstraint;
    pConstraint = &pInfo->aConstraint[i];
    if( pConstraint->usable ) {
      if( pConstraint->iColumn==-1 &&
          pConstraint->op==SQLITE_INDEX_CONSTRAINT_EQ ){
        pInfo->idxNum = QUERY_ROWID;      /* lookup by rowid */
      } else if( pConstraint->iColumn>=0 &&
                 pConstraint->op==SQLITE_INDEX_CONSTRAINT_MATCH ){
        /* full-text search */
        pInfo->idxNum = QUERY_FULLTEXT + pConstraint->iColumn;
      } else continue;

      pInfo->aConstraintUsage[i].argvIndex = 1;
      pInfo->aConstraintUsage[i].omit = 1;

      /* An arbitrary value for now.
       * TODO: Perhaps rowid matches should be considered cheaper than
       * full-text searches. */
      pInfo->estimatedCost = 1.0;   

      return SQLITE_OK;
    }
  }
  pInfo->idxNum = QUERY_GENERIC;
  TRACE(("FTS1 BestIndex\n"));
  return SQLITE_OK;
}

static int fulltextDisconnect(sqlite3_vtab *pVTab){
  TRACE(("FTS1 Disconnect %p\n", pVTab));
  fulltext_vtab_destroy((fulltext_vtab *)pVTab);
  return SQLITE_OK;
}

static int fulltextDestroy(sqlite3_vtab *pVTab){
  fulltext_vtab *v = (fulltext_vtab *)pVTab;
  int rc;

  TRACE(("FTS1 Destroy %p\n", pVTab));
  rc = sql_exec(v->db, v->zName,
                    "drop table %_content; drop table %_term");
  if( rc!=SQLITE_OK ) return rc;

  fulltext_vtab_destroy((fulltext_vtab *)pVTab);
  return SQLITE_OK;
}

static int fulltextOpen(sqlite3_vtab *pVTab, sqlite3_vtab_cursor **ppCursor){
  fulltext_cursor *c;

  c = (fulltext_cursor *) calloc(sizeof(fulltext_cursor), 1);
  /* sqlite will initialize c->base */
  *ppCursor = &c->base;
  TRACE(("FTS1 Open %p: %p\n", pVTab, c));

  return SQLITE_OK;
}


/* Free all of the dynamically allocated memory held by *q
*/
static void queryClear(Query *q){
  int i;
  for(i = 0; i < q->nTerms; ++i){
    free(q->pTerms[i].pTerm);
  }
  free(q->pTerms);
  memset(q, 0, sizeof(*q));
}

/* Free all of the dynamically allocated memory held by the
** Snippet
*/
static void snippetClear(Snippet *p){
  free(p->aMatch);
  free(p->zOffset);
  free(p->zSnippet);
  memset(p, 0, sizeof(*p));
}
/*
** Append a single entry to the p->aMatch[] log.
*/
static void snippetAppendMatch(
  Snippet *p,               /* Append the entry to this snippet */
  int iCol, int iTerm,      /* The column and query term */
  int iStart, int nByte     /* Offset and size of the match */
){
  int i;
  struct snippetMatch *pMatch;
  if( p->nMatch+1>=p->nAlloc ){
    p->nAlloc = p->nAlloc*2 + 10;
    p->aMatch = realloc(p->aMatch, p->nAlloc*sizeof(p->aMatch[0]) );
    if( p->aMatch==0 ){
      p->nMatch = 0;
      p->nAlloc = 0;
      return;
    }
  }
  i = p->nMatch++;
  pMatch = &p->aMatch[i];
  pMatch->iCol = iCol;
  pMatch->iTerm = iTerm;
  pMatch->iStart = iStart;
  pMatch->nByte = nByte;
}

/*
** Sizing information for the circular buffer used in snippetOffsetsOfColumn()
*/
#define FTS1_ROTOR_SZ   (32)
#define FTS1_ROTOR_MASK (FTS1_ROTOR_SZ-1)

/*
** Add entries to pSnippet->aMatch[] for every match that occurs against
** document zDoc[0..nDoc-1] which is stored in column iColumn.
*/
static void snippetOffsetsOfColumn(
  Query *pQuery,
  Snippet *pSnippet,
  int iColumn,
  const char *zDoc,
  int nDoc
){
  const sqlite3_tokenizer_module *pTModule;  /* The tokenizer module */
  sqlite3_tokenizer *pTokenizer;             /* The specific tokenizer */
  sqlite3_tokenizer_cursor *pTCursor;        /* Tokenizer cursor */
  fulltext_vtab *pVtab;                /* The full text index */
  int nColumn;                         /* Number of columns in the index */
  const QueryTerm *aTerm;              /* Query string terms */
  int nTerm;                           /* Number of query string terms */  
  int i, j;                            /* Loop counters */
  int rc;                              /* Return code */
  unsigned int match, prevMatch;       /* Phrase search bitmasks */
  const char *zToken;                  /* Next token from the tokenizer */
  int nToken;                          /* Size of zToken */
  int iBegin, iEnd, iPos;              /* Offsets of beginning and end */

  /* The following variables keep a circular buffer of the last
  ** few tokens */
  unsigned int iRotor = 0;             /* Index of current token */
  int iRotorBegin[FTS1_ROTOR_SZ];      /* Beginning offset of token */
  int iRotorLen[FTS1_ROTOR_SZ];        /* Length of token */

  pVtab = pQuery->pFts;
  nColumn = pVtab->nColumn;
  pTokenizer = pVtab->pTokenizer;
  pTModule = pTokenizer->pModule;
  rc = pTModule->xOpen(pTokenizer, zDoc, nDoc, &pTCursor);
  if( rc ) return;
  pTCursor->pTokenizer = pTokenizer;
  aTerm = pQuery->pTerms;
  nTerm = pQuery->nTerms;
  if( nTerm>=FTS1_ROTOR_SZ ){
    nTerm = FTS1_ROTOR_SZ - 1;
  }
  prevMatch = 0;
  while(1){
    rc = pTModule->xNext(pTCursor, &zToken, &nToken, &iBegin, &iEnd, &iPos);
    if( rc ) break;
    iRotorBegin[iRotor&FTS1_ROTOR_MASK] = iBegin;
    iRotorLen[iRotor&FTS1_ROTOR_MASK] = iEnd-iBegin;
    match = 0;
    for(i=0; i<nTerm; i++){
      int iCol;
      iCol = aTerm[i].iColumn;
      if( iCol>=0 && iCol<nColumn && iCol!=iColumn ) continue;
      if( aTerm[i].nTerm!=nToken ) continue;
      if( memcmp(aTerm[i].pTerm, zToken, nToken) ) continue;
      if( aTerm[i].iPhrase>1 && (prevMatch & (1<<i))==0 ) continue;
      match |= 1<<i;
      if( i==nTerm-1 || aTerm[i+1].iPhrase==1 ){
        for(j=aTerm[i].iPhrase-1; j>=0; j--){
          int k = (iRotor-j) & FTS1_ROTOR_MASK;
          snippetAppendMatch(pSnippet, iColumn, i-j,
                iRotorBegin[k], iRotorLen[k]);
        }
      }
    }
    prevMatch = match<<1;
    iRotor++;
  }
  pTModule->xClose(pTCursor);  
}


/*
** Compute all offsets for the current row of the query.  
** If the offsets have already been computed, this routine is a no-op.
*/
static void snippetAllOffsets(fulltext_cursor *p){
  int nColumn;
  int iColumn, i;
  int iFirst, iLast;
  fulltext_vtab *pFts;

  if( p->snippet.nMatch ) return;
  if( p->q.nTerms==0 ) return;
  pFts = p->q.pFts;
  nColumn = pFts->nColumn;
  iColumn = p->iCursorType;
  if( iColumn<0 || iColumn>=nColumn ){
    iFirst = 0;
    iLast = nColumn-1;
  }else{
    iFirst = iColumn;
    iLast = iColumn;
  }
  for(i=iFirst; i<=iLast; i++){
    const char *zDoc;
    int nDoc;
    zDoc = (const char*)sqlite3_column_text(p->pStmt, i+1);
    nDoc = sqlite3_column_bytes(p->pStmt, i+1);
    snippetOffsetsOfColumn(&p->q, &p->snippet, i, zDoc, nDoc);
  }
}

/*
** Convert the information in the aMatch[] array of the snippet
** into the string zOffset[0..nOffset-1].
*/
static void snippetOffsetText(Snippet *p){
  int i;
  int cnt = 0;
  StringBuffer sb;
  char zBuf[200];
  if( p->zOffset ) return;
  initStringBuffer(&sb);
  for(i=0; i<p->nMatch; i++){
    struct snippetMatch *pMatch = &p->aMatch[i];
    zBuf[0] = ' ';
    sprintf(&zBuf[cnt>0], "%d %d %d %d", pMatch->iCol,
        pMatch->iTerm, pMatch->iStart, pMatch->nByte);
    append(&sb, zBuf);
    cnt++;
  }
  p->zOffset = sb.s;
  p->nOffset = sb.len;
}

/*
** zDoc[0..nDoc-1] is phrase of text.  aMatch[0..nMatch-1] are a set
** of matching words some of which might be in zDoc.  zDoc is column
** number iCol.
**
** iBreak is suggested spot in zDoc where we could begin or end an
** excerpt.  Return a value similar to iBreak but possibly adjusted
** to be a little left or right so that the break point is better.
*/
static int wordBoundary(
  int iBreak,                   /* The suggested break point */
  const char *zDoc,             /* Document text */
  int nDoc,                     /* Number of bytes in zDoc[] */
  struct snippetMatch *aMatch,  /* Matching words */
  int nMatch,                   /* Number of entries in aMatch[] */
  int iCol                      /* The column number for zDoc[] */
){
  int i;
  if( iBreak<=10 ){
    return 0;
  }
  if( iBreak>=nDoc-10 ){
    return nDoc;
  }
  for(i=0; i<nMatch && aMatch[i].iCol<iCol; i++){}
  while( i<nMatch && aMatch[i].iStart+aMatch[i].nByte<iBreak ){ i++; }
  if( i<nMatch ){
    if( aMatch[i].iStart<iBreak+10 ){
      return aMatch[i].iStart;
    }
    if( i>0 && aMatch[i-1].iStart+aMatch[i-1].nByte>=iBreak ){
      return aMatch[i-1].iStart;
    }
  }
  for(i=1; i<=10; i++){
    if( isspace(zDoc[iBreak-i]) ){
      return iBreak - i + 1;
    }
    if( isspace(zDoc[iBreak+i]) ){
      return iBreak + i + 1;
    }
  }
  return iBreak;
}

/*
** If the StringBuffer does not end in white space, add a single
** space character to the end.
*/
static void appendWhiteSpace(StringBuffer *p){
  if( p->len==0 ) return;
  if( isspace(p->s[p->len-1]) ) return;
  append(p, " ");
}

/*
** Remove white space from teh end of the StringBuffer
*/
static void trimWhiteSpace(StringBuffer *p){
  while( p->len>0 && isspace(p->s[p->len-1]) ){
    p->len--;
  }
}



/*
** Allowed values for Snippet.aMatch[].snStatus
*/
#define SNIPPET_IGNORE  0   /* It is ok to omit this match from the snippet */
#define SNIPPET_DESIRED 1   /* We want to include this match in the snippet */

/*
** Generate the text of a snippet.
*/
static void snippetText(
  fulltext_cursor *pCursor,   /* The cursor we need the snippet for */
  const char *zStartMark,     /* Markup to appear before each match */
  const char *zEndMark,       /* Markup to appear after each match */
  const char *zEllipsis       /* Ellipsis mark */
){
  int i, j;
  struct snippetMatch *aMatch;
  int nMatch;
  int nDesired;
  StringBuffer sb;
  int tailCol;
  int tailOffset;
  int iCol;
  int nDoc;
  const char *zDoc;
  int iStart, iEnd;
  int tailEllipsis = 0;
  int iMatch;
  

  free(pCursor->snippet.zSnippet);
  pCursor->snippet.zSnippet = 0;
  aMatch = pCursor->snippet.aMatch;
  nMatch = pCursor->snippet.nMatch;
  initStringBuffer(&sb);

  for(i=0; i<nMatch; i++){
    aMatch[i].snStatus = SNIPPET_IGNORE;
  }
  nDesired = 0;
  for(i=0; i<pCursor->q.nTerms; i++){
    for(j=0; j<nMatch; j++){
      if( aMatch[j].iTerm==i ){
        aMatch[j].snStatus = SNIPPET_DESIRED;
        nDesired++;
        break;
      }
    }
  }

  iMatch = 0;
  tailCol = -1;
  tailOffset = 0;
  for(i=0; i<nMatch && nDesired>0; i++){
    if( aMatch[i].snStatus!=SNIPPET_DESIRED ) continue;
    nDesired--;
    iCol = aMatch[i].iCol;
    zDoc = (const char*)sqlite3_column_text(pCursor->pStmt, iCol+1);
    nDoc = sqlite3_column_bytes(pCursor->pStmt, iCol+1);
    iStart = aMatch[i].iStart - 40;
    iStart = wordBoundary(iStart, zDoc, nDoc, aMatch, nMatch, iCol);
    if( iStart<=10 ){
      iStart = 0;
    }
    if( iCol==tailCol && iStart<=tailOffset+20 ){
      iStart = tailOffset;
    }
    if( (iCol!=tailCol && tailCol>=0) || iStart!=tailOffset ){
      trimWhiteSpace(&sb);
      appendWhiteSpace(&sb);
      append(&sb, zEllipsis);
      appendWhiteSpace(&sb);
    }
    iEnd = aMatch[i].iStart + aMatch[i].nByte + 40;
    iEnd = wordBoundary(iEnd, zDoc, nDoc, aMatch, nMatch, iCol);
    if( iEnd>=nDoc-10 ){
      iEnd = nDoc;
      tailEllipsis = 0;
    }else{
      tailEllipsis = 1;
    }
    while( iMatch<nMatch && aMatch[iMatch].iCol<iCol ){ iMatch++; }
    while( iStart<iEnd ){
      while( iMatch<nMatch && aMatch[iMatch].iStart<iStart
             && aMatch[iMatch].iCol<=iCol ){
        iMatch++;
      }
      if( iMatch<nMatch && aMatch[iMatch].iStart<iEnd
             && aMatch[iMatch].iCol==iCol ){
        nappend(&sb, &zDoc[iStart], aMatch[iMatch].iStart - iStart);
        iStart = aMatch[iMatch].iStart;
        append(&sb, zStartMark);
        nappend(&sb, &zDoc[iStart], aMatch[iMatch].nByte);
        append(&sb, zEndMark);
        iStart += aMatch[iMatch].nByte;
        for(j=iMatch+1; j<nMatch; j++){
          if( aMatch[j].iTerm==aMatch[iMatch].iTerm
              && aMatch[j].snStatus==SNIPPET_DESIRED ){
            nDesired--;
            aMatch[j].snStatus = SNIPPET_IGNORE;
          }
        }
      }else{
        nappend(&sb, &zDoc[iStart], iEnd - iStart);
        iStart = iEnd;
      }
    }
    tailCol = iCol;
    tailOffset = iEnd;
  }
  trimWhiteSpace(&sb);
  if( tailEllipsis ){
    appendWhiteSpace(&sb);
    append(&sb, zEllipsis);
  }
  pCursor->snippet.zSnippet = sb.s;
  pCursor->snippet.nSnippet = sb.len;  
}


/*
** Close the cursor.  For additional information see the documentation
** on the xClose method of the virtual table interface.
*/
static int fulltextClose(sqlite3_vtab_cursor *pCursor){
  fulltext_cursor *c = (fulltext_cursor *) pCursor;
  TRACE(("FTS1 Close %p\n", c));
  sqlite3_finalize(c->pStmt);
  queryClear(&c->q);
  snippetClear(&c->snippet);
  if( c->result.pDoclist!=NULL ){
    docListDelete(c->result.pDoclist);
  }
  free(c);
  return SQLITE_OK;
}

static int fulltextNext(sqlite3_vtab_cursor *pCursor){
  fulltext_cursor *c = (fulltext_cursor *) pCursor;
  sqlite_int64 iDocid;
  int rc;

  TRACE(("FTS1 Next %p\n", pCursor));
  snippetClear(&c->snippet);
  if( c->iCursorType < QUERY_FULLTEXT ){
    /* TODO(shess) Handle SQLITE_SCHEMA AND SQLITE_BUSY. */
    rc = sqlite3_step(c->pStmt);
    switch( rc ){
      case SQLITE_ROW:
        c->eof = 0;
        return SQLITE_OK;
      case SQLITE_DONE:
        c->eof = 1;
        return SQLITE_OK;
      default:
        c->eof = 1;
        return rc;
    }
  } else {  /* full-text query */
    rc = sqlite3_reset(c->pStmt);
    if( rc!=SQLITE_OK ) return rc;

    iDocid = nextDocid(&c->result);
    if( iDocid==0 ){
      c->eof = 1;
      return SQLITE_OK;
    }
    rc = sqlite3_bind_int64(c->pStmt, 1, iDocid);
    if( rc!=SQLITE_OK ) return rc;
    /* TODO(shess) Handle SQLITE_SCHEMA AND SQLITE_BUSY. */
    rc = sqlite3_step(c->pStmt);
    if( rc==SQLITE_ROW ){   /* the case we expect */
      c->eof = 0;
      return SQLITE_OK;
    }
    /* an error occurred; abort */
    return rc==SQLITE_DONE ? SQLITE_ERROR : rc;
  }
}


/* Return a DocList corresponding to the query term *pTerm.  If *pTerm
** is the first term of a phrase query, go ahead and evaluate the phrase
** query and return the doclist for the entire phrase query.
**
** The result is stored in pTerm->doclist.
*/
static int docListOfTerm(
  fulltext_vtab *v,     /* The full text index */
  int iColumn,          /* column to restrict to.  No restrition if >=nColumn */
  QueryTerm *pQTerm,    /* Term we are looking for, or 1st term of a phrase */
  DocList **ppResult    /* Write the result here */
){
  DocList *pLeft, *pRight, *pNew;
  int i, rc;

  pLeft = docListNew(DL_POSITIONS);
  rc = term_select_all(v, iColumn, pQTerm->pTerm, pQTerm->nTerm, pLeft);
  if( rc ) return rc;
  for(i=1; i<=pQTerm->nPhrase; i++){
    pRight = docListNew(DL_POSITIONS);
    rc = term_select_all(v, iColumn, pQTerm[i].pTerm, pQTerm[i].nTerm, pRight);
    if( rc ){
      docListDelete(pLeft);
      return rc;
    }
    pNew = docListNew(i<pQTerm->nPhrase ? DL_POSITIONS : DL_DOCIDS);
    docListPhraseMerge(pLeft, pRight, pNew);
    docListDelete(pLeft);
    docListDelete(pRight);
    pLeft = pNew;
  }
  *ppResult = pLeft;
  return SQLITE_OK;
}

/* Add a new term pTerm[0..nTerm-1] to the query *q.
*/
static void queryAdd(Query *q, const char *pTerm, int nTerm){
  QueryTerm *t;
  ++q->nTerms;
  q->pTerms = realloc(q->pTerms, q->nTerms * sizeof(q->pTerms[0]));
  if( q->pTerms==0 ){
    q->nTerms = 0;
    return;
  }
  t = &q->pTerms[q->nTerms - 1];
  memset(t, 0, sizeof(*t));
  t->pTerm = malloc(nTerm+1);
  memcpy(t->pTerm, pTerm, nTerm);
  t->pTerm[nTerm] = 0;
  t->nTerm = nTerm;
  t->isOr = q->nextIsOr;
  q->nextIsOr = 0;
  t->iColumn = q->nextColumn;
  q->nextColumn = q->dfltColumn;
}

/*
** Check to see if the string zToken[0...nToken-1] matches any
** column name in the virtual table.   If it does,
** return the zero-indexed column number.  If not, return -1.
*/
static int checkColumnSpecifier(
  fulltext_vtab *pVtab,    /* The virtual table */
  const char *zToken,      /* Text of the token */
  int nToken               /* Number of characters in the token */
){
  int i;
  for(i=0; i<pVtab->nColumn; i++){
    if( memcmp(pVtab->azColumn[i], zToken, nToken)==0
        && pVtab->azColumn[i][nToken]==0 ){
      return i;
    }
  }
  return -1;
}

/*
** Parse the text at pSegment[0..nSegment-1].  Add additional terms
** to the query being assemblied in pQuery.
**
** inPhrase is true if pSegment[0..nSegement-1] is contained within
** double-quotes.  If inPhrase is true, then the first term
** is marked with the number of terms in the phrase less one and
** OR and "-" syntax is ignored.  If inPhrase is false, then every
** term found is marked with nPhrase=0 and OR and "-" syntax is significant.
*/
static int tokenizeSegment(
  sqlite3_tokenizer *pTokenizer,          /* The tokenizer to use */
  const char *pSegment, int nSegment,     /* Query expression being parsed */
  int inPhrase,                           /* True if within "..." */
  Query *pQuery                           /* Append results here */
){
  const sqlite3_tokenizer_module *pModule = pTokenizer->pModule;
  sqlite3_tokenizer_cursor *pCursor;
  int firstIndex = pQuery->nTerms;
  int iCol;
  int nTerm = 1;
  
  int rc = pModule->xOpen(pTokenizer, pSegment, nSegment, &pCursor);
  if( rc!=SQLITE_OK ) return rc;
  pCursor->pTokenizer = pTokenizer;

  while( 1 ){
    const char *pToken;
    int nToken, iBegin, iEnd, iPos;

    rc = pModule->xNext(pCursor,
                        &pToken, &nToken,
                        &iBegin, &iEnd, &iPos);
    if( rc!=SQLITE_OK ) break;
    if( !inPhrase &&
        pSegment[iEnd]==':' &&
         (iCol = checkColumnSpecifier(pQuery->pFts, pToken, nToken))>=0 ){
      pQuery->nextColumn = iCol;
      continue;
    }
    if( !inPhrase && pQuery->nTerms>0 && nToken==2
         && pSegment[iBegin]=='O' && pSegment[iBegin+1]=='R' ){
      pQuery->nextIsOr = 1;
      continue;
    }
    queryAdd(pQuery, pToken, nToken);
    if( !inPhrase && iBegin>0 && pSegment[iBegin-1]=='-' ){
      pQuery->pTerms[pQuery->nTerms-1].isNot = 1;
    }
    pQuery->pTerms[pQuery->nTerms-1].iPhrase = nTerm;
    if( inPhrase ){
      nTerm++;
    }
  }

  if( inPhrase && pQuery->nTerms>firstIndex ){
    pQuery->pTerms[firstIndex].nPhrase = pQuery->nTerms - firstIndex - 1;
  }

  return pModule->xClose(pCursor);
}

/* Parse a query string, yielding a Query object pQuery.
**
** The calling function will need to queryClear() to clean up
** the dynamically allocated memory held by pQuery.
*/
static int parseQuery(
  fulltext_vtab *v,        /* The fulltext index */
  const char *zInput,      /* Input text of the query string */
  int nInput,              /* Size of the input text */
  int dfltColumn,          /* Default column of the index to match against */
  Query *pQuery            /* Write the parse results here. */
){
  int iInput, inPhrase = 0;

  if( zInput==0 ) nInput = 0;
  if( nInput<0 ) nInput = strlen(zInput);
  pQuery->nTerms = 0;
  pQuery->pTerms = NULL;
  pQuery->nextIsOr = 0;
  pQuery->nextColumn = dfltColumn;
  pQuery->dfltColumn = dfltColumn;
  pQuery->pFts = v;

  for(iInput=0; iInput<nInput; ++iInput){
    int i;
    for(i=iInput; i<nInput && zInput[i]!='"'; ++i){}
    if( i>iInput ){
      tokenizeSegment(v->pTokenizer, zInput+iInput, i-iInput, inPhrase,
                       pQuery);
    }
    iInput = i;
    if( i<nInput ){
      assert( zInput[i]=='"' );
      inPhrase = !inPhrase;
    }
  }

  if( inPhrase ){
    /* unmatched quote */
    queryClear(pQuery);
    return SQLITE_ERROR;
  }
  return SQLITE_OK;
}

/* Perform a full-text query using the search expression in
** zInput[0..nInput-1].  Return a list of matching documents
** in pResult.
**
** Queries must match column iColumn.  Or if iColumn>=nColumn
** they are allowed to match against any column.
*/
static int fulltextQuery(
  fulltext_vtab *v,      /* The full text index */
  int iColumn,           /* Match against this column by default */
  const char *zInput,    /* The query string */
  int nInput,            /* Number of bytes in zInput[] */
  DocList **pResult,     /* Write the result doclist here */
  Query *pQuery          /* Put parsed query string here */
){
  int i, iNext, rc;
  DocList *pLeft = NULL;
  DocList *pRight, *pNew, *pOr;
  int nNot = 0;
  QueryTerm *aTerm;

  rc = parseQuery(v, zInput, nInput, iColumn, pQuery);
  if( rc!=SQLITE_OK ) return rc;

  /* Merge AND terms. */
  aTerm = pQuery->pTerms;
  for(i = 0; i<pQuery->nTerms; i=iNext){
    if( aTerm[i].isNot ){
      /* Handle all NOT terms in a separate pass */
      nNot++;
      iNext = i + aTerm[i].nPhrase+1;
      continue;
    }
    iNext = i + aTerm[i].nPhrase + 1;
    rc = docListOfTerm(v, aTerm[i].iColumn, &aTerm[i], &pRight);
    if( rc ){
      queryClear(pQuery);
      return rc;
    }
    while( iNext<pQuery->nTerms && aTerm[iNext].isOr ){
      rc = docListOfTerm(v, aTerm[iNext].iColumn, &aTerm[iNext], &pOr);
      iNext += aTerm[iNext].nPhrase + 1;
      if( rc ){
        queryClear(pQuery);
        return rc;
      }
      pNew = docListNew(DL_DOCIDS);
      docListOrMerge(pRight, pOr, pNew);
      docListDelete(pRight);
      docListDelete(pOr);
      pRight = pNew;
    }
    if( pLeft==0 ){
      pLeft = pRight;
    }else{
      pNew = docListNew(DL_DOCIDS);
      docListAndMerge(pLeft, pRight, pNew);
      docListDelete(pRight);
      docListDelete(pLeft);
      pLeft = pNew;
    }
  }

  if( nNot && pLeft==0 ){
    /* We do not yet know how to handle a query of only NOT terms */
    return SQLITE_ERROR;
  }

  /* Do the EXCEPT terms */
  for(i=0; i<pQuery->nTerms;  i += aTerm[i].nPhrase + 1){
    if( !aTerm[i].isNot ) continue;
    rc = docListOfTerm(v, aTerm[i].iColumn, &aTerm[i], &pRight);
    if( rc ){
      queryClear(pQuery);
      docListDelete(pLeft);
      return rc;
    }
    pNew = docListNew(DL_DOCIDS);
    docListExceptMerge(pLeft, pRight, pNew);
    docListDelete(pRight);
    docListDelete(pLeft);
    pLeft = pNew;
  }

  *pResult = pLeft;
  return rc;
}

/*
** This is the xFilter interface for the virtual table.  See
** the virtual table xFilter method documentation for additional
** information.
**
** If idxNum==QUERY_GENERIC then do a full table scan against
** the %_content table.
**
** If idxNum==QUERY_ROWID then do a rowid lookup for a single entry
** in the %_content table.
**
** If idxNum>=QUERY_FULLTEXT then use the full text index.  The
** column on the left-hand side of the MATCH operator is column
** number idxNum-QUERY_FULLTEXT, 0 indexed.  argv[0] is the right-hand
** side of the MATCH operator.
*/
static int fulltextFilter(
  sqlite3_vtab_cursor *pCursor,     /* The cursor used for this query */
  int idxNum, const char *idxStr,   /* Which indexing scheme to use */
  int argc, sqlite3_value **argv    /* Arguments for the indexing scheme */
){
  fulltext_cursor *c = (fulltext_cursor *) pCursor;
  fulltext_vtab *v = cursor_vtab(c);
  int rc;
  char *zSql;

  TRACE(("FTS1 Filter %p\n",pCursor));

  zSql = sqlite3_mprintf("select rowid, * from %%_content %s",
                          idxNum==QUERY_GENERIC ? "" : "where rowid=?");
  rc = sql_prepare(v->db, v->zName, &c->pStmt, zSql);
  sqlite3_free(zSql);
  if( rc!=SQLITE_OK ) goto out;

  c->iCursorType = idxNum;
  switch( idxNum ){
    case QUERY_GENERIC:
      break;

    case QUERY_ROWID:
      rc = sqlite3_bind_int64(c->pStmt, 1, sqlite3_value_int64(argv[0]));
      if( rc!=SQLITE_OK ) goto out;
      break;

    default:   /* full-text search */
    {
      const char *zQuery = (const char *)sqlite3_value_text(argv[0]);
      DocList *pResult;
      assert( idxNum<=QUERY_FULLTEXT+v->nColumn);
      assert( argc==1 );
      queryClear(&c->q);
      rc = fulltextQuery(v, idxNum-QUERY_FULLTEXT, zQuery, -1, &pResult, &c->q);
      if( rc!=SQLITE_OK ) goto out;
      readerInit(&c->result, pResult);
      break;
    }
  }

  rc = fulltextNext(pCursor);

out:
  return rc;
}

/* This is the xEof method of the virtual table.  The SQLite core
** calls this routine to find out if it has reached the end of
** a query's results set.
*/
static int fulltextEof(sqlite3_vtab_cursor *pCursor){
  fulltext_cursor *c = (fulltext_cursor *) pCursor;
  return c->eof;
}

/* This is the xColumn method of the virtual table.  The SQLite
** core calls this method during a query when it needs the value
** of a column from the virtual table.  This method needs to use
** one of the sqlite3_result_*() routines to store the requested
** value back in the pContext.
*/
static int fulltextColumn(sqlite3_vtab_cursor *pCursor,
                          sqlite3_context *pContext, int idxCol){
  fulltext_cursor *c = (fulltext_cursor *) pCursor;
  fulltext_vtab *v = cursor_vtab(c);

  if( idxCol<v->nColumn ){
    sqlite3_value *pVal = sqlite3_column_value(c->pStmt, idxCol+1);
    sqlite3_result_value(pContext, pVal);
  }else if( idxCol==v->nColumn ){
    /* The extra column whose name is the same as the table.
    ** Return a blob which is a pointer to the cursor
    */
    sqlite3_result_blob(pContext, &c, sizeof(c), SQLITE_TRANSIENT);
  }
  return SQLITE_OK;
}

/* This is the xRowid method.  The SQLite core calls this routine to
** retrive the rowid for the current row of the result set.  The
** rowid should be written to *pRowid.
*/
static int fulltextRowid(sqlite3_vtab_cursor *pCursor, sqlite_int64 *pRowid){
  fulltext_cursor *c = (fulltext_cursor *) pCursor;

  *pRowid = sqlite3_column_int64(c->pStmt, 0);
  return SQLITE_OK;
}

/* Add all terms in [zText] to the given hash table.  If [iColumn] > 0,
 * we also store positions and offsets in the hash table using the given
 * column number. */
static int buildTerms(fulltext_vtab *v, fts1Hash *terms, sqlite_int64 iDocid,
                      const char *zText, int iColumn){
  sqlite3_tokenizer *pTokenizer = v->pTokenizer;
  sqlite3_tokenizer_cursor *pCursor;
  const char *pToken;
  int nTokenBytes;
  int iStartOffset, iEndOffset, iPosition;
  int rc;

  rc = pTokenizer->pModule->xOpen(pTokenizer, zText, -1, &pCursor);
  if( rc!=SQLITE_OK ) return rc;

  pCursor->pTokenizer = pTokenizer;
  while( SQLITE_OK==pTokenizer->pModule->xNext(pCursor,
                                               &pToken, &nTokenBytes,
                                               &iStartOffset, &iEndOffset,
                                               &iPosition) ){
    DocList *p;

    /* Positions can't be negative; we use -1 as a terminator internally. */
    if( iPosition<0 ){
      pTokenizer->pModule->xClose(pCursor);
      return SQLITE_ERROR;
    }

    p = fts1HashFind(terms, pToken, nTokenBytes);
    if( p==NULL ){
      p = docListNew(DL_DEFAULT);
      docListAddDocid(p, iDocid);
      fts1HashInsert(terms, pToken, nTokenBytes, p);
    }
    if( iColumn>=0 ){
      docListAddPosOffset(p, iColumn, iPosition, iStartOffset, iEndOffset);
    }
  }

  /* TODO(shess) Check return?  Should this be able to cause errors at
  ** this point?  Actually, same question about sqlite3_finalize(),
  ** though one could argue that failure there means that the data is
  ** not durable.  *ponder*
  */
  pTokenizer->pModule->xClose(pCursor);
  return rc;
}

/* Update the %_terms table to map the term [pTerm] to the given rowid. */
static int index_insert_term(fulltext_vtab *v, const char *pTerm, int nTerm,
                             DocList *d){
  sqlite_int64 iIndexRow;
  DocList doclist;
  int iSegment = 0, rc;

  rc = term_select(v, pTerm, nTerm, iSegment, &iIndexRow, &doclist);
  if( rc==SQLITE_DONE ){
    docListInit(&doclist, DL_DEFAULT, 0, 0);
    docListUpdate(&doclist, d);
    /* TODO(shess) Consider length(doclist)>CHUNK_MAX? */
    rc = term_insert(v, NULL, pTerm, nTerm, iSegment, &doclist);
    goto err;
  }
  if( rc!=SQLITE_ROW ) return SQLITE_ERROR;

  docListUpdate(&doclist, d);
  if( doclist.nData<=CHUNK_MAX ){
    rc = term_update(v, iIndexRow, &doclist);
    goto err;
  }

  /* Doclist doesn't fit, delete what's there, and accumulate
  ** forward.
  */
  rc = term_delete(v, iIndexRow);
  if( rc!=SQLITE_OK ) goto err;

  /* Try to insert the doclist into a higher segment bucket.  On
  ** failure, accumulate existing doclist with the doclist from that
  ** bucket, and put results in the next bucket.
  */
  iSegment++;
  while( (rc=term_insert(v, &iIndexRow, pTerm, nTerm, iSegment,
                         &doclist))!=SQLITE_OK ){
    sqlite_int64 iSegmentRow;
    DocList old;
    int rc2;

    /* Retain old error in case the term_insert() error was really an
    ** error rather than a bounced insert.
    */
    rc2 = term_select(v, pTerm, nTerm, iSegment, &iSegmentRow, &old);
    if( rc2!=SQLITE_ROW ) goto err;

    rc = term_delete(v, iSegmentRow);
    if( rc!=SQLITE_OK ) goto err;

    /* Reusing lowest-number deleted row keeps the index smaller. */
    if( iSegmentRow<iIndexRow ) iIndexRow = iSegmentRow;

    /* doclist contains the newer data, so accumulate it over old.
    ** Then steal accumulated data for doclist.
    */
    docListAccumulate(&old, &doclist);
    docListDestroy(&doclist);
    doclist = old;

    iSegment++;
  }

 err:
  docListDestroy(&doclist);
  return rc;
}

/* Add doclists for all terms in [pValues] to the hash table [terms]. */
static int insertTerms(fulltext_vtab *v, fts1Hash *terms, sqlite_int64 iRowid,
                sqlite3_value **pValues){
  int i;
  for(i = 0; i < v->nColumn ; ++i){
    char *zText = (char*)sqlite3_value_text(pValues[i]);
    int rc = buildTerms(v, terms, iRowid, zText, i);
    if( rc!=SQLITE_OK ) return rc;
  }
  return SQLITE_OK;
}

/* Add empty doclists for all terms in the given row's content to the hash
 * table [pTerms]. */
static int deleteTerms(fulltext_vtab *v, fts1Hash *pTerms, sqlite_int64 iRowid){
  const char **pValues;
  int i;

  int rc = content_select(v, iRowid, &pValues);
  if( rc!=SQLITE_OK ) return rc;

  for(i = 0 ; i < v->nColumn; ++i) {
    rc = buildTerms(v, pTerms, iRowid, pValues[i], -1);
    if( rc!=SQLITE_OK ) break;
  }

  freeStringArray(v->nColumn, pValues);
  return SQLITE_OK;
}

/* Insert a row into the %_content table; set *piRowid to be the ID of the
 * new row.  Fill [pTerms] with new doclists for the %_term table. */
static int index_insert(fulltext_vtab *v, sqlite3_value *pRequestRowid,
                        sqlite3_value **pValues,
                        sqlite_int64 *piRowid, fts1Hash *pTerms){
  int rc;

  rc = content_insert(v, pRequestRowid, pValues);  /* execute an SQL INSERT */
  if( rc!=SQLITE_OK ) return rc;
  *piRowid = sqlite3_last_insert_rowid(v->db);
  return insertTerms(v, pTerms, *piRowid, pValues);
}

/* Delete a row from the %_content table; fill [pTerms] with empty doclists
 * to be written to the %_term table. */
static int index_delete(fulltext_vtab *v, sqlite_int64 iRow, fts1Hash *pTerms){
  int rc = deleteTerms(v, pTerms, iRow);
  if( rc!=SQLITE_OK ) return rc;
  return content_delete(v, iRow);  /* execute an SQL DELETE */
}

/* Update a row in the %_content table; fill [pTerms] with new doclists for the
 * %_term table. */
static int index_update(fulltext_vtab *v, sqlite_int64 iRow,
                        sqlite3_value **pValues, fts1Hash *pTerms){
  /* Generate an empty doclist for each term that previously appeared in this
   * row. */
  int rc = deleteTerms(v, pTerms, iRow);
  if( rc!=SQLITE_OK ) return rc;

  /* Now add positions for terms which appear in the updated row. */
  rc = insertTerms(v, pTerms, iRow, pValues);
  if( rc!=SQLITE_OK ) return rc;

  return content_update(v, pValues, iRow);  /* execute an SQL UPDATE */
}

/* This function implements the xUpdate callback; it's the top-level entry
 * point for inserting, deleting or updating a row in a full-text table. */
static int fulltextUpdate(sqlite3_vtab *pVtab, int nArg, sqlite3_value **ppArg,
                   sqlite_int64 *pRowid){
  fulltext_vtab *v = (fulltext_vtab *) pVtab;
  fts1Hash terms;   /* maps term string -> PosList */
  int rc;
  fts1HashElem *e;

  TRACE(("FTS1 Update %p\n", pVtab));
  
  fts1HashInit(&terms, FTS1_HASH_STRING, 1);

  if( nArg<2 ){
    rc = index_delete(v, sqlite3_value_int64(ppArg[0]), &terms);
  } else if( sqlite3_value_type(ppArg[0]) != SQLITE_NULL ){
    /* An update:
     * ppArg[0] = old rowid
     * ppArg[1] = new rowid
     * ppArg[2..2+v->nColumn-1] = values
     * ppArg[2+v->nColumn] = value for magic column (we ignore this)
     */
    sqlite_int64 rowid = sqlite3_value_int64(ppArg[0]);
    if( sqlite3_value_type(ppArg[1]) != SQLITE_INTEGER ||
      sqlite3_value_int64(ppArg[1]) != rowid ){
      rc = SQLITE_ERROR;  /* we don't allow changing the rowid */
    } else {
      assert( nArg==2+v->nColumn+1);
      rc = index_update(v, rowid, &ppArg[2], &terms);
    }
  } else {
    /* An insert:
     * ppArg[1] = requested rowid
     * ppArg[2..2+v->nColumn-1] = values
     * ppArg[2+v->nColumn] = value for magic column (we ignore this)
     */
    assert( nArg==2+v->nColumn+1);
    rc = index_insert(v, ppArg[1], &ppArg[2], pRowid, &terms);
  }

  if( rc==SQLITE_OK ){
    /* Write updated doclists to disk. */
    for(e=fts1HashFirst(&terms); e; e=fts1HashNext(e)){
      DocList *p = fts1HashData(e);
      rc = index_insert_term(v, fts1HashKey(e), fts1HashKeysize(e), p);
      if( rc!=SQLITE_OK ) break;
    }
  }

  /* clean up */
  for(e=fts1HashFirst(&terms); e; e=fts1HashNext(e)){
    DocList *p = fts1HashData(e);
    docListDelete(p);
  }
  fts1HashClear(&terms);

  return rc;
}

/*
** Implementation of the snippet() function for FTS1
*/
static void snippetFunc(
  sqlite3_context *pContext,
  int argc,
  sqlite3_value **argv
){
  fulltext_cursor *pCursor;
  if( argc<1 ) return;
  if( sqlite3_value_type(argv[0])!=SQLITE_BLOB ||
      sqlite3_value_bytes(argv[0])!=sizeof(pCursor) ){
    sqlite3_result_error(pContext, "illegal first argument to html_snippet",-1);
  }else{
    const char *zStart = "<b>";
    const char *zEnd = "</b>";
    const char *zEllipsis = "<b>...</b>";
    memcpy(&pCursor, sqlite3_value_blob(argv[0]), sizeof(pCursor));
    if( argc>=2 ){
      zStart = (const char*)sqlite3_value_text(argv[1]);
      if( argc>=3 ){
        zEnd = (const char*)sqlite3_value_text(argv[2]);
        if( argc>=4 ){
          zEllipsis = (const char*)sqlite3_value_text(argv[3]);
        }
      }
    }
    snippetAllOffsets(pCursor);
    snippetText(pCursor, zStart, zEnd, zEllipsis);
    sqlite3_result_text(pContext, pCursor->snippet.zSnippet,
                        pCursor->snippet.nSnippet, SQLITE_STATIC);
  }
}

/*
** Implementation of the offsets() function for FTS1
*/
static void snippetOffsetsFunc(
  sqlite3_context *pContext,
  int argc,
  sqlite3_value **argv
){
  fulltext_cursor *pCursor;
  if( argc<1 ) return;
  if( sqlite3_value_type(argv[0])!=SQLITE_BLOB ||
      sqlite3_value_bytes(argv[0])!=sizeof(pCursor) ){
    sqlite3_result_error(pContext, "illegal first argument to offsets",-1);
  }else{
    memcpy(&pCursor, sqlite3_value_blob(argv[0]), sizeof(pCursor));
    snippetAllOffsets(pCursor);
    snippetOffsetText(&pCursor->snippet);
    sqlite3_result_text(pContext,
                        pCursor->snippet.zOffset, pCursor->snippet.nOffset,
                        SQLITE_STATIC);
  }
}

/*
** This routine implements the xFindFunction method for the FTS1
** virtual table.
*/
static int fulltextFindFunction(
  sqlite3_vtab *pVtab,
  int nArg,
  const char *zName,
  void (**pxFunc)(sqlite3_context*,int,sqlite3_value**),
  void **ppArg
){
  if( strcmp(zName,"snippet")==0 ){
    *pxFunc = snippetFunc;
    return 1;
  }else if( strcmp(zName,"offsets")==0 ){
    *pxFunc = snippetOffsetsFunc;
    return 1;
  }
  return 0;
}

static const sqlite3_module fulltextModule = {
  /* iVersion      */ 0,
  /* xCreate       */ fulltextCreate,
  /* xConnect      */ fulltextConnect,
  /* xBestIndex    */ fulltextBestIndex,
  /* xDisconnect   */ fulltextDisconnect,
  /* xDestroy      */ fulltextDestroy,
  /* xOpen         */ fulltextOpen,
  /* xClose        */ fulltextClose,
  /* xFilter       */ fulltextFilter,
  /* xNext         */ fulltextNext,
  /* xEof          */ fulltextEof,
  /* xColumn       */ fulltextColumn,
  /* xRowid        */ fulltextRowid,
  /* xUpdate       */ fulltextUpdate,
  /* xBegin        */ 0, 
  /* xSync         */ 0,
  /* xCommit       */ 0,
  /* xRollback     */ 0,
  /* xFindFunction */ fulltextFindFunction,
};

int sqlite3Fts1Init(sqlite3 *db){
  sqlite3_overload_function(db, "snippet", -1);
  sqlite3_overload_function(db, "offsets", -1);
  return sqlite3_create_module(db, "fts1", &fulltextModule, 0);
}

#if !SQLITE_CORE
int sqlite3_extension_init(sqlite3 *db, char **pzErrMsg,
                           const sqlite3_api_routines *pApi){
  SQLITE_EXTENSION_INIT2(pApi)
  return sqlite3Fts1Init(db);
}
#endif

#endif /* !defined(SQLITE_CORE) || defined(SQLITE_ENABLE_FTS1) */

Added SQLite.Interop/src/fts1.h.























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#include "sqlite3.h"

#ifdef __cplusplus
extern "C" {
#endif  /* __cplusplus */

int sqlite3Fts1Init(sqlite3 *db);

#ifdef __cplusplus
}  /* extern "C" */
#endif  /* __cplusplus */

Added SQLite.Interop/src/fts1_hash.c.



































































































































































































































































































































































































































































































































































































































































































































































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/*
** 2001 September 22
**
** The author disclaims copyright to this source code.  In place of
** a legal notice, here is a blessing:
**
**    May you do good and not evil.
**    May you find forgiveness for yourself and forgive others.
**    May you share freely, never taking more than you give.
**
*************************************************************************
** This is the implementation of generic hash-tables used in SQLite.
** We've modified it slightly to serve as a standalone hash table
** implementation for the full-text indexing module.
*/
#include <assert.h>
#include <stdlib.h>
#include <string.h>

/*
** The code in this file is only compiled if:
**
**     * The FTS1 module is being built as an extension
**       (in which case SQLITE_CORE is not defined), or
**
**     * The FTS1 module is being built into the core of
**       SQLite (in which case SQLITE_ENABLE_FTS1 is defined).
*/
#if !defined(SQLITE_CORE) || defined(SQLITE_ENABLE_FTS1)


#include "fts1_hash.h"

static void *malloc_and_zero(int n){
  void *p = malloc(n);
  if( p ){
    memset(p, 0, n);
  }
  return p;
}

/* Turn bulk memory into a hash table object by initializing the
** fields of the Hash structure.
**
** "pNew" is a pointer to the hash table that is to be initialized.
** keyClass is one of the constants 
** FTS1_HASH_BINARY or FTS1_HASH_STRING.  The value of keyClass 
** determines what kind of key the hash table will use.  "copyKey" is
** true if the hash table should make its own private copy of keys and
** false if it should just use the supplied pointer.
*/
void sqlite3Fts1HashInit(fts1Hash *pNew, int keyClass, int copyKey){
  assert( pNew!=0 );
  assert( keyClass>=FTS1_HASH_STRING && keyClass<=FTS1_HASH_BINARY );
  pNew->keyClass = keyClass;
  pNew->copyKey = copyKey;
  pNew->first = 0;
  pNew->count = 0;
  pNew->htsize = 0;
  pNew->ht = 0;
  pNew->xMalloc = malloc_and_zero;
  pNew->xFree = free;
}

/* Remove all entries from a hash table.  Reclaim all memory.
** Call this routine to delete a hash table or to reset a hash table
** to the empty state.
*/
void sqlite3Fts1HashClear(fts1Hash *pH){
  fts1HashElem *elem;         /* For looping over all elements of the table */

  assert( pH!=0 );
  elem = pH->first;
  pH->first = 0;
  if( pH->ht ) pH->xFree(pH->ht);
  pH->ht = 0;
  pH->htsize = 0;
  while( elem ){
    fts1HashElem *next_elem = elem->next;
    if( pH->copyKey && elem->pKey ){
      pH->xFree(elem->pKey);
    }
    pH->xFree(elem);
    elem = next_elem;
  }
  pH->count = 0;
}

/*
** Hash and comparison functions when the mode is FTS1_HASH_STRING
*/
static int strHash(const void *pKey, int nKey){
  const char *z = (const char *)pKey;
  int h = 0;
  if( nKey<=0 ) nKey = (int) strlen(z);
  while( nKey > 0  ){
    h = (h<<3) ^ h ^ *z++;
    nKey--;
  }
  return h & 0x7fffffff;
}
static int strCompare(const void *pKey1, int n1, const void *pKey2, int n2){
  if( n1!=n2 ) return 1;
  return strncmp((const char*)pKey1,(const char*)pKey2,n1);
}

/*
** Hash and comparison functions when the mode is FTS1_HASH_BINARY
*/
static int binHash(const void *pKey, int nKey){
  int h = 0;
  const char *z = (const char *)pKey;
  while( nKey-- > 0 ){
    h = (h<<3) ^ h ^ *(z++);
  }
  return h & 0x7fffffff;
}
static int binCompare(const void *pKey1, int n1, const void *pKey2, int n2){
  if( n1!=n2 ) return 1;
  return memcmp(pKey1,pKey2,n1);
}

/*
** Return a pointer to the appropriate hash function given the key class.
**
** The C syntax in this function definition may be unfamilar to some 
** programmers, so we provide the following additional explanation:
**
** The name of the function is "hashFunction".  The function takes a
** single parameter "keyClass".  The return value of hashFunction()
** is a pointer to another function.  Specifically, the return value
** of hashFunction() is a pointer to a function that takes two parameters
** with types "const void*" and "int" and returns an "int".
*/
static int (*hashFunction(int keyClass))(const void*,int){
  if( keyClass==FTS1_HASH_STRING ){
    return &strHash;
  }else{
    assert( keyClass==FTS1_HASH_BINARY );
    return &binHash;
  }
}

/*
** Return a pointer to the appropriate hash function given the key class.
**
** For help in interpreted the obscure C code in the function definition,
** see the header comment on the previous function.
*/
static int (*compareFunction(int keyClass))(const void*,int,const void*,int){
  if( keyClass==FTS1_HASH_STRING ){
    return &strCompare;
  }else{
    assert( keyClass==FTS1_HASH_BINARY );
    return &binCompare;
  }
}

/* Link an element into the hash table
*/
static void insertElement(
  fts1Hash *pH,            /* The complete hash table */
  struct _fts1ht *pEntry,  /* The entry into which pNew is inserted */
  fts1HashElem *pNew       /* The element to be inserted */
){
  fts1HashElem *pHead;     /* First element already in pEntry */
  pHead = pEntry->chain;
  if( pHead ){
    pNew->next = pHead;
    pNew->prev = pHead->prev;
    if( pHead->prev ){ pHead->prev->next = pNew; }
    else             { pH->first = pNew; }
    pHead->prev = pNew;
  }else{
    pNew->next = pH->first;
    if( pH->first ){ pH->first->prev = pNew; }
    pNew->prev = 0;
    pH->first = pNew;
  }
  pEntry->count++;
  pEntry->chain = pNew;
}


/* Resize the hash table so that it cantains "new_size" buckets.
** "new_size" must be a power of 2.  The hash table might fail 
** to resize if sqliteMalloc() fails.
*/
static void rehash(fts1Hash *pH, int new_size){
  struct _fts1ht *new_ht;          /* The new hash table */
  fts1HashElem *elem, *next_elem;  /* For looping over existing elements */
  int (*xHash)(const void*,int);   /* The hash function */

  assert( (new_size & (new_size-1))==0 );
  new_ht = (struct _fts1ht *)pH->xMalloc( new_size*sizeof(struct _fts1ht) );
  if( new_ht==0 ) return;
  if( pH->ht ) pH->xFree(pH->ht);
  pH->ht = new_ht;
  pH->htsize = new_size;
  xHash = hashFunction(pH->keyClass);
  for(elem=pH->first, pH->first=0; elem; elem = next_elem){
    int h = (*xHash)(elem->pKey, elem->nKey) & (new_size-1);
    next_elem = elem->next;
    insertElement(pH, &new_ht[h], elem);
  }
}

/* This function (for internal use only) locates an element in an
** hash table that matches the given key.  The hash for this key has
** already been computed and is passed as the 4th parameter.
*/
static fts1HashElem *findElementGivenHash(
  const fts1Hash *pH, /* The pH to be searched */
  const void *pKey,   /* The key we are searching for */
  int nKey,
  int h               /* The hash for this key. */
){
  fts1HashElem *elem;            /* Used to loop thru the element list */
  int count;                     /* Number of elements left to test */
  int (*xCompare)(const void*,int,const void*,int);  /* comparison function */

  if( pH->ht ){
    struct _fts1ht *pEntry = &pH->ht[h];
    elem = pEntry->chain;
    count = pEntry->count;
    xCompare = compareFunction(pH->keyClass);
    while( count-- && elem ){
      if( (*xCompare)(elem->pKey,elem->nKey,pKey,nKey)==0 ){ 
        return elem;
      }
      elem = elem->next;
    }
  }
  return 0;
}

/* Remove a single entry from the hash table given a pointer to that
** element and a hash on the element's key.
*/
static void removeElementGivenHash(
  fts1Hash *pH,         /* The pH containing "elem" */
  fts1HashElem* elem,   /* The element to be removed from the pH */
  int h                 /* Hash value for the element */
){
  struct _fts1ht *pEntry;
  if( elem->prev ){
    elem->prev->next = elem->next; 
  }else{
    pH->first = elem->next;
  }
  if( elem->next ){
    elem->next->prev = elem->prev;
  }
  pEntry = &pH->ht[h];
  if( pEntry->chain==elem ){
    pEntry->chain = elem->next;
  }
  pEntry->count--;
  if( pEntry->count<=0 ){
    pEntry->chain = 0;
  }
  if( pH->copyKey && elem->pKey ){
    pH->xFree(elem->pKey);
  }
  pH->xFree( elem );
  pH->count--;
  if( pH->count<=0 ){
    assert( pH->first==0 );
    assert( pH->count==0 );
    fts1HashClear(pH);
  }
}

/* Attempt to locate an element of the hash table pH with a key
** that matches pKey,nKey.  Return the data for this element if it is
** found, or NULL if there is no match.
*/
void *sqlite3Fts1HashFind(const fts1Hash *pH, const void *pKey, int nKey){
  int h;                 /* A hash on key */
  fts1HashElem *elem;    /* The element that matches key */
  int (*xHash)(const void*,int);  /* The hash function */

  if( pH==0 || pH->ht==0 ) return 0;
  xHash = hashFunction(pH->keyClass);
  assert( xHash!=0 );
  h = (*xHash)(pKey,nKey);
  assert( (pH->htsize & (pH->htsize-1))==0 );
  elem = findElementGivenHash(pH,pKey,nKey, h & (pH->htsize-1));
  return elem ? elem->data : 0;
}

/* Insert an element into the hash table pH.  The key is pKey,nKey
** and the data is "data".
**
** If no element exists with a matching key, then a new
** element is created.  A copy of the key is made if the copyKey
** flag is set.  NULL is returned.
**
** If another element already exists with the same key, then the
** new data replaces the old data and the old data is returned.
** The key is not copied in this instance.  If a malloc fails, then
** the new data is returned and the hash table is unchanged.
**
** If the "data" parameter to this function is NULL, then the
** element corresponding to "key" is removed from the hash table.
*/
void *sqlite3Fts1HashInsert(
  fts1Hash *pH,        /* The hash table to insert into */
  const void *pKey,    /* The key */
  int nKey,            /* Number of bytes in the key */
  void *data           /* The data */
){
  int hraw;                 /* Raw hash value of the key */
  int h;                    /* the hash of the key modulo hash table size */
  fts1HashElem *elem;       /* Used to loop thru the element list */
  fts1HashElem *new_elem;   /* New element added to the pH */
  int (*xHash)(const void*,int);  /* The hash function */

  assert( pH!=0 );
  xHash = hashFunction(pH->keyClass);
  assert( xHash!=0 );
  hraw = (*xHash)(pKey, nKey);
  assert( (pH->htsize & (pH->htsize-1))==0 );
  h = hraw & (pH->htsize-1);
  elem = findElementGivenHash(pH,pKey,nKey,h);
  if( elem ){
    void *old_data = elem->data;
    if( data==0 ){
      removeElementGivenHash(pH,elem,h);
    }else{
      elem->data = data;
    }
    return old_data;
  }
  if( data==0 ) return 0;
  new_elem = (fts1HashElem*)pH->xMalloc( sizeof(fts1HashElem) );
  if( new_elem==0 ) return data;
  if( pH->copyKey && pKey!=0 ){
    new_elem->pKey = pH->xMalloc( nKey );
    if( new_elem->pKey==0 ){
      pH->xFree(new_elem);
      return data;
    }
    memcpy((void*)new_elem->pKey, pKey, nKey);
  }else{
    new_elem->pKey = (void*)pKey;
  }
  new_elem->nKey = nKey;
  pH->count++;
  if( pH->htsize==0 ){
    rehash(pH,8);
    if( pH->htsize==0 ){
      pH->count = 0;
      pH->xFree(new_elem);
      return data;
    }
  }
  if( pH->count > pH->htsize ){
    rehash(pH,pH->htsize*2);
  }
  assert( pH->htsize>0 );
  assert( (pH->htsize & (pH->htsize-1))==0 );
  h = hraw & (pH->htsize-1);
  insertElement(pH, &pH->ht[h], new_elem);
  new_elem->data = data;
  return 0;
}

#endif /* !defined(SQLITE_CORE) || defined(SQLITE_ENABLE_FTS1) */

Added SQLite.Interop/src/fts1_hash.h.

































































































































































































































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/*
** 2001 September 22
**
** The author disclaims copyright to this source code.  In place of
** a legal notice, here is a blessing:
**
**    May you do good and not evil.
**    May you find forgiveness for yourself and forgive others.
**    May you share freely, never taking more than you give.
**
*************************************************************************
** This is the header file for the generic hash-table implemenation
** used in SQLite.  We've modified it slightly to serve as a standalone
** hash table implementation for the full-text indexing module.
**
*/
#ifndef _FTS1_HASH_H_
#define _FTS1_HASH_H_

/* Forward declarations of structures. */
typedef struct fts1Hash fts1Hash;
typedef struct fts1HashElem fts1HashElem;

/* A complete hash table is an instance of the following structure.
** The internals of this structure are intended to be opaque -- client
** code should not attempt to access or modify the fields of this structure
** directly.  Change this structure only by using the routines below.
** However, many of the "procedures" and "functions" for modifying and
** accessing this structure are really macros, so we can't really make
** this structure opaque.
*/
struct fts1Hash {
  char keyClass;          /* HASH_INT, _POINTER, _STRING, _BINARY */
  char copyKey;           /* True if copy of key made on insert */
  int count;              /* Number of entries in this table */
  fts1HashElem *first;    /* The first element of the array */
  void *(*xMalloc)(int);  /* malloc() function to use */
  void (*xFree)(void *);  /* free() function to use */
  int htsize;             /* Number of buckets in the hash table */
  struct _fts1ht {        /* the hash table */
    int count;               /* Number of entries with this hash */
    fts1HashElem *chain;     /* Pointer to first entry with this hash */
  } *ht;
};

/* Each element in the hash table is an instance of the following 
** structure.  All elements are stored on a single doubly-linked list.
**
** Again, this structure is intended to be opaque, but it can't really
** be opaque because it is used by macros.
*/
struct fts1HashElem {
  fts1HashElem *next, *prev; /* Next and previous elements in the table */
  void *data;                /* Data associated with this element */
  void *pKey; int nKey;      /* Key associated with this element */
};

/*
** There are 2 different modes of operation for a hash table:
**
**   FTS1_HASH_STRING        pKey points to a string that is nKey bytes long
**                           (including the null-terminator, if any).  Case
**                           is respected in comparisons.
**
**   FTS1_HASH_BINARY        pKey points to binary data nKey bytes long. 
**                           memcmp() is used to compare keys.
**
** A copy of the key is made if the copyKey parameter to fts1HashInit is 1.  
*/
#define FTS1_HASH_STRING    1
#define FTS1_HASH_BINARY    2

/*
** Access routines.  To delete, insert a NULL pointer.
*/
void sqlite3Fts1HashInit(fts1Hash*, int keytype, int copyKey);
void *sqlite3Fts1HashInsert(fts1Hash*, const void *pKey, int nKey, void *pData);
void *sqlite3Fts1HashFind(const fts1Hash*, const void *pKey, int nKey);
void sqlite3Fts1HashClear(fts1Hash*);

/*
** Shorthand for the functions above
*/
#define fts1HashInit   sqlite3Fts1HashInit
#define fts1HashInsert sqlite3Fts1HashInsert
#define fts1HashFind   sqlite3Fts1HashFind
#define fts1HashClear  sqlite3Fts1HashClear

/*
** Macros for looping over all elements of a hash table.  The idiom is
** like this:
**
**   fts1Hash h;
**   fts1HashElem *p;
**   ...
**   for(p=fts1HashFirst(&h); p; p=fts1HashNext(p)){
**     SomeStructure *pData = fts1HashData(p);
**     // do something with pData
**   }
*/
#define fts1HashFirst(H)  ((H)->first)
#define fts1HashNext(E)   ((E)->next)
#define fts1HashData(E)   ((E)->data)
#define fts1HashKey(E)    ((E)->pKey)
#define fts1HashKeysize(E) ((E)->nKey)

/*
** Number of entries in a hash table
*/
#define fts1HashCount(H)  ((H)->count)

#endif /* _FTS1_HASH_H_ */

Added SQLite.Interop/src/fts1_porter.c.











































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































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/*
** 2006 September 30
**
** The author disclaims copyright to this source code.  In place of
** a legal notice, here is a blessing:
**
**    May you do good and not evil.
**    May you find forgiveness for yourself and forgive others.
**    May you share freely, never taking more than you give.
**
*************************************************************************
** Implementation of the full-text-search tokenizer that implements
** a Porter stemmer.
*/

/*
** The code in this file is only compiled if:
**
**     * The FTS1 module is being built as an extension
**       (in which case SQLITE_CORE is not defined), or
**
**     * The FTS1 module is being built into the core of
**       SQLite (in which case SQLITE_ENABLE_FTS1 is defined).
*/
#if !defined(SQLITE_CORE) || defined(SQLITE_ENABLE_FTS1)


#include <assert.h>
#if !defined(__APPLE__)
#include <malloc.h>
#else
#include <stdlib.h>
#endif
#include <stdio.h>
#include <string.h>
#include <ctype.h>

#include "fts1_tokenizer.h"

/*
** Class derived from sqlite3_tokenizer
*/
typedef struct porter_tokenizer {
  sqlite3_tokenizer base;      /* Base class */
} porter_tokenizer;

/*
** Class derived from sqlit3_tokenizer_cursor
*/
typedef struct porter_tokenizer_cursor {
  sqlite3_tokenizer_cursor base;
  const char *zInput;          /* input we are tokenizing */
  int nInput;                  /* size of the input */
  int iOffset;                 /* current position in zInput */
  int iToken;                  /* index of next token to be returned */
  char *zToken;                /* storage for current token */
  int nAllocated;              /* space allocated to zToken buffer */
} porter_tokenizer_cursor;


/* Forward declaration */
static const sqlite3_tokenizer_module porterTokenizerModule;


/*
** Create a new tokenizer instance.
*/
static int porterCreate(
  int argc, const char * const *argv,
  sqlite3_tokenizer **ppTokenizer
){
  porter_tokenizer *t;
  int i;

for(i=0; i<argc; i++) printf("argv[%d] = %s\n", i, argv[i]);
  t = (porter_tokenizer *) calloc(sizeof(porter_tokenizer), 1);
  *ppTokenizer = &t->base;
  return SQLITE_OK;
}

/*
** Destroy a tokenizer
*/
static int porterDestroy(sqlite3_tokenizer *pTokenizer){
  free(pTokenizer);
  return SQLITE_OK;
}

/*
** Prepare to begin tokenizing a particular string.  The input
** string to be tokenized is zInput[0..nInput-1].  A cursor
** used to incrementally tokenize this string is returned in 
** *ppCursor.
*/
static int porterOpen(
  sqlite3_tokenizer *pTokenizer,         /* The tokenizer */
  const char *zInput, int nInput,        /* String to be tokenized */
  sqlite3_tokenizer_cursor **ppCursor    /* OUT: Tokenization cursor */
){
  porter_tokenizer_cursor *c;

  c = (porter_tokenizer_cursor *) malloc(sizeof(porter_tokenizer_cursor));
  c->zInput = zInput;
  if( zInput==0 ){
    c->nInput = 0;
  }else if( nInput<0 ){
    c->nInput = (int)strlen(zInput);
  }else{
    c->nInput = nInput;
  }
  c->iOffset = 0;                 /* start tokenizing at the beginning */
  c->iToken = 0;
  c->zToken = NULL;               /* no space allocated, yet. */
  c->nAllocated = 0;

  *ppCursor = &c->base;
  return SQLITE_OK;
}

/*
** Close a tokenization cursor previously opened by a call to
** porterOpen() above.
*/
static int porterClose(sqlite3_tokenizer_cursor *pCursor){
  porter_tokenizer_cursor *c = (porter_tokenizer_cursor *) pCursor;
  free(c->zToken);
  free(c);
  return SQLITE_OK;
}
/*
** Vowel or consonant
*/
static const char cType[] = {
   0, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 0,
   1, 1, 1, 2, 1
};

/*
** isConsonant() and isVowel() determine if their first character in
** the string they point to is a consonant or a vowel, according
** to Porter ruls.  
**
** A consonate is any letter other than 'a', 'e', 'i', 'o', or 'u'.
** 'Y' is a consonant unless it follows another consonant,
** in which case it is a vowel.
**
** In these routine, the letters are in reverse order.  So the 'y' rule
** is that 'y' is a consonant unless it is followed by another
** consonent.
*/
static int isVowel(const char*);
static int isConsonant(const char *z){
  int j;
  char x = *z;
  if( x==0 ) return 0;
  assert( x>='a' && x<='z' );
  j = cType[x-'a'];
  if( j<2 ) return j;
  return z[1]==0 || isVowel(z + 1);
}
static int isVowel(const char *z){
  int j;
  char x = *z;
  if( x==0 ) return 0;
  assert( x>='a' && x<='z' );
  j = cType[x-'a'];
  if( j<2 ) return 1-j;
  return isConsonant(z + 1);
}

/*
** Let any sequence of one or more vowels be represented by V and let
** C be sequence of one or more consonants.  Then every word can be
** represented as:
**
**           [C] (VC){m} [V]
**
** In prose:  A word is an optional consonant followed by zero or
** vowel-consonant pairs followed by an optional vowel.  "m" is the
** number of vowel consonant pairs.  This routine computes the value
** of m for the first i bytes of a word.
**
** Return true if the m-value for z is 1 or more.  In other words,
** return true if z contains at least one vowel that is followed
** by a consonant.
**
** In this routine z[] is in reverse order.  So we are really looking
** for an instance of of a consonant followed by a vowel.
*/
static int m_gt_0(const char *z){
  while( isVowel(z) ){ z++; }
  if( *z==0 ) return 0;
  while( isConsonant(z) ){ z++; }
  return *z!=0;
}

/* Like mgt0 above except we are looking for a value of m which is
** exactly 1
*/
static int m_eq_1(const char *z){
  while( isVowel(z) ){ z++; }
  if( *z==0 ) return 0;
  while( isConsonant(z) ){ z++; }
  if( *z==0 ) return 0;
  while( isVowel(z) ){ z++; }
  if( *z==0 ) return 1;
  while( isConsonant(z) ){ z++; }
  return *z==0;
}

/* Like mgt0 above except we are looking for a value of m>1 instead
** or m>0
*/
static int m_gt_1(const char *z){
  while( isVowel(z) ){ z++; }
  if( *z==0 ) return 0;
  while( isConsonant(z) ){ z++; }
  if( *z==0 ) return 0;
  while( isVowel(z) ){ z++; }
  if( *z==0 ) return 0;
  while( isConsonant(z) ){ z++; }
  return *z!=0;
}

/*
** Return TRUE if there is a vowel anywhere within z[0..n-1]
*/
static int hasVowel(const char *z){
  while( isConsonant(z) ){ z++; }
  return *z!=0;
}

/*
** Return TRUE if the word ends in a double consonant.
**
** The text is reversed here. So we are really looking at
** the first two characters of z[].
*/
static int doubleConsonant(const char *z){
  return isConsonant(z) && z[0]==z[1] && isConsonant(z+1);
}

/*
** Return TRUE if the word ends with three letters which
** are consonant-vowel-consonent and where the final consonant
** is not 'w', 'x', or 'y'.
**
** The word is reversed here.  So we are really checking the
** first three letters and the first one cannot be in [wxy].
*/
static int star_oh(const char *z){
  return
    z[0]!=0 && isConsonant(z) &&
    z[0]!='w' && z[0]!='x' && z[0]!='y' &&
    z[1]!=0 && isVowel(z+1) &&
    z[2]!=0 && isConsonant(z+2);
}

/*
** If the word ends with zFrom and xCond() is true for the stem
** of the word that preceeds the zFrom ending, then change the 
** ending to zTo.
**
** The input word *pz and zFrom are both in reverse order.  zTo
** is in normal order. 
**
** Return TRUE if zFrom matches.  Return FALSE if zFrom does not
** match.  Not that TRUE is returned even if xCond() fails and
** no substitution occurs.
*/
static int stem(
  char **pz,             /* The word being stemmed (Reversed) */
  const char *zFrom,     /* If the ending matches this... (Reversed) */
  const char *zTo,       /* ... change the ending to this (not reversed) */
  int (*xCond)(const char*)   /* Condition that must be true */
){
  char *z = *pz;
  while( *zFrom && *zFrom==*z ){ z++; zFrom++; }
  if( *zFrom!=0 ) return 0;
  if( xCond && !xCond(z) ) return 1;
  while( *zTo ){
    *(--z) = *(zTo++);
  }
  *pz = z;
  return 1;
}

/*
** This is the fallback stemmer used when the porter stemmer is
** inappropriate.  The input word is copied into the output with
** US-ASCII case folding.  If the input word is too long (more
** than 20 bytes if it contains no digits or more than 6 bytes if
** it contains digits) then word is truncated to 20 or 6 bytes
** by taking 10 or 3 bytes from the beginning and end.
*/
static void copy_stemmer(const char *zIn, int nIn, char *zOut, int *pnOut){
  int i, mx, j;
  int hasDigit = 0;
  for(i=0; i<nIn; i++){
    int c = zIn[i];
    if( c>='A' && c<='Z' ){
      zOut[i] = c - 'A' + 'a';
    }else{
      if( c>='0' && c<='9' ) hasDigit = 1;
      zOut[i] = c;
    }
  }
  mx = hasDigit ? 3 : 10;
  if( nIn>mx*2 ){
    for(j=mx, i=nIn-mx; i<nIn; i++, j++){
      zOut[j] = zOut[i];
    }
    i = j;
  }
  zOut[i] = 0;
  *pnOut = i;
}


/*
** Stem the input word zIn[0..nIn-1].  Store the output in zOut.
** zOut is at least big enough to hold nIn bytes.  Write the actual
** size of the output word (exclusive of the '\0' terminator) into *pnOut.
**
** Any upper-case characters in the US-ASCII character set ([A-Z])
** are converted to lower case.  Upper-case UTF characters are
** unchanged.
**
** Words that are longer than about 20 bytes are stemmed by retaining
** a few bytes from the beginning and the end of the word.  If the
** word contains digits, 3 bytes are taken from the beginning and
** 3 bytes from the end.  For long words without digits, 10 bytes
** are taken from each end.  US-ASCII case folding still applies.
** 
** If the input word contains not digits but does characters not 
** in [a-zA-Z] then no stemming is attempted and this routine just 
** copies the input into the input into the output with US-ASCII
** case folding.
**
** Stemming never increases the length of the word.  So there is
** no chance of overflowing the zOut buffer.
*/
static void porter_stemmer(const char *zIn, int nIn, char *zOut, int *pnOut){
  int i, j, c;
  char zReverse[28];
  char *z, *z2;
  if( nIn<3 || nIn>=sizeof(zReverse)-7 ){
    /* The word is too big or too small for the porter stemmer.
    ** Fallback to the copy stemmer */
    copy_stemmer(zIn, nIn, zOut, pnOut);
    return;
  }
  for(i=0, j=sizeof(zReverse)-6; i<nIn; i++, j--){
    c = zIn[i];
    if( c>='A' && c<='Z' ){
      zReverse[j] = c + 'a' - 'A';
    }else if( c>='a' && c<='z' ){
      zReverse[j] = c;
    }else{
      /* The use of a character not in [a-zA-Z] means that we fallback
      ** to the copy stemmer */
      copy_stemmer(zIn, nIn, zOut, pnOut);
      return;
    }
  }
  memset(&zReverse[sizeof(zReverse)-5], 0, 5);
  z = &zReverse[j+1];


  /* Step 1a */
  if( z[0]=='s' ){
    if(
     !stem(&z, "sess", "ss", 0) &&
     !stem(&z, "sei", "i", 0)  &&
     !stem(&z, "ss", "ss", 0)
    ){
      z++;
    }
  }

  /* Step 1b */  
  z2 = z;
  if( stem(&z, "dee", "ee", m_gt_0) ){
    /* Do nothing.  The work was all in the test */
  }else if( 
     (stem(&z, "gni", "", hasVowel) || stem(&z, "de", "", hasVowel))
      && z!=z2
  ){
     if( stem(&z, "ta", "ate", 0) ||
         stem(&z, "lb", "ble", 0) ||
         stem(&z, "zi", "ize", 0) ){
       /* Do nothing.  The work was all in the test */
     }else if( doubleConsonant(z) && (*z!='l' && *z!='s' && *z!='z') ){
       z++;
     }else if( m_eq_1(z) && star_oh(z) ){
       *(--z) = 'e';
     }
  }

  /* Step 1c */
  if( z[0]=='y' && hasVowel(z+1) ){
    z[0] = 'i';
  }

  /* Step 2 */
  switch( z[1] ){
   case 'a':
     stem(&z, "lanoita", "ate", m_gt_0) ||
     stem(&z, "lanoit", "tion", m_gt_0);
     break;
   case 'c':
     stem(&z, "icne", "ence", m_gt_0) ||
     stem(&z, "icna", "ance", m_gt_0);
     break;
   case 'e':
     stem(&z, "rezi", "ize", m_gt_0);
     break;
   case 'g':
     stem(&z, "igol", "log", m_gt_0);
     break;
   case 'l':
     stem(&z, "ilb", "ble", m_gt_0) ||
     stem(&z, "illa", "al", m_gt_0) ||
     stem(&z, "iltne", "ent", m_gt_0) ||
     stem(&z, "ile", "e", m_gt_0) ||
     stem(&z, "ilsuo", "ous", m_gt_0);
     break;
   case 'o':
     stem(&z, "noitazi", "ize", m_gt_0) ||
     stem(&z, "noita", "ate", m_gt_0) ||
     stem(&z, "rota", "ate", m_gt_0);
     break;
   case 's':
     stem(&z, "msila", "al", m_gt_0) ||
     stem(&z, "ssenevi", "ive", m_gt_0) ||
     stem(&z, "ssenluf", "ful", m_gt_0) ||
     stem(&z, "ssensuo", "ous", m_gt_0);
     break;
   case 't':
     stem(&z, "itila", "al", m_gt_0) ||
     stem(&z, "itivi", "ive", m_gt_0) ||
     stem(&z, "itilib", "ble", m_gt_0);
     break;
  }

  /* Step 3 */
  switch( z[0] ){
   case 'e':
     stem(&z, "etaci", "ic", m_gt_0) ||
     stem(&z, "evita", "", m_gt_0)   ||
     stem(&z, "ezila", "al", m_gt_0);
     break;
   case 'i':
     stem(&z, "itici", "ic", m_gt_0);
     break;
   case 'l':
     stem(&z, "laci", "ic", m_gt_0) ||
     stem(&z, "luf", "", m_gt_0);
     break;
   case 's':
     stem(&z, "ssen", "", m_gt_0);
     break;
  }

  /* Step 4 */
  switch( z[1] ){
   case 'a':
     if( z[0]=='l' && m_gt_1(z+2) ){
       z += 2;
     }
     break;
   case 'c':
     if( z[0]=='e' && z[2]=='n' && (z[3]=='a' || z[3]=='e')  && m_gt_1(z+4)  ){
       z += 4;
     }
     break;
   case 'e':
     if( z[0]=='r' && m_gt_1(z+2) ){
       z += 2;
     }
     break;
   case 'i':
     if( z[0]=='c' && m_gt_1(z+2) ){
       z += 2;
     }
     break;
   case 'l':
     if( z[0]=='e' && z[2]=='b' && (z[3]=='a' || z[3]=='i') && m_gt_1(z+4) ){
       z += 4;
     }
     break;
   case 'n':
     if( z[0]=='t' ){
       if( z[2]=='a' ){
         if( m_gt_1(z+3) ){
           z += 3;
         }
       }else if( z[2]=='e' ){
         stem(&z, "tneme", "", m_gt_1) ||
         stem(&z, "tnem", "", m_gt_1) ||
         stem(&z, "tne", "", m_gt_1);
       }
     }
     break;
   case 'o':
     if( z[0]=='u' ){
       if( m_gt_1(z+2) ){
         z += 2;
       }
     }else if( z[3]=='s' || z[3]=='t' ){
       stem(&z, "noi", "", m_gt_1);
     }
     break;
   case 's':
     if( z[0]=='m' && z[2]=='i' && m_gt_1(z+3) ){
       z += 3;
     }
     break;
   case 't':
     stem(&z, "eta", "", m_gt_1) ||
     stem(&z, "iti", "", m_gt_1);
     break;
   case 'u':
     if( z[0]=='s' && z[2]=='o' && m_gt_1(z+3) ){
       z += 3;
     }
     break;
   case 'v':
   case 'z':
     if( z[0]=='e' && z[2]=='i' && m_gt_1(z+3) ){
       z += 3;
     }
     break;
  }

  /* Step 5a */
  if( z[0]=='e' ){
    if( m_gt_1(z+1) ){
      z++;
    }else if( m_eq_1(z+1) && !star_oh(z+1) ){
      z++;
    }
  }

  /* Step 5b */
  if( m_gt_1(z) && z[0]=='l' && z[1]=='l' ){
    z++;
  }

  /* z[] is now the stemmed word in reverse order.  Flip it back
  ** around into forward order and return.
  */
  *pnOut = i = strlen(z);
  zOut[i] = 0;
  while( *z ){
    zOut[--i] = *(z++);
  }
}

/*
** Characters that can be part of a token.  We assume any character
** whose value is greater than 0x80 (any UTF character) can be
** part of a token.  In other words, delimiters all must have
** values of 0x7f or lower.
*/
const char isIdChar[] = {
/* x0 x1 x2 x3 x4 x5 x6 x7 x8 x9 xA xB xC xD xE xF */
    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0,  /* 3x */
    0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,  /* 4x */
    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 1,  /* 5x */
    0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,  /* 6x */
    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0,  /* 7x */
};
#define idChar(C)  (((ch=C)&0x80)!=0 || (ch>0x2f && isIdChar[ch-0x30]))
#define isDelim(C) (((ch=C)&0x80)==0 && (ch<0x30 || !isIdChar[ch-0x30]))

/*
** Extract the next token from a tokenization cursor.  The cursor must
** have been opened by a prior call to porterOpen().
*/
static int porterNext(
  sqlite3_tokenizer_cursor *pCursor,  /* Cursor returned by porterOpen */
  const char **pzToken,               /* OUT: *pzToken is the token text */
  int *pnBytes,                       /* OUT: Number of bytes in token */
  int *piStartOffset,                 /* OUT: Starting offset of token */
  int *piEndOffset,                   /* OUT: Ending offset of token */
  int *piPosition                     /* OUT: Position integer of token */
){
  porter_tokenizer_cursor *c = (porter_tokenizer_cursor *) pCursor;
  const char *z = c->zInput;

  while( c->iOffset<c->nInput ){
    int iStartOffset, ch;

    /* Scan past delimiter characters */
    while( c->iOffset<c->nInput && isDelim(z[c->iOffset]) ){
      c->iOffset++;
    }

    /* Count non-delimiter characters. */
    iStartOffset = c->iOffset;
    while( c->iOffset<c->nInput && !isDelim(z[c->iOffset]) ){
      c->iOffset++;
    }

    if( c->iOffset>iStartOffset ){
      int n = c->iOffset-iStartOffset;
      if( n>c->nAllocated ){
        c->nAllocated = n+20;
        c->zToken = realloc(c->zToken, c->nAllocated);
      }
      porter_stemmer(&z[iStartOffset], n, c->zToken, pnBytes);
      *pzToken = c->zToken;
      *piStartOffset = iStartOffset;
      *piEndOffset = c->iOffset;
      *piPosition = c->iToken++;
      return SQLITE_OK;
    }
  }
  return SQLITE_DONE;
}

/*
** The set of routines that implement the porter-stemmer tokenizer
*/
static const sqlite3_tokenizer_module porterTokenizerModule = {
  0,
  porterCreate,
  porterDestroy,
  porterOpen,
  porterClose,
  porterNext,
};

/*
** Allocate a new porter tokenizer.  Return a pointer to the new
** tokenizer in *ppModule
*/
void sqlite3Fts1PorterTokenizerModule(
  sqlite3_tokenizer_module const**ppModule
){
  *ppModule = &porterTokenizerModule;
}

#endif /* !defined(SQLITE_CORE) || defined(SQLITE_ENABLE_FTS1) */

Added SQLite.Interop/src/fts1_tokenizer.h.





















































































































































































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/*
** 2006 July 10
**
** The author disclaims copyright to this source code.
**
*************************************************************************
** Defines the interface to tokenizers used by fulltext-search.  There
** are three basic components:
**
** sqlite3_tokenizer_module is a singleton defining the tokenizer
** interface functions.  This is essentially the class structure for
** tokenizers.
**
** sqlite3_tokenizer is used to define a particular tokenizer, perhaps
** including customization information defined at creation time.
**
** sqlite3_tokenizer_cursor is generated by a tokenizer to generate
** tokens from a particular input.
*/
#ifndef _FTS1_TOKENIZER_H_
#define _FTS1_TOKENIZER_H_

/* TODO(shess) Only used for SQLITE_OK and SQLITE_DONE at this time.
** If tokenizers are to be allowed to call sqlite3_*() functions, then
** we will need a way to register the API consistently.
*/
#include "sqlite3.h"

/*
** Structures used by the tokenizer interface.
*/
typedef struct sqlite3_tokenizer sqlite3_tokenizer;
typedef struct sqlite3_tokenizer_cursor sqlite3_tokenizer_cursor;
typedef struct sqlite3_tokenizer_module sqlite3_tokenizer_module;

struct sqlite3_tokenizer_module {
  int iVersion;                  /* currently 0 */

  /*
  ** Create and destroy a tokenizer.  argc/argv are passed down from
  ** the fulltext virtual table creation to allow customization.
  */
  int (*xCreate)(int argc, const char *const*argv,
                 sqlite3_tokenizer **ppTokenizer);
  int (*xDestroy)(sqlite3_tokenizer *pTokenizer);

  /*
  ** Tokenize a particular input.  Call xOpen() to prepare to
  ** tokenize, xNext() repeatedly until it returns SQLITE_DONE, then
  ** xClose() to free any internal state.  The pInput passed to
  ** xOpen() must exist until the cursor is closed.  The ppToken
  ** result from xNext() is only valid until the next call to xNext()
  ** or until xClose() is called.
  */
  /* TODO(shess) current implementation requires pInput to be
  ** nul-terminated.  This should either be fixed, or pInput/nBytes
  ** should be converted to zInput.
  */
  int (*xOpen)(sqlite3_tokenizer *pTokenizer,
               const char *pInput, int nBytes,
               sqlite3_tokenizer_cursor **ppCursor);
  int (*xClose)(sqlite3_tokenizer_cursor *pCursor);
  int (*xNext)(sqlite3_tokenizer_cursor *pCursor,
               const char **ppToken, int *pnBytes,
               int *piStartOffset, int *piEndOffset, int *piPosition);
};

struct sqlite3_tokenizer {
  const sqlite3_tokenizer_module *pModule;  /* The module for this tokenizer */
  /* Tokenizer implementations will typically add additional fields */
};

struct sqlite3_tokenizer_cursor {
  sqlite3_tokenizer *pTokenizer;       /* Tokenizer for this cursor. */
  /* Tokenizer implementations will typically add additional fields */
};

/*
** Get the module for a tokenizer which generates tokens based on a
** set of non-token characters.  The default is to break tokens at any
** non-alnum character, though the set of delimiters can also be
** specified by the first argv argument to xCreate().
*/
/* TODO(shess) This doesn't belong here.  Need some sort of
** registration process.
*/
void sqlite3Fts1SimpleTokenizerModule(sqlite3_tokenizer_module const**ppModule);
void sqlite3Fts1PorterTokenizerModule(sqlite3_tokenizer_module const**ppModule);

#endif /* _FTS1_TOKENIZER_H_ */

Added SQLite.Interop/src/fts1_tokenizer1.c.

























































































































































































































































































































































































































































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/*
** The author disclaims copyright to this source code.
**
*************************************************************************
** Implementation of the "simple" full-text-search tokenizer.
*/

/*
** The code in this file is only compiled if:
**
**     * The FTS1 module is being built as an extension
**       (in which case SQLITE_CORE is not defined), or
**
**     * The FTS1 module is being built into the core of
**       SQLite (in which case SQLITE_ENABLE_FTS1 is defined).
*/
#if !defined(SQLITE_CORE) || defined(SQLITE_ENABLE_FTS1)


#include <assert.h>
#if !defined(__APPLE__)
#include <malloc.h>
#else
#include <stdlib.h>
#endif
#include <stdio.h>
#include <string.h>
#include <ctype.h>

#include "fts1_tokenizer.h"

typedef struct simple_tokenizer {
  sqlite3_tokenizer base;
  char delim[128];             /* flag ASCII delimiters */
} simple_tokenizer;

typedef struct simple_tokenizer_cursor {
  sqlite3_tokenizer_cursor base;
  const char *pInput;          /* input we are tokenizing */
  int nBytes;                  /* size of the input */
  int iOffset;                 /* current position in pInput */
  int iToken;                  /* index of next token to be returned */
  char *pToken;                /* storage for current token */
  int nTokenAllocated;         /* space allocated to zToken buffer */
} simple_tokenizer_cursor;


/* Forward declaration */
static const sqlite3_tokenizer_module simpleTokenizerModule;

static int isDelim(simple_tokenizer *t, unsigned char c){
  return c<0x80 && t->delim[c];
}

/*
** Create a new tokenizer instance.
*/
static int simpleCreate(
  int argc, const char * const *argv,
  sqlite3_tokenizer **ppTokenizer
){
  simple_tokenizer *t;

  t = (simple_tokenizer *) calloc(sizeof(simple_tokenizer), 1);
  /* TODO(shess) Delimiters need to remain the same from run to run,
  ** else we need to reindex.  One solution would be a meta-table to
  ** track such information in the database, then we'd only want this
  ** information on the initial create.
  */
  if( argc>1 ){
    int i, n = strlen(argv[1]);
    for(i=0; i<n; i++){
      unsigned char ch = argv[1][i];
      /* We explicitly don't support UTF-8 delimiters for now. */
      if( ch>=0x80 ){
        free(t);
        return SQLITE_ERROR;
      }
      t->delim[ch] = 1;
    }
  } else {
    /* Mark non-alphanumeric ASCII characters as delimiters */
    int i;
    for(i=1; i<0x80; i++){
      t->delim[i] = !isalnum(i);
    }
  }

  *ppTokenizer = &t->base;
  return SQLITE_OK;
}

/*
** Destroy a tokenizer
*/
static int simpleDestroy(sqlite3_tokenizer *pTokenizer){
  free(pTokenizer);
  return SQLITE_OK;
}

/*
** Prepare to begin tokenizing a particular string.  The input
** string to be tokenized is pInput[0..nBytes-1].  A cursor
** used to incrementally tokenize this string is returned in 
** *ppCursor.
*/
static int simpleOpen(
  sqlite3_tokenizer *pTokenizer,         /* The tokenizer */
  const char *pInput, int nBytes,        /* String to be tokenized */
  sqlite3_tokenizer_cursor **ppCursor    /* OUT: Tokenization cursor */
){
  simple_tokenizer_cursor *c;

  c = (simple_tokenizer_cursor *) malloc(sizeof(simple_tokenizer_cursor));
  c->pInput = pInput;
  if( pInput==0 ){
    c->nBytes = 0;
  }else if( nBytes<0 ){
    c->nBytes = (int)strlen(pInput);
  }else{
    c->nBytes = nBytes;
  }
  c->iOffset = 0;                 /* start tokenizing at the beginning */
  c->iToken = 0;
  c->pToken = NULL;               /* no space allocated, yet. */
  c->nTokenAllocated = 0;

  *ppCursor = &c->base;
  return SQLITE_OK;
}

/*
** Close a tokenization cursor previously opened by a call to
** simpleOpen() above.
*/
static int simpleClose(sqlite3_tokenizer_cursor *pCursor){
  simple_tokenizer_cursor *c = (simple_tokenizer_cursor *) pCursor;
  free(c->pToken);
  free(c);
  return SQLITE_OK;
}

/*
** Extract the next token from a tokenization cursor.  The cursor must
** have been opened by a prior call to simpleOpen().
*/
static int simpleNext(
  sqlite3_tokenizer_cursor *pCursor,  /* Cursor returned by simpleOpen */
  const char **ppToken,               /* OUT: *ppToken is the token text */
  int *pnBytes,                       /* OUT: Number of bytes in token */
  int *piStartOffset,                 /* OUT: Starting offset of token */
  int *piEndOffset,                   /* OUT: Ending offset of token */
  int *piPosition                     /* OUT: Position integer of token */
){
  simple_tokenizer_cursor *c = (simple_tokenizer_cursor *) pCursor;
  simple_tokenizer *t = (simple_tokenizer *) pCursor->pTokenizer;
  unsigned char *p = (unsigned char *)c->pInput;

  while( c->iOffset<c->nBytes ){
    int iStartOffset;

    /* Scan past delimiter characters */
    while( c->iOffset<c->nBytes && isDelim(t, p[c->iOffset]) ){
      c->iOffset++;
    }

    /* Count non-delimiter characters. */
    iStartOffset = c->iOffset;
    while( c->iOffset<c->nBytes && !isDelim(t, p[c->iOffset]) ){
      c->iOffset++;
    }

    if( c->iOffset>iStartOffset ){
      int i, n = c->iOffset-iStartOffset;
      if( n>c->nTokenAllocated ){
        c->nTokenAllocated = n+20;
        c->pToken = realloc(c->pToken, c->nTokenAllocated);
      }
      for(i=0; i<n; i++){
        /* TODO(shess) This needs expansion to handle UTF-8
        ** case-insensitivity.
        */
        unsigned char ch = p[iStartOffset+i];
        c->pToken[i] = ch<0x80 ? tolower(ch) : ch;
      }
      *ppToken = c->pToken;
      *pnBytes = n;
      *piStartOffset = iStartOffset;
      *piEndOffset = c->iOffset;
      *piPosition = c->iToken++;

      return SQLITE_OK;
    }
  }
  return SQLITE_DONE;
}

/*
** The set of routines that implement the simple tokenizer
*/
static const sqlite3_tokenizer_module simpleTokenizerModule = {
  0,
  simpleCreate,
  simpleDestroy,
  simpleOpen,
  simpleClose,
  simpleNext,
};

/*
** Allocate a new simple tokenizer.  Return a pointer to the new
** tokenizer in *ppModule
*/
void sqlite3Fts1SimpleTokenizerModule(
  sqlite3_tokenizer_module const**ppModule
){
  *ppModule = &simpleTokenizerModule;
}

#endif /* !defined(SQLITE_CORE) || defined(SQLITE_ENABLE_FTS1) */

Changes to SQLite.Interop/src/func.c.

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...
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661
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664


665



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....
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....
1106
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1108
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1112

1113
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** This file contains the C functions that implement various SQL
** functions of SQLite.  
**
** There is only one exported symbol in this file - the function
** sqliteRegisterBuildinFunctions() found at the bottom of the file.
** All other code has file scope.
**
** $Id: func.c,v 1.25 2006/08/13 15:55:01 rmsimpson Exp $
*/
#include "sqliteInt.h"
#include <ctype.h>
/* #include <math.h> */
#include <stdlib.h>
#include <assert.h>
#include "vdbeInt.h"
................................................................................
  sqlite3_context *context,
  int argc,
  sqlite3_value **argv
){
  sqlite3_result_text(context, sqlite3_version, -1, SQLITE_STATIC);
}

/*
** The MATCH() function is unimplemented.  If anybody tries to use it,
** return an error.
*/
static void matchStub(
  sqlite3_context *context,
  int argc,
  sqlite3_value **argv
){
  static const char zErr[] = "MATCH is not implemented";
  sqlite3_result_error(context, zErr, sizeof(zErr)-1);
}


/*
** EXPERIMENTAL - This is not an official function.  The interface may
** change.  This function may disappear.  Do not write code that depends
** on this function.
**
** Implementation of the QUOTE() function.  This function takes a single
................................................................................
    0, 0, 1, 2, 3, 0, 1, 2, 0, 0, 2, 2, 4, 5, 5, 0,
    1, 2, 6, 2, 3, 0, 1, 0, 2, 0, 2, 0, 0, 0, 0, 0,
    0, 0, 1, 2, 3, 0, 1, 2, 0, 0, 2, 2, 4, 5, 5, 0,
    1, 2, 6, 2, 3, 0, 1, 0, 2, 0, 2, 0, 0, 0, 0, 0,
  };
  assert( argc==1 );
  zIn = (u8*)sqlite3_value_text(argv[0]);
  if( zIn==0 ) zIn = "";
  for(i=0; zIn[i] && !isalpha(zIn[i]); i++){}
  if( zIn[i] ){

    zResult[0] = toupper(zIn[i]);
    for(j=1; j<4 && zIn[i]; i++){
      int code = iCode[zIn[i]&0x7f];
      if( code>0 ){


        zResult[j++] = code + '0';



      }
    }
    while( j<4 ){
      zResult[j++] = '0';
    }
    zResult[j] = 0;
    sqlite3_result_text(context, zResult, 4, SQLITE_TRANSIENT);
................................................................................
    { "random",            -1, 0, SQLITE_UTF8,    0, randomFunc },
    { "nullif",             2, 0, SQLITE_UTF8,    1, nullifFunc },
    { "sqlite_version",     0, 0, SQLITE_UTF8,    0, versionFunc},
    { "quote",              1, 0, SQLITE_UTF8,    0, quoteFunc  },
    { "last_insert_rowid",  0, 1, SQLITE_UTF8,    0, last_insert_rowid },
    { "changes",            0, 1, SQLITE_UTF8,    0, changes    },
    { "total_changes",      0, 1, SQLITE_UTF8,    0, total_changes },
    { "match",              2, 0, SQLITE_UTF8,    0, matchStub },
#ifdef SQLITE_SOUNDEX
    { "soundex",            1, 0, SQLITE_UTF8, 0, soundexFunc},
#endif
#ifndef SQLITE_OMIT_LOAD_EXTENSION
    { "load_extension",     1, 1, SQLITE_UTF8,    0, loadExt },
    { "load_extension",     2, 1, SQLITE_UTF8,    0, loadExt },
#endif
................................................................................
          strlen(aAggs[i].zName), aAggs[i].nArg, SQLITE_UTF8, 0);
      if( pFunc && aAggs[i].needCollSeq ){
        pFunc->needCollSeq = 1;
      }
    }
  }
  sqlite3RegisterDateTimeFunctions(db);

#ifdef SQLITE_SSE
  (void)sqlite3SseFunctions(db);
#endif
#ifdef SQLITE_CASE_SENSITIVE_LIKE
  sqlite3RegisterLikeFunctions(db, 1);
#else
  sqlite3RegisterLikeFunctions(db, 0);







|







 







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>







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549
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551
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553
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557
...
638
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646
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649
650
651
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653
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655
656
657
658
659
660
661
662
663
664
665
....
1026
1027
1028
1029
1030
1031
1032

1033
1034
1035
1036
1037
1038
1039
....
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
** This file contains the C functions that implement various SQL
** functions of SQLite.  
**
** There is only one exported symbol in this file - the function
** sqliteRegisterBuildinFunctions() found at the bottom of the file.
** All other code has file scope.
**
** $Id: func.c,v 1.26 2006/10/12 21:34:21 rmsimpson Exp $
*/
#include "sqliteInt.h"
#include <ctype.h>
/* #include <math.h> */
#include <stdlib.h>
#include <assert.h>
#include "vdbeInt.h"
................................................................................
  sqlite3_context *context,
  int argc,
  sqlite3_value **argv
){
  sqlite3_result_text(context, sqlite3_version, -1, SQLITE_STATIC);
}















/*
** EXPERIMENTAL - This is not an official function.  The interface may
** change.  This function may disappear.  Do not write code that depends
** on this function.
**
** Implementation of the QUOTE() function.  This function takes a single
................................................................................
    0, 0, 1, 2, 3, 0, 1, 2, 0, 0, 2, 2, 4, 5, 5, 0,
    1, 2, 6, 2, 3, 0, 1, 0, 2, 0, 2, 0, 0, 0, 0, 0,
    0, 0, 1, 2, 3, 0, 1, 2, 0, 0, 2, 2, 4, 5, 5, 0,
    1, 2, 6, 2, 3, 0, 1, 0, 2, 0, 2, 0, 0, 0, 0, 0,
  };
  assert( argc==1 );
  zIn = (u8*)sqlite3_value_text(argv[0]);
  if( zIn==0 ) zIn = (u8*)"";
  for(i=0; zIn[i] && !isalpha(zIn[i]); i++){}
  if( zIn[i] ){
    u8 prevcode = iCode[zIn[i]&0x7f];
    zResult[0] = toupper(zIn[i]);
    for(j=1; j<4 && zIn[i]; i++){
      int code = iCode[zIn[i]&0x7f];
      if( code>0 ){
        if( code!=prevcode ){
          prevcode = code;
          zResult[j++] = code + '0';
        }
      }else{
        prevcode = 0;
      }
    }
    while( j<4 ){
      zResult[j++] = '0';
    }
    zResult[j] = 0;
    sqlite3_result_text(context, zResult, 4, SQLITE_TRANSIENT);
................................................................................
    { "random",            -1, 0, SQLITE_UTF8,    0, randomFunc },
    { "nullif",             2, 0, SQLITE_UTF8,    1, nullifFunc },
    { "sqlite_version",     0, 0, SQLITE_UTF8,    0, versionFunc},
    { "quote",              1, 0, SQLITE_UTF8,    0, quoteFunc  },
    { "last_insert_rowid",  0, 1, SQLITE_UTF8,    0, last_insert_rowid },
    { "changes",            0, 1, SQLITE_UTF8,    0, changes    },
    { "total_changes",      0, 1, SQLITE_UTF8,    0, total_changes },

#ifdef SQLITE_SOUNDEX
    { "soundex",            1, 0, SQLITE_UTF8, 0, soundexFunc},
#endif
#ifndef SQLITE_OMIT_LOAD_EXTENSION
    { "load_extension",     1, 1, SQLITE_UTF8,    0, loadExt },
    { "load_extension",     2, 1, SQLITE_UTF8,    0, loadExt },
#endif
................................................................................
          strlen(aAggs[i].zName), aAggs[i].nArg, SQLITE_UTF8, 0);
      if( pFunc && aAggs[i].needCollSeq ){
        pFunc->needCollSeq = 1;
      }
    }
  }
  sqlite3RegisterDateTimeFunctions(db);
  sqlite3_overload_function(db, "MATCH", 2);
#ifdef SQLITE_SSE
  (void)sqlite3SseFunctions(db);
#endif
#ifdef SQLITE_CASE_SENSITIVE_LIKE
  sqlite3RegisterLikeFunctions(db, 1);
#else
  sqlite3RegisterLikeFunctions(db, 0);

Changes to SQLite.Interop/src/hash.c.

8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
**    May you find forgiveness for yourself and forgive others.
**    May you share freely, never taking more than you give.
**
*************************************************************************
** This is the implementation of generic hash-tables
** used in SQLite.
**
** $Id: hash.c,v 1.22 2006/08/13 15:55:01 rmsimpson Exp $
*/
#include "sqliteInt.h"
#include <assert.h>

/* Turn bulk memory into a hash table object by initializing the
** fields of the Hash structure.
**







|







8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
**    May you find forgiveness for yourself and forgive others.
**    May you share freely, never taking more than you give.
**
*************************************************************************
** This is the implementation of generic hash-tables
** used in SQLite.
**
** $Id: hash.c,v 1.23 2006/10/12 21:34:21 rmsimpson Exp $
*/
#include "sqliteInt.h"
#include <assert.h>

/* Turn bulk memory into a hash table object by initializing the
** fields of the Hash structure.
**

Changes to SQLite.Interop/src/hash.h.

8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
**    May you find forgiveness for yourself and forgive others.
**    May you share freely, never taking more than you give.
**
*************************************************************************
** This is the header file for the generic hash-table implemenation
** used in SQLite.
**
** $Id: hash.h,v 1.22 2006/08/13 15:55:01 rmsimpson Exp $
*/
#ifndef _SQLITE_HASH_H_
#define _SQLITE_HASH_H_

/* Forward declarations of structures. */
typedef struct Hash Hash;
typedef struct HashElem HashElem;







|







8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
**    May you find forgiveness for yourself and forgive others.
**    May you share freely, never taking more than you give.
**
*************************************************************************
** This is the header file for the generic hash-table implemenation
** used in SQLite.
**
** $Id: hash.h,v 1.23 2006/10/12 21:34:21 rmsimpson Exp $
*/
#ifndef _SQLITE_HASH_H_
#define _SQLITE_HASH_H_

/* Forward declarations of structures. */
typedef struct Hash Hash;
typedef struct HashElem HashElem;

Changes to SQLite.Interop/src/insert.c.

8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
...
383
384
385
386
387
388
389
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...
451
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...
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623
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625
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628
629
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633
**    May you find forgiveness for yourself and forgive others.
**    May you share freely, never taking more than you give.
**
*************************************************************************
** This file contains C code routines that are called by the parser
** to handle INSERT statements in SQLite.
**
** $Id: insert.c,v 1.23 2006/08/13 15:55:01 rmsimpson Exp $
*/
#include "sqliteInt.h"

/*
** Set P3 of the most recently inserted opcode to a column affinity
** string for index pIdx. A column affinity string has one character
** for each column in the table, according to the affinity of the column:
................................................................................
  }else{
    /* This is the case if the data for the INSERT is coming from a VALUES
    ** clause
    */
    NameContext sNC;
    memset(&sNC, 0, sizeof(sNC));
    sNC.pParse = pParse;
    assert( pList!=0 );
    srcTab = -1;
    useTempTable = 0;
    assert( pList );
    nColumn = pList->nExpr;
    for(i=0; i<nColumn; i++){
      if( sqlite3ExprResolveNames(&sNC, pList->a[i].pExpr) ){
        goto insert_cleanup;
      }
    }
  }

  /* Make sure the number of columns in the source data matches the number
  ** of columns to be inserted into the table.
  */
  if( pColumn==0 && nColumn!=pTab->nCol ){
    sqlite3ErrorMsg(pParse, 
       "table %S has %d columns but %d values were supplied",
       pTabList, 0, pTab->nCol, nColumn);
    goto insert_cleanup;
  }
  if( pColumn!=0 && nColumn!=pColumn->nId ){
    sqlite3ErrorMsg(pParse, "%d values for %d columns", nColumn, pColumn->nId);
................................................................................
    }
  }

  /* If there is no IDLIST term but the table has an integer primary
  ** key, the set the keyColumn variable to the primary key column index
  ** in the original table definition.
  */
  if( pColumn==0 ){
    keyColumn = pTab->iPKey;
  }

  /* Open the temp table for FOR EACH ROW triggers
  */
  if( triggers_exist ){
    sqlite3VdbeAddOp(v, OP_OpenPseudo, newIdx, 0);
................................................................................
      if( pColumn==0 ){
        j = i;
      }else{
        for(j=0; j<pColumn->nId; j++){
          if( pColumn->a[j].idx==i ) break;
        }
      }
      if( pColumn && j>=pColumn->nId ){
        sqlite3ExprCode(pParse, pTab->aCol[i].pDflt);
      }else if( useTempTable ){
        sqlite3VdbeAddOp(v, OP_Column, srcTab, j); 
      }else if( pSelect ){
        sqlite3VdbeAddOp(v, OP_Dup, i+nColumn-j, 1);
      }else{
        sqlite3ExprCode(pParse, pList->a[j].pExpr);
      }
    }

    /* Generate code to check constraints and generate index keys and
    ** do the insertion.







|







 







<


<
|










|







 







|







 







|




|







8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
...
383
384
385
386
387
388
389

390
391

392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
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410
...
449
450
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455
456
457
458
459
460
461
462
463
...
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
**    May you find forgiveness for yourself and forgive others.
**    May you share freely, never taking more than you give.
**
*************************************************************************
** This file contains C code routines that are called by the parser
** to handle INSERT statements in SQLite.
**
** $Id: insert.c,v 1.24 2006/10/12 21:34:21 rmsimpson Exp $
*/
#include "sqliteInt.h"

/*
** Set P3 of the most recently inserted opcode to a column affinity
** string for index pIdx. A column affinity string has one character
** for each column in the table, according to the affinity of the column:
................................................................................
  }else{
    /* This is the case if the data for the INSERT is coming from a VALUES
    ** clause
    */
    NameContext sNC;
    memset(&sNC, 0, sizeof(sNC));
    sNC.pParse = pParse;

    srcTab = -1;
    useTempTable = 0;

    nColumn = pList ? pList->nExpr : 0;
    for(i=0; i<nColumn; i++){
      if( sqlite3ExprResolveNames(&sNC, pList->a[i].pExpr) ){
        goto insert_cleanup;
      }
    }
  }

  /* Make sure the number of columns in the source data matches the number
  ** of columns to be inserted into the table.
  */
  if( pColumn==0 && nColumn && nColumn!=pTab->nCol ){
    sqlite3ErrorMsg(pParse, 
       "table %S has %d columns but %d values were supplied",
       pTabList, 0, pTab->nCol, nColumn);
    goto insert_cleanup;
  }
  if( pColumn!=0 && nColumn!=pColumn->nId ){
    sqlite3ErrorMsg(pParse, "%d values for %d columns", nColumn, pColumn->nId);
................................................................................
    }
  }

  /* If there is no IDLIST term but the table has an integer primary
  ** key, the set the keyColumn variable to the primary key column index
  ** in the original table definition.
  */
  if( pColumn==0 && nColumn>0 ){
    keyColumn = pTab->iPKey;
  }

  /* Open the temp table for FOR EACH ROW triggers
  */
  if( triggers_exist ){
    sqlite3VdbeAddOp(v, OP_OpenPseudo, newIdx, 0);
................................................................................
      if( pColumn==0 ){
        j = i;
      }else{
        for(j=0; j<pColumn->nId; j++){
          if( pColumn->a[j].idx==i ) break;
        }
      }
      if( nColumn==0 || (pColumn && j>=pColumn->nId) ){
        sqlite3ExprCode(pParse, pTab->aCol[i].pDflt);
      }else if( useTempTable ){
        sqlite3VdbeAddOp(v, OP_Column, srcTab, j); 
      }else if( pSelect ){
        sqlite3VdbeAddOp(v, OP_Dup, i+nColumn-j+IsVirtual(pTab), 1);
      }else{
        sqlite3ExprCode(pParse, pList->a[j].pExpr);
      }
    }

    /* Generate code to check constraints and generate index keys and
    ** do the insertion.

Changes to SQLite.Interop/src/legacy.c.

10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
...
127
128
129
130
131
132
133

134
135
**
*************************************************************************
** Main file for the SQLite library.  The routines in this file
** implement the programmer interface to the library.  Routines in
** other files are for internal use by SQLite and should not be
** accessed by users of the library.
**
** $Id: legacy.c,v 1.22 2006/08/13 15:55:01 rmsimpson Exp $
*/

#include "sqliteInt.h"
#include "os.h"
#include <ctype.h>

/*
................................................................................
    if( *pzErrMsg ){
      strcpy(*pzErrMsg, sqlite3_errmsg(db));
    }
  }else if( pzErrMsg ){
    *pzErrMsg = 0;
  }


  return rc;
}







|







 







>


10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
...
127
128
129
130
131
132
133
134
135
136
**
*************************************************************************
** Main file for the SQLite library.  The routines in this file
** implement the programmer interface to the library.  Routines in
** other files are for internal use by SQLite and should not be
** accessed by users of the library.
**
** $Id: legacy.c,v 1.23 2006/10/12 21:34:21 rmsimpson Exp $
*/

#include "sqliteInt.h"
#include "os.h"
#include <ctype.h>

/*
................................................................................
    if( *pzErrMsg ){
      strcpy(*pzErrMsg, sqlite3_errmsg(db));
    }
  }else if( pzErrMsg ){
    *pzErrMsg = 0;
  }

  assert( (rc&db->errMask)==rc );
  return rc;
}

Changes to SQLite.Interop/src/loadext.c.

13
14
15
16
17
18
19

20
21
22
23
24
25
26
..
85
86
87
88
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91
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94
95
96
97
98
99
...
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215

216
217
218
219
220
221
222
...
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291
292
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296
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298
299
300
301
302
303
304
...
347
348
349
350
351
352
353
354


















































































355
** the SQLite library.
*/
#ifndef SQLITE_OMIT_LOAD_EXTENSION

#define SQLITE_CORE 1  /* Disable the API redefinition in sqlite3ext.h */
#include "sqlite3ext.h"
#include "sqliteInt.h"

#include <string.h>
#include <ctype.h>

/*
** Some API routines are omitted when various features are
** excluded from a build of SQLite.  Substitute a NULL pointer
** for any missing APIs.
................................................................................
**
** Extensions that use newer APIs should first call the
** sqlite3_libversion_number() to make sure that the API they
** intend to use is supported by the library.  Extensions should
** also check to make sure that the pointer to the function is
** not NULL before calling it.
*/
const sqlite3_api_routines sqlite3_api = {
  sqlite3_aggregate_context,
  sqlite3_aggregate_count,
  sqlite3_bind_blob,
  sqlite3_bind_double,
  sqlite3_bind_int,
  sqlite3_bind_int64,
  sqlite3_bind_null,
................................................................................
  ** The original API set ends here.  All extensions can call any
  ** of the APIs above provided that the pointer is not NULL.  But
  ** before calling APIs that follow, extension should check the
  ** sqlite3_libversion_number() to make sure they are dealing with
  ** a library that is new enough to support that API.
  *************************************************************************
  */

};

/*
** The windows implementation of shared-library loaders
*/
#if defined(_WIN32) || defined(WIN32) || defined(__MINGW32__) || defined(__BORLANDC__)
# include <windows.h>
................................................................................
  if( xInit==0 ){
    if( pzErrMsg ){
       *pzErrMsg = sqlite3_mprintf("no entry point [%s] in shared library [%s]",
                                   zProc, zFile);
    }
    SQLITE_CLOSE_LIBRARY(handle);
    return SQLITE_ERROR;
  }else if( xInit(db, &zErrmsg, &sqlite3_api) ){
    if( pzErrMsg ){
      *pzErrMsg = sqlite3_mprintf("error during initialization: %s", zErrmsg);
    }
    sqlite3_free(zErrmsg);
    SQLITE_CLOSE_LIBRARY(handle);
    return SQLITE_ERROR;
  }
................................................................................
  if( onoff ){
    db->flags |= SQLITE_LoadExtension;
  }else{
    db->flags &= ~SQLITE_LoadExtension;
  }
  return SQLITE_OK;
}



















































































#endif /* SQLITE_OMIT_LOAD_EXTENSION */







>







 







|







 







>







 







|







 








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>
>
>
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>
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>
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>
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>
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>
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13
14
15
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17
18
19
20
21
22
23
24
25
26
27
..
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
...
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
...
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
...
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
** the SQLite library.
*/
#ifndef SQLITE_OMIT_LOAD_EXTENSION

#define SQLITE_CORE 1  /* Disable the API redefinition in sqlite3ext.h */
#include "sqlite3ext.h"
#include "sqliteInt.h"
#include "os.h"
#include <string.h>
#include <ctype.h>

/*
** Some API routines are omitted when various features are
** excluded from a build of SQLite.  Substitute a NULL pointer
** for any missing APIs.
................................................................................
**
** Extensions that use newer APIs should first call the
** sqlite3_libversion_number() to make sure that the API they
** intend to use is supported by the library.  Extensions should
** also check to make sure that the pointer to the function is
** not NULL before calling it.
*/
const sqlite3_api_routines sqlite3_apis = {
  sqlite3_aggregate_context,
  sqlite3_aggregate_count,
  sqlite3_bind_blob,
  sqlite3_bind_double,
  sqlite3_bind_int,
  sqlite3_bind_int64,
  sqlite3_bind_null,
................................................................................
  ** The original API set ends here.  All extensions can call any
  ** of the APIs above provided that the pointer is not NULL.  But
  ** before calling APIs that follow, extension should check the
  ** sqlite3_libversion_number() to make sure they are dealing with
  ** a library that is new enough to support that API.
  *************************************************************************
  */
  sqlite3_overload_function,
};

/*
** The windows implementation of shared-library loaders
*/
#if defined(_WIN32) || defined(WIN32) || defined(__MINGW32__) || defined(__BORLANDC__)
# include <windows.h>
................................................................................
  if( xInit==0 ){
    if( pzErrMsg ){
       *pzErrMsg = sqlite3_mprintf("no entry point [%s] in shared library [%s]",
                                   zProc, zFile);
    }
    SQLITE_CLOSE_LIBRARY(handle);
    return SQLITE_ERROR;
  }else if( xInit(db, &zErrmsg, &sqlite3_apis) ){
    if( pzErrMsg ){
      *pzErrMsg = sqlite3_mprintf("error during initialization: %s", zErrmsg);
    }
    sqlite3_free(zErrmsg);
    SQLITE_CLOSE_LIBRARY(handle);
    return SQLITE_ERROR;
  }
................................................................................
  if( onoff ){
    db->flags |= SQLITE_LoadExtension;
  }else{
    db->flags &= ~SQLITE_LoadExtension;
  }
  return SQLITE_OK;
}

/*
** A list of automatically loaded extensions.
**
** This list is shared across threads, so be sure to hold the
** mutex while accessing or changing it.
*/
static int nAutoExtension = 0;
static void **aAutoExtension = 0;


/*
** Register a statically linked extension that is automatically
** loaded by every new database connection.
*/
int sqlite3_auto_extension(void *xInit){
  int i;
  int rc = SQLITE_OK;
  sqlite3OsEnterMutex();
  for(i=0; i<nAutoExtension; i++){
    if( aAutoExtension[i]==xInit ) break;
  }
  if( i==nAutoExtension ){
    nAutoExtension++;
    aAutoExtension = sqlite3Realloc( aAutoExtension,
                                     nAutoExtension*sizeof(aAutoExtension[0]) );
    if( aAutoExtension==0 ){
      nAutoExtension = 0;
      rc = SQLITE_NOMEM;
    }else{
      aAutoExtension[nAutoExtension-1] = xInit;
    }
  }
  sqlite3OsLeaveMutex();
  assert( (rc&0xff)==rc );
  return rc;
}

/*
** Reset the automatic extension loading mechanism.
*/
void sqlite3_reset_auto_extension(void){
  sqlite3OsEnterMutex();
  sqliteFree(aAutoExtension);
  aAutoExtension = 0;
  nAutoExtension = 0;
  sqlite3OsLeaveMutex();
}

/*
** Load all automatic extensions.
*/
int sqlite3AutoLoadExtensions(sqlite3 *db){
  int i;
  int go = 1;
  int rc = SQLITE_OK;
  int (*xInit)(sqlite3*,char**,const sqlite3_api_routines*);

  if( nAutoExtension==0 ){
    /* Common case: early out without every having to acquire a mutex */
    return SQLITE_OK;
  }
  for(i=0; go; i++){
    char *zErrmsg = 0;
    sqlite3OsEnterMutex();
    if( i>=nAutoExtension ){
      xInit = 0;
      go = 0;
    }else{
      xInit = (int(*)(sqlite3*,char**,const sqlite3_api_routines*))
              aAutoExtension[i];
    }
    sqlite3OsLeaveMutex();
    if( xInit && xInit(db, &zErrmsg, &sqlite3_apis) ){
      sqlite3Error(db, SQLITE_ERROR,
            "automatic extension loading failed: %s", zErrmsg);
      go = 0;
      rc = SQLITE_ERROR;
    }
  }
  return rc;
}

#endif /* SQLITE_OMIT_LOAD_EXTENSION */

Changes to SQLite.Interop/src/main.c.

10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
...
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
...
537
538
539
540
541
542
543


























544
545
546
547
548
549
550
...
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
...
837
838
839
840
841
842
843

844
845
846
847
848
849
850
...
903
904
905
906
907
908
909
910
911

912
913












914
915
916
917
918
919
920
...
995
996
997
998
999
1000
1001

1002
1003
1004
1005
1006
1007
1008
....
1281
1282
1283
1284
1285
1286
1287








**
*************************************************************************
** Main file for the SQLite library.  The routines in this file
** implement the programmer interface to the library.  Routines in
** other files are for internal use by SQLite and should not be
** accessed by users of the library.
**
** $Id: main.c,v 1.24 2006/08/13 15:56:07 rmsimpson Exp $
*/
#include "sqliteInt.h"
#include "os.h"
#include <ctype.h>

/*
** The following constant value is used by the SQLITE_BIGENDIAN and
................................................................................

/*
** Return a static string that describes the kind of error specified in the
** argument.
*/
const char *sqlite3ErrStr(int rc){
  const char *z;
  switch( rc ){
    case SQLITE_ROW:
    case SQLITE_DONE:
    case SQLITE_OK:         z = "not an error";                          break;
    case SQLITE_ERROR:      z = "SQL logic error or missing database";   break;
    case SQLITE_PERM:       z = "access permission denied";              break;
    case SQLITE_ABORT:      z = "callback requested query abort";        break;
    case SQLITE_BUSY:       z = "database is locked";                    break;
................................................................................
  rc = sqlite3CreateFunc(db, zFunc8, nArg, eTextRep, p, xFunc, xStep, xFinal);
  sqliteFree(zFunc8);

  return sqlite3ApiExit(db, rc);
}
#endif



























#ifndef SQLITE_OMIT_TRACE
/*
** Register a trace function.  The pArg from the previously registered trace
** is returned.  
**
** A NULL trace function means that no tracing is executes.  A non-NULL
** trace is a pointer to a function that is invoked at the start of each
................................................................................
int sqlite3_errcode(sqlite3 *db){
  if( !db || sqlite3MallocFailed() ){
    return SQLITE_NOMEM;
  }
  if( sqlite3SafetyCheck(db) ){
    return SQLITE_MISUSE;
  }
  return db->errCode;
}

/*
** Create a new collating function for database "db".  The name is zName
** and the encoding is enc.
*/
static int createCollation(
................................................................................
  CollSeq *pColl;

  assert( !sqlite3MallocFailed() );

  /* Allocate the sqlite data structure */
  db = sqliteMalloc( sizeof(sqlite3) );
  if( db==0 ) goto opendb_out;

  db->priorNewRowid = 0;
  db->magic = SQLITE_MAGIC_BUSY;
  db->nDb = 2;
  db->aDb = db->aDbStatic;
  db->autoCommit = 1;
  db->flags |= SQLITE_ShortColNames
#if SQLITE_DEFAULT_FILE_FORMAT<4
................................................................................
#endif

  /* Register all built-in functions, but do not attempt to read the
  ** database schema yet. This is delayed until the first time the database
  ** is accessed.
  */
  if( !sqlite3MallocFailed() ){
    sqlite3RegisterBuiltinFunctions(db);
    sqlite3Error(db, SQLITE_OK, 0);

  }
  db->magic = SQLITE_MAGIC_OPEN;













opendb_out:
  if( SQLITE_NOMEM==(rc = sqlite3_errcode(db)) ){
    sqlite3_close(db);
    db = 0;
  }
  *ppDb = db;
................................................................................
int sqlite3_reset(sqlite3_stmt *pStmt){
  int rc;
  if( pStmt==0 ){
    rc = SQLITE_OK;
  }else{
    rc = sqlite3VdbeReset((Vdbe*)pStmt);
    sqlite3VdbeMakeReady((Vdbe*)pStmt, -1, 0, 0, 0);

  }
  return rc;
}

/*
** Register a new collation sequence with the database handle db.
*/
................................................................................

/*
** Sleep for a little while.  Return the amount of time slept.
*/
int sqlite3_sleep(int ms){
  return sqlite3OsSleep(ms);
}















|







 







|







 







>
>
>
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>
>
>
>
>
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>
>







 







|







 







>







 







<

>


>
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>
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>







 







>







 







>
>
>
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>
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10
11
12
13
14
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16
17
18
19
20
21
22
23
24
...
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
...
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
...
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
...
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
...
930
931
932
933
934
935
936

937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
....
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
....
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
**
*************************************************************************
** Main file for the SQLite library.  The routines in this file
** implement the programmer interface to the library.  Routines in
** other files are for internal use by SQLite and should not be
** accessed by users of the library.
**
** $Id: main.c,v 1.25 2006/10/12 21:34:21 rmsimpson Exp $
*/
#include "sqliteInt.h"
#include "os.h"
#include <ctype.h>

/*
** The following constant value is used by the SQLITE_BIGENDIAN and
................................................................................

/*
** Return a static string that describes the kind of error specified in the
** argument.
*/
const char *sqlite3ErrStr(int rc){
  const char *z;
  switch( rc & 0xff ){
    case SQLITE_ROW:
    case SQLITE_DONE:
    case SQLITE_OK:         z = "not an error";                          break;
    case SQLITE_ERROR:      z = "SQL logic error or missing database";   break;
    case SQLITE_PERM:       z = "access permission denied";              break;
    case SQLITE_ABORT:      z = "callback requested query abort";        break;
    case SQLITE_BUSY:       z = "database is locked";                    break;
................................................................................
  rc = sqlite3CreateFunc(db, zFunc8, nArg, eTextRep, p, xFunc, xStep, xFinal);
  sqliteFree(zFunc8);

  return sqlite3ApiExit(db, rc);
}
#endif


/*
** Declare that a function has been overloaded by a virtual table.
**
** If the function already exists as a regular global function, then
** this routine is a no-op.  If the function does not exist, then create
** a new one that always throws a run-time error.  
**
** When virtual tables intend to provide an overloaded function, they
** should call this routine to make sure the global function exists.
** A global function must exist in order for name resolution to work
** properly.
*/
int sqlite3_overload_function(
  sqlite3 *db,
  const char *zName,
  int nArg
){
  int nName = strlen(zName);
  if( sqlite3FindFunction(db, zName, nName, nArg, SQLITE_UTF8, 0)==0 ){
    sqlite3CreateFunc(db, zName, nArg, SQLITE_UTF8,
                      0, sqlite3InvalidFunction, 0, 0);
  }
  return sqlite3ApiExit(db, SQLITE_OK);
}

#ifndef SQLITE_OMIT_TRACE
/*
** Register a trace function.  The pArg from the previously registered trace
** is returned.  
**
** A NULL trace function means that no tracing is executes.  A non-NULL
** trace is a pointer to a function that is invoked at the start of each
................................................................................
int sqlite3_errcode(sqlite3 *db){
  if( !db || sqlite3MallocFailed() ){
    return SQLITE_NOMEM;
  }
  if( sqlite3SafetyCheck(db) ){
    return SQLITE_MISUSE;
  }
  return db->errCode & db->errMask;
}

/*
** Create a new collating function for database "db".  The name is zName
** and the encoding is enc.
*/
static int createCollation(
................................................................................
  CollSeq *pColl;

  assert( !sqlite3MallocFailed() );

  /* Allocate the sqlite data structure */
  db = sqliteMalloc( sizeof(sqlite3) );
  if( db==0 ) goto opendb_out;
  db->errMask = 0xff;
  db->priorNewRowid = 0;
  db->magic = SQLITE_MAGIC_BUSY;
  db->nDb = 2;
  db->aDb = db->aDbStatic;
  db->autoCommit = 1;
  db->flags |= SQLITE_ShortColNames
#if SQLITE_DEFAULT_FILE_FORMAT<4
................................................................................
#endif

  /* Register all built-in functions, but do not attempt to read the
  ** database schema yet. This is delayed until the first time the database
  ** is accessed.
  */
  if( !sqlite3MallocFailed() ){

    sqlite3Error(db, SQLITE_OK, 0);
    sqlite3RegisterBuiltinFunctions(db);
  }
  db->magic = SQLITE_MAGIC_OPEN;

  /* Load automatic extensions - extensions that have been registered
  ** using the sqlite3_automatic_extension() API.
  */
  sqlite3AutoLoadExtensions(db);

#ifdef SQLITE_ENABLE_FTS1
  {
    extern int sqlite3Fts1Init(sqlite3*);
    sqlite3Fts1Init(db);
  }
#endif

opendb_out:
  if( SQLITE_NOMEM==(rc = sqlite3_errcode(db)) ){
    sqlite3_close(db);
    db = 0;
  }
  *ppDb = db;
................................................................................
int sqlite3_reset(sqlite3_stmt *pStmt){
  int rc;
  if( pStmt==0 ){
    rc = SQLITE_OK;
  }else{
    rc = sqlite3VdbeReset((Vdbe*)pStmt);
    sqlite3VdbeMakeReady((Vdbe*)pStmt, -1, 0, 0, 0);
    assert( (rc & (sqlite3_db_handle(pStmt)->errMask))==rc );
  }
  return rc;
}

/*
** Register a new collation sequence with the database handle db.
*/
................................................................................

/*
** Sleep for a little while.  Return the amount of time slept.
*/
int sqlite3_sleep(int ms){
  return sqlite3OsSleep(ms);
}

/*
** Enable or disable the extended result codes.
*/
int sqlite3_extended_result_codes(sqlite3 *db, int onoff){
  db->errMask = onoff ? 0xffffffff : 0xff;
  return SQLITE_OK;
}

Changes to SQLite.Interop/src/os_common.h.

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** is used for testing the I/O recovery logic.
*/
#ifdef SQLITE_TEST
int sqlite3_io_error_hit = 0;
int sqlite3_io_error_pending = 0;
int sqlite3_diskfull_pending = 0;
int sqlite3_diskfull = 0;
#define SimulateIOError(A)  \
   if( sqlite3_io_error_pending ) \
     if( sqlite3_io_error_pending-- == 1 ){ local_ioerr(); return A; }
static void local_ioerr(){
  sqlite3_io_error_hit = 1;  /* Really just a place to set a breakpoint */
}
#define SimulateDiskfullError \
   if( sqlite3_diskfull_pending ){ \
     if( sqlite3_diskfull_pending == 1 ){ \
       local_ioerr(); \
       sqlite3_diskfull = 1; \
       return SQLITE_FULL; \
     }else{ \
       sqlite3_diskfull_pending--; \
     } \
   }
#else
#define SimulateIOError(A)
#define SimulateDiskfullError
#endif

/*
** When testing, keep a count of the number of open files.
*/
#ifdef SQLITE_TEST
int sqlite3_open_file_count = 0;







|

|



|




|






|







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** is used for testing the I/O recovery logic.
*/
#ifdef SQLITE_TEST
int sqlite3_io_error_hit = 0;
int sqlite3_io_error_pending = 0;
int sqlite3_diskfull_pending = 0;
int sqlite3_diskfull = 0;
#define SimulateIOError(CODE)  \
   if( sqlite3_io_error_pending ) \
     if( sqlite3_io_error_pending-- == 1 ){ local_ioerr(); CODE; }
static void local_ioerr(){
  sqlite3_io_error_hit = 1;  /* Really just a place to set a breakpoint */
}
#define SimulateDiskfullError(CODE) \
   if( sqlite3_diskfull_pending ){ \
     if( sqlite3_diskfull_pending == 1 ){ \
       local_ioerr(); \
       sqlite3_diskfull = 1; \
       CODE; \
     }else{ \
       sqlite3_diskfull_pending--; \
     } \
   }
#else
#define SimulateIOError(A)
#define SimulateDiskfullError(A)
#endif

/*
** When testing, keep a count of the number of open files.
*/
#ifdef SQLITE_TEST
int sqlite3_open_file_count = 0;

Changes to SQLite.Interop/src/os_os2.c.

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** Read data from a file into a buffer.  Return SQLITE_OK if all
** bytes were read successfully and SQLITE_IOERR if anything goes
** wrong.
*/
int os2Read( OsFile *id, void *pBuf, int amt ){
  ULONG got;
  assert( id!=0 );
  SimulateIOError( SQLITE_IOERR );
  TRACE3( "READ %d lock=%d\n", ((os2File*)id)->h, ((os2File*)id)->locktype );
  DosRead( ((os2File*)id)->h, pBuf, amt, &got );
  return (got == (ULONG)amt) ? SQLITE_OK : SQLITE_IOERR;
}

/*
** Write data from a buffer into a file.  Return SQLITE_OK on success
** or some other error code on failure.
*/
int os2Write( OsFile *id, const void *pBuf, int amt ){
  APIRET rc = NO_ERROR;
  ULONG wrote;
  assert( id!=0 );
  SimulateIOError( SQLITE_IOERR );
  SimulateDiskfullError;
  TRACE3( "WRITE %d lock=%d\n", ((os2File*)id)->h, ((os2File*)id)->locktype );
  while( amt > 0 &&
      (rc = DosWrite( ((os2File*)id)->h, (PVOID)pBuf, amt, &wrote )) && wrote > 0 ){
      amt -= wrote;
      pBuf = &((char*)pBuf)[wrote];
  }

................................................................................
}

/*
** Sync the directory zDirname. This is a no-op on operating systems other
** than UNIX.
*/
int sqlite3Os2SyncDirectory( const char *zDirname ){
  SimulateIOError( SQLITE_IOERR );
  return SQLITE_OK;
}

/*
** Truncate an open file to a specified size
*/
int os2Truncate( OsFile *id, i64 nByte ){
  APIRET rc = NO_ERROR;
  ULONG upperBits = nByte>>32;
  assert( id!=0 );
  TRACE3( "TRUNCATE %d %lld\n", ((os2File*)id)->h, nByte );
  SimulateIOError( SQLITE_IOERR );
  rc = DosSetFilePtr( ((os2File*)id)->h, nByte, FILE_BEGIN, &upperBits );
  if( rc != NO_ERROR ){
    return SQLITE_IOERR;
  }
  rc = DosSetFilePtr( ((os2File*)id)->h, 0L, FILE_END, &upperBits );
  return rc == NO_ERROR ? SQLITE_OK : SQLITE_IOERR;
}
................................................................................
** Determine the current size of a file in bytes
*/
int os2FileSize( OsFile *id, i64 *pSize ){
  APIRET rc = NO_ERROR;
  FILESTATUS3 fsts3FileInfo;
  memset(&fsts3FileInfo, 0, sizeof(fsts3FileInfo));
  assert( id!=0 );
  SimulateIOError( SQLITE_IOERR );
  rc = DosQueryFileInfo( ((os2File*)id)->h, FIL_STANDARD, &fsts3FileInfo, sizeof(FILESTATUS3) );
  if( rc == NO_ERROR ){
    *pSize = fsts3FileInfo.cbFile;
    return SQLITE_OK;
  }
  else{
    return SQLITE_IOERR;







|













|
|







 







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|







 







|







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** Read data from a file into a buffer.  Return SQLITE_OK if all
** bytes were read successfully and SQLITE_IOERR if anything goes
** wrong.
*/
int os2Read( OsFile *id, void *pBuf, int amt ){
  ULONG got;
  assert( id!=0 );
  SimulateIOError( return SQLITE_IOERR );
  TRACE3( "READ %d lock=%d\n", ((os2File*)id)->h, ((os2File*)id)->locktype );
  DosRead( ((os2File*)id)->h, pBuf, amt, &got );
  return (got == (ULONG)amt) ? SQLITE_OK : SQLITE_IOERR;
}

/*
** Write data from a buffer into a file.  Return SQLITE_OK on success
** or some other error code on failure.
*/
int os2Write( OsFile *id, const void *pBuf, int amt ){
  APIRET rc = NO_ERROR;
  ULONG wrote;
  assert( id!=0 );
  SimulateIOError( return SQLITE_IOERR );
  SimulateDiskfullError( return SQLITE_FULL );
  TRACE3( "WRITE %d lock=%d\n", ((os2File*)id)->h, ((os2File*)id)->locktype );
  while( amt > 0 &&
      (rc = DosWrite( ((os2File*)id)->h, (PVOID)pBuf, amt, &wrote )) && wrote > 0 ){
      amt -= wrote;
      pBuf = &((char*)pBuf)[wrote];
  }

................................................................................
}

/*
** Sync the directory zDirname. This is a no-op on operating systems other
** than UNIX.
*/
int sqlite3Os2SyncDirectory( const char *zDirname ){
  SimulateIOError( return SQLITE_IOERR );
  return SQLITE_OK;
}

/*
** Truncate an open file to a specified size
*/
int os2Truncate( OsFile *id, i64 nByte ){
  APIRET rc = NO_ERROR;
  ULONG upperBits = nByte>>32;
  assert( id!=0 );
  TRACE3( "TRUNCATE %d %lld\n", ((os2File*)id)->h, nByte );
  SimulateIOError( return SQLITE_IOERR );
  rc = DosSetFilePtr( ((os2File*)id)->h, nByte, FILE_BEGIN, &upperBits );
  if( rc != NO_ERROR ){
    return SQLITE_IOERR;
  }
  rc = DosSetFilePtr( ((os2File*)id)->h, 0L, FILE_END, &upperBits );
  return rc == NO_ERROR ? SQLITE_OK : SQLITE_IOERR;
}
................................................................................
** Determine the current size of a file in bytes
*/
int os2FileSize( OsFile *id, i64 *pSize ){
  APIRET rc = NO_ERROR;
  FILESTATUS3 fsts3FileInfo;
  memset(&fsts3FileInfo, 0, sizeof(fsts3FileInfo));
  assert( id!=0 );
  SimulateIOError( return SQLITE_IOERR );
  rc = DosQueryFileInfo( ((os2File*)id)->h, FIL_STANDARD, &fsts3FileInfo, sizeof(FILESTATUS3) );
  if( rc == NO_ERROR ){
    *pSize = fsts3FileInfo.cbFile;
    return SQLITE_OK;
  }
  else{
    return SQLITE_IOERR;

Changes to SQLite.Interop/src/os_unix.c.

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**
** This file contains code that is specific to Unix systems.
*/
#include "sqliteInt.h"
#include "os.h"
#if OS_UNIX              /* This file is used on unix only */



/*
** These #defines should enable >2GB file support on Posix if the
** underlying operating system supports it.  If the OS lacks
** large file support, these should be no-ops.
**
** Large file support can be disabled using the -DSQLITE_DISABLE_LFS switch
** on the compiler command line.  This is necessary if you are compiling
................................................................................
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
#include <time.h>
#include <sys/time.h>
#include <errno.h>






/*
** If we are to be thread-safe, include the pthreads header and define
** the SQLITE_UNIX_THREADS macro.
*/
#if defined(THREADSAFE) && THREADSAFE
# include <pthread.h>
................................................................................
** protability layer.
*/
typedef struct unixFile unixFile;
struct unixFile {
  IoMethod const *pMethod;  /* Always the first entry */
  struct openCnt *pOpen;    /* Info about all open fd's on this inode */
  struct lockInfo *pLock;   /* Info about locks on this inode */



  int h;                    /* The file descriptor */
  unsigned char locktype;   /* The type of lock held on this fd */
  unsigned char isOpen;     /* True if needs to be closed */
  unsigned char fullSync;   /* Use F_FULLSYNC if available */
  int dirfd;                /* File descriptor for the directory */
  i64 offset;               /* Seek offset */
#ifdef SQLITE_UNIX_THREADS
................................................................................
** these hash tables must be protected by a mutex.
*/
static Hash lockHash = {SQLITE_HASH_BINARY, 0, 0, 0, 
    sqlite3ThreadSafeMalloc, sqlite3ThreadSafeFree, 0, 0};
static Hash openHash = {SQLITE_HASH_BINARY, 0, 0, 0, 
    sqlite3ThreadSafeMalloc, sqlite3ThreadSafeFree, 0, 0};



























#ifdef SQLITE_UNIX_THREADS
/*
** This variable records whether or not threads can override each others
** locks.
**
**    0:  No.  Threads cannot override each others locks.
**    1:  Yes.  Threads can override each others locks.
................................................................................
#endif /* SQLITE_UNIX_THREADS */

/*
** Release a lockInfo structure previously allocated by findLockInfo().
*/
static void releaseLockInfo(struct lockInfo *pLock){
  assert( sqlite3OsInMutex(1) );


  pLock->nRef--;
  if( pLock->nRef==0 ){
    sqlite3HashInsert(&lockHash, &pLock->key, sizeof(pLock->key), 0);
    sqlite3ThreadSafeFree(pLock);
  }
}

/*
** Release a openCnt structure previously allocated by findLockInfo().
*/
static void releaseOpenCnt(struct openCnt *pOpen){
  assert( sqlite3OsInMutex(1) );


  pOpen->nRef--;
  if( pOpen->nRef==0 ){
    sqlite3HashInsert(&openHash, &pOpen->key, sizeof(pOpen->key), 0);
    free(pOpen->aPending);
    sqlite3ThreadSafeFree(pOpen);
  }
}








































































/*
** Given a file descriptor, locate lockInfo and openCnt structures that
** describes that file descriptor.  Create new ones if necessary.  The
** return values might be uninitialized if an error occurs.
**
** Return the number of errors.
*/
................................................................................
  }
  if( pFile->locktype!=NO_LOCK ){
    /* We cannot change ownership while we are holding a lock! */
    return SQLITE_MISUSE;
  }
  TRACE4("Transfer ownership of %d from %d to %d\n", pFile->h,pFile->tid,hSelf);
  pFile->tid = hSelf;

  releaseLockInfo(pFile->pLock);
  rc = findLockInfo(pFile->h, &pFile->pLock, 0);
  TRACE5("LOCK    %d is now %s(%s,%d)\n", pFile->h,
     locktypeName(pFile->locktype),
     locktypeName(pFile->pLock->locktype), pFile->pLock->cnt);
  return rc;



}
#else
  /* On single-threaded builds, ownership transfer is a no-op */
# define transferOwnership(X) SQLITE_OK
#endif

/*
................................................................................
** Return TRUE if the named file exists.
*/
int sqlite3UnixFileExists(const char *zFilename){
  return access(zFilename, 0)==0;
}

/* Forward declaration */
static int allocateUnixFile(unixFile *pInit, OsFile **pId);






/*
** Attempt to open a file for both reading and writing.  If that
** fails, try opening it read-only.  If the file does not exist,
** try to create it.
**
** On success, a handle for the open file is written to *id
................................................................................
** *id and *pReadonly unchanged.
*/
int sqlite3UnixOpenReadWrite(
  const char *zFilename,
  OsFile **pId,
  int *pReadonly
){
  int rc;
  unixFile f;

  CRASH_TEST_OVERRIDE(sqlite3CrashOpenReadWrite, zFilename, pId, pReadonly);
  assert( 0==*pId );
  f.h = open(zFilename, O_RDWR|O_CREAT|O_LARGEFILE|O_BINARY,
                          SQLITE_DEFAULT_FILE_PERMISSIONS);
  if( f.h<0 ){
#ifdef EISDIR
    if( errno==EISDIR ){
      return SQLITE_CANTOPEN;
    }
#endif
    f.h = open(zFilename, O_RDONLY|O_LARGEFILE|O_BINARY);
    if( f.h<0 ){
      return SQLITE_CANTOPEN; 
    }
    *pReadonly = 1;
  }else{
    *pReadonly = 0;
  }
  sqlite3OsEnterMutex();
  rc = findLockInfo(f.h, &f.pLock, &f.pOpen);
  sqlite3OsLeaveMutex();
  if( rc ){
    close(f.h);
    return SQLITE_NOMEM;
  }
  TRACE3("OPEN    %-3d %s\n", f.h, zFilename);
  return allocateUnixFile(&f, pId);
}


/*
** Attempt to open a new file for exclusive access by this process.
** The file will be opened for both reading and writing.  To avoid
** a potential security problem, we do not allow the file to have
................................................................................
** the file when it is closed.
**
** On success, write the file handle into *id and return SQLITE_OK.
**
** On failure, return SQLITE_CANTOPEN.
*/
int sqlite3UnixOpenExclusive(const char *zFilename, OsFile **pId, int delFlag){
  int rc;
  unixFile f;

  CRASH_TEST_OVERRIDE(sqlite3CrashOpenExclusive, zFilename, pId, delFlag);
  assert( 0==*pId );
  f.h = open(zFilename,
                O_RDWR|O_CREAT|O_EXCL|O_NOFOLLOW|O_LARGEFILE|O_BINARY,
                SQLITE_DEFAULT_FILE_PERMISSIONS);
  if( f.h<0 ){
    return SQLITE_CANTOPEN;
  }
  sqlite3OsEnterMutex();
  rc = findLockInfo(f.h, &f.pLock, &f.pOpen);
  sqlite3OsLeaveMutex();
  if( rc ){
    close(f.h);
    unlink(zFilename);
    return SQLITE_NOMEM;
  }
  if( delFlag ){
    unlink(zFilename);
  }
  TRACE3("OPEN-EX %-3d %s\n", f.h, zFilename);
  return allocateUnixFile(&f, pId);
}

/*
** Attempt to open a new file for read-only access.
**
** On success, write the file handle into *id and return SQLITE_OK.
**
** On failure, return SQLITE_CANTOPEN.
*/
int sqlite3UnixOpenReadOnly(const char *zFilename, OsFile **pId){
  int rc;
  unixFile f;

  CRASH_TEST_OVERRIDE(sqlite3CrashOpenReadOnly, zFilename, pId, 0);
  assert( 0==*pId );
  f.h = open(zFilename, O_RDONLY|O_LARGEFILE|O_BINARY);
  if( f.h<0 ){
    return SQLITE_CANTOPEN;
  }
  sqlite3OsEnterMutex();
  rc = findLockInfo(f.h, &f.pLock, &f.pOpen);
  sqlite3OsLeaveMutex();
  if( rc ){
    close(f.h);
    return SQLITE_NOMEM;
  }
  TRACE3("OPEN-RO %-3d %s\n", f.h, zFilename);
  return allocateUnixFile(&f, pId);
}

/*
** Attempt to open a file descriptor for the directory that contains a
** file.  This file descriptor can be used to fsync() the directory
** in order to make sure the creation of a new file is actually written
** to disk.
**
** This routine is only meaningful for Unix.  It is a no-op under
** windows since windows does not support hard links.



**
** On success, a handle for a previously open file at *id is
** updated with the new directory file descriptor and SQLITE_OK is
** returned.
**
** On failure, the function returns SQLITE_CANTOPEN and leaves
** *id unchanged.
................................................................................
** Read data from a file into a buffer.  Return SQLITE_OK if all
** bytes were read successfully and SQLITE_IOERR if anything goes
** wrong.
*/
static int unixRead(OsFile *id, void *pBuf, int amt){
  int got;
  assert( id );
  SimulateIOError(SQLITE_IOERR);
  TIMER_START;
  got = seekAndRead((unixFile*)id, pBuf, amt);
  TIMER_END;
  TRACE5("READ    %-3d %5d %7d %d\n", ((unixFile*)id)->h, got,
          last_page, TIMER_ELAPSED);
  SEEK(0);
  /* if( got<0 ) got = 0; */
  if( got==amt ){
    return SQLITE_OK;


  }else{
    return SQLITE_IOERR;
  }
}

/*
** Seek to the offset in id->offset then read cnt bytes into pBuf.
** Return the number of bytes actually read.  Update the offset.
*/
................................................................................
** Write data from a buffer into a file.  Return SQLITE_OK on success
** or some other error code on failure.
*/
static int unixWrite(OsFile *id, const void *pBuf, int amt){
  int wrote = 0;
  assert( id );
  assert( amt>0 );
  SimulateIOError(SQLITE_IOERR);
  SimulateDiskfullError;
  TIMER_START;
  while( amt>0 && (wrote = seekAndWrite((unixFile*)id, pBuf, amt))>0 ){
    amt -= wrote;
    pBuf = &((char*)pBuf)[wrote];
  }
  TIMER_END;
  TRACE5("WRITE   %-3d %5d %7d %d\n", ((unixFile*)id)->h, wrote,
          last_page, TIMER_ELAPSED);
  SEEK(0);


  if( amt>0 ){



    return SQLITE_FULL;

  }
  return SQLITE_OK;
}

/*
** Move the read/write pointer in a file.
*/
static int unixSeek(OsFile *id, i64 offset){
  assert( id );
  SEEK(offset/1024 + 1);
#ifdef SQLITE_TEST
  if( offset ) SimulateDiskfullError
#endif
  ((unixFile*)id)->offset = offset;
  return SQLITE_OK;
}

#ifdef SQLITE_TEST
/*
................................................................................
#ifdef SQLITE_NO_SYNC
  rc = SQLITE_OK;
#else

#if HAVE_FULLFSYNC
  if( fullSync ){
    rc = fcntl(fd, F_FULLFSYNC, 0);
  }else{
    rc = 1;
  }
  /* If the FULLSYNC failed, try to do a normal fsync() */
  if( rc ) rc = fsync(fd);

#else /* if !defined(F_FULLSYNC) */
  if( dataOnly ){
    rc = fdatasync(fd);
  }else{
    rc = fsync(fd);
  }
#endif /* defined(F_FULLFSYNC) */
#endif /* defined(SQLITE_NO_SYNC) */

  return rc;
}

/*
** Make sure all writes to a particular file are committed to disk.
................................................................................
** If we do not do this and we encounter a power failure, the directory
** entry for the journal might not exist after we reboot.  The next
** SQLite to access the file will not know that the journal exists (because
** the directory entry for the journal was never created) and the transaction
** will not roll back - possibly leading to database corruption.
*/
static int unixSync(OsFile *id, int dataOnly){

  unixFile *pFile = (unixFile*)id;
  assert( pFile );
  SimulateIOError(SQLITE_IOERR);
  TRACE2("SYNC    %-3d\n", pFile->h);
  if( full_fsync(pFile->h, pFile->fullSync, dataOnly) ){


    return SQLITE_IOERR;
  }
  if( pFile->dirfd>=0 ){
    TRACE4("DIRSYNC %-3d (have_fullfsync=%d fullsync=%d)\n", pFile->dirfd,
            HAVE_FULLFSYNC, pFile->fullSync);
#ifndef SQLITE_DISABLE_DIRSYNC
    /* The directory sync is only attempted if full_fsync is
    ** turned off or unavailable.  If a full_fsync occurred above,
................................................................................
*/
int sqlite3UnixSyncDirectory(const char *zDirname){
#ifdef SQLITE_DISABLE_DIRSYNC
  return SQLITE_OK;
#else
  int fd;
  int r;
  SimulateIOError(SQLITE_IOERR);
  fd = open(zDirname, O_RDONLY|O_BINARY, 0);
  TRACE3("DIRSYNC %-3d (%s)\n", fd, zDirname);
  if( fd<0 ){
    return SQLITE_CANTOPEN; 
  }
  r = fsync(fd);
  close(fd);
  return ((r==0)?SQLITE_OK:SQLITE_IOERR);





#endif
}

/*
** Truncate an open file to a specified size
*/
static int unixTruncate(OsFile *id, i64 nByte){

  assert( id );
  SimulateIOError(SQLITE_IOERR);
  return ftruncate(((unixFile*)id)->h, nByte)==0 ? SQLITE_OK : SQLITE_IOERR;






}

/*
** Determine the current size of a file in bytes
*/
static int unixFileSize(OsFile *id, i64 *pSize){

  struct stat buf;
  assert( id );
  SimulateIOError(SQLITE_IOERR);
  if( fstat(((unixFile*)id)->h, &buf)!=0 ){


    return SQLITE_IOERR;
  }
  *pSize = buf.st_size;
  return SQLITE_OK;
}

/*
** This routine checks if there is a RESERVED lock held on the specified
................................................................................
    s = fcntl(pFile->h, F_SETLK, &lock);

    /* Drop the temporary PENDING lock */
    lock.l_start = PENDING_BYTE;
    lock.l_len = 1L;
    lock.l_type = F_UNLCK;
    if( fcntl(pFile->h, F_SETLK, &lock)!=0 ){
      rc = SQLITE_IOERR;  /* This should never happen */
      goto end_lock;
    }
    if( s ){
      rc = (errno==EINVAL) ? SQLITE_NOLFS : SQLITE_BUSY;
    }else{
      pFile->locktype = SHARED_LOCK;
      pFile->pOpen->nLock++;
................................................................................
    if( locktype==SHARED_LOCK ){
      lock.l_type = F_RDLCK;
      lock.l_whence = SEEK_SET;
      lock.l_start = SHARED_FIRST;
      lock.l_len = SHARED_SIZE;
      if( fcntl(pFile->h, F_SETLK, &lock)!=0 ){
        /* This should never happen */
        rc = SQLITE_IOERR;
      }
    }
    lock.l_type = F_UNLCK;
    lock.l_whence = SEEK_SET;
    lock.l_start = PENDING_BYTE;
    lock.l_len = 2L;  assert( PENDING_BYTE+1==RESERVED_BYTE );
    if( fcntl(pFile->h, F_SETLK, &lock)==0 ){
      pLock->locktype = SHARED_LOCK;
    }else{
      rc = SQLITE_IOERR;  /* This should never happen */
    }
  }
  if( locktype==NO_LOCK ){
    struct openCnt *pOpen;

    /* Decrement the shared lock counter.  Release the lock using an
    ** OS call only when all threads in this same process have released
................................................................................
    if( pLock->cnt==0 ){
      lock.l_type = F_UNLCK;
      lock.l_whence = SEEK_SET;
      lock.l_start = lock.l_len = 0L;
      if( fcntl(pFile->h, F_SETLK, &lock)==0 ){
        pLock->locktype = NO_LOCK;
      }else{
        rc = SQLITE_IOERR;  /* This should never happen */
      }
    }

    /* Decrement the count of locks against this same file.  When the
    ** count reaches zero, close any other file descriptors whose close
    ** was deferred because of outstanding locks.
    */
................................................................................
  TRACE2("CLOSE   %-3d\n", id->h);
  OpenCounter(-1);
  sqlite3ThreadSafeFree(id);
  *pId = 0;
  return SQLITE_OK;
}
































































































































































































































































































































































































































































































































































































/*
** Turn a relative pathname into a full pathname.  Return a pointer
** to the full pathname stored in space obtained from sqliteMalloc().
** The calling function is responsible for freeing this space once it
** is no longer needed.
*/
char *sqlite3UnixFullPathname(const char *zRelative){
................................................................................
  unixFileSize,
  unixLock,
  unixUnlock,
  unixLockState,
  unixCheckReservedLock,
};


/*






















































































** Allocate memory for a unixFile.  Initialize the new unixFile
** to the value given in pInit and return a pointer to the new
** OsFile.  If we run out of memory, close the file and return NULL.
*/







static int allocateUnixFile(unixFile *pInit, OsFile **pId){






  unixFile *pNew;





















  pInit->dirfd = -1;
  pInit->fullSync = 0;
  pInit->locktype = 0;
  pInit->offset = 0;

  SET_THREADID(pInit);
  pNew = sqlite3ThreadSafeMalloc( sizeof(unixFile) );
  if( pNew==0 ){
    close(pInit->h);
    sqlite3OsEnterMutex();
    releaseLockInfo(pInit->pLock);
    releaseOpenCnt(pInit->pOpen);

















































































    sqlite3OsLeaveMutex();
    *pId = 0;
    return SQLITE_NOMEM;
  }else{
    *pNew = *pInit;
    pNew->pMethod = &sqlite3UnixIoMethod;
    *pId = (OsFile*)pNew;
    OpenCounter(+1);
    return SQLITE_OK;
  }
}


#endif /* SQLITE_OMIT_DISKIO */
/***************************************************************************
** Everything above deals with file I/O.  Everything that follows deals
** with other miscellanous aspects of the operating system interface
****************************************************************************/








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12
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**
** This file contains code that is specific to Unix systems.
*/
#include "sqliteInt.h"
#include "os.h"
#if OS_UNIX              /* This file is used on unix only */

/* #define SQLITE_ENABLE_LOCKING_STYLE 0 */

/*
** These #defines should enable >2GB file support on Posix if the
** underlying operating system supports it.  If the OS lacks
** large file support, these should be no-ops.
**
** Large file support can be disabled using the -DSQLITE_DISABLE_LFS switch
** on the compiler command line.  This is necessary if you are compiling
................................................................................
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
#include <time.h>
#include <sys/time.h>
#include <errno.h>
#ifdef SQLITE_ENABLE_LOCKING_STYLE
#include <sys/ioctl.h>
#include <sys/param.h>
#include <sys/mount.h>
#endif /* SQLITE_ENABLE_LOCKING_STYLE */

/*
** If we are to be thread-safe, include the pthreads header and define
** the SQLITE_UNIX_THREADS macro.
*/
#if defined(THREADSAFE) && THREADSAFE
# include <pthread.h>
................................................................................
** protability layer.
*/
typedef struct unixFile unixFile;
struct unixFile {
  IoMethod const *pMethod;  /* Always the first entry */
  struct openCnt *pOpen;    /* Info about all open fd's on this inode */
  struct lockInfo *pLock;   /* Info about locks on this inode */
#ifdef SQLITE_ENABLE_LOCKING_STYLE
  void *lockingContext;     /* Locking style specific state */
#endif /* SQLITE_ENABLE_LOCKING_STYLE */
  int h;                    /* The file descriptor */
  unsigned char locktype;   /* The type of lock held on this fd */
  unsigned char isOpen;     /* True if needs to be closed */
  unsigned char fullSync;   /* Use F_FULLSYNC if available */
  int dirfd;                /* File descriptor for the directory */
  i64 offset;               /* Seek offset */
#ifdef SQLITE_UNIX_THREADS
................................................................................
** these hash tables must be protected by a mutex.
*/
static Hash lockHash = {SQLITE_HASH_BINARY, 0, 0, 0, 
    sqlite3ThreadSafeMalloc, sqlite3ThreadSafeFree, 0, 0};
static Hash openHash = {SQLITE_HASH_BINARY, 0, 0, 0, 
    sqlite3ThreadSafeMalloc, sqlite3ThreadSafeFree, 0, 0};

#ifdef SQLITE_ENABLE_LOCKING_STYLE
/*
** The locking styles are associated with the different file locking
** capabilities supported by different file systems.  
**
** POSIX locking style fully supports shared and exclusive byte-range locks 
** ADP locking only supports exclusive byte-range locks
** FLOCK only supports a single file-global exclusive lock
** DOTLOCK isn't a true locking style, it refers to the use of a special
**   file named the same as the database file with a '.lock' extension, this
**   can be used on file systems that do not offer any reliable file locking
** NO locking means that no locking will be attempted, this is only used for
**   read-only file systems currently
** UNSUPPORTED means that no locking will be attempted, this is only used for
**   file systems that are known to be unsupported
*/
typedef enum {
	posixLockingStyle = 0,       /* standard posix-advisory locks */
	afpLockingStyle,             /* use afp locks */
	flockLockingStyle,           /* use flock() */
	dotlockLockingStyle,         /* use <file>.lock files */
	noLockingStyle,              /* useful for read-only file system */
	unsupportedLockingStyle      /* indicates unsupported file system */
} sqlite3LockingStyle;
#endif /* SQLITE_ENABLE_LOCKING_STYLE */

#ifdef SQLITE_UNIX_THREADS
/*
** This variable records whether or not threads can override each others
** locks.
**
**    0:  No.  Threads cannot override each others locks.
**    1:  Yes.  Threads can override each others locks.
................................................................................
#endif /* SQLITE_UNIX_THREADS */

/*
** Release a lockInfo structure previously allocated by findLockInfo().
*/
static void releaseLockInfo(struct lockInfo *pLock){
  assert( sqlite3OsInMutex(1) );
  if (pLock == NULL)
    return;
  pLock->nRef--;
  if( pLock->nRef==0 ){
    sqlite3HashInsert(&lockHash, &pLock->key, sizeof(pLock->key), 0);
    sqlite3ThreadSafeFree(pLock);
  }
}

/*
** Release a openCnt structure previously allocated by findLockInfo().
*/
static void releaseOpenCnt(struct openCnt *pOpen){
  assert( sqlite3OsInMutex(1) );
  if (pOpen == NULL)
    return;
  pOpen->nRef--;
  if( pOpen->nRef==0 ){
    sqlite3HashInsert(&openHash, &pOpen->key, sizeof(pOpen->key), 0);
    free(pOpen->aPending);
    sqlite3ThreadSafeFree(pOpen);
  }
}

#ifdef SQLITE_ENABLE_LOCKING_STYLE
/*
** Tests a byte-range locking query to see if byte range locks are 
** supported, if not we fall back to dotlockLockingStyle.
*/
static sqlite3LockingStyle sqlite3TestLockingStyle(const char *filePath, 
  int fd) {
  /* test byte-range lock using fcntl */
  struct flock lockInfo;
  
  lockInfo.l_len = 1;
  lockInfo.l_start = 0;
  lockInfo.l_whence = SEEK_SET;
  lockInfo.l_type = F_RDLCK;
  
  if (fcntl(fd, F_GETLK, (int) &lockInfo) != -1) {
    return posixLockingStyle;
  } 
  
  /* testing for flock can give false positives.  So if if the above test
  ** fails, then we fall back to using dot-lock style locking.
  */  
  return dotlockLockingStyle;
}

/* 
** Examines the f_fstypename entry in the statfs structure as returned by 
** stat() for the file system hosting the database file, assigns the 
** appropriate locking style based on it's value.  These values and 
** assignments are based on Darwin/OSX behavior and have not been tested on 
** other systems.
*/
static sqlite3LockingStyle sqlite3DetectLockingStyle(const char *filePath, 
  int fd) {

#ifdef SQLITE_FIXED_LOCKING_STYLE
  return (sqlite3LockingStyle)SQLITE_FIXED_LOCKING_STYLE;
#else
  struct statfs fsInfo;

  if (statfs(filePath, &fsInfo) == -1)
    return sqlite3TestLockingStyle(filePath, fd);
  
  if (fsInfo.f_flags & MNT_RDONLY)
    return noLockingStyle;
  
  if( (!strcmp(fsInfo.f_fstypename, "hfs")) ||
    (!strcmp(fsInfo.f_fstypename, "ufs")) )
		return posixLockingStyle;
  
  if(!strcmp(fsInfo.f_fstypename, "afpfs"))
    return afpLockingStyle;
  
  if(!strcmp(fsInfo.f_fstypename, "nfs")) 
    return sqlite3TestLockingStyle(filePath, fd);
  
  if(!strcmp(fsInfo.f_fstypename, "smbfs"))
    return flockLockingStyle;
  
  if(!strcmp(fsInfo.f_fstypename, "msdos"))
    return dotlockLockingStyle;
  
  if(!strcmp(fsInfo.f_fstypename, "webdav"))
    return unsupportedLockingStyle;
  
  return sqlite3TestLockingStyle(filePath, fd);  
#endif // SQLITE_FIXED_LOCKING_STYLE
}

#endif /* SQLITE_ENABLE_LOCKING_STYLE */

/*
** Given a file descriptor, locate lockInfo and openCnt structures that
** describes that file descriptor.  Create new ones if necessary.  The
** return values might be uninitialized if an error occurs.
**
** Return the number of errors.
*/
................................................................................
  }
  if( pFile->locktype!=NO_LOCK ){
    /* We cannot change ownership while we are holding a lock! */
    return SQLITE_MISUSE;
  }
  TRACE4("Transfer ownership of %d from %d to %d\n", pFile->h,pFile->tid,hSelf);
  pFile->tid = hSelf;
  if (pFile->pLock != NULL) {
    releaseLockInfo(pFile->pLock);
    rc = findLockInfo(pFile->h, &pFile->pLock, 0);
    TRACE5("LOCK    %d is now %s(%s,%d)\n", pFile->h,
           locktypeName(pFile->locktype),
           locktypeName(pFile->pLock->locktype), pFile->pLock->cnt);
    return rc;
  } else {
    return SQLITE_OK;
  }
}
#else
  /* On single-threaded builds, ownership transfer is a no-op */
# define transferOwnership(X) SQLITE_OK
#endif

/*
................................................................................
** Return TRUE if the named file exists.
*/
int sqlite3UnixFileExists(const char *zFilename){
  return access(zFilename, 0)==0;
}

/* Forward declaration */
static int allocateUnixFile(
  int h,                    /* File descriptor of the open file */
  OsFile **pId,             /* Write the real file descriptor here */
  const char *zFilename,    /* Name of the file being opened */
  int delFlag               /* If true, make sure the file deletes on close */
);

/*
** Attempt to open a file for both reading and writing.  If that
** fails, try opening it read-only.  If the file does not exist,
** try to create it.
**
** On success, a handle for the open file is written to *id
................................................................................
** *id and *pReadonly unchanged.
*/
int sqlite3UnixOpenReadWrite(
  const char *zFilename,
  OsFile **pId,
  int *pReadonly
){
  int h;

  
  CRASH_TEST_OVERRIDE(sqlite3CrashOpenReadWrite, zFilename, pId, pReadonly);
  assert( 0==*pId );
  h = open(zFilename, O_RDWR|O_CREAT|O_LARGEFILE|O_BINARY,
                        SQLITE_DEFAULT_FILE_PERMISSIONS);
  if( h<0 ){
#ifdef EISDIR
    if( errno==EISDIR ){
      return SQLITE_CANTOPEN;
    }
#endif
    h = open(zFilename, O_RDONLY|O_LARGEFILE|O_BINARY);
    if( h<0 ){
      return SQLITE_CANTOPEN; 
    }
    *pReadonly = 1;
  }else{
    *pReadonly = 0;
  }








  return allocateUnixFile(h, pId, zFilename, 0);
}


/*
** Attempt to open a new file for exclusive access by this process.
** The file will be opened for both reading and writing.  To avoid
** a potential security problem, we do not allow the file to have
................................................................................
** the file when it is closed.
**
** On success, write the file handle into *id and return SQLITE_OK.
**
** On failure, return SQLITE_CANTOPEN.
*/
int sqlite3UnixOpenExclusive(const char *zFilename, OsFile **pId, int delFlag){
  int h;


  CRASH_TEST_OVERRIDE(sqlite3CrashOpenExclusive, zFilename, pId, delFlag);
  assert( 0==*pId );
  h = open(zFilename,
                O_RDWR|O_CREAT|O_EXCL|O_NOFOLLOW|O_LARGEFILE|O_BINARY,
                SQLITE_DEFAULT_FILE_PERMISSIONS);
  if( h<0 ){
    return SQLITE_CANTOPEN;
  }












  return allocateUnixFile(h, pId, zFilename, delFlag);
}

/*
** Attempt to open a new file for read-only access.
**
** On success, write the file handle into *id and return SQLITE_OK.
**
** On failure, return SQLITE_CANTOPEN.
*/
int sqlite3UnixOpenReadOnly(const char *zFilename, OsFile **pId){
  int h;

  
  CRASH_TEST_OVERRIDE(sqlite3CrashOpenReadOnly, zFilename, pId, 0);
  assert( 0==*pId );
  h = open(zFilename, O_RDONLY|O_LARGEFILE|O_BINARY);
  if( h<0 ){
    return SQLITE_CANTOPEN;
  }








  return allocateUnixFile(h, pId, zFilename, 0);
}

/*
** Attempt to open a file descriptor for the directory that contains a
** file.  This file descriptor can be used to fsync() the directory
** in order to make sure the creation of a new file is actually written
** to disk.
**
** This routine is only meaningful for Unix.  It is a no-op under
** windows since windows does not support hard links.
**
** If FULL_FSYNC is enabled, this function is not longer useful, 
** a FULL_FSYNC sync applies to all pending disk operations.
**
** On success, a handle for a previously open file at *id is
** updated with the new directory file descriptor and SQLITE_OK is
** returned.
**
** On failure, the function returns SQLITE_CANTOPEN and leaves
** *id unchanged.
................................................................................
** Read data from a file into a buffer.  Return SQLITE_OK if all
** bytes were read successfully and SQLITE_IOERR if anything goes
** wrong.
*/
static int unixRead(OsFile *id, void *pBuf, int amt){
  int got;
  assert( id );

  TIMER_START;
  got = seekAndRead((unixFile*)id, pBuf, amt);
  TIMER_END;
  TRACE5("READ    %-3d %5d %7d %d\n", ((unixFile*)id)->h, got,
          last_page, TIMER_ELAPSED);
  SEEK(0);
  SimulateIOError( got=0 );
  if( got==amt ){
    return SQLITE_OK;
  }else if( got<0 ){
    return SQLITE_IOERR_READ;
  }else{
    return SQLITE_IOERR_SHORT_READ;
  }
}

/*
** Seek to the offset in id->offset then read cnt bytes into pBuf.
** Return the number of bytes actually read.  Update the offset.
*/
................................................................................
** Write data from a buffer into a file.  Return SQLITE_OK on success
** or some other error code on failure.
*/
static int unixWrite(OsFile *id, const void *pBuf, int amt){
  int wrote = 0;
  assert( id );
  assert( amt>0 );


  TIMER_START;
  while( amt>0 && (wrote = seekAndWrite((unixFile*)id, pBuf, amt))>0 ){
    amt -= wrote;
    pBuf = &((char*)pBuf)[wrote];
  }
  TIMER_END;
  TRACE5("WRITE   %-3d %5d %7d %d\n", ((unixFile*)id)->h, wrote,
          last_page, TIMER_ELAPSED);
  SEEK(0);
  SimulateIOError(( wrote=(-1), amt=1 ));
  SimulateDiskfullError(( wrote=0, amt=1 ));
  if( amt>0 ){
    if( wrote<0 ){
      return SQLITE_IOERR_WRITE;
    }else{
      return SQLITE_FULL;
    }
  }
  return SQLITE_OK;
}

/*
** Move the read/write pointer in a file.
*/
static int unixSeek(OsFile *id, i64 offset){
  assert( id );
  SEEK(offset/1024 + 1);
#ifdef SQLITE_TEST
  if( offset ) SimulateDiskfullError(return SQLITE_FULL);
#endif
  ((unixFile*)id)->offset = offset;
  return SQLITE_OK;
}

#ifdef SQLITE_TEST
/*
................................................................................
#ifdef SQLITE_NO_SYNC
  rc = SQLITE_OK;
#else

#if HAVE_FULLFSYNC
  if( fullSync ){
    rc = fcntl(fd, F_FULLFSYNC, 0);
  }else
#endif /* HAVE_FULLFSYNC */





  if( dataOnly ){
    rc = fdatasync(fd);
  }else{
    rc = fsync(fd);
  }

#endif /* defined(SQLITE_NO_SYNC) */

  return rc;
}

/*
** Make sure all writes to a particular file are committed to disk.
................................................................................
** If we do not do this and we encounter a power failure, the directory
** entry for the journal might not exist after we reboot.  The next
** SQLite to access the file will not know that the journal exists (because
** the directory entry for the journal was never created) and the transaction
** will not roll back - possibly leading to database corruption.
*/
static int unixSync(OsFile *id, int dataOnly){
  int rc;
  unixFile *pFile = (unixFile*)id;
  assert( pFile );

  TRACE2("SYNC    %-3d\n", pFile->h);
  rc = full_fsync(pFile->h, pFile->fullSync, dataOnly);
  SimulateIOError( rc=1 );
  if( rc ){
    return SQLITE_IOERR_FSYNC;
  }
  if( pFile->dirfd>=0 ){
    TRACE4("DIRSYNC %-3d (have_fullfsync=%d fullsync=%d)\n", pFile->dirfd,
            HAVE_FULLFSYNC, pFile->fullSync);
#ifndef SQLITE_DISABLE_DIRSYNC
    /* The directory sync is only attempted if full_fsync is
    ** turned off or unavailable.  If a full_fsync occurred above,
................................................................................
*/
int sqlite3UnixSyncDirectory(const char *zDirname){
#ifdef SQLITE_DISABLE_DIRSYNC
  return SQLITE_OK;
#else
  int fd;
  int r;

  fd = open(zDirname, O_RDONLY|O_BINARY, 0);
  TRACE3("DIRSYNC %-3d (%s)\n", fd, zDirname);
  if( fd<0 ){
    return SQLITE_CANTOPEN; 
  }
  r = fsync(fd);
  close(fd);
  SimulateIOError( r=1 );
  if( r ){
    return SQLITE_IOERR_DIR_FSYNC;
  }else{
    return SQLITE_OK;
  }
#endif
}

/*
** Truncate an open file to a specified size
*/
static int unixTruncate(OsFile *id, i64 nByte){
  int rc;
  assert( id );

  rc = ftruncate(((unixFile*)id)->h, nByte);
  SimulateIOError( rc=1 );
  if( rc ){
    return SQLITE_IOERR_TRUNCATE;
  }else{
    return SQLITE_OK;
  }
}

/*
** Determine the current size of a file in bytes
*/
static int unixFileSize(OsFile *id, i64 *pSize){
  int rc;
  struct stat buf;
  assert( id );

  rc = fstat(((unixFile*)id)->h, &buf);
  SimulateIOError( rc=1 );
  if( rc!=0 ){
    return SQLITE_IOERR_FSTAT;
  }
  *pSize = buf.st_size;
  return SQLITE_OK;
}

/*
** This routine checks if there is a RESERVED lock held on the specified
................................................................................
    s = fcntl(pFile->h, F_SETLK, &lock);

    /* Drop the temporary PENDING lock */
    lock.l_start = PENDING_BYTE;
    lock.l_len = 1L;
    lock.l_type = F_UNLCK;
    if( fcntl(pFile->h, F_SETLK, &lock)!=0 ){
      rc = SQLITE_IOERR_UNLOCK;  /* This should never happen */
      goto end_lock;
    }
    if( s ){
      rc = (errno==EINVAL) ? SQLITE_NOLFS : SQLITE_BUSY;
    }else{
      pFile->locktype = SHARED_LOCK;
      pFile->pOpen->nLock++;
................................................................................
    if( locktype==SHARED_LOCK ){
      lock.l_type = F_RDLCK;
      lock.l_whence = SEEK_SET;
      lock.l_start = SHARED_FIRST;
      lock.l_len = SHARED_SIZE;
      if( fcntl(pFile->h, F_SETLK, &lock)!=0 ){
        /* This should never happen */
        rc = SQLITE_IOERR_RDLOCK;
      }
    }
    lock.l_type = F_UNLCK;
    lock.l_whence = SEEK_SET;
    lock.l_start = PENDING_BYTE;
    lock.l_len = 2L;  assert( PENDING_BYTE+1==RESERVED_BYTE );
    if( fcntl(pFile->h, F_SETLK, &lock)==0 ){
      pLock->locktype = SHARED_LOCK;
    }else{
      rc = SQLITE_IOERR_UNLOCK;  /* This should never happen */
    }
  }
  if( locktype==NO_LOCK ){
    struct openCnt *pOpen;

    /* Decrement the shared lock counter.  Release the lock using an
    ** OS call only when all threads in this same process have released
................................................................................
    if( pLock->cnt==0 ){
      lock.l_type = F_UNLCK;
      lock.l_whence = SEEK_SET;
      lock.l_start = lock.l_len = 0L;
      if( fcntl(pFile->h, F_SETLK, &lock)==0 ){
        pLock->locktype = NO_LOCK;
      }else{
        rc = SQLITE_IOERR_UNLOCK;  /* This should never happen */
      }
    }

    /* Decrement the count of locks against this same file.  When the
    ** count reaches zero, close any other file descriptors whose close
    ** was deferred because of outstanding locks.
    */
................................................................................
  TRACE2("CLOSE   %-3d\n", id->h);
  OpenCounter(-1);
  sqlite3ThreadSafeFree(id);
  *pId = 0;
  return SQLITE_OK;
}


#ifdef SQLITE_ENABLE_LOCKING_STYLE
#pragma mark AFP Support

/*
 ** The afpLockingContext structure contains all afp lock specific state
 */
typedef struct afpLockingContext afpLockingContext;
struct afpLockingContext {
  unsigned long long sharedLockByte;
  char *filePath;
};

struct ByteRangeLockPB2
{
  unsigned long long offset;        /* offset to first byte to lock */
  unsigned long long length;        /* nbr of bytes to lock */
  unsigned long long retRangeStart; /* nbr of 1st byte locked if successful */
  unsigned char unLockFlag;         /* 1 = unlock, 0 = lock */
  unsigned char startEndFlag;       /* 1=rel to end of fork, 0=rel to start */
  int fd;                           /* file desc to assoc this lock with */
};

#define afpfsByteRangeLock2FSCTL	_IOWR('z', 23, struct ByteRangeLockPB2)

/* return 0 on success, 1 on failure.  To match the behavior of the 
  normal posix file locking (used in unixLock for example), we should 
  provide 'richer' return codes - specifically to differentiate between
  'file busy' and 'file system error' results */
static int _AFPFSSetLock(const char *path, int fd, unsigned long long offset, 
                         unsigned long long length, int setLockFlag)
{
  struct ByteRangeLockPB2	pb;
  int                     err;
  
  pb.unLockFlag = setLockFlag ? 0 : 1;
  pb.startEndFlag = 0;
  pb.offset = offset;
  pb.length = length; 
  pb.fd = fd;
  TRACE5("AFPLOCK setting lock %s for %d in range %llx:%llx\n", 
    (setLockFlag?"ON":"OFF"), fd, offset, length);
  err = fsctl(path, afpfsByteRangeLock2FSCTL, &pb, 0);
  if ( err==-1 ) {
    TRACE4("AFPLOCK failed to fsctl() '%s' %d %s\n", path, errno, 
      strerror(errno));
    return 1; // error
  } else {
    return 0;
  }
}

/*
 ** This routine checks if there is a RESERVED lock held on the specified
 ** file by this or any other process. If such a lock is held, return
 ** non-zero.  If the file is unlocked or holds only SHARED locks, then
 ** return zero.
 */
static int afpUnixCheckReservedLock(OsFile *id){
  int r = 0;
  unixFile *pFile = (unixFile*)id;
  
  assert( pFile ); 
  afpLockingContext *context = (afpLockingContext *) pFile->lockingContext;
  
  /* Check if a thread in this process holds such a lock */
  if( pFile->locktype>SHARED_LOCK ){
    r = 1;
  }
  
  /* Otherwise see if some other process holds it.
   */
  if ( !r ) {
    // lock the byte
    int failed = _AFPFSSetLock(context->filePath, pFile->h, RESERVED_BYTE, 1,1);  
    if (failed) {
      /* if we failed to get the lock then someone else must have it */
      r = 1;
    } else {
      /* if we succeeded in taking the reserved lock, unlock it to restore
      ** the original state */
      _AFPFSSetLock(context->filePath, pFile->h, RESERVED_BYTE, 1, 0);
    }
  }
  TRACE3("TEST WR-LOCK %d %d\n", pFile->h, r);
  
  return r;
}

/* AFP-style locking following the behavior of unixLock, see the unixLock 
** function comments for details of lock management. */
static int afpUnixLock(OsFile *id, int locktype)
{
  int rc = SQLITE_OK;
  unixFile *pFile = (unixFile*)id;
  afpLockingContext *context = (afpLockingContext *) pFile->lockingContext;
  int gotPendingLock = 0;
  
  assert( pFile );
  TRACE5("LOCK    %d %s was %s pid=%d\n", pFile->h,
         locktypeName(locktype), locktypeName(pFile->locktype), getpid());  
  /* If there is already a lock of this type or more restrictive on the
    ** OsFile, do nothing. Don't use the afp_end_lock: exit path, as
    ** sqlite3OsEnterMutex() hasn't been called yet.
    */
  if( pFile->locktype>=locktype ){
    TRACE3("LOCK    %d %s ok (already held)\n", pFile->h,
           locktypeName(locktype));
    return SQLITE_OK;
  }

  /* Make sure the locking sequence is correct
    */
  assert( pFile->locktype!=NO_LOCK || locktype==SHARED_LOCK );
  assert( locktype!=PENDING_LOCK );
  assert( locktype!=RESERVED_LOCK || pFile->locktype==SHARED_LOCK );
  
  /* This mutex is needed because pFile->pLock is shared across threads
    */
  sqlite3OsEnterMutex();

  /* Make sure the current thread owns the pFile.
    */
  rc = transferOwnership(pFile);
  if( rc!=SQLITE_OK ){
    sqlite3OsLeaveMutex();
    return rc;
  }
    
  /* A PENDING lock is needed before acquiring a SHARED lock and before
    ** acquiring an EXCLUSIVE lock.  For the SHARED lock, the PENDING will
    ** be released.
    */
  if( locktype==SHARED_LOCK 
      || (locktype==EXCLUSIVE_LOCK && pFile->locktype<PENDING_LOCK)
      ){
    int failed = _AFPFSSetLock(context->filePath, pFile->h, 
      PENDING_BYTE, 1, 1);
    if (failed) {
      rc = SQLITE_BUSY;
      goto afp_end_lock;
    }
  }
  
  /* If control gets to this point, then actually go ahead and make
    ** operating system calls for the specified lock.
    */
  if( locktype==SHARED_LOCK ){
    int lk, failed;
    int tries = 0;
    
    /* Now get the read-lock */
    /* note that the quality of the randomness doesn't matter that much */
    lk = random(); 
    context->sharedLockByte = (lk & 0x7fffffff)%(SHARED_SIZE - 1);
    failed = _AFPFSSetLock(context->filePath, pFile->h, 
      SHARED_FIRST+context->sharedLockByte, 1, 1);
    
    /* Drop the temporary PENDING lock */
    if (_AFPFSSetLock(context->filePath, pFile->h, PENDING_BYTE, 1, 0)) {
      rc = SQLITE_IOERR_UNLOCK;  /* This should never happen */
      goto afp_end_lock;
    }
    
    if( failed ){
      rc = SQLITE_BUSY;
    } else {
      pFile->locktype = SHARED_LOCK;
    }
  }else{
    /* The request was for a RESERVED or EXCLUSIVE lock.  It is
    ** assumed that there is a SHARED or greater lock on the file
    ** already.
    */
    int failed = 0;
    assert( 0!=pFile->locktype );
    if (locktype >= RESERVED_LOCK && pFile->locktype < RESERVED_LOCK) {
        /* Acquire a RESERVED lock */
        failed = _AFPFSSetLock(context->filePath, pFile->h, RESERVED_BYTE, 1,1);
    }
    if (!failed && locktype == EXCLUSIVE_LOCK) {
      /* Acquire an EXCLUSIVE lock */
        
      /* Remove the shared lock before trying the range.  we'll need to 
      ** reestablish the shared lock if we can't get the  afpUnixUnlock
      */
      if (!_AFPFSSetLock(context->filePath, pFile->h, SHARED_FIRST +
                         context->sharedLockByte, 1, 0)) {
        /* now attemmpt to get the exclusive lock range */
        failed = _AFPFSSetLock(context->filePath, pFile->h, SHARED_FIRST, 
                               SHARED_SIZE, 1);
        if (failed && _AFPFSSetLock(context->filePath, pFile->h, SHARED_FIRST +
                                    context->sharedLockByte, 1, 1)) {
          rc = SQLITE_IOERR_RDLOCK; /* this should never happen */
        }
      } else {
        /* */
        rc = SQLITE_IOERR_UNLOCK; /* this should never happen */
      }
    }
    if( failed && rc == SQLITE_OK){
      rc = SQLITE_BUSY;
    }
  }
  
  if( rc==SQLITE_OK ){
    pFile->locktype = locktype;
  }else if( locktype==EXCLUSIVE_LOCK ){
    pFile->locktype = PENDING_LOCK;
  }
  
afp_end_lock:
    sqlite3OsLeaveMutex();
  TRACE4("LOCK    %d %s %s\n", pFile->h, locktypeName(locktype), 
         rc==SQLITE_OK ? "ok" : "failed");
  return rc;
}

/*
 ** Lower the locking level on file descriptor pFile to locktype.  locktype
 ** must be either NO_LOCK or SHARED_LOCK.
 **
 ** If the locking level of the file descriptor is already at or below
 ** the requested locking level, this routine is a no-op.
 */
static int afpUnixUnlock(OsFile *id, int locktype) {
  struct flock lock;
  int rc = SQLITE_OK;
  unixFile *pFile = (unixFile*)id;
  afpLockingContext *context = (afpLockingContext *) pFile->lockingContext;

  assert( pFile );
  TRACE5("UNLOCK  %d %d was %d pid=%d\n", pFile->h, locktype,
         pFile->locktype, getpid());
  
  assert( locktype<=SHARED_LOCK );
  if( pFile->locktype<=locktype ){
    return SQLITE_OK;
  }
  if( CHECK_THREADID(pFile) ){
    return SQLITE_MISUSE;
  }
  sqlite3OsEnterMutex();
  if( pFile->locktype>SHARED_LOCK ){
    if( locktype==SHARED_LOCK ){
      int failed = 0;

      /* unlock the exclusive range - then re-establish the shared lock */
      if (pFile->locktype==EXCLUSIVE_LOCK) {
        failed = _AFPFSSetLock(context->filePath, pFile->h, SHARED_FIRST, 
                                 SHARED_SIZE, 0);
        if (!failed) {
          /* successfully removed the exclusive lock */
          if (_AFPFSSetLock(context->filePath, pFile->h, SHARED_FIRST+
                            context->sharedLockByte, 1, 1)) {
            /* failed to re-establish our shared lock */
            rc = SQLITE_IOERR_RDLOCK; /* This should never happen */
          }
        } else {
          /* This should never happen - failed to unlock the exclusive range */
          rc = SQLITE_IOERR_UNLOCK;
        } 
      }
    }
    if (rc == SQLITE_OK && pFile->locktype>=PENDING_LOCK) {
      if (_AFPFSSetLock(context->filePath, pFile->h, PENDING_BYTE, 1, 0)){
        /* failed to release the pending lock */
        rc = SQLITE_IOERR_UNLOCK; /* This should never happen */
      }
    } 
    if (rc == SQLITE_OK && pFile->locktype>=RESERVED_LOCK) {
      if (_AFPFSSetLock(context->filePath, pFile->h, RESERVED_BYTE, 1, 0)) {
        /* failed to release the reserved lock */
        rc = SQLITE_IOERR_UNLOCK;  /* This should never happen */
      }
    } 
  }
  if( locktype==NO_LOCK ){
    int failed = _AFPFSSetLock(context->filePath, pFile->h, 
                               SHARED_FIRST + context->sharedLockByte, 1, 0);
    if (failed) {
      rc = SQLITE_IOERR_UNLOCK;  /* This should never happen */
    }
  }
  if (rc == SQLITE_OK)
    pFile->locktype = locktype;
  sqlite3OsLeaveMutex();
  return rc;
}

/*
 ** Close a file & cleanup AFP specific locking context 
 */
static int afpUnixClose(OsFile **pId) {
  unixFile *id = (unixFile*)*pId;
  
  if( !id ) return SQLITE_OK;
  afpUnixUnlock(*pId, NO_LOCK);
  /* free the AFP locking structure */
  if (id->lockingContext != NULL) {
    if (((afpLockingContext *)id->lockingContext)->filePath != NULL)
      sqlite3ThreadSafeFree(((afpLockingContext*)id->lockingContext)->filePath);
    sqlite3ThreadSafeFree(id->lockingContext);
  }
  
  if( id->dirfd>=0 ) close(id->dirfd);
  id->dirfd = -1;
  close(id->h);
  id->isOpen = 0;
  TRACE2("CLOSE   %-3d\n", id->h);
  OpenCounter(-1);
  sqlite3ThreadSafeFree(id);
  *pId = 0;
  return SQLITE_OK;
}


#pragma mark flock() style locking

/*
 ** The flockLockingContext is not used
 */
typedef void flockLockingContext;

static int flockUnixCheckReservedLock(OsFile *id) {
  unixFile *pFile = (unixFile*)id;
  
  if (pFile->locktype == RESERVED_LOCK) {
    return 1; // already have a reserved lock
  } else {
    // attempt to get the lock
    int rc = flock(pFile->h, LOCK_EX | LOCK_NB);
    if (!rc) {
      // got the lock, unlock it
      flock(pFile->h, LOCK_UN);
      return 0;  // no one has it reserved
    }
    return 1; // someone else might have it reserved
  }
}

static int flockUnixLock(OsFile *id, int locktype) {
  unixFile *pFile = (unixFile*)id;
  
  // if we already have a lock, it is exclusive.  
  // Just adjust level and punt on outta here.
  if (pFile->locktype > NO_LOCK) {
    pFile->locktype = locktype;
    return SQLITE_OK;
  }
  
  // grab an exclusive lock
  int rc = flock(pFile->h, LOCK_EX | LOCK_NB);
  if (rc) {
    // didn't get, must be busy
    return SQLITE_BUSY;
  } else {
    // got it, set the type and return ok
    pFile->locktype = locktype;
    return SQLITE_OK;
  }
}

static int flockUnixUnlock(OsFile *id, int locktype) {
  unixFile *pFile = (unixFile*)id;
  
  assert( locktype<=SHARED_LOCK );
  
  // no-op if possible
  if( pFile->locktype==locktype ){
    return SQLITE_OK;
  }
  
  // shared can just be set because we always have an exclusive
  if (locktype==SHARED_LOCK) {
    pFile->locktype = locktype;
    return SQLITE_OK;
  }
  
  // no, really, unlock.
  int rc = flock(pFile->h, LOCK_UN);
  if (rc)
    return SQLITE_IOERR_UNLOCK;
  else {
    pFile->locktype = NO_LOCK;
    return SQLITE_OK;
  }
}

/*
 ** Close a file.
 */
static int flockUnixClose(OsFile **pId) {
  unixFile *id = (unixFile*)*pId;
  
  if( !id ) return SQLITE_OK;
  flockUnixUnlock(*pId, NO_LOCK);
  
  if( id->dirfd>=0 ) close(id->dirfd);
  id->dirfd = -1;
  sqlite3OsEnterMutex();
  
  close(id->h);  
  sqlite3OsLeaveMutex();
  id->isOpen = 0;
  TRACE2("CLOSE   %-3d\n", id->h);
  OpenCounter(-1);
  sqlite3ThreadSafeFree(id);
  *pId = 0;
  return SQLITE_OK;
}

#pragma mark Old-School .lock file based locking

/*
 ** The dotlockLockingContext structure contains all dotlock (.lock) lock
 ** specific state
 */
typedef struct dotlockLockingContext dotlockLockingContext;
struct dotlockLockingContext {
  char *lockPath;
};


static int dotlockUnixCheckReservedLock(OsFile *id) {
  unixFile *pFile = (unixFile*)id;
  dotlockLockingContext *context = 
    (dotlockLockingContext *) pFile->lockingContext;
  
  if (pFile->locktype == RESERVED_LOCK) {
    return 1; // already have a reserved lock
  } else {
    struct stat statBuf;
    if (lstat(context->lockPath,&statBuf) == 0)
      // file exists, someone else has the lock
      return 1;
    else
      // file does not exist, we could have it if we want it
      return 0;
  }
}

static int dotlockUnixLock(OsFile *id, int locktype) {
  unixFile *pFile = (unixFile*)id;
  dotlockLockingContext *context = 
    (dotlockLockingContext *) pFile->lockingContext;
  
  // if we already have a lock, it is exclusive.  
  // Just adjust level and punt on outta here.
  if (pFile->locktype > NO_LOCK) {
    pFile->locktype = locktype;
    
    /* Always update the timestamp on the old file */
    utimes(context->lockPath,NULL);
    return SQLITE_OK;
  }
  
  // check to see if lock file already exists
  struct stat statBuf;
  if (lstat(context->lockPath,&statBuf) == 0){
    return SQLITE_BUSY; // it does, busy
  }
  
  // grab an exclusive lock
  int fd = open(context->lockPath,O_RDONLY|O_CREAT|O_EXCL,0600);
  if (fd < 0) {
    // failed to open/create the file, someone else may have stolen the lock
    return SQLITE_BUSY; 
  }
  close(fd);
  
  // got it, set the type and return ok
  pFile->locktype = locktype;
  return SQLITE_OK;
}

static int dotlockUnixUnlock(OsFile *id, int locktype) {
  unixFile *pFile = (unixFile*)id;
  dotlockLockingContext *context = 
    (dotlockLockingContext *) pFile->lockingContext;
  
  assert( locktype<=SHARED_LOCK );
  
  // no-op if possible
  if( pFile->locktype==locktype ){
    return SQLITE_OK;
  }
  
  // shared can just be set because we always have an exclusive
  if (locktype==SHARED_LOCK) {
    pFile->locktype = locktype;
    return SQLITE_OK;
  }
  
  // no, really, unlock.
  unlink(context->lockPath);
  pFile->locktype = NO_LOCK;
  return SQLITE_OK;
}

/*
 ** Close a file.
 */
static int dotlockUnixClose(OsFile **pId) {
  unixFile *id = (unixFile*)*pId;
  
  if( !id ) return SQLITE_OK;
  dotlockUnixUnlock(*pId, NO_LOCK);
  /* free the dotlock locking structure */
  if (id->lockingContext != NULL) {
    if (((dotlockLockingContext *)id->lockingContext)->lockPath != NULL)
      sqlite3ThreadSafeFree( ( (dotlockLockingContext *)
        id->lockingContext)->lockPath);
    sqlite3ThreadSafeFree(id->lockingContext);
  }
  
  if( id->dirfd>=0 ) close(id->dirfd);
  id->dirfd = -1;
  sqlite3OsEnterMutex();
  
  close(id->h);
  
  sqlite3OsLeaveMutex();
  id->isOpen = 0;
  TRACE2("CLOSE   %-3d\n", id->h);
  OpenCounter(-1);
  sqlite3ThreadSafeFree(id);
  *pId = 0;
  return SQLITE_OK;
}


#pragma mark No locking

/*
 ** The nolockLockingContext is void
 */
typedef void nolockLockingContext;

static int nolockUnixCheckReservedLock(OsFile *id) {
  return 0;
}

static int nolockUnixLock(OsFile *id, int locktype) {
  return SQLITE_OK;
}

static int nolockUnixUnlock(OsFile *id, int locktype) {
  return SQLITE_OK;
}

/*
 ** Close a file.
 */
static int nolockUnixClose(OsFile **pId) {
  unixFile *id = (unixFile*)*pId;
  
  if( !id ) return SQLITE_OK;
  if( id->dirfd>=0 ) close(id->dirfd);
  id->dirfd = -1;
  sqlite3OsEnterMutex();
  
  close(id->h);
  
  sqlite3OsLeaveMutex();
  id->isOpen = 0;
  TRACE2("CLOSE   %-3d\n", id->h);
  OpenCounter(-1);
  sqlite3ThreadSafeFree(id);
  *pId = 0;
  return SQLITE_OK;
}

#endif /* SQLITE_ENABLE_LOCKING_STYLE */

/*
** Turn a relative pathname into a full pathname.  Return a pointer
** to the full pathname stored in space obtained from sqliteMalloc().
** The calling function is responsible for freeing this space once it
** is no longer needed.
*/
char *sqlite3UnixFullPathname(const char *zRelative){
................................................................................
  unixFileSize,
  unixLock,
  unixUnlock,
  unixLockState,
  unixCheckReservedLock,
};

#ifdef SQLITE_ENABLE_LOCKING_STYLE
/*
 ** This vector defines all the methods that can operate on an OsFile
 ** for unix with AFP style file locking.
 */
static const IoMethod sqlite3AFPLockingUnixIoMethod = {
    afpUnixClose,
    unixOpenDirectory,
    unixRead,
    unixWrite,
    unixSeek,
    unixTruncate,
    unixSync,
    unixSetFullSync,
    unixFileHandle,
    unixFileSize,
    afpUnixLock,
    afpUnixUnlock,
    unixLockState,
    afpUnixCheckReservedLock,
};

/*
 ** This vector defines all the methods that can operate on an OsFile
 ** for unix with flock() style file locking.
 */
static const IoMethod sqlite3FlockLockingUnixIoMethod = {
    flockUnixClose,
    unixOpenDirectory,
    unixRead,
    unixWrite,
    unixSeek,
    unixTruncate,
    unixSync,
    unixSetFullSync,
    unixFileHandle,
    unixFileSize,
    flockUnixLock,
    flockUnixUnlock,
    unixLockState,
    flockUnixCheckReservedLock,
};

/*
 ** This vector defines all the methods that can operate on an OsFile
 ** for unix with dotlock style file locking.
 */
static const IoMethod sqlite3DotlockLockingUnixIoMethod = {
    dotlockUnixClose,
    unixOpenDirectory,
    unixRead,
    unixWrite,
    unixSeek,
    unixTruncate,
    unixSync,
    unixSetFullSync,
    unixFileHandle,
    unixFileSize,
    dotlockUnixLock,
    dotlockUnixUnlock,
    unixLockState,
    dotlockUnixCheckReservedLock,
};

/*
 ** This vector defines all the methods that can operate on an OsFile
 ** for unix with dotlock style file locking.
 */
static const IoMethod sqlite3NolockLockingUnixIoMethod = {
  nolockUnixClose,
  unixOpenDirectory,
  unixRead,
  unixWrite,
  unixSeek,
  unixTruncate,
  unixSync,
  unixSetFullSync,
  unixFileHandle,
  unixFileSize,
  nolockUnixLock,
  nolockUnixUnlock,
  unixLockState,
  nolockUnixCheckReservedLock,
};

#endif /* SQLITE_ENABLE_LOCKING_STYLE */

/*
** Allocate memory for a new unixFile and initialize that unixFile.
** Write a pointer to the new unixFile into *pId.
** If we run out of memory, close the file and return an error.
*/
#ifdef SQLITE_ENABLE_LOCKING_STYLE
/* 
 ** When locking extensions are enabled, the filepath and locking style 
 ** are needed to determine the unixFile pMethod to use for locking operations.
 ** The locking-style specific lockingContext data structure is created 
 ** and assigned here also.
 */
static int allocateUnixFile(
  int h,                  /* Open file descriptor of file being opened */
  OsFile **pId,           /* Write completed initialization here */
  const char *zFilename,  /* Name of the file being opened */
  int delFlag             /* Delete-on-or-before-close flag */
){
  sqlite3LockingStyle lockStyle;
  unixFile *pNew;
  unixFile f;
  int rc;

  lockingStyle = sqlite3DetectLockingStyle(zFilename, f.h);
  if ( lockingStyle == posixLockingStyle ) {
    sqlite3OsEnterMutex();
    rc = findLockInfo(h, &f.pLock, &f.pOpen);
    sqlite3OsLeaveMutex();
    if( rc ){
      close(h);
      unlink(zFilename);
      return SQLITE_NOMEM;
    }
  } else {
    //  pLock and pOpen are only used for posix advisory locking 
    f.pLock = NULL;
    f.pOpen = NULL;
  }
  if( delFlag ){
    unlink(zFilename);
  }
  f.dirfd = -1;
  f.fullSync = 0;
  f.locktype = 0;
  f.offset = 0;
  f.h = h;
  SET_THREADID(&f);
  pNew = sqlite3ThreadSafeMalloc( sizeof(unixFile) );
  if( pNew==0 ){
    close(h);
    sqlite3OsEnterMutex();
    releaseLockInfo(f.pLock);
    releaseOpenCnt(f.pOpen);
    sqlite3OsLeaveMutex();
    *pId = 0;
    return SQLITE_NOMEM;
  }else{
    *pNew = f;
    switch(lockStyle) {
      case afpLockingStyle:
        /* afp locking uses the file path so it needs to be included in
        ** the afpLockingContext */
        pNew->pMethod = &sqlite3AFPLockingUnixIoMethod;
        pNew->lockingContext = 
          sqlite3ThreadSafeMalloc(sizeof(afpLockingContext));
        ((afpLockingContext *)pNew->lockingContext)->filePath = 
          sqlite3ThreadSafeMalloc(strlen(zFilename) + 1);
        strcpy(((afpLockingContext *)pNew->lockingContext)->filePath, 
               zFilename);
        srandomdev();
        break;
      case flockLockingStyle:
        /* flock locking doesn't need additional lockingContext information */
        pNew->pMethod = &sqlite3FlockLockingUnixIoMethod;
        break;
      case dotlockLockingStyle:
        /* dotlock locking uses the file path so it needs to be included in
         ** the dotlockLockingContext */
        pNew->pMethod = &sqlite3DotlockLockingUnixIoMethod;
        pNew->lockingContext = sqlite3ThreadSafeMalloc(
          sizeof(dotlockLockingContext));
        ((dotlockLockingContext *)pNew->lockingContext)->lockPath = 
            sqlite3ThreadSafeMalloc(strlen(zFilename) + strlen(".lock") + 1);
        sprintf(((dotlockLockingContext *)pNew->lockingContext)->lockPath, 
                "%s.lock", zFilename);
        break;
      case posixLockingStyle:
        /* posix locking doesn't need additional lockingContext information */
        pNew->pMethod = &sqlite3UnixIoMethod;
        break;
      case noLockingStyle:
      case unsupportedLockingStyle:
      default: 
        pNew->pMethod = &sqlite3NolockLockingUnixIoMethod;
    }
    *pId = (OsFile*)pNew;
    OpenCounter(+1);
    return SQLITE_OK;
  }
}
#else /* SQLITE_ENABLE_LOCKING_STYLE */
static int allocateUnixFile(
  int h,                 /* Open file descriptor on file being opened */
  OsFile **pId,          /* Write the resul unixFile structure here */
  const char *zFilename, /* Name of the file being opened */
  int delFlag            /* If true, delete the file on or before closing */
){
  unixFile *pNew;
  unixFile f;
  int rc;

  sqlite3OsEnterMutex();
  rc = findLockInfo(h, &f.pLock, &f.pOpen);
  sqlite3OsLeaveMutex();
  if( delFlag ){
    unlink(zFilename);
  }
  if( rc ){
    close(h);
    return SQLITE_NOMEM;
  }
  TRACE3("OPEN    %-3d %s\n", h, zFilename);
  f.dirfd = -1;
  f.fullSync = 0;
  f.locktype = 0;
  f.offset = 0;
  f.h = h;
  SET_THREADID(&f);
  pNew = sqlite3ThreadSafeMalloc( sizeof(unixFile) );
  if( pNew==0 ){
    close(h);
    sqlite3OsEnterMutex();
    releaseLockInfo(f.pLock);
    releaseOpenCnt(f.pOpen);
    sqlite3OsLeaveMutex();
    *pId = 0;
    return SQLITE_NOMEM;
  }else{
    *pNew = f;
    pNew->pMethod = &sqlite3UnixIoMethod;
    *pId = (OsFile*)pNew;
    OpenCounter(+1);
    return SQLITE_OK;
  }
}
#endif /* SQLITE_ENABLE_LOCKING_STYLE */

#endif /* SQLITE_OMIT_DISKIO */
/***************************************************************************
** Everything above deals with file I/O.  Everything that follows deals
** with other miscellanous aspects of the operating system interface
****************************************************************************/

Changes to SQLite.Interop/src/os_win.c.

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int sqlite3WinDelete(const char *zFilename){
  WCHAR *zWide = utf8ToUnicode(zFilename);
  int cnt = 0;
  int rc;
  if( zWide ){
    do{
      rc = DeleteFileW(zWide);

    }while( rc==0 && cnt++ < MX_DELETION_ATTEMPTS && (Sleep(100), 1) );
    sqliteFree(zWide);
  }else{
#if OS_WINCE
    return SQLITE_NOMEM;
#else
    do{
      rc = DeleteFileA(zFilename);

    }while( rc==0 && cnt++ < MX_DELETION_ATTEMPTS && (Sleep(100), 1) );
#endif
  }
  TRACE2("DELETE \"%s\"\n", zFilename);
  return rc==0 ? SQLITE_OK : SQLITE_IOERR;
}

/*
** Return TRUE if the named file exists.
*/
int sqlite3WinFileExists(const char *zFilename){
  int exists = 0;
................................................................................
** Read data from a file into a buffer.  Return SQLITE_OK if all
** bytes were read successfully and SQLITE_IOERR if anything goes
** wrong.
*/
static int winRead(OsFile *id, void *pBuf, int amt){
  DWORD got;
  assert( id!=0 );
  SimulateIOError(SQLITE_IOERR);
  TRACE3("READ %d lock=%d\n", ((winFile*)id)->h, ((winFile*)id)->locktype);
  if( !ReadFile(((winFile*)id)->h, pBuf, amt, &got, 0) ){
    got = 0;
  }
  if( got==(DWORD)amt ){
    return SQLITE_OK;
  }else{
................................................................................
** Write data from a buffer into a file.  Return SQLITE_OK on success
** or some other error code on failure.
*/
static int winWrite(OsFile *id, const void *pBuf, int amt){
  int rc = 0;
  DWORD wrote;
  assert( id!=0 );
  SimulateIOError(SQLITE_IOERR);
  SimulateDiskfullError;
  TRACE3("WRITE %d lock=%d\n", ((winFile*)id)->h, ((winFile*)id)->locktype);
  assert( amt>0 );
  while( amt>0 && (rc = WriteFile(((winFile*)id)->h, pBuf, amt, &wrote, 0))!=0
         && wrote>0 ){
    amt -= wrote;
    pBuf = &((char*)pBuf)[wrote];
  }
................................................................................
*/
static int winSeek(OsFile *id, i64 offset){
  LONG upperBits = offset>>32;
  LONG lowerBits = offset & 0xffffffff;
  DWORD rc;
  assert( id!=0 );
#ifdef SQLITE_TEST
  if( offset ) SimulateDiskfullError
#endif
  SEEK(offset/1024 + 1);
  rc = SetFilePointer(((winFile*)id)->h, lowerBits, &upperBits, FILE_BEGIN);
  TRACE3("SEEK %d %lld\n", ((winFile*)id)->h, offset);
  if( rc==INVALID_SET_FILE_POINTER && GetLastError()!=NO_ERROR ){
    return SQLITE_FULL;
  }
................................................................................
}

/*
** Sync the directory zDirname. This is a no-op on operating systems other
** than UNIX.
*/
int sqlite3WinSyncDirectory(const char *zDirname){
  SimulateIOError(SQLITE_IOERR);
  return SQLITE_OK;
}

/*
** Truncate an open file to a specified size
*/
static int winTruncate(OsFile *id, i64 nByte){
  LONG upperBits = nByte>>32;
  assert( id!=0 );
  TRACE3("TRUNCATE %d %lld\n", ((winFile*)id)->h, nByte);
  SimulateIOError(SQLITE_IOERR);
  SetFilePointer(((winFile*)id)->h, nByte, &upperBits, FILE_BEGIN);
  SetEndOfFile(((winFile*)id)->h);
  return SQLITE_OK;
}

/*
** Determine the current size of a file in bytes
*/
static int winFileSize(OsFile *id, i64 *pSize){
  DWORD upperBits, lowerBits;
  assert( id!=0 );
  SimulateIOError(SQLITE_IOERR);
  lowerBits = GetFileSize(((winFile*)id)->h, &upperBits);
  *pSize = (((i64)upperBits)<<32) + lowerBits;
  return SQLITE_OK;
}

/*
** LOCKFILE_FAIL_IMMEDIATELY is undefined on some Windows systems.







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int sqlite3WinDelete(const char *zFilename){
  WCHAR *zWide = utf8ToUnicode(zFilename);
  int cnt = 0;
  int rc;
  if( zWide ){
    do{
      rc = DeleteFileW(zWide);
    }while( rc==0 && GetFileAttributesW(zWide)!=0xffffffff 
            && cnt++ < MX_DELETION_ATTEMPTS && (Sleep(100), 1) );
    sqliteFree(zWide);
  }else{
#if OS_WINCE
    return SQLITE_NOMEM;
#else
    do{
      rc = DeleteFileA(zFilename);
    }while( rc==0 && GetFileAttributesA(zFilename)!=0xffffffff
            && cnt++ < MX_DELETION_ATTEMPTS && (Sleep(100), 1) );
#endif
  }
  TRACE2("DELETE \"%s\"\n", zFilename);
  return rc!=0 ? SQLITE_OK : SQLITE_IOERR;
}

/*
** Return TRUE if the named file exists.
*/
int sqlite3WinFileExists(const char *zFilename){
  int exists = 0;
................................................................................
** Read data from a file into a buffer.  Return SQLITE_OK if all
** bytes were read successfully and SQLITE_IOERR if anything goes
** wrong.
*/
static int winRead(OsFile *id, void *pBuf, int amt){
  DWORD got;
  assert( id!=0 );
  SimulateIOError(return SQLITE_IOERR);
  TRACE3("READ %d lock=%d\n", ((winFile*)id)->h, ((winFile*)id)->locktype);
  if( !ReadFile(((winFile*)id)->h, pBuf, amt, &got, 0) ){
    got = 0;
  }
  if( got==(DWORD)amt ){
    return SQLITE_OK;
  }else{
................................................................................
** Write data from a buffer into a file.  Return SQLITE_OK on success
** or some other error code on failure.
*/
static int winWrite(OsFile *id, const void *pBuf, int amt){
  int rc = 0;
  DWORD wrote;
  assert( id!=0 );
  SimulateIOError(return SQLITE_IOERR);
  SimulateDiskfullError(return SQLITE_FULL);
  TRACE3("WRITE %d lock=%d\n", ((winFile*)id)->h, ((winFile*)id)->locktype);
  assert( amt>0 );
  while( amt>0 && (rc = WriteFile(((winFile*)id)->h, pBuf, amt, &wrote, 0))!=0
         && wrote>0 ){
    amt -= wrote;
    pBuf = &((char*)pBuf)[wrote];
  }
................................................................................
*/
static int winSeek(OsFile *id, i64 offset){
  LONG upperBits = offset>>32;
  LONG lowerBits = offset & 0xffffffff;
  DWORD rc;
  assert( id!=0 );
#ifdef SQLITE_TEST
  if( offset ) SimulateDiskfullError(return SQLITE_FULL);
#endif
  SEEK(offset/1024 + 1);
  rc = SetFilePointer(((winFile*)id)->h, lowerBits, &upperBits, FILE_BEGIN);
  TRACE3("SEEK %d %lld\n", ((winFile*)id)->h, offset);
  if( rc==INVALID_SET_FILE_POINTER && GetLastError()!=NO_ERROR ){
    return SQLITE_FULL;
  }
................................................................................
}

/*
** Sync the directory zDirname. This is a no-op on operating systems other
** than UNIX.
*/
int sqlite3WinSyncDirectory(const char *zDirname){
  SimulateIOError(return SQLITE_IOERR);
  return SQLITE_OK;
}

/*
** Truncate an open file to a specified size
*/
static int winTruncate(OsFile *id, i64 nByte){
  LONG upperBits = nByte>>32;
  assert( id!=0 );
  TRACE3("TRUNCATE %d %lld\n", ((winFile*)id)->h, nByte);
  SimulateIOError(return SQLITE_IOERR);
  SetFilePointer(((winFile*)id)->h, nByte, &upperBits, FILE_BEGIN);
  SetEndOfFile(((winFile*)id)->h);
  return SQLITE_OK;
}

/*
** Determine the current size of a file in bytes
*/
static int winFileSize(OsFile *id, i64 *pSize){
  DWORD upperBits, lowerBits;
  assert( id!=0 );
  SimulateIOError(return SQLITE_IOERR);
  lowerBits = GetFileSize(((winFile*)id)->h, &upperBits);
  *pSize = (((i64)upperBits)<<32) + lowerBits;
  return SQLITE_OK;
}

/*
** LOCKFILE_FAIL_IMMEDIATELY is undefined on some Windows systems.

Changes to SQLite.Interop/src/pager.c.

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** The pager is used to access a database disk file.  It implements
** atomic commit and rollback through the use of a journal file that
** is separate from the database file.  The pager also implements file
** locking to prevent two processes from writing the same database
** file simultaneously, or one process from reading the database while
** another is writing.
**
** @(#) $Id: pager.c,v 1.24 2006/08/13 15:56:08 rmsimpson Exp $
*/
#ifndef SQLITE_OMIT_DISKIO
#include "sqliteInt.h"
#include "os.h"
#include "pager.h"
#include <assert.h>
#include <string.h>
................................................................................
  u8 stmtOpen;                /* True if the statement subjournal is open */
  u8 stmtInUse;               /* True we are in a statement subtransaction */
  u8 stmtAutoopen;            /* Open stmt journal when main journal is opened*/
  u8 noSync;                  /* Do not sync the journal if true */
  u8 fullSync;                /* Do extra syncs of the journal for robustness */
  u8 full_fsync;              /* Use F_FULLFSYNC when available */
  u8 state;                   /* PAGER_UNLOCK, _SHARED, _RESERVED, etc. */
  u8 errCode;                 /* One of several kinds of errors */
  u8 tempFile;                /* zFilename is a temporary file */
  u8 readOnly;                /* True for a read-only database */
  u8 needSync;                /* True if an fsync() is needed on the journal */
  u8 dirtyCache;              /* True if cached pages have changed */
  u8 alwaysRollback;          /* Disable dont_rollback() for all pages */
  u8 memDb;                   /* True to inhibit all file I/O */
  u8 setMaster;               /* True if a m-j name has been written to jrnl */

  int dbSize;                 /* Number of pages in the file */
  int origDbSize;             /* dbSize before the current change */
  int stmtSize;               /* Size of database (in pages) at stmt_begin() */
  int nRec;                   /* Number of pages written to the journal */
  u32 cksumInit;              /* Quasi-random value added to every checksum */
  int stmtNRec;               /* Number of records in stmt subjournal */
  int nExtra;                 /* Add this many bytes to each in-memory page */
................................................................................
** The value returned is a copy of the second argument to this function. 
**
** If the second argument is SQLITE_IOERR, SQLITE_CORRUPT or SQLITE_PROTOCOL,
** the error becomes persistent. All subsequent API calls on this Pager
** will immediately return the same error code.
*/
static int pager_error(Pager *pPager, int rc){

  assert( pPager->errCode==SQLITE_FULL || pPager->errCode==SQLITE_OK );
  if( 
    rc==SQLITE_FULL ||
    rc==SQLITE_IOERR ||
    rc==SQLITE_CORRUPT ||
    rc==SQLITE_PROTOCOL
  ){
    pPager->errCode = rc;
  }
  return rc;
}

#ifdef SQLITE_CHECK_PAGES
................................................................................
      rc = pager_playback_one_page(pPager, pPager->jfd, 1);
      if( rc!=SQLITE_OK ){
        if( rc==SQLITE_DONE ){
          rc = SQLITE_OK;
          pPager->journalOff = szJ;
          break;
        }else{




          goto end_playback;
        }
      }
    }
  }
  /*NOTREACHED*/
  assert( 0 );
................................................................................
** If the PENDING_BYTE lies on the page directly after the end of the
** file, then consider this page part of the file too. For example, if
** PENDING_BYTE is byte 4096 (the first byte of page 5) and the size of the
** file is 4096 bytes, 5 is returned instead of 4.
*/
int sqlite3pager_pagecount(Pager *pPager){
  i64 n;

  assert( pPager!=0 );
  if( pPager->dbSize>=0 ){
    n = pPager->dbSize;
  } else {
    if( sqlite3OsFileSize(pPager->fd, &n)!=SQLITE_OK ){
      pager_error(pPager, SQLITE_IOERR);
      return 0;
    }
    if( n>0 && n<pPager->pageSize ){
      n = 1;
    }else{
      n /= pPager->pageSize;
    }
................................................................................
  }else{
    Pager *pTmp;
    for(pTmp = pTsd->pPager; pTmp->pNext!=pPager; pTmp=pTmp->pNext){}
    pTmp->pNext = pPager->pNext;
  }
#endif
  sqliteFree(pPager->aHash);
#ifdef SQLITE_HAS_CODEC
  sqlite3pager_free_codecarg(pPager->pCodecArg);
#endif
  sqliteFree(pPager);
  return SQLITE_OK;
}

/*
** Return the page number for the given page data.
*/
................................................................................
      if( rc!=SQLITE_OK ){
        /* An error occured whilst writing to the database file or 
        ** journal in pager_recycle(). The error is not returned to the 
        ** caller of this function. Instead, set the Pager.errCode variable.
        ** The error will be returned to the user (or users, in the case 
        ** of a shared pager cache) of the pager for which the error occured.
        */
        assert( rc==SQLITE_IOERR || rc==SQLITE_FULL );
        assert( p->state>=PAGER_RESERVED );
        pager_error(p, rc);
      }
    }
  }

  return nReleased;







|







 







<







>







 







>


|
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|







 







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** The pager is used to access a database disk file.  It implements
** atomic commit and rollback through the use of a journal file that
** is separate from the database file.  The pager also implements file
** locking to prevent two processes from writing the same database
** file simultaneously, or one process from reading the database while
** another is writing.
**
** @(#) $Id: pager.c,v 1.25 2006/10/12 21:34:21 rmsimpson Exp $
*/
#ifndef SQLITE_OMIT_DISKIO
#include "sqliteInt.h"
#include "os.h"
#include "pager.h"
#include <assert.h>
#include <string.h>
................................................................................
  u8 stmtOpen;                /* True if the statement subjournal is open */
  u8 stmtInUse;               /* True we are in a statement subtransaction */
  u8 stmtAutoopen;            /* Open stmt journal when main journal is opened*/
  u8 noSync;                  /* Do not sync the journal if true */
  u8 fullSync;                /* Do extra syncs of the journal for robustness */
  u8 full_fsync;              /* Use F_FULLFSYNC when available */
  u8 state;                   /* PAGER_UNLOCK, _SHARED, _RESERVED, etc. */

  u8 tempFile;                /* zFilename is a temporary file */
  u8 readOnly;                /* True for a read-only database */
  u8 needSync;                /* True if an fsync() is needed on the journal */
  u8 dirtyCache;              /* True if cached pages have changed */
  u8 alwaysRollback;          /* Disable dont_rollback() for all pages */
  u8 memDb;                   /* True to inhibit all file I/O */
  u8 setMaster;               /* True if a m-j name has been written to jrnl */
  int errCode;                /* One of several kinds of errors */
  int dbSize;                 /* Number of pages in the file */
  int origDbSize;             /* dbSize before the current change */
  int stmtSize;               /* Size of database (in pages) at stmt_begin() */
  int nRec;                   /* Number of pages written to the journal */
  u32 cksumInit;              /* Quasi-random value added to every checksum */
  int stmtNRec;               /* Number of records in stmt subjournal */
  int nExtra;                 /* Add this many bytes to each in-memory page */
................................................................................
** The value returned is a copy of the second argument to this function. 
**
** If the second argument is SQLITE_IOERR, SQLITE_CORRUPT or SQLITE_PROTOCOL,
** the error becomes persistent. All subsequent API calls on this Pager
** will immediately return the same error code.
*/
static int pager_error(Pager *pPager, int rc){
  int rc2 = rc & 0xff;
  assert( pPager->errCode==SQLITE_FULL || pPager->errCode==SQLITE_OK );
  if( 
    rc2==SQLITE_FULL ||
    rc2==SQLITE_IOERR ||
    rc2==SQLITE_CORRUPT ||
    rc2==SQLITE_PROTOCOL
  ){
    pPager->errCode = rc;
  }
  return rc;
}

#ifdef SQLITE_CHECK_PAGES
................................................................................
      rc = pager_playback_one_page(pPager, pPager->jfd, 1);
      if( rc!=SQLITE_OK ){
        if( rc==SQLITE_DONE ){
          rc = SQLITE_OK;
          pPager->journalOff = szJ;
          break;
        }else{
          /* If we are unable to rollback a hot journal, then the database
          ** is probably not recoverable.  Return CORRUPT.
          */
          rc = SQLITE_CORRUPT;
          goto end_playback;
        }
      }
    }
  }
  /*NOTREACHED*/
  assert( 0 );
................................................................................
** If the PENDING_BYTE lies on the page directly after the end of the
** file, then consider this page part of the file too. For example, if
** PENDING_BYTE is byte 4096 (the first byte of page 5) and the size of the
** file is 4096 bytes, 5 is returned instead of 4.
*/
int sqlite3pager_pagecount(Pager *pPager){
  i64 n;
  int rc;
  assert( pPager!=0 );
  if( pPager->dbSize>=0 ){
    n = pPager->dbSize;
  } else {
    if( (rc = sqlite3OsFileSize(pPager->fd, &n))!=SQLITE_OK ){
      pager_error(pPager, rc);
      return 0;
    }
    if( n>0 && n<pPager->pageSize ){
      n = 1;
    }else{
      n /= pPager->pageSize;
    }
................................................................................
  }else{
    Pager *pTmp;
    for(pTmp = pTsd->pPager; pTmp->pNext!=pPager; pTmp=pTmp->pNext){}
    pTmp->pNext = pPager->pNext;
  }
#endif
  sqliteFree(pPager->aHash);



  sqliteFree(pPager);
  return SQLITE_OK;
}

/*
** Return the page number for the given page data.
*/
................................................................................
      if( rc!=SQLITE_OK ){
        /* An error occured whilst writing to the database file or 
        ** journal in pager_recycle(). The error is not returned to the 
        ** caller of this function. Instead, set the Pager.errCode variable.
        ** The error will be returned to the user (or users, in the case 
        ** of a shared pager cache) of the pager for which the error occured.
        */
        assert( (rc&0xff)==SQLITE_IOERR || rc==SQLITE_FULL );
        assert( p->state>=PAGER_RESERVED );
        pager_error(p, rc);
      }
    }
  }

  return nReleased;

Changes to SQLite.Interop/src/pager.h.

9
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**    May you share freely, never taking more than you give.
**
*************************************************************************
** This header file defines the interface that the sqlite page cache
** subsystem.  The page cache subsystem reads and writes a file a page
** at a time and provides a journal for rollback.
**
** @(#) $Id: pager.h,v 1.23 2006/08/13 15:56:08 rmsimpson Exp $
*/

#ifndef _PAGER_H_
#define _PAGER_H_

/*
** The default size of a database page.







|







9
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**    May you share freely, never taking more than you give.
**
*************************************************************************
** This header file defines the interface that the sqlite page cache
** subsystem.  The page cache subsystem reads and writes a file a page
** at a time and provides a journal for rollback.
**
** @(#) $Id: pager.h,v 1.24 2006/10/12 21:34:21 rmsimpson Exp $
*/

#ifndef _PAGER_H_
#define _PAGER_H_

/*
** The default size of a database page.

Changes to SQLite.Interop/src/parse.c.

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2638

2639

2640
2641
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2649

2650
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2663




2664


2665
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2990
2991
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2999
3000
3001
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....
3237
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3251
  int yy495;
} YYMINORTYPE;
#define YYSTACKDEPTH 100
#define sqlite3ParserARG_SDECL Parse *pParse;
#define sqlite3ParserARG_PDECL ,Parse *pParse
#define sqlite3ParserARG_FETCH Parse *pParse = yypParser->pParse
#define sqlite3ParserARG_STORE yypParser->pParse = pParse
#define YYNSTATE 581
#define YYNRULE 309
#define YYERRORSYMBOL 139
#define YYERRSYMDT yy495
#define YYFALLBACK 1
#define YY_NO_ACTION      (YYNSTATE+YYNRULE+2)
#define YY_ACCEPT_ACTION  (YYNSTATE+YYNRULE+1)
#define YY_ERROR_ACTION   (YYNSTATE+YYNRULE)

................................................................................
**  yy_shift_ofst[]    For each state, the offset into yy_action for
**                     shifting terminals.
**  yy_reduce_ofst[]   For each state, the offset into yy_action for
**                     shifting non-terminals after a reduce.
**  yy_default[]       Default action for each state.
*/
static const YYACTIONTYPE yy_action[] = {
 /*     0 */   287,   67,  291,   69,  150,  168,  206,  431,   61,   61,
 /*    10 */    61,   61,   66,   63,   63,   63,   63,   64,   64,   65,
 /*    20 */    65,   65,   66,  441,  322,  164,  444,  450,   68,   63,
 /*    30 */    63,   63,   63,   64,   64,   65,   65,   65,   66,   64,
 /*    40 */    64,   65,   65,   65,   66,   60,   58,  295,  454,  455,
 /*    50 */   451,  451,   62,   62,   61,   61,   61,   61,  513,   63,
 /*    60 */    63,   63,   63,   64,   64,   65,   65,   65,   66,  287,
 /*    70 */   318,   67,  431,   69,  150,   79,  160,  114,  224,  314,
 /*    80 */   229,  315,  172,  249,  891,  120,  580,  515,  518,    2,
 /*    90 */   250,  566,  422,   35,  223,  444,  450,  528,   20,   57,
 /*   100 */   384,  381,   63,   63,   63,   63,   64,   64,   65,   65,
 /*   110 */    65,   66,  287,  473,   60,   58,  295,  454,  455,  451,
 /*   120 */   451,   62,   62,   61,   61,   61,   61,  389,   63,   63,
 /*   130 */    63,   63,   64,   64,   65,   65,   65,   66,  444,  450,
 /*   140 */    91,  311,  385,  480,  236,  383,  269,  204,    2,   83,
 /*   150 */   581,  384,  381,  470,  196,  439,  209,   60,   58,  295,
 /*   160 */   454,  455,  451,  451,   62,   62,   61,   61,   61,   61,
 /*   170 */   170,   63,   63,   63,   63,   64,   64,   65,   65,   65,
 /*   180 */    66,  287,  486,  439,  209,  132,  109,  270,  423,  443,
 /*   190 */   402,  281,  390,  391,  441,  517,  164,  318,  507,   67,
 /*   200 */   526,   69,  150,  562,  423,  143,  516,  444,  450,  145,
 /*   210 */   146,  578,  882,  373,  882,  511,  171,  156,  514,  422,
 /*   220 */    40,  337,  426,   19,  287,  140,   60,   58,  295,  454,
 /*   230 */   455,  451,  451,   62,   62,   61,   61,   61,   61,  380,
 /*   240 */    63,   63,   63,   63,   64,   64,   65,   65,   65,   66,
 /*   250 */   444,  450,  575,  404,  405,  428,  428,  428,  329,  332,
 /*   260 */   240,  545,   67,  468,   69,  150,  271,  287,  291,   60,
 /*   270 */    58,  295,  454,  455,  451,  451,   62,   62,   61,   61,
 /*   280 */    61,   61,  124,   63,   63,   63,   63,   64,   64,   65,
 /*   290 */    65,   65,   66,  444,  450,  401,  510,  389,  290,  544,
 /*   300 */    65,   65,   65,   66,  507,  389,  542,  405,  443,  294,
 /*   310 */   434,  435,   60,   58,  295,  454,  455,  451,  451,   62,
 /*   320 */    62,   61,   61,   61,   61,  206,   63,   63,   63,   63,
 /*   330 */    64,   64,   65,   65,   65,   66,  519,  514,  366,  287,
 /*   340 */    75,  426,  148,  490,  224,  314,  229,  315,  172,  249,
 /*   350 */   367,  265,  264,    1,  574,  286,  250,  389,  416,  445,
 /*   360 */   446,  206,  390,  391,  177,  444,  450,  340,  343,  344,
 /*   370 */   390,  391,  208,  357,  428,  428,  428,  360,  168,  345,
 /*   380 */   431,  448,  449,   78,   60,   58,  295,  454,  455,  451,
 /*   390 */   451,   62,   62,   61,   61,   61,   61,  476,   63,   63,
 /*   400 */    63,   63,   64,   64,   65,   65,   65,   66,  287,  447,
 /*   410 */   177,  561,  493,  340,  343,  344,   21,  318,  518,  318,
 /*   420 */   431,  318,  390,  391,  318,  345,  475,  400,   20,  563,
 /*   430 */   564,  489,  151,  177,  444,  450,  340,  343,  344,  422,
 /*   440 */    34,  422,   34,  422,   34,  431,  422,   34,  345,  192,
 /*   450 */   237,  147,  527,   60,   58,  295,  454,  455,  451,  451,
 /*   460 */    62,   62,   61,   61,   61,   61,  423,   63,   63,   63,
 /*   470 */    63,   64,   64,   65,   65,   65,   66,  287,  230,  348,
 /*   480 */   408,  512,  298,  423,  334,  431,  318,  206,  318,  296,
 /*   490 */   318,  208,  409,  154,  465,    9,  465,  458,  464,  389,
 /*   500 */   374,  465,  173,  444,  450,  410,  173,  406,  422,   40,
 /*   510 */   422,   48,  422,   48,  321,  434,  435,  407,  324,  475,
 /*   520 */   457,  457,   60,   58,  295,  454,  455,  451,  451,   62,
 /*   530 */    62,   61,   61,   61,   61,  459,   63,   63,   63,   63,
 /*   540 */    64,   64,   65,   65,   65,   66,  287,  318,  499,  238,
 /*   550 */   253,  480,  389,  338,  408,  149,  421,  306,  289,  307,
 /*   560 */   420,  389,  289,  389,  390,  391,  409,  250,  500,  422,
 /*   570 */    27,  155,  444,  450,  431,  422,    3,  208,  539,  410,
 /*   580 */   335,  328,  578,  881,  324,  881,  457,  457,  484,  423,
 /*   590 */   242,   60,   58,  295,  454,  455,  451,  451,   62,   62,
 /*   600 */    61,   61,   61,   61,  255,   63,   63,   63,   63,   64,
 /*   610 */    64,   65,   65,   65,   66,  287,  368,  390,  391,  488,
 /*   620 */    90,  299,  324,  575,  457,  457,  390,  391,  390,  391,
 /*   630 */   318,  525,  494,  318,  392,  393,  394,  518,  524,  431,
 /*   640 */   241,  444,  450,  183,  477,  181,  571,   20,  324,  297,
 /*   650 */   457,  457,  422,   28,  541,  422,   23,  505,  287,  339,
 /*   660 */    60,   58,  295,  454,  455,  451,  451,   62,   62,   61,
 /*   670 */    61,   61,   61,  318,   63,   63,   63,   63,   64,   64,
 /*   680 */    65,   65,   65,   66,  444,  450,  421,  535,  354,  535,
 /*   690 */   420,  259,  300,  505,  816,  422,   32,   74,  505,   76,
 /*   700 */   188,  287,  505,   60,   58,  295,  454,  455,  451,  451,
 /*   710 */    62,   62,   61,   61,   61,   61,  318,   63,   63,   63,
 /*   720 */    63,   64,   64,   65,   65,   65,   66,  444,  450,  174,
 /*   730 */   175,  176,  377,  216,  423,  480,  248,  301,  422,   53,
 /*   740 */   505,  505,  259,  259,  287,  259,   60,   70,  295,  454,
 /*   750 */   455,  451,  451,   62,   62,   61,   61,   61,   61,  365,
 /*   760 */    63,   63,   63,   63,   64,   64,   65,   65,   65,   66,
 /*   770 */   444,  450,  247,  319,  244,  302,  304,  248,  167,  156,
 /*   780 */   361,  248,  379,  260,  552,  259,  554,  287,  259,  219,
 /*   790 */    58,  295,  454,  455,  451,  451,   62,   62,   61,   61,
 /*   800 */    61,   61,  318,   63,   63,   63,   63,   64,   64,   65,
 /*   810 */    65,   65,   66,  444,  450,  484,  432,  484,   22,  248,
 /*   820 */   248,  207,  388,  364,  422,   24,  555,  364,   54,  556,
 /*   830 */   309,  119,  437,  437,  295,  454,  455,  451,  451,   62,
 /*   840 */    62,   61,   61,   61,   61,  318,   63,   63,   63,   63,
 /*   850 */    64,   64,   65,   65,   65,   66,   71,  325,  318,    4,
 /*   860 */   318,  537,  318,  293,  259,  536,  259,  422,   51,  318,
 /*   870 */   161,  320,   71,  325,  318,    4,  355,  356,  305,  293,
 /*   880 */   422,   96,  422,   93,  422,   98,  225,  320,  327,  217,
 /*   890 */   115,  422,   99,  218,  190,  318,  422,  110,  226,  443,
 /*   900 */   318,  259,  318,  417,  327,  272,  427,  372,  318,    5,
 /*   910 */   418,  318,  413,  414,  330,  443,  318,  422,  111,   73,
 /*   920 */    72,  197,  422,   16,  422,   97,  152,   71,  316,  317,
 /*   930 */   422,   33,  426,  422,   94,   73,   72,  487,  422,   52,
 /*   940 */   318,  200,  274,   71,  316,  317,   71,  325,  426,    4,
 /*   950 */   318,  206,  318,  293,  318,  423,  463,  318,   12,  179,
 /*   960 */   423,  320,  422,  112,  615,  428,  428,  428,  429,  430,
 /*   970 */    11,  323,  422,  113,  422,   25,  422,   36,  327,  422,
 /*   980 */    37,  428,  428,  428,  429,  430,   11,  498,  497,  443,
 /*   990 */   158,   18,  318,  423,   81,  220,  221,  222,  101,  182,
 /*  1000 */   482,  318,  169,  318,  491,  318,   12,  318,  440,   73,
 /*  1010 */    72,  202,  466,  276,  422,   26,  474,   71,  316,  317,
 /*  1020 */   277,  318,  426,  422,   38,  422,   39,  422,   41,  422,
 /*  1030 */    42,  318,  199,  423,  544,  503,  252,  124,  124,  198,
 /*  1040 */   318,  479,  201,  422,   43,  318,  483,  452,  318,  246,
 /*  1050 */   347,  318,  124,  422,   29,  428,  428,  428,  429,  430,
 /*  1060 */    11,  495,  422,   30,  496,  576,  318,  422,   44,  501,
 /*  1070 */   422,   45,  318,  422,   46,  520,  318,  533,  534,  318,
 /*  1080 */   540,  318,  124,  502,  185,  371,  273,  264,  422,   47,
 /*  1090 */   254,  288,  256,  257,  422,   31,  206,  258,  422,   10,
 /*  1100 */   352,  422,   49,  422,   50,  577,  548,  549,  169,   88,
 /*  1110 */   559,  263,   88,  359,  362,  573,  363,  285,  266,  267,
 /*  1120 */   376,  268,  551,  560,  275,  375,  278,  279,  231,  570,
 /*  1130 */   227,  142,  398,  326,  469,  436,  438,  472,  494,  159,
 /*  1140 */   504,  547,  506,  558,  387,  395,  342,  396,  397,    8,
 /*  1150 */   312,  313,  292,  416,   81,  403,  333,  232,  411,   80,
 /*  1160 */   228,  331,  419,  415,   56,   77,  210,  412,  239,  166,
 /*  1170 */   467,  211,  470,  471,  121,   82,  102,  336,  349,  282,
 /*  1180 */   508,  424,  521,  522,  529,  523,  351,  180,  233,  509,
 /*  1190 */   234,  184,  235,  283,  531,  425,  353,   85,  186,  117,
 /*  1200 */   358,  128,  369,  370,  308,  567,  568,  243,  543,  481,
 /*  1210 */   245,  212,  485,  189,  386,  569,  572,  129,   95,  214,
 /*  1220 */   215,  399,  550,  116,  130,  205,   55,  616,  131,  617,
 /*  1230 */   162,  163,  433,  134,   59,  213,  442,  557,  137,  100,
 /*  1240 */   138,  139,  453,  456,  460,  153,  165,  461,  261,  462,
 /*  1250 */     6,  122,   13,   12,    7,  532,  478,  123,  157,  492,
 /*  1260 */   103,  341,   89,  251,  104,   84,  105,  346,  226,  178,
 /*  1270 */   350,  141,  530,  125,  303,  169,  262,  187,  106,  126,
 /*  1280 */   538,  284,  546,  127,  191,   14,  194,   92,   17,   86,
 /*  1290 */    87,  193,  195,  133,  108,  553,  135,  565,  136,   15,
 /*  1300 */   107,  203,  378,  280,  144,  382,  558,  118,  579,  558,
 /*  1310 */   558,  310,
};
static const YYCODETYPE yy_lookahead[] = {
 /*     0 */    16,  218,   16,  220,  221,   21,  111,   23,   70,   71,
 /*    10 */    72,   73,   84,   75,   76,   77,   78,   79,   80,   81,
 /*    20 */    82,   83,   84,  162,  163,  164,   42,   43,   74,   75,
 /*    30 */    76,   77,   78,   79,   80,   81,   82,   83,   84,   79,
 /*    40 */    80,   81,   82,   83,   84,   61,   62,   63,   64,   65,
................................................................................
 /*   410 */    90,  148,   20,   93,   94,   95,   19,  148,  148,  148,
 /*   420 */    23,  148,   88,   89,  148,  105,   22,  157,  158,  166,
 /*   430 */   167,   20,  156,   90,   42,   43,   93,   94,   95,  170,
 /*   440 */   171,  170,  171,  170,  171,   88,  170,  171,  105,  156,
 /*   450 */   148,  181,  182,   61,   62,   63,   64,   65,   66,   67,
 /*   460 */    68,   69,   70,   71,   72,   73,  190,   75,   76,   77,
 /*   470 */    78,   79,   80,   81,   82,   83,   84,   16,  191,   16,
 /*   480 */    12,   20,  213,  190,  213,   88,  148,  111,  148,  213,
 /*   490 */   148,  228,   24,   89,  225,   19,  225,   20,  225,   23,
 /*   500 */   124,  225,   43,   42,   43,   37,   43,   39,  170,  171,
 /*   510 */   170,  171,  170,  171,  165,  166,  167,   49,  107,  115,
 /*   520 */   109,  110,   61,   62,   63,   64,   65,   66,   67,   68,
 /*   530 */    69,   70,   71,   72,   73,   20,   75,   76,   77,   78,
 /*   540 */    79,   80,   81,   82,   83,   84,   16,  148,   30,  211,
 /*   550 */    20,  162,   23,  148,   12,  156,  108,  217,   99,  217,
 /*   560 */   112,   23,   99,   23,   88,   89,   24,  104,   50,  170,
 /*   570 */   171,  148,   42,   43,   23,  170,  171,  228,   18,   37,
 /*   580 */   148,   39,   19,   20,  107,   22,  109,  110,  148,  190,
 /*   590 */   201,   61,   62,   63,   64,   65,   66,   67,   68,   69,
 /*   600 */    70,   71,   72,   73,   14,   75,   76,   77,   78,   79,
 /*   610 */    80,   81,   82,   83,   84,   16,   56,   88,   89,   81,
 /*   620 */    21,  103,  107,   60,  109,  110,   88,   89,   88,   89,
 /*   630 */   148,  177,  178,  148,    7,    8,    9,  148,  184,   88,
 /*   640 */   148,   42,   43,   53,  115,   55,  157,  158,  107,  209,
 /*   650 */   109,  110,  170,  171,   94,  170,  171,  148,   16,   81,
 /*   660 */    61,   62,   63,   64,   65,   66,   67,   68,   69,   70,
 /*   670 */    71,   72,   73,  148,   75,   76,   77,   78,   79,   80,
 /*   680 */    81,   82,   83,   84,   42,   43,  108,  100,  101,  102,
 /*   690 */   112,  148,  183,  148,  134,  170,  171,  131,  148,  133,
 /*   700 */   156,   16,  148,   61,   62,   63,   64,   65,   66,   67,
 /*   710 */    68,   69,   70,   71,   72,   73,  148,   75,   76,   77,
 /*   720 */    78,   79,   80,   81,   82,   83,   84,   42,   43,  100,
 /*   730 */   101,  102,  189,  183,  190,  162,  227,  183,  170,  171,
 /*   740 */   148,  148,  148,  148,   16,  148,   61,   62,   63,   64,
 /*   750 */    65,   66,   67,   68,   69,   70,   71,   72,   73,  215,
 /*   760 */    75,   76,   77,   78,   79,   80,   81,   82,   83,   84,
 /*   770 */    42,   43,  227,  148,  201,  183,  183,  227,  202,  203,
 /*   780 */   236,  227,  239,  189,  189,  148,  189,   16,  148,  146,
 /*   790 */    62,   63,   64,   65,   66,   67,   68,   69,   70,   71,
 /*   800 */    72,   73,  148,   75,   76,   77,   78,   79,   80,   81,
 /*   810 */    82,   83,   84,   42,   43,  148,   20,  148,   22,  227,
 /*   820 */   227,  193,  148,  148,  170,  171,  189,  148,  200,  189,
 /*   830 */   242,  243,  125,  126,   63,   64,   65,   66,   67,   68,
 /*   840 */    69,   70,   71,   72,   73,  148,   75,   76,   77,   78,
 /*   850 */    79,   80,   81,   82,   83,   84,   16,   17,  148,   19,
 /*   860 */   148,   25,  148,   23,  148,   29,  148,  170,  171,  148,
 /*   870 */    19,   31,   16,   17,  148,   19,  209,   41,  209,   23,
 /*   880 */   170,  171,  170,  171,  170,  171,   92,   31,   48,  214,
 /*   890 */   148,  170,  171,  214,   22,  148,  170,  171,  104,   59,
 /*   900 */   148,  148,  148,   27,   48,  189,  148,  189,  148,  192,
 /*   910 */    34,  148,    7,    8,  148,   59,  148,  170,  171,   79,
 /*   920 */    80,  156,  170,  171,  170,  171,  156,   87,   88,   89,
 /*   930 */   170,  171,   92,  170,  171,   79,   80,   81,  170,  171,
 /*   940 */   148,   19,  189,   87,   88,   89,   16,   17,   92,   19,
 /*   950 */   148,  111,  148,   23,  148,  190,   20,  148,   22,  156,
 /*   960 */   190,   31,  170,  171,  113,  125,  126,  127,  128,  129,
 /*   970 */   130,   16,  170,  171,  170,  171,  170,  171,   48,  170,
 /*   980 */   171,  125,  126,  127,  128,  129,  130,   91,   92,   59,
 /*   990 */     5,   69,  148,  190,  122,   10,   11,   12,   13,  156,
 /*  1000 */    20,  148,   22,  148,   20,  148,   22,  148,  162,   79,
 /*  1010 */    80,   26,  148,   28,  170,  171,  204,   87,   88,   89,
 /*  1020 */    35,  148,   92,  170,  171,  170,  171,  170,  171,  170,
 /*  1030 */   171,  148,   47,  190,   49,   20,   20,   22,   22,   54,
 /*  1040 */   148,  148,   57,  170,  171,  148,  148,   92,  148,  148,
 /*  1050 */    20,  148,   22,  170,  171,  125,  126,  127,  128,  129,
 /*  1060 */   130,  148,  170,  171,  179,   20,  148,  170,  171,  179,
 /*  1070 */   170,  171,  148,  170,  171,  148,  148,   51,   52,  148,
 /*  1080 */    20,  148,   22,  179,  232,  100,  101,  102,  170,  171,
 /*  1090 */   148,  106,  148,  148,  170,  171,  111,  148,  170,  171,
 /*  1100 */   233,  170,  171,  170,  171,   60,   20,   20,   22,   22,
 /*  1110 */    20,  148,   22,  148,  148,   20,  148,   22,  148,  148,
 /*  1120 */   135,  148,  148,  148,  148,  148,  148,  148,  194,  148,
 /*  1130 */   173,  192,  150,  224,  173,  229,  229,  173,  178,    6,
 /*  1140 */   173,  195,  173,  195,  147,  147,  174,  147,  147,   22,
 /*  1150 */   155,   99,   40,   98,  122,  172,  119,  195,  172,  120,
 /*  1160 */   172,  117,  172,  174,  121,  131,  223,  180,   97,  113,
 /*  1170 */   153,  212,   23,  161,  153,   99,   19,  116,   15,  175,
 /*  1180 */   161,  190,  172,  172,  153,  172,  153,  152,  196,  180,
 /*  1190 */   197,  153,  198,  175,  153,  199,   38,  131,  152,   61,
 /*  1200 */   153,   19,  153,   15,  153,   33,  153,  205,  185,  206,
 /*  1210 */   205,  212,  206,  185,    1,  153,  138,  188,  160,  212,
 /*  1220 */   212,   20,  195,   32,  188,   44,   19,  113,  188,  113,
 /*  1230 */   113,  113,   20,  185,   19,  176,   20,  195,  216,  176,
 /*  1240 */   216,   19,   92,  108,   11,   19,   22,   20,  234,   20,
 /*  1250 */   118,   19,   22,   22,  118,  235,  115,   20,  113,   20,
 /*  1260 */    19,   44,  237,   20,   19,   19,   19,   44,  104,   96,
 /*  1270 */    16,   21,   17,   99,   36,   22,  134,   99,   19,   45,
 /*  1280 */    45,    5,    1,  103,  123,   19,   14,  237,  231,   69,
 /*  1290 */    69,  114,  116,  114,  240,   17,  103,   20,  123,   19,
 /*  1300 */    14,  136,   58,  137,   19,    3,  247,  243,    4,  247,
 /*  1310 */   247,  246,
};
#define YY_SHIFT_USE_DFLT (-106)
#define YY_SHIFT_MAX 382
static const short yy_shift_ofst[] = {
 /*     0 */    99,  840,  985,  -16,  840,  930,  930,  930,  274, -105,
 /*    10 */    96,  930,  930,  930,  930,  930,  -46,  250,  104,  540,
 /*    20 */   551,   76,   76,   53,  165,  208,  251,  323,  392,  461,
 /*    30 */   530,  599,  642,  685,  642,  642,  642,  642,  642,  642,
 /*    40 */   642,  642,  642,  642,  642,  642,  642,  642,  642,  642,
 /*    50 */   642,  728,  771,  771,  856,  930,  930,  930,  930,  930,
................................................................................
 /*    60 */   930,  930,  930,  930,  930,  930,  930,  930,  930,  930,
 /*    70 */   930,  930,  930,  930,  930,  930,  930,  930,  930,  930,
 /*    80 */   930,  930,  930,  930,  930,  930,  930,  930,  930,  930,
 /*    90 */   930,  930,  930,  -62,  -62,  -14,   27,   27,  -40,  219,
 /*   100 */   463,  560,  540,  540,  540,  540,  540,  540,  540,  551,
 /*   110 */   -72, -106, -106, -106,  130,  252,  468,  468,  192,  563,
 /*   120 */   150,  357,  540,  357,  540,  540,  540,  540,  540,  540,
 /*   130 */   540,  540,  540,  540,  540,  540,  540,  214,  376, -105,
 /*   140 */  -105, -105, -106, -106, -106,  249,  249,  320,  343,  411,
 /*   150 */   334,  477,  515,  542,  282,  529,  476,  538,  627,  540,
 /*   160 */   540,  578,  540,  540,  397,  540,  540,  404,  540,  540,
 /*   170 */   541,  404,  540,  540,  518,  518,  518,  540,  540,  541,
 /*   180 */   540,  540,  541,  540,  836,  587,  540,  540,  541,  540,
 /*   190 */   540,  540,  541,  540,  540,  540,  541,  541,  540,  540,
 /*   200 */   540,  540,  540,  540,  204,  876,  448,   91,  707,  707,
 /*   210 */   566,  876,  876,  459,  876,  876,  260,  872,  872, 1133,
 /*   220 */  1133, 1133, 1133, 1127, 1052, 1052, 1112, 1052, 1055, 1052,
 /*   230 */  -105, 1032, 1037, 1039, 1044, 1043, 1034, 1056, 1071, 1149,
 /*   240 */  1071, 1056, 1076, 1061, 1076, 1061, 1157, 1071, 1071, 1149,
 /*   250 */  1112, 1052, 1052, 1052, 1157, 1163, 1056, 1056, 1056, 1056,
 /*   260 */  1158, 1066, 1163, 1056, 1138, 1138, 1182, 1032, 1056, 1188,
 /*   270 */  1188, 1188, 1032, 1138, 1182, 1056, 1172, 1172, 1056, 1056,
 /*   280 */  1078, -106, -106, -106, -106, -106, -106,  317,  132,  629,
 /*   290 */   590,  794,  905,  851,  796,  955,  936,  980,  984,  896,
 /*   300 */  1015, 1016, 1030, 1026, 1060, 1086, 1087, 1090,  922, 1095,
 /*   310 */  1045, 1213, 1201, 1191, 1181, 1207, 1114, 1116, 1117, 1118,
 /*   320 */  1215, 1212, 1216, 1150, 1135, 1222, 1233, 1226, 1227, 1224,
 /*   330 */  1229, 1132, 1230, 1136, 1231, 1141, 1232, 1237, 1145, 1239,
 /*   340 */  1217, 1241, 1243, 1245, 1246, 1223, 1247, 1173, 1164, 1254,
 /*   350 */  1255, 1250, 1174, 1238, 1234, 1253, 1235, 1142, 1178, 1259,
 /*   360 */  1276, 1281, 1180, 1220, 1221, 1161, 1266, 1177, 1272, 1176,
 /*   370 */  1278, 1179, 1193, 1175, 1280, 1277, 1286, 1244, 1165, 1166,
 /*   380 */  1285, 1302, 1304,
};
#define YY_REDUCE_USE_DFLT (-218)
#define YY_REDUCE_MAX 286
static const short yy_reduce_ofst[] = {
 /*     0 */   -56,  276,   -2,  -19,  399,  269,   49,  271,  270,   14,
 /*    10 */  -147,  -78,  273,  338,  340,  342,   44,  544,  263,  -60,
 /*    20 */    32,  144,  349, -217, -217, -217, -217, -217, -217, -217,
 /*    30 */  -217, -217, -217, -217, -217, -217, -217, -217, -217, -217,
 /*    40 */  -217, -217, -217, -217, -217, -217, -217, -217, -217, -217,
 /*    50 */  -217, -217, -217, -217,  405,  482,  485,  525,  568,  654,
................................................................................
 /*    80 */   857,  859,  873,  883,  892,  897,  900,  903,  918,  924,
 /*    90 */   928,  931,  933, -217, -217,  127, -217, -217, -217, -217,
 /*   100 */   454,  147,  509,  550,  554,  592,  593,  543,  489, -139,
 /*   110 */  -217, -217, -217, -217,   45,   21,   67,  120,  110,  110,
 /*   120 */     3,  389,  440,  573,  545,  594,  667,  675,  669,  595,
 /*   130 */   597,  637,  640,  716,  718,  679,  753,  293,  765,  770,
 /*   140 */   803,  843,  628,  576,  588, -112,  -83,   18,  154,  287,
 /*   150 */   302,  287,  287,   71,  423,  432,  492,  625,  643,  674,
 /*   160 */   742,  717,  625,  758,  846,  766,  864,  812,  893,  898,
 /*   170 */   287,  812,  901,  913,  885,  890,  904,  927,  942,  287,
 /*   180 */   944,  945,  287,  949,  852,  867,  963,  965,  287,  966,
 /*   190 */   968,  970,  287,  971,  973,  974,  287,  287,  975,  976,
 /*   200 */   977,  978,  979,  981,  982,  957,  939,  934,  906,  907,
 /*   210 */   909,  961,  964,  960,  967,  969,  972,  946,  948,  997,
 /*   220 */   998, 1000, 1001,  995,  983,  986,  987,  988,  989,  990,
 /*   230 */   991,  962,  992,  993,  994,  996,  943, 1017,  959, 1012,
 /*   240 */   999, 1021, 1002, 1003, 1005, 1006, 1004, 1007, 1008, 1019,
 /*   250 */  1009, 1010, 1011, 1013, 1018, 1035, 1031, 1033, 1038, 1041,
 /*   260 */  1014, 1020, 1046, 1047, 1023, 1028, 1022, 1027, 1049, 1029,
 /*   270 */  1036, 1040, 1042, 1048, 1024, 1051, 1025, 1050, 1053, 1062,
 /*   280 */  1054, 1058, 1059, 1063, 1057, 1064, 1065,
};
static const YYACTIONTYPE yy_default[] = {
 /*     0 */   587,  813,  890,  702,  890,  813,  890,  813,  890,  706,
 /*    10 */   864,  809,  813,  890,  890,  890,  784,  890,  835,  890,
 /*    20 */   618,  835,  835,  737,  890,  890,  890,  890,  890,  890,
 /*    30 */   890,  890,  738,  890,  812,  808,  804,  806,  805,  739,
 /*    40 */   726,  735,  742,  718,  849,  744,  745,  750,  751,  865,
 /*    50 */   868,  772,  790,  771,  890,  890,  890,  890,  890,  890,
 /*    60 */   890,  890,  890,  890,  890,  890,  890,  890,  890,  890,
 /*    70 */   890,  890,  890,  890,  890,  890,  890,  890,  890,  890,
 /*    80 */   890,  890,  890,  890,  890,  890,  890,  890,  890,  890,
 /*    90 */   890,  890,  890,  774,  795,  611,  773,  783,  775,  776,
 /*   100 */   671,  606,  890,  890,  890,  890,  890,  890,  890,  890,
 /*   110 */   777,  778,  791,  792,  890,  890,  890,  890,  890,  890,
 /*   120 */   587,  702,  890,  702,  890,  890,  890,  890,  890,  890,
 /*   130 */   890,  890,  890,  890,  890,  890,  890,  890,  890,  890,
 /*   140 */   890,  890,  696,  706,  883,  890,  890,  662,  890,  890,
 /*   150 */   890,  890,  890,  890,  890,  890,  890,  890,  594,  592,
 /*   160 */   890,  694,  890,  890,  620,  890,  890,  704,  890,  890,
 /*   170 */   709,  710,  890,  890,  890,  890,  890,  890,  890,  608,
 /*   180 */   890,  890,  683,  890,  841,  890,  890,  890,  856,  890,
 /*   190 */   890,  890,  854,  890,  890,  890,  685,  747,  823,  890,
 /*   200 */   890,  869,  871,  890,  890,  729,  694,  703,  890,  890,
 /*   210 */   807,  729,  729,  641,  729,  729,  644,  741,  741,  591,
 /*   220 */   591,  591,  591,  661,  673,  673,  658,  673,  644,  673,
 /*   230 */   890,  741,  732,  734,  722,  736,  890,  711,  730,  890,
 /*   240 */   730,  711,  719,  721,  719,  721,  817,  730,  730,  890,
 /*   250 */   658,  673,  673,  673,  817,  603,  711,  711,  711,  711,
 /*   260 */   845,  848,  603,  711,  675,  675,  752,  741,  711,  682,
 /*   270 */   682,  682,  741,  675,  752,  711,  867,  867,  711,  711,
 /*   280 */   876,  628,  646,  646,  851,  883,  888,  890,  890,  890,
 /*   290 */   890,  890,  890,  759,  890,  890,  890,  890,  890,  890,
 /*   300 */   890,  890,  890,  890,  890,  890,  890,  890,  830,  890,
 /*   310 */   890,  890,  890,  890,  890,  890,  764,  760,  890,  761,
 /*   320 */   890,  890,  890,  890,  688,  890,  890,  890,  890,  890,
 /*   330 */   890,  890,  723,  890,  733,  890,  890,  890,  890,  890,
 /*   340 */   890,  890,  890,  890,  890,  890,  890,  890,  890,  890,
 /*   350 */   890,  890,  890,  890,  843,  844,  890,  890,  890,  890,
 /*   360 */   890,  890,  890,  890,  890,  890,  890,  890,  890,  890,
 /*   370 */   890,  890,  890,  890,  890,  890,  890,  875,  890,  890,
 /*   380 */   878,  588,  890,  582,  585,  584,  586,  590,  593,  615,
 /*   390 */   616,  617,  595,  596,  597,  598,  599,  600,  601,  607,
 /*   400 */   609,  627,  629,  636,  674,  677,  678,  679,  859,  860,
 /*   410 */   861,  637,  656,  659,  660,  638,  645,  727,  728,  639,
 /*   420 */   692,  693,  756,  686,  687,  691,  758,  762,  763,  765,
 /*   430 */   766,  614,  621,  622,  625,  626,  831,  833,  832,  834,
 /*   440 */   624,  623,  767,  770,  779,  780,  782,  788,  794,  797,
 /*   450 */   781,  786,  787,  789,  793,  796,  689,  690,  800,  802,
 /*   460 */   803,  857,  858,  798,  810,  811,  712,  801,  785,  724,
 /*   470 */   613,  731,  725,  695,  705,  714,  715,  716,  717,  700,
 /*   480 */   701,  707,  720,  754,  755,  708,  697,  698,  699,  799,
 /*   490 */   757,  768,  769,  640,  647,  648,  649,  652,  653,  654,
 /*   500 */   655,  650,  651,  818,  819,  821,  820,  642,  643,  657,
 /*   510 */   630,  631,  632,  633,  764,  634,  635,  619,  612,  663,
 /*   520 */   666,  667,  668,  669,  670,  672,  664,  665,  610,  602,
 /*   530 */   604,  713,  837,  846,  847,  842,  838,  839,  840,  605,
 /*   540 */   814,  815,  676,  748,  749,  836,  850,  852,  753,  853,
 /*   550 */   855,  880,  680,  681,  684,  822,  862,  740,  743,  746,
 /*   560 */   824,  825,  826,  827,  828,  829,  863,  866,  870,  872,
 /*   570 */   873,  874,  877,  879,  884,  885,  886,  889,  887,  589,
 /*   580 */   583,
};
#define YY_SZ_ACTTAB (int)(sizeof(yy_action)/sizeof(yy_action[0]))

/* The next table maps tokens into fallback tokens.  If a construct
** like the following:
** 
**      %fallback ID X Y Z.
................................................................................
 /*  95 */ "orconf ::= OR resolvetype",
 /*  96 */ "resolvetype ::= raisetype",
 /*  97 */ "resolvetype ::= IGNORE",
 /*  98 */ "resolvetype ::= REPLACE",
 /*  99 */ "cmd ::= DROP TABLE ifexists fullname",
 /* 100 */ "ifexists ::= IF EXISTS",
 /* 101 */ "ifexists ::=",
 /* 102 */ "cmd ::= CREATE temp VIEW nm dbnm AS select",
 /* 103 */ "cmd ::= DROP VIEW ifexists fullname",
 /* 104 */ "cmd ::= select",
 /* 105 */ "select ::= oneselect",
 /* 106 */ "select ::= select multiselect_op oneselect",
 /* 107 */ "multiselect_op ::= UNION",
 /* 108 */ "multiselect_op ::= UNION ALL",
 /* 109 */ "multiselect_op ::= EXCEPT|INTERSECT",
................................................................................
 /* 160 */ "where_opt ::=",
 /* 161 */ "where_opt ::= WHERE expr",
 /* 162 */ "cmd ::= UPDATE orconf fullname SET setlist where_opt",
 /* 163 */ "setlist ::= setlist COMMA nm EQ expr",
 /* 164 */ "setlist ::= nm EQ expr",
 /* 165 */ "cmd ::= insert_cmd INTO fullname inscollist_opt VALUES LP itemlist RP",
 /* 166 */ "cmd ::= insert_cmd INTO fullname inscollist_opt select",

 /* 167 */ "insert_cmd ::= INSERT orconf",
 /* 168 */ "insert_cmd ::= REPLACE",
 /* 169 */ "itemlist ::= itemlist COMMA expr",
 /* 170 */ "itemlist ::= expr",
 /* 171 */ "inscollist_opt ::=",
 /* 172 */ "inscollist_opt ::= LP inscollist RP",
 /* 173 */ "inscollist ::= inscollist COMMA nm",
 /* 174 */ "inscollist ::= nm",
 /* 175 */ "expr ::= term",
 /* 176 */ "expr ::= LP expr RP",
 /* 177 */ "term ::= NULL",
 /* 178 */ "expr ::= ID",
 /* 179 */ "expr ::= JOIN_KW",
 /* 180 */ "expr ::= nm DOT nm",
 /* 181 */ "expr ::= nm DOT nm DOT nm",
 /* 182 */ "term ::= INTEGER|FLOAT|BLOB",
 /* 183 */ "term ::= STRING",
 /* 184 */ "expr ::= REGISTER",
 /* 185 */ "expr ::= VARIABLE",
 /* 186 */ "expr ::= CAST LP expr AS typetoken RP",
 /* 187 */ "expr ::= ID LP distinct exprlist RP",
 /* 188 */ "expr ::= ID LP STAR RP",
 /* 189 */ "term ::= CTIME_KW",
 /* 190 */ "expr ::= expr AND expr",
 /* 191 */ "expr ::= expr OR expr",
 /* 192 */ "expr ::= expr LT|GT|GE|LE expr",
 /* 193 */ "expr ::= expr EQ|NE expr",
 /* 194 */ "expr ::= expr BITAND|BITOR|LSHIFT|RSHIFT expr",
 /* 195 */ "expr ::= expr PLUS|MINUS expr",
 /* 196 */ "expr ::= expr STAR|SLASH|REM expr",
 /* 197 */ "expr ::= expr CONCAT expr",
 /* 198 */ "likeop ::= LIKE_KW",
 /* 199 */ "likeop ::= NOT LIKE_KW",
 /* 200 */ "likeop ::= MATCH",
 /* 201 */ "likeop ::= NOT MATCH",
 /* 202 */ "escape ::= ESCAPE expr",
 /* 203 */ "escape ::=",
 /* 204 */ "expr ::= expr likeop expr escape",
 /* 205 */ "expr ::= expr ISNULL|NOTNULL",
 /* 206 */ "expr ::= expr IS NULL",
 /* 207 */ "expr ::= expr NOT NULL",
 /* 208 */ "expr ::= expr IS NOT NULL",
 /* 209 */ "expr ::= NOT|BITNOT expr",
 /* 210 */ "expr ::= MINUS expr",
 /* 211 */ "expr ::= PLUS expr",
 /* 212 */ "between_op ::= BETWEEN",
 /* 213 */ "between_op ::= NOT BETWEEN",
 /* 214 */ "expr ::= expr between_op expr AND expr",
 /* 215 */ "in_op ::= IN",
 /* 216 */ "in_op ::= NOT IN",
 /* 217 */ "expr ::= expr in_op LP exprlist RP",
 /* 218 */ "expr ::= LP select RP",
 /* 219 */ "expr ::= expr in_op LP select RP",
 /* 220 */ "expr ::= expr in_op nm dbnm",
 /* 221 */ "expr ::= EXISTS LP select RP",
 /* 222 */ "expr ::= CASE case_operand case_exprlist case_else END",
 /* 223 */ "case_exprlist ::= case_exprlist WHEN expr THEN expr",
 /* 224 */ "case_exprlist ::= WHEN expr THEN expr",
 /* 225 */ "case_else ::= ELSE expr",
 /* 226 */ "case_else ::=",
 /* 227 */ "case_operand ::= expr",
 /* 228 */ "case_operand ::=",
 /* 229 */ "exprlist ::= exprlist COMMA expritem",
 /* 230 */ "exprlist ::= expritem",
 /* 231 */ "expritem ::= expr",
 /* 232 */ "expritem ::=",
 /* 233 */ "cmd ::= CREATE uniqueflag INDEX ifnotexists nm dbnm ON nm LP idxlist RP",
 /* 234 */ "uniqueflag ::= UNIQUE",
 /* 235 */ "uniqueflag ::=",
 /* 236 */ "idxlist_opt ::=",
 /* 237 */ "idxlist_opt ::= LP idxlist RP",
 /* 238 */ "idxlist ::= idxlist COMMA idxitem collate sortorder",
 /* 239 */ "idxlist ::= idxitem collate sortorder",
 /* 240 */ "idxitem ::= nm",
 /* 241 */ "cmd ::= DROP INDEX ifexists fullname",
 /* 242 */ "cmd ::= VACUUM",
 /* 243 */ "cmd ::= VACUUM nm",
 /* 244 */ "cmd ::= PRAGMA nm dbnm EQ nm",
 /* 245 */ "cmd ::= PRAGMA nm dbnm EQ ON",
 /* 246 */ "cmd ::= PRAGMA nm dbnm EQ plus_num",
 /* 247 */ "cmd ::= PRAGMA nm dbnm EQ minus_num",
 /* 248 */ "cmd ::= PRAGMA nm dbnm LP nm RP",
 /* 249 */ "cmd ::= PRAGMA nm dbnm",
 /* 250 */ "plus_num ::= plus_opt number",
 /* 251 */ "minus_num ::= MINUS number",
 /* 252 */ "number ::= INTEGER|FLOAT",
 /* 253 */ "plus_opt ::= PLUS",
 /* 254 */ "plus_opt ::=",
 /* 255 */ "cmd ::= CREATE trigger_decl BEGIN trigger_cmd_list END",
 /* 256 */ "trigger_decl ::= temp TRIGGER nm dbnm trigger_time trigger_event ON fullname foreach_clause when_clause",
 /* 257 */ "trigger_time ::= BEFORE",
 /* 258 */ "trigger_time ::= AFTER",
 /* 259 */ "trigger_time ::= INSTEAD OF",
 /* 260 */ "trigger_time ::=",
 /* 261 */ "trigger_event ::= DELETE|INSERT",
 /* 262 */ "trigger_event ::= UPDATE",
 /* 263 */ "trigger_event ::= UPDATE OF inscollist",
 /* 264 */ "foreach_clause ::=",
 /* 265 */ "foreach_clause ::= FOR EACH ROW",
 /* 266 */ "foreach_clause ::= FOR EACH STATEMENT",
 /* 267 */ "when_clause ::=",
 /* 268 */ "when_clause ::= WHEN expr",
 /* 269 */ "trigger_cmd_list ::= trigger_cmd_list trigger_cmd SEMI",
 /* 270 */ "trigger_cmd_list ::=",
 /* 271 */ "trigger_cmd ::= UPDATE orconf nm SET setlist where_opt",
 /* 272 */ "trigger_cmd ::= insert_cmd INTO nm inscollist_opt VALUES LP itemlist RP",
 /* 273 */ "trigger_cmd ::= insert_cmd INTO nm inscollist_opt select",
 /* 274 */ "trigger_cmd ::= DELETE FROM nm where_opt",
 /* 275 */ "trigger_cmd ::= select",
 /* 276 */ "expr ::= RAISE LP IGNORE RP",
 /* 277 */ "expr ::= RAISE LP raisetype COMMA nm RP",
 /* 278 */ "raisetype ::= ROLLBACK",
 /* 279 */ "raisetype ::= ABORT",
 /* 280 */ "raisetype ::= FAIL",
 /* 281 */ "cmd ::= DROP TRIGGER fullname",
 /* 282 */ "cmd ::= ATTACH database_kw_opt expr AS expr key_opt",
 /* 283 */ "key_opt ::=",
 /* 284 */ "key_opt ::= KEY expr",
 /* 285 */ "database_kw_opt ::= DATABASE",
 /* 286 */ "database_kw_opt ::=",
 /* 287 */ "cmd ::= DETACH database_kw_opt expr",
 /* 288 */ "cmd ::= REINDEX",
 /* 289 */ "cmd ::= REINDEX nm dbnm",
 /* 290 */ "cmd ::= ANALYZE",
 /* 291 */ "cmd ::= ANALYZE nm dbnm",
 /* 292 */ "cmd ::= ALTER TABLE fullname RENAME TO nm",
 /* 293 */ "cmd ::= ALTER TABLE add_column_fullname ADD kwcolumn_opt column",
 /* 294 */ "add_column_fullname ::= fullname",
 /* 295 */ "kwcolumn_opt ::=",
 /* 296 */ "kwcolumn_opt ::= COLUMNKW",
 /* 297 */ "cmd ::= create_vtab",
 /* 298 */ "cmd ::= create_vtab LP vtabarglist RP",
 /* 299 */ "create_vtab ::= CREATE VIRTUAL TABLE nm dbnm USING nm",
 /* 300 */ "vtabarglist ::= vtabarg",
 /* 301 */ "vtabarglist ::= vtabarglist COMMA vtabarg",
 /* 302 */ "vtabarg ::=",
 /* 303 */ "vtabarg ::= vtabarg vtabargtoken",
 /* 304 */ "vtabargtoken ::= ANY",
 /* 305 */ "vtabargtoken ::= lp anylist RP",
 /* 306 */ "lp ::= LP",
 /* 307 */ "anylist ::=",
 /* 308 */ "anylist ::= anylist ANY",
};
#endif /* NDEBUG */

/*
** This function returns the symbolic name associated with a token
** value.
*/
................................................................................
    ** inside the C code.
    */
    case 156:
    case 190:
    case 207:
#line 374 "parse.y"
{sqlite3SelectDelete((yypminor->yy219));}
#line 1248 "parse.c"
      break;
    case 170:
    case 171:
    case 195:
    case 197:
    case 205:
    case 211:
    case 219:
    case 222:
    case 224:
    case 225:
    case 235:
#line 631 "parse.y"
{sqlite3ExprDelete((yypminor->yy172));}
#line 1263 "parse.c"
      break;
    case 175:
    case 183:
    case 193:
    case 196:
    case 198:
    case 200:
    case 210:
    case 213:
    case 214:
    case 217:
    case 223:
#line 865 "parse.y"
{sqlite3ExprListDelete((yypminor->yy174));}
#line 1278 "parse.c"
      break;
    case 189:
    case 194:
    case 202:
    case 203:
#line 502 "parse.y"
{sqlite3SrcListDelete((yypminor->yy373));}
#line 1286 "parse.c"
      break;
    case 199:
#line 563 "parse.y"
{
  sqlite3ExprDelete((yypminor->yy234).pLimit);
  sqlite3ExprDelete((yypminor->yy234).pOffset);
}
#line 1294 "parse.c"
      break;
    case 206:
    case 209:
    case 216:
#line 519 "parse.y"
{sqlite3IdListDelete((yypminor->yy432));}
#line 1301 "parse.c"
      break;
    case 231:
    case 236:
#line 959 "parse.y"
{sqlite3DeleteTriggerStep((yypminor->yy243));}
#line 1307 "parse.c"
      break;
    case 233:
#line 943 "parse.y"
{sqlite3IdListDelete((yypminor->yy370).b);}
#line 1312 "parse.c"
      break;
    case 238:
#line 1027 "parse.y"
{sqlite3ExprDelete((yypminor->yy386));}
#line 1317 "parse.c"
      break;
    default:  break;   /* If no destructor action specified: do nothing */
  }
}

/*
** Pop the parser's stack once.
................................................................................
     while( yypParser->yyidx>=0 ) yy_pop_parser_stack(yypParser);
     /* Here code is inserted which will execute if the parser
     ** stack every overflows */
#line 44 "parse.y"

  sqlite3ErrorMsg(pParse, "parser stack overflow");
  pParse->parseError = 1;
#line 1486 "parse.c"
     sqlite3ParserARG_STORE; /* Suppress warning about unused %extra_argument var */
     return;
  }
  yytos = &yypParser->yystack[yypParser->yyidx];
  yytos->stateno = yyNewState;
  yytos->major = yyMajor;
  yytos->minor = *yypMinor;
................................................................................
  { 185, 2 },
  { 186, 1 },
  { 186, 1 },
  { 186, 1 },
  { 144, 4 },
  { 188, 2 },
  { 188, 0 },
  { 144, 7 },
  { 144, 4 },
  { 144, 1 },
  { 156, 1 },
  { 156, 3 },
  { 191, 1 },
  { 191, 2 },
  { 191, 1 },
................................................................................
  { 195, 0 },
  { 195, 2 },
  { 144, 6 },
  { 214, 5 },
  { 214, 3 },
  { 144, 8 },
  { 144, 5 },

  { 215, 2 },
  { 215, 1 },
  { 217, 3 },
  { 217, 1 },
  { 216, 0 },
  { 216, 3 },
  { 209, 3 },
................................................................................
  { 144, 3 },
  { 166, 2 },
  { 167, 2 },
  { 229, 1 },
  { 228, 1 },
  { 228, 0 },
  { 144, 5 },
  { 230, 10 },
  { 232, 1 },
  { 232, 1 },
  { 232, 2 },
  { 232, 0 },
  { 233, 1 },
  { 233, 1 },
  { 233, 3 },
................................................................................
  { 236, 4 },
  { 236, 1 },
  { 171, 4 },
  { 171, 6 },
  { 187, 1 },
  { 187, 1 },
  { 187, 1 },
  { 144, 3 },
  { 144, 6 },
  { 238, 0 },
  { 238, 2 },
  { 237, 1 },
  { 237, 0 },
  { 144, 3 },
  { 144, 1 },
................................................................................
  **     { ... }           // User supplied code
  **  #line <lineno> <thisfile>
  **     break;
  */
      case 3:
#line 100 "parse.y"
{ sqlite3FinishCoding(pParse); }
#line 1873 "parse.c"
        break;
      case 6:
#line 103 "parse.y"
{ sqlite3BeginParse(pParse, 0); }
#line 1878 "parse.c"
        break;
      case 7:
#line 105 "parse.y"
{ sqlite3BeginParse(pParse, 1); }
#line 1883 "parse.c"
        break;
      case 8:
#line 106 "parse.y"
{ sqlite3BeginParse(pParse, 2); }
#line 1888 "parse.c"
        break;
      case 9:
#line 112 "parse.y"
{sqlite3BeginTransaction(pParse, yymsp[-1].minor.yy46);}
#line 1893 "parse.c"
        break;
      case 13:
#line 117 "parse.y"
{yygotominor.yy46 = TK_DEFERRED;}
#line 1898 "parse.c"
        break;
      case 14:
      case 15:
      case 16:
      case 107:
      case 109:
#line 118 "parse.y"
{yygotominor.yy46 = yymsp[0].major;}
#line 1907 "parse.c"
        break;
      case 17:
      case 18:
#line 121 "parse.y"
{sqlite3CommitTransaction(pParse);}
#line 1913 "parse.c"
        break;
      case 19:
#line 123 "parse.y"
{sqlite3RollbackTransaction(pParse);}
#line 1918 "parse.c"
        break;
      case 21:
#line 128 "parse.y"
{
   sqlite3StartTable(pParse,&yymsp[-1].minor.yy410,&yymsp[0].minor.yy410,yymsp[-4].minor.yy46,0,0,yymsp[-2].minor.yy46);
}
#line 1925 "parse.c"
        break;
      case 22:
      case 25:
      case 63:
      case 77:
      case 79:
      case 90:
      case 101:
      case 112:
      case 113:
      case 212:
      case 215:
#line 132 "parse.y"
{yygotominor.yy46 = 0;}
#line 1940 "parse.c"
        break;
      case 23:
      case 24:
      case 64:
      case 78:
      case 100:
      case 111:
      case 213:
      case 216:
#line 133 "parse.y"
{yygotominor.yy46 = 1;}
#line 1952 "parse.c"
        break;
      case 26:
#line 139 "parse.y"
{
  sqlite3EndTable(pParse,&yymsp[-1].minor.yy410,&yymsp[0].minor.yy0,0);
}
#line 1959 "parse.c"
        break;
      case 27:
#line 142 "parse.y"
{
  sqlite3EndTable(pParse,0,0,yymsp[0].minor.yy219);
  sqlite3SelectDelete(yymsp[0].minor.yy219);
}
#line 1967 "parse.c"
        break;
      case 30:
#line 154 "parse.y"
{
  yygotominor.yy410.z = yymsp[-2].minor.yy410.z;
  yygotominor.yy410.n = (pParse->sLastToken.z-yymsp[-2].minor.yy410.z) + pParse->sLastToken.n;
}
#line 1975 "parse.c"
        break;
      case 31:
#line 158 "parse.y"
{
  sqlite3AddColumn(pParse,&yymsp[0].minor.yy410);
  yygotominor.yy410 = yymsp[0].minor.yy410;
}
#line 1983 "parse.c"
        break;
      case 32:
      case 33:
      case 34:
      case 35:
      case 36:
      case 252:
#line 168 "parse.y"
{yygotominor.yy410 = yymsp[0].minor.yy0;}
#line 1993 "parse.c"
        break;
      case 38:
#line 228 "parse.y"
{sqlite3AddColumnType(pParse,&yymsp[0].minor.yy410);}
#line 1998 "parse.c"
        break;
      case 39:
      case 42:
      case 119:
      case 120:
      case 131:
      case 150:
      case 240:
      case 250:
      case 251:
#line 229 "parse.y"
{yygotominor.yy410 = yymsp[0].minor.yy410;}
#line 2011 "parse.c"
        break;
      case 40:
#line 230 "parse.y"
{
  yygotominor.yy410.z = yymsp[-3].minor.yy410.z;
  yygotominor.yy410.n = &yymsp[0].minor.yy0.z[yymsp[0].minor.yy0.n] - yymsp[-3].minor.yy410.z;
}
#line 2019 "parse.c"
        break;
      case 41:
#line 234 "parse.y"
{
  yygotominor.yy410.z = yymsp[-5].minor.yy410.z;
  yygotominor.yy410.n = &yymsp[0].minor.yy0.z[yymsp[0].minor.yy0.n] - yymsp[-5].minor.yy410.z;
}
#line 2027 "parse.c"
        break;
      case 43:
#line 240 "parse.y"
{yygotominor.yy410.z=yymsp[-1].minor.yy410.z; yygotominor.yy410.n=yymsp[0].minor.yy410.n+(yymsp[0].minor.yy410.z-yymsp[-1].minor.yy410.z);}
#line 2032 "parse.c"
        break;
      case 44:
#line 242 "parse.y"
{ yygotominor.yy46 = atoi((char*)yymsp[0].minor.yy410.z); }
#line 2037 "parse.c"
        break;
      case 45:
#line 243 "parse.y"
{ yygotominor.yy46 = -atoi((char*)yymsp[0].minor.yy410.z); }
#line 2042 "parse.c"
        break;
      case 50:
      case 52:
#line 252 "parse.y"
{sqlite3AddDefaultValue(pParse,yymsp[0].minor.yy172);}
#line 2048 "parse.c"
        break;
      case 51:
#line 253 "parse.y"
{sqlite3AddDefaultValue(pParse,yymsp[-1].minor.yy172);}
#line 2053 "parse.c"
        break;
      case 53:
#line 255 "parse.y"
{
  Expr *p = sqlite3Expr(TK_UMINUS, yymsp[0].minor.yy172, 0, 0);
  sqlite3AddDefaultValue(pParse,p);
}
#line 2061 "parse.c"
        break;
      case 54:
#line 259 "parse.y"
{
  Expr *p = sqlite3Expr(TK_STRING, 0, 0, &yymsp[0].minor.yy410);
  sqlite3AddDefaultValue(pParse,p);
}
#line 2069 "parse.c"
        break;
      case 56:
#line 268 "parse.y"
{sqlite3AddNotNull(pParse, yymsp[0].minor.yy46);}
#line 2074 "parse.c"
        break;
      case 57:
#line 270 "parse.y"
{sqlite3AddPrimaryKey(pParse,0,yymsp[-1].minor.yy46,yymsp[0].minor.yy46,yymsp[-2].minor.yy46);}
#line 2079 "parse.c"
        break;
      case 58:
#line 271 "parse.y"
{sqlite3CreateIndex(pParse,0,0,0,0,yymsp[0].minor.yy46,0,0,0,0);}
#line 2084 "parse.c"
        break;
      case 59:
#line 272 "parse.y"
{sqlite3AddCheckConstraint(pParse,yymsp[-1].minor.yy172);}
#line 2089 "parse.c"
        break;
      case 60:
#line 274 "parse.y"
{sqlite3CreateForeignKey(pParse,0,&yymsp[-2].minor.yy410,yymsp[-1].minor.yy174,yymsp[0].minor.yy46);}
#line 2094 "parse.c"
        break;
      case 61:
#line 275 "parse.y"
{sqlite3DeferForeignKey(pParse,yymsp[0].minor.yy46);}
#line 2099 "parse.c"
        break;
      case 62:
#line 276 "parse.y"
{sqlite3AddCollateType(pParse, (char*)yymsp[0].minor.yy410.z, yymsp[0].minor.yy410.n);}
#line 2104 "parse.c"
        break;
      case 65:
#line 289 "parse.y"
{ yygotominor.yy46 = OE_Restrict * 0x010101; }
#line 2109 "parse.c"
        break;
      case 66:
#line 290 "parse.y"
{ yygotominor.yy46 = (yymsp[-1].minor.yy46 & yymsp[0].minor.yy405.mask) | yymsp[0].minor.yy405.value; }
#line 2114 "parse.c"
        break;
      case 67:
#line 292 "parse.y"
{ yygotominor.yy405.value = 0;     yygotominor.yy405.mask = 0x000000; }
#line 2119 "parse.c"
        break;
      case 68:
#line 293 "parse.y"
{ yygotominor.yy405.value = yymsp[0].minor.yy46;     yygotominor.yy405.mask = 0x0000ff; }
#line 2124 "parse.c"
        break;
      case 69:
#line 294 "parse.y"
{ yygotominor.yy405.value = yymsp[0].minor.yy46<<8;  yygotominor.yy405.mask = 0x00ff00; }
#line 2129 "parse.c"
        break;
      case 70:
#line 295 "parse.y"
{ yygotominor.yy405.value = yymsp[0].minor.yy46<<16; yygotominor.yy405.mask = 0xff0000; }
#line 2134 "parse.c"
        break;
      case 71:
#line 297 "parse.y"
{ yygotominor.yy46 = OE_SetNull; }
#line 2139 "parse.c"
        break;
      case 72:
#line 298 "parse.y"
{ yygotominor.yy46 = OE_SetDflt; }
#line 2144 "parse.c"
        break;
      case 73:
#line 299 "parse.y"
{ yygotominor.yy46 = OE_Cascade; }
#line 2149 "parse.c"
        break;
      case 74:
#line 300 "parse.y"
{ yygotominor.yy46 = OE_Restrict; }
#line 2154 "parse.c"
        break;
      case 75:
      case 76:
      case 91:
      case 93:
      case 95:
      case 96:
      case 167:
#line 302 "parse.y"
{yygotominor.yy46 = yymsp[0].minor.yy46;}
#line 2165 "parse.c"
        break;
      case 80:
#line 312 "parse.y"
{yygotominor.yy410.n = 0; yygotominor.yy410.z = 0;}
#line 2170 "parse.c"
        break;
      case 81:
#line 313 "parse.y"
{yygotominor.yy410 = yymsp[-1].minor.yy0;}
#line 2175 "parse.c"
        break;
      case 86:
#line 319 "parse.y"
{sqlite3AddPrimaryKey(pParse,yymsp[-3].minor.yy174,yymsp[0].minor.yy46,yymsp[-2].minor.yy46,0);}
#line 2180 "parse.c"
        break;
      case 87:
#line 321 "parse.y"
{sqlite3CreateIndex(pParse,0,0,0,yymsp[-2].minor.yy174,yymsp[0].minor.yy46,0,0,0,0);}
#line 2185 "parse.c"
        break;
      case 88:
#line 322 "parse.y"
{sqlite3AddCheckConstraint(pParse,yymsp[-2].minor.yy172);}
#line 2190 "parse.c"
        break;
      case 89:
#line 324 "parse.y"
{
    sqlite3CreateForeignKey(pParse, yymsp[-6].minor.yy174, &yymsp[-3].minor.yy410, yymsp[-2].minor.yy174, yymsp[-1].minor.yy46);
    sqlite3DeferForeignKey(pParse, yymsp[0].minor.yy46);
}
#line 2198 "parse.c"
        break;
      case 92:
      case 94:
#line 338 "parse.y"
{yygotominor.yy46 = OE_Default;}
#line 2204 "parse.c"
        break;
      case 97:
#line 343 "parse.y"
{yygotominor.yy46 = OE_Ignore;}
#line 2209 "parse.c"
        break;
      case 98:
      case 168:
#line 344 "parse.y"
{yygotominor.yy46 = OE_Replace;}
#line 2215 "parse.c"
        break;
      case 99:
#line 348 "parse.y"
{
  sqlite3DropTable(pParse, yymsp[0].minor.yy373, 0, yymsp[-1].minor.yy46);
}
#line 2222 "parse.c"
        break;
      case 102:
#line 358 "parse.y"
{
  sqlite3CreateView(pParse, &yymsp[-6].minor.yy0, &yymsp[-3].minor.yy410, &yymsp[-2].minor.yy410, yymsp[0].minor.yy219, yymsp[-5].minor.yy46);
}
#line 2229 "parse.c"
        break;
      case 103:
#line 361 "parse.y"
{
  sqlite3DropTable(pParse, yymsp[0].minor.yy373, 1, yymsp[-1].minor.yy46);
}
#line 2236 "parse.c"
        break;
      case 104:
#line 368 "parse.y"
{
  sqlite3Select(pParse, yymsp[0].minor.yy219, SRT_Callback, 0, 0, 0, 0, 0);
  sqlite3SelectDelete(yymsp[0].minor.yy219);
}
#line 2244 "parse.c"
        break;
      case 105:
      case 128:
#line 378 "parse.y"
{yygotominor.yy219 = yymsp[0].minor.yy219;}
#line 2250 "parse.c"
        break;
      case 106:
#line 380 "parse.y"
{
  if( yymsp[0].minor.yy219 ){
    yymsp[0].minor.yy219->op = yymsp[-1].minor.yy46;
    yymsp[0].minor.yy219->pPrior = yymsp[-2].minor.yy219;
  }
  yygotominor.yy219 = yymsp[0].minor.yy219;
}
#line 2261 "parse.c"
        break;
      case 108:
#line 389 "parse.y"
{yygotominor.yy46 = TK_ALL;}
#line 2266 "parse.c"
        break;
      case 110:
#line 393 "parse.y"
{
  yygotominor.yy219 = sqlite3SelectNew(yymsp[-6].minor.yy174,yymsp[-5].minor.yy373,yymsp[-4].minor.yy172,yymsp[-3].minor.yy174,yymsp[-2].minor.yy172,yymsp[-1].minor.yy174,yymsp[-7].minor.yy46,yymsp[0].minor.yy234.pLimit,yymsp[0].minor.yy234.pOffset);
}
#line 2273 "parse.c"
        break;
      case 114:
      case 237:
#line 414 "parse.y"
{yygotominor.yy174 = yymsp[-1].minor.yy174;}
#line 2279 "parse.c"
        break;
      case 115:
      case 141:
      case 151:
      case 236:
#line 415 "parse.y"
{yygotominor.yy174 = 0;}
#line 2287 "parse.c"
        break;
      case 116:
#line 416 "parse.y"
{
   yygotominor.yy174 = sqlite3ExprListAppend(yymsp[-2].minor.yy174,yymsp[-1].minor.yy172,yymsp[0].minor.yy410.n?&yymsp[0].minor.yy410:0);
}
#line 2294 "parse.c"
        break;
      case 117:
#line 419 "parse.y"
{
  yygotominor.yy174 = sqlite3ExprListAppend(yymsp[-1].minor.yy174, sqlite3Expr(TK_ALL, 0, 0, 0), 0);
}
#line 2301 "parse.c"
        break;
      case 118:
#line 422 "parse.y"
{
  Expr *pRight = sqlite3Expr(TK_ALL, 0, 0, 0);
  Expr *pLeft = sqlite3Expr(TK_ID, 0, 0, &yymsp[-2].minor.yy410);
  yygotominor.yy174 = sqlite3ExprListAppend(yymsp[-3].minor.yy174, sqlite3Expr(TK_DOT, pLeft, pRight, 0), 0);
}
#line 2310 "parse.c"
        break;
      case 121:
#line 434 "parse.y"
{yygotominor.yy410.n = 0;}
#line 2315 "parse.c"
        break;
      case 122:
#line 446 "parse.y"
{yygotominor.yy373 = sqliteMalloc(sizeof(*yygotominor.yy373));}
#line 2320 "parse.c"
        break;
      case 123:
#line 447 "parse.y"
{yygotominor.yy373 = yymsp[0].minor.yy373;}
#line 2325 "parse.c"
        break;
      case 124:
#line 452 "parse.y"
{
   yygotominor.yy373 = yymsp[-1].minor.yy373;
   if( yygotominor.yy373 && yygotominor.yy373->nSrc>0 ) yygotominor.yy373->a[yygotominor.yy373->nSrc-1].jointype = yymsp[0].minor.yy46;
}
#line 2333 "parse.c"
        break;
      case 125:
#line 456 "parse.y"
{yygotominor.yy373 = 0;}
#line 2338 "parse.c"
        break;
      case 126:
#line 457 "parse.y"
{
  yygotominor.yy373 = sqlite3SrcListAppend(yymsp[-5].minor.yy373,&yymsp[-4].minor.yy410,&yymsp[-3].minor.yy410);
  if( yymsp[-2].minor.yy410.n ) sqlite3SrcListAddAlias(yygotominor.yy373,&yymsp[-2].minor.yy410);
  if( yymsp[-1].minor.yy172 ){
................................................................................
    else { sqlite3ExprDelete(yymsp[-1].minor.yy172); }
  }
  if( yymsp[0].minor.yy432 ){
    if( yygotominor.yy373 && yygotominor.yy373->nSrc>1 ){ yygotominor.yy373->a[yygotominor.yy373->nSrc-2].pUsing = yymsp[0].minor.yy432; }
    else { sqlite3IdListDelete(yymsp[0].minor.yy432); }
  }
}
#line 2354 "parse.c"
        break;
      case 127:
#line 471 "parse.y"
{
    yygotominor.yy373 = sqlite3SrcListAppend(yymsp[-6].minor.yy373,0,0);
    if( yygotominor.yy373 && yygotominor.yy373->nSrc>0 ) yygotominor.yy373->a[yygotominor.yy373->nSrc-1].pSelect = yymsp[-4].minor.yy219;
    if( yymsp[-2].minor.yy410.n ) sqlite3SrcListAddAlias(yygotominor.yy373,&yymsp[-2].minor.yy410);
................................................................................
      else { sqlite3ExprDelete(yymsp[-1].minor.yy172); }
    }
    if( yymsp[0].minor.yy432 ){
      if( yygotominor.yy373 && yygotominor.yy373->nSrc>1 ){ yygotominor.yy373->a[yygotominor.yy373->nSrc-2].pUsing = yymsp[0].minor.yy432; }
      else { sqlite3IdListDelete(yymsp[0].minor.yy432); }
    }
  }
#line 2371 "parse.c"
        break;
      case 129:
#line 492 "parse.y"
{
     yygotominor.yy219 = sqlite3SelectNew(0,yymsp[0].minor.yy373,0,0,0,0,0,0,0);
  }
#line 2378 "parse.c"
        break;
      case 130:
#line 498 "parse.y"
{yygotominor.yy410.z=0; yygotominor.yy410.n=0;}
#line 2383 "parse.c"
        break;
      case 132:
#line 503 "parse.y"
{yygotominor.yy373 = sqlite3SrcListAppend(0,&yymsp[-1].minor.yy410,&yymsp[0].minor.yy410);}
#line 2388 "parse.c"
        break;
      case 133:
#line 507 "parse.y"
{ yygotominor.yy46 = JT_INNER; }
#line 2393 "parse.c"
        break;
      case 134:
#line 508 "parse.y"
{ yygotominor.yy46 = sqlite3JoinType(pParse,&yymsp[-1].minor.yy0,0,0); }
#line 2398 "parse.c"
        break;
      case 135:
#line 509 "parse.y"
{ yygotominor.yy46 = sqlite3JoinType(pParse,&yymsp[-2].minor.yy0,&yymsp[-1].minor.yy410,0); }
#line 2403 "parse.c"
        break;
      case 136:
#line 511 "parse.y"
{ yygotominor.yy46 = sqlite3JoinType(pParse,&yymsp[-3].minor.yy0,&yymsp[-2].minor.yy410,&yymsp[-1].minor.yy410); }
#line 2408 "parse.c"
        break;
      case 137:
      case 145:
      case 154:
      case 161:
      case 175:
      case 202:
      case 225:
      case 227:
      case 231:
#line 515 "parse.y"
{yygotominor.yy172 = yymsp[0].minor.yy172;}
#line 2421 "parse.c"
        break;
      case 138:
      case 153:
      case 160:
      case 203:
      case 226:
      case 228:
      case 232:
#line 516 "parse.y"
{yygotominor.yy172 = 0;}
#line 2432 "parse.c"
        break;
      case 139:
      case 172:
#line 520 "parse.y"
{yygotominor.yy432 = yymsp[-1].minor.yy432;}
#line 2438 "parse.c"
        break;
      case 140:
      case 171:
#line 521 "parse.y"
{yygotominor.yy432 = 0;}
#line 2444 "parse.c"
        break;
      case 142:
      case 152:
#line 532 "parse.y"
{yygotominor.yy174 = yymsp[0].minor.yy174;}
#line 2450 "parse.c"
        break;
      case 143:
#line 533 "parse.y"
{
  yygotominor.yy174 = sqlite3ExprListAppend(yymsp[-4].minor.yy174,yymsp[-2].minor.yy172,yymsp[-1].minor.yy410.n>0?&yymsp[-1].minor.yy410:0);
  if( yygotominor.yy174 ) yygotominor.yy174->a[yygotominor.yy174->nExpr-1].sortOrder = yymsp[0].minor.yy46;
}
#line 2458 "parse.c"
        break;
      case 144:
#line 537 "parse.y"
{
  yygotominor.yy174 = sqlite3ExprListAppend(0,yymsp[-2].minor.yy172,yymsp[-1].minor.yy410.n>0?&yymsp[-1].minor.yy410:0);
  if( yygotominor.yy174 && yygotominor.yy174->a ) yygotominor.yy174->a[0].sortOrder = yymsp[0].minor.yy46;
}
#line 2466 "parse.c"
        break;
      case 146:
      case 148:
#line 546 "parse.y"
{yygotominor.yy46 = SQLITE_SO_ASC;}
#line 2472 "parse.c"
        break;
      case 147:
#line 547 "parse.y"
{yygotominor.yy46 = SQLITE_SO_DESC;}
#line 2477 "parse.c"
        break;
      case 149:
#line 549 "parse.y"
{yygotominor.yy410.z = 0; yygotominor.yy410.n = 0;}
#line 2482 "parse.c"
        break;
      case 155:
#line 567 "parse.y"
{yygotominor.yy234.pLimit = 0; yygotominor.yy234.pOffset = 0;}
#line 2487 "parse.c"
        break;
      case 156:
#line 568 "parse.y"
{yygotominor.yy234.pLimit = yymsp[0].minor.yy172; yygotominor.yy234.pOffset = 0;}
#line 2492 "parse.c"
        break;
      case 157:
#line 570 "parse.y"
{yygotominor.yy234.pLimit = yymsp[-2].minor.yy172; yygotominor.yy234.pOffset = yymsp[0].minor.yy172;}
#line 2497 "parse.c"
        break;
      case 158:
#line 572 "parse.y"
{yygotominor.yy234.pOffset = yymsp[-2].minor.yy172; yygotominor.yy234.pLimit = yymsp[0].minor.yy172;}
#line 2502 "parse.c"
        break;
      case 159:
#line 576 "parse.y"
{sqlite3DeleteFrom(pParse,yymsp[-1].minor.yy373,yymsp[0].minor.yy172);}
#line 2507 "parse.c"
        break;
      case 162:
#line 587 "parse.y"
{sqlite3Update(pParse,yymsp[-3].minor.yy373,yymsp[-1].minor.yy174,yymsp[0].minor.yy172,yymsp[-4].minor.yy46);}
#line 2512 "parse.c"
        break;
      case 163:
#line 593 "parse.y"
{yygotominor.yy174 = sqlite3ExprListAppend(yymsp[-4].minor.yy174,yymsp[0].minor.yy172,&yymsp[-2].minor.yy410);}
#line 2517 "parse.c"
        break;
      case 164:
#line 594 "parse.y"
{yygotominor.yy174 = sqlite3ExprListAppend(0,yymsp[0].minor.yy172,&yymsp[-2].minor.yy410);}
#line 2522 "parse.c"
        break;
      case 165:
#line 600 "parse.y"
{sqlite3Insert(pParse, yymsp[-5].minor.yy373, yymsp[-1].minor.yy174, 0, yymsp[-4].minor.yy432, yymsp[-7].minor.yy46);}
#line 2527 "parse.c"
        break;
      case 166:
#line 602 "parse.y"
{sqlite3Insert(pParse, yymsp[-2].minor.yy373, 0, yymsp[0].minor.yy219, yymsp[-1].minor.yy432, yymsp[-4].minor.yy46);}
#line 2532 "parse.c"
        break;
      case 169:
      case 229:
#line 612 "parse.y"
{yygotominor.yy174 = sqlite3ExprListAppend(yymsp[-2].minor.yy174,yymsp[0].minor.yy172,0);}

#line 2538 "parse.c"
        break;
      case 170:
      case 230:
#line 613 "parse.y"
{yygotominor.yy174 = sqlite3ExprListAppend(0,yymsp[0].minor.yy172,0);}
#line 2544 "parse.c"
        break;
      case 173:

#line 622 "parse.y"
{yygotominor.yy432 = sqlite3IdListAppend(yymsp[-2].minor.yy432,&yymsp[0].minor.yy410);}

#line 2549 "parse.c"
        break;
      case 174:
#line 623 "parse.y"
{yygotominor.yy432 = sqlite3IdListAppend(0,&yymsp[0].minor.yy410);}
#line 2554 "parse.c"
        break;
      case 176:
#line 634 "parse.y"
{yygotominor.yy172 = yymsp[-1].minor.yy172; sqlite3ExprSpan(yygotominor.yy172,&yymsp[-2].minor.yy0,&yymsp[0].minor.yy0); }

#line 2559 "parse.c"
        break;
      case 177:
      case 182:
      case 183:
#line 635 "parse.y"
{yygotominor.yy172 = sqlite3Expr(yymsp[0].major, 0, 0, &yymsp[0].minor.yy0);}

#line 2566 "parse.c"
        break;
      case 178:






      case 179:

#line 636 "parse.y"
{yygotominor.yy172 = sqlite3Expr(TK_ID, 0, 0, &yymsp[0].minor.yy0);}
#line 2572 "parse.c"
        break;
      case 180:
#line 638 "parse.y"
{
  Expr *temp1 = sqlite3Expr(TK_ID, 0, 0, &yymsp[-2].minor.yy410);
  Expr *temp2 = sqlite3Expr(TK_ID, 0, 0, &yymsp[0].minor.yy410);
  yygotominor.yy172 = sqlite3Expr(TK_DOT, temp1, temp2, 0);
}
#line 2581 "parse.c"
        break;
      case 181:
#line 643 "parse.y"
{
  Expr *temp1 = sqlite3Expr(TK_ID, 0, 0, &yymsp[-4].minor.yy410);
  Expr *temp2 = sqlite3Expr(TK_ID, 0, 0, &yymsp[-2].minor.yy410);
  Expr *temp3 = sqlite3Expr(TK_ID, 0, 0, &yymsp[0].minor.yy410);
  Expr *temp4 = sqlite3Expr(TK_DOT, temp2, temp3, 0);
  yygotominor.yy172 = sqlite3Expr(TK_DOT, temp1, temp4, 0);
}
#line 2592 "parse.c"
        break;
      case 184:
#line 652 "parse.y"
{yygotominor.yy172 = sqlite3RegisterExpr(pParse, &yymsp[0].minor.yy0);}
#line 2597 "parse.c"
        break;
      case 185:
#line 653 "parse.y"
{
  Token *pToken = &yymsp[0].minor.yy0;
  Expr *pExpr = yygotominor.yy172 = sqlite3Expr(TK_VARIABLE, 0, 0, pToken);
  sqlite3ExprAssignVarNumber(pParse, pExpr);
}
#line 2606 "parse.c"
        break;
      case 186:
#line 659 "parse.y"
{
  yygotominor.yy172 = sqlite3Expr(TK_CAST, yymsp[-3].minor.yy172, 0, &yymsp[-1].minor.yy410);
  sqlite3ExprSpan(yygotominor.yy172,&yymsp[-5].minor.yy0,&yymsp[0].minor.yy0);
}
#line 2614 "parse.c"
        break;
      case 187:
#line 664 "parse.y"
{
  yygotominor.yy172 = sqlite3ExprFunction(yymsp[-1].minor.yy174, &yymsp[-4].minor.yy0);
  sqlite3ExprSpan(yygotominor.yy172,&yymsp[-4].minor.yy0,&yymsp[0].minor.yy0);
  if( yymsp[-2].minor.yy46 && yygotominor.yy172 ){
    yygotominor.yy172->flags |= EP_Distinct;
  }
}
#line 2625 "parse.c"
        break;
      case 188:
#line 671 "parse.y"
{
  yygotominor.yy172 = sqlite3ExprFunction(0, &yymsp[-3].minor.yy0);
  sqlite3ExprSpan(yygotominor.yy172,&yymsp[-3].minor.yy0,&yymsp[0].minor.yy0);
}
#line 2633 "parse.c"
        break;
      case 189:
#line 675 "parse.y"
{
  /* The CURRENT_TIME, CURRENT_DATE, and CURRENT_TIMESTAMP values are
  ** treated as functions that return constants */
  yygotominor.yy172 = sqlite3ExprFunction(0,&yymsp[0].minor.yy0);

  if( yygotominor.yy172 ) yygotominor.yy172->op = TK_CONST_FUNC;  

}

#line 2643 "parse.c"
        break;
      case 190:
      case 191:
      case 192:
      case 193:
      case 194:
      case 195:
      case 196:
      case 197:

#line 681 "parse.y"
{yygotominor.yy172 = sqlite3Expr(yymsp[-1].major, yymsp[-2].minor.yy172, yymsp[0].minor.yy172, 0);}
#line 2655 "parse.c"
        break;
      case 198:
      case 200:
#line 691 "parse.y"
{yygotominor.yy72.eOperator = yymsp[0].minor.yy0; yygotominor.yy72.not = 0;}
#line 2661 "parse.c"
        break;
      case 199:
      case 201:
#line 692 "parse.y"
{yygotominor.yy72.eOperator = yymsp[0].minor.yy0; yygotominor.yy72.not = 1;}




#line 2667 "parse.c"


        break;
      case 204:
#line 699 "parse.y"
{
  ExprList *pList;
  pList = sqlite3ExprListAppend(0, yymsp[-1].minor.yy172, 0);
  pList = sqlite3ExprListAppend(pList, yymsp[-3].minor.yy172, 0);
  if( yymsp[0].minor.yy172 ){
    pList = sqlite3ExprListAppend(pList, yymsp[0].minor.yy172, 0);
  }
  yygotominor.yy172 = sqlite3ExprFunction(pList, &yymsp[-2].minor.yy72.eOperator);
  if( yymsp[-2].minor.yy72.not ) yygotominor.yy172 = sqlite3Expr(TK_NOT, yygotominor.yy172, 0, 0);
  sqlite3ExprSpan(yygotominor.yy172, &yymsp[-3].minor.yy172->span, &yymsp[-1].minor.yy172->span);
  if( yygotominor.yy172 ) yygotominor.yy172->flags |= EP_InfixFunc;
}
#line 2683 "parse.c"
        break;
      case 205:
#line 712 "parse.y"
{
  yygotominor.yy172 = sqlite3Expr(yymsp[0].major, yymsp[-1].minor.yy172, 0, 0);
  sqlite3ExprSpan(yygotominor.yy172,&yymsp[-1].minor.yy172->span,&yymsp[0].minor.yy0);
}
#line 2691 "parse.c"
        break;
      case 206:
#line 716 "parse.y"
{
  yygotominor.yy172 = sqlite3Expr(TK_ISNULL, yymsp[-2].minor.yy172, 0, 0);
  sqlite3ExprSpan(yygotominor.yy172,&yymsp[-2].minor.yy172->span,&yymsp[0].minor.yy0);
}
#line 2699 "parse.c"
        break;
      case 207:
#line 720 "parse.y"
{
  yygotominor.yy172 = sqlite3Expr(TK_NOTNULL, yymsp[-2].minor.yy172, 0, 0);
  sqlite3ExprSpan(yygotominor.yy172,&yymsp[-2].minor.yy172->span,&yymsp[0].minor.yy0);
}
#line 2707 "parse.c"
        break;
      case 208:
#line 724 "parse.y"
{
  yygotominor.yy172 = sqlite3Expr(TK_NOTNULL, yymsp[-3].minor.yy172, 0, 0);
  sqlite3ExprSpan(yygotominor.yy172,&yymsp[-3].minor.yy172->span,&yymsp[0].minor.yy0);
}
#line 2715 "parse.c"
        break;
      case 209:
#line 728 "parse.y"
{
  yygotominor.yy172 = sqlite3Expr(yymsp[-1].major, yymsp[0].minor.yy172, 0, 0);
  sqlite3ExprSpan(yygotominor.yy172,&yymsp[-1].minor.yy0,&yymsp[0].minor.yy172->span);
}
#line 2723 "parse.c"
        break;
      case 210:
#line 732 "parse.y"
{
  yygotominor.yy172 = sqlite3Expr(TK_UMINUS, yymsp[0].minor.yy172, 0, 0);
  sqlite3ExprSpan(yygotominor.yy172,&yymsp[-1].minor.yy0,&yymsp[0].minor.yy172->span);
}
#line 2731 "parse.c"
        break;
      case 211:
#line 736 "parse.y"
{
  yygotominor.yy172 = sqlite3Expr(TK_UPLUS, yymsp[0].minor.yy172, 0, 0);
  sqlite3ExprSpan(yygotominor.yy172,&yymsp[-1].minor.yy0,&yymsp[0].minor.yy172->span);
}
#line 2739 "parse.c"
        break;
      case 214:
#line 743 "parse.y"
{
  ExprList *pList = sqlite3ExprListAppend(0, yymsp[-2].minor.yy172, 0);
  pList = sqlite3ExprListAppend(pList, yymsp[0].minor.yy172, 0);
  yygotominor.yy172 = sqlite3Expr(TK_BETWEEN, yymsp[-4].minor.yy172, 0, 0);
  if( yygotominor.yy172 ){
    yygotominor.yy172->pList = pList;
  }else{
    sqlite3ExprListDelete(pList);
  } 
  if( yymsp[-3].minor.yy46 ) yygotominor.yy172 = sqlite3Expr(TK_NOT, yygotominor.yy172, 0, 0);
  sqlite3ExprSpan(yygotominor.yy172,&yymsp[-4].minor.yy172->span,&yymsp[0].minor.yy172->span);
}
#line 2755 "parse.c"
        break;
      case 217:
#line 759 "parse.y"
{
    yygotominor.yy172 = sqlite3Expr(TK_IN, yymsp[-4].minor.yy172, 0, 0);
    if( yygotominor.yy172 ){
      yygotominor.yy172->pList = yymsp[-1].minor.yy174;
    }else{
      sqlite3ExprListDelete(yymsp[-1].minor.yy174);
    }
    if( yymsp[-3].minor.yy46 ) yygotominor.yy172 = sqlite3Expr(TK_NOT, yygotominor.yy172, 0, 0);
    sqlite3ExprSpan(yygotominor.yy172,&yymsp[-4].minor.yy172->span,&yymsp[0].minor.yy0);
  }
#line 2769 "parse.c"
        break;
      case 218:
#line 769 "parse.y"
{
    yygotominor.yy172 = sqlite3Expr(TK_SELECT, 0, 0, 0);
    if( yygotominor.yy172 ){
      yygotominor.yy172->pSelect = yymsp[-1].minor.yy219;
    }else{
      sqlite3SelectDelete(yymsp[-1].minor.yy219);
    }
    sqlite3ExprSpan(yygotominor.yy172,&yymsp[-2].minor.yy0,&yymsp[0].minor.yy0);
  }
#line 2782 "parse.c"
        break;
      case 219:
#line 778 "parse.y"
{
    yygotominor.yy172 = sqlite3Expr(TK_IN, yymsp[-4].minor.yy172, 0, 0);
    if( yygotominor.yy172 ){
      yygotominor.yy172->pSelect = yymsp[-1].minor.yy219;
    }else{
      sqlite3SelectDelete(yymsp[-1].minor.yy219);
    }
    if( yymsp[-3].minor.yy46 ) yygotominor.yy172 = sqlite3Expr(TK_NOT, yygotominor.yy172, 0, 0);
    sqlite3ExprSpan(yygotominor.yy172,&yymsp[-4].minor.yy172->span,&yymsp[0].minor.yy0);
  }
#line 2796 "parse.c"
        break;
      case 220:
#line 788 "parse.y"
{
    SrcList *pSrc = sqlite3SrcListAppend(0,&yymsp[-1].minor.yy410,&yymsp[0].minor.yy410);
    yygotominor.yy172 = sqlite3Expr(TK_IN, yymsp[-3].minor.yy172, 0, 0);
    if( yygotominor.yy172 ){
      yygotominor.yy172->pSelect = sqlite3SelectNew(0,pSrc,0,0,0,0,0,0,0);
    }else{
      sqlite3SrcListDelete(pSrc);
    }
    if( yymsp[-2].minor.yy46 ) yygotominor.yy172 = sqlite3Expr(TK_NOT, yygotominor.yy172, 0, 0);
    sqlite3ExprSpan(yygotominor.yy172,&yymsp[-3].minor.yy172->span,yymsp[0].minor.yy410.z?&yymsp[0].minor.yy410:&yymsp[-1].minor.yy410);
  }
#line 2811 "parse.c"
        break;
      case 221:
#line 799 "parse.y"
{
    Expr *p = yygotominor.yy172 = sqlite3Expr(TK_EXISTS, 0, 0, 0);
    if( p ){
      p->pSelect = yymsp[-1].minor.yy219;
      sqlite3ExprSpan(p,&yymsp[-3].minor.yy0,&yymsp[0].minor.yy0);
    }else{
      sqlite3SelectDelete(yymsp[-1].minor.yy219);
    }
  }
#line 2824 "parse.c"
        break;
      case 222:
#line 811 "parse.y"
{
  yygotominor.yy172 = sqlite3Expr(TK_CASE, yymsp[-3].minor.yy172, yymsp[-1].minor.yy172, 0);
  if( yygotominor.yy172 ){
    yygotominor.yy172->pList = yymsp[-2].minor.yy174;
  }else{
    sqlite3ExprListDelete(yymsp[-2].minor.yy174);
  }
  sqlite3ExprSpan(yygotominor.yy172, &yymsp[-4].minor.yy0, &yymsp[0].minor.yy0);
}
#line 2837 "parse.c"
        break;
      case 223:
#line 822 "parse.y"
{
  yygotominor.yy174 = sqlite3ExprListAppend(yymsp[-4].minor.yy174, yymsp[-2].minor.yy172, 0);
  yygotominor.yy174 = sqlite3ExprListAppend(yygotominor.yy174, yymsp[0].minor.yy172, 0);
}
#line 2845 "parse.c"
        break;
      case 224:
#line 826 "parse.y"
{
  yygotominor.yy174 = sqlite3ExprListAppend(0, yymsp[-2].minor.yy172, 0);
  yygotominor.yy174 = sqlite3ExprListAppend(yygotominor.yy174, yymsp[0].minor.yy172, 0);
}
#line 2853 "parse.c"
        break;
      case 233:
#line 853 "parse.y"
{
  sqlite3CreateIndex(pParse, &yymsp[-6].minor.yy410, &yymsp[-5].minor.yy410, sqlite3SrcListAppend(0,&yymsp[-3].minor.yy410,0), yymsp[-1].minor.yy174, yymsp[-9].minor.yy46,
                      &yymsp[-10].minor.yy0, &yymsp[0].minor.yy0, SQLITE_SO_ASC, yymsp[-7].minor.yy46);
}
#line 2861 "parse.c"
        break;
      case 234:
      case 279:
#line 859 "parse.y"
{yygotominor.yy46 = OE_Abort;}
#line 2867 "parse.c"
        break;
      case 235:
#line 860 "parse.y"
{yygotominor.yy46 = OE_None;}
#line 2872 "parse.c"
        break;
      case 238:
#line 870 "parse.y"
{
  Expr *p = 0;
  if( yymsp[-1].minor.yy410.n>0 ){
    p = sqlite3Expr(TK_COLUMN, 0, 0, 0);
    if( p ) p->pColl = sqlite3LocateCollSeq(pParse, (char*)yymsp[-1].minor.yy410.z, yymsp[-1].minor.yy410.n);
  }
  yygotominor.yy174 = sqlite3ExprListAppend(yymsp[-4].minor.yy174, p, &yymsp[-2].minor.yy410);
  if( yygotominor.yy174 ) yygotominor.yy174->a[yygotominor.yy174->nExpr-1].sortOrder = yymsp[0].minor.yy46;
}
#line 2885 "parse.c"
        break;
      case 239:
#line 879 "parse.y"
{
  Expr *p = 0;
  if( yymsp[-1].minor.yy410.n>0 ){
    p = sqlite3Expr(TK_COLUMN, 0, 0, 0);
    if( p ) p->pColl = sqlite3LocateCollSeq(pParse, (char*)yymsp[-1].minor.yy410.z, yymsp[-1].minor.yy410.n);
  }
  yygotominor.yy174 = sqlite3ExprListAppend(0, p, &yymsp[-2].minor.yy410);
  if( yygotominor.yy174 ) yygotominor.yy174->a[yygotominor.yy174->nExpr-1].sortOrder = yymsp[0].minor.yy46;
}
#line 2898 "parse.c"
        break;
      case 241:
#line 893 "parse.y"
{sqlite3DropIndex(pParse, yymsp[0].minor.yy373, yymsp[-1].minor.yy46);}
#line 2903 "parse.c"
        break;
      case 242:
      case 243:
#line 897 "parse.y"
{sqlite3Vacuum(pParse);}
#line 2909 "parse.c"
        break;
      case 244:
      case 246:
#line 903 "parse.y"
{sqlite3Pragma(pParse,&yymsp[-3].minor.yy410,&yymsp[-2].minor.yy410,&yymsp[0].minor.yy410,0);}
#line 2915 "parse.c"
        break;
      case 245:
#line 904 "parse.y"
{sqlite3Pragma(pParse,&yymsp[-3].minor.yy410,&yymsp[-2].minor.yy410,&yymsp[0].minor.yy0,0);}
#line 2920 "parse.c"
        break;
      case 247:
#line 906 "parse.y"
{
  sqlite3Pragma(pParse,&yymsp[-3].minor.yy410,&yymsp[-2].minor.yy410,&yymsp[0].minor.yy410,1);
}
#line 2927 "parse.c"
        break;
      case 248:
#line 909 "parse.y"
{sqlite3Pragma(pParse,&yymsp[-4].minor.yy410,&yymsp[-3].minor.yy410,&yymsp[-1].minor.yy410,0);}
#line 2932 "parse.c"
        break;
      case 249:
#line 910 "parse.y"
{sqlite3Pragma(pParse,&yymsp[-1].minor.yy410,&yymsp[0].minor.yy410,0,0);}
#line 2937 "parse.c"
        break;
      case 255:
#line 922 "parse.y"
{
  Token all;
  all.z = yymsp[-3].minor.yy410.z;
  all.n = (yymsp[0].minor.yy0.z - yymsp[-3].minor.yy410.z) + yymsp[0].minor.yy0.n;
  sqlite3FinishTrigger(pParse, yymsp[-1].minor.yy243, &all);
}
#line 2947 "parse.c"
        break;
      case 256:
#line 931 "parse.y"
{
  sqlite3BeginTrigger(pParse, &yymsp[-7].minor.yy410, &yymsp[-6].minor.yy410, yymsp[-5].minor.yy46, yymsp[-4].minor.yy370.a, yymsp[-4].minor.yy370.b, yymsp[-2].minor.yy373, yymsp[-1].minor.yy46, yymsp[0].minor.yy172, yymsp[-9].minor.yy46);
  yygotominor.yy410 = (yymsp[-6].minor.yy410.n==0?yymsp[-7].minor.yy410:yymsp[-6].minor.yy410);
}
#line 2955 "parse.c"
        break;
      case 257:
      case 260:
#line 937 "parse.y"
{ yygotominor.yy46 = TK_BEFORE; }
#line 2961 "parse.c"
        break;
      case 258:
#line 938 "parse.y"
{ yygotominor.yy46 = TK_AFTER;  }
#line 2966 "parse.c"
        break;
      case 259:
#line 939 "parse.y"
{ yygotominor.yy46 = TK_INSTEAD;}
#line 2971 "parse.c"
        break;
      case 261:
      case 262:
#line 944 "parse.y"
{yygotominor.yy370.a = yymsp[0].major; yygotominor.yy370.b = 0;}
#line 2977 "parse.c"
        break;
      case 263:
#line 946 "parse.y"
{yygotominor.yy370.a = TK_UPDATE; yygotominor.yy370.b = yymsp[0].minor.yy432;}
#line 2982 "parse.c"
        break;
      case 264:
      case 265:
#line 949 "parse.y"
{ yygotominor.yy46 = TK_ROW; }
#line 2988 "parse.c"
        break;
      case 266:
#line 951 "parse.y"
{ yygotominor.yy46 = TK_STATEMENT; }
#line 2993 "parse.c"
        break;
      case 267:
#line 955 "parse.y"
{ yygotominor.yy172 = 0; }
#line 2998 "parse.c"
        break;
      case 268:
#line 956 "parse.y"
{ yygotominor.yy172 = yymsp[0].minor.yy172; }
#line 3003 "parse.c"
        break;
      case 269:
#line 960 "parse.y"
{
  if( yymsp[-2].minor.yy243 ){
    yymsp[-2].minor.yy243->pLast->pNext = yymsp[-1].minor.yy243;
  }else{
    yymsp[-2].minor.yy243 = yymsp[-1].minor.yy243;
  }
  yymsp[-2].minor.yy243->pLast = yymsp[-1].minor.yy243;
  yygotominor.yy243 = yymsp[-2].minor.yy243;
}
#line 3016 "parse.c"
        break;
      case 270:
#line 969 "parse.y"
{ yygotominor.yy243 = 0; }
#line 3021 "parse.c"
        break;
      case 271:
#line 975 "parse.y"
{ yygotominor.yy243 = sqlite3TriggerUpdateStep(&yymsp[-3].minor.yy410, yymsp[-1].minor.yy174, yymsp[0].minor.yy172, yymsp[-4].minor.yy46); }
#line 3026 "parse.c"
        break;
      case 272:
#line 980 "parse.y"
{yygotominor.yy243 = sqlite3TriggerInsertStep(&yymsp[-5].minor.yy410, yymsp[-4].minor.yy432, yymsp[-1].minor.yy174, 0, yymsp[-7].minor.yy46);}
#line 3031 "parse.c"
        break;
      case 273:
#line 983 "parse.y"
{yygotominor.yy243 = sqlite3TriggerInsertStep(&yymsp[-2].minor.yy410, yymsp[-1].minor.yy432, 0, yymsp[0].minor.yy219, yymsp[-4].minor.yy46);}
#line 3036 "parse.c"
        break;
      case 274:
#line 987 "parse.y"
{yygotominor.yy243 = sqlite3TriggerDeleteStep(&yymsp[-1].minor.yy410, yymsp[0].minor.yy172);}
#line 3041 "parse.c"
        break;
      case 275:
#line 990 "parse.y"
{yygotominor.yy243 = sqlite3TriggerSelectStep(yymsp[0].minor.yy219); }
#line 3046 "parse.c"
        break;
      case 276:
#line 993 "parse.y"
{
  yygotominor.yy172 = sqlite3Expr(TK_RAISE, 0, 0, 0); 
  if( yygotominor.yy172 ){
    yygotominor.yy172->iColumn = OE_Ignore;
    sqlite3ExprSpan(yygotominor.yy172, &yymsp[-3].minor.yy0, &yymsp[0].minor.yy0);
  }
}
#line 3057 "parse.c"
        break;
      case 277:
#line 1000 "parse.y"
{
  yygotominor.yy172 = sqlite3Expr(TK_RAISE, 0, 0, &yymsp[-1].minor.yy410); 
  if( yygotominor.yy172 ) {
    yygotominor.yy172->iColumn = yymsp[-3].minor.yy46;
    sqlite3ExprSpan(yygotominor.yy172, &yymsp[-5].minor.yy0, &yymsp[0].minor.yy0);
  }
}
#line 3068 "parse.c"
        break;
      case 278:
#line 1010 "parse.y"
{yygotominor.yy46 = OE_Rollback;}
#line 3073 "parse.c"
        break;
      case 280:
#line 1012 "parse.y"
{yygotominor.yy46 = OE_Fail;}
#line 3078 "parse.c"
        break;
      case 281:
#line 1017 "parse.y"
{
  sqlite3DropTrigger(pParse,yymsp[0].minor.yy373);
}
#line 3085 "parse.c"
        break;
      case 282:
#line 1023 "parse.y"
{
  sqlite3Attach(pParse, yymsp[-3].minor.yy172, yymsp[-1].minor.yy172, yymsp[0].minor.yy386);
}
#line 3092 "parse.c"
        break;
      case 283:
#line 1028 "parse.y"
{ yygotominor.yy386 = 0; }
#line 3097 "parse.c"
        break;
      case 284:
#line 1029 "parse.y"
{ yygotominor.yy386 = yymsp[0].minor.yy172; }
#line 3102 "parse.c"
        break;
      case 287:
#line 1035 "parse.y"
{
  sqlite3Detach(pParse, yymsp[0].minor.yy172);
}
#line 3109 "parse.c"
        break;
      case 288:
#line 1041 "parse.y"
{sqlite3Reindex(pParse, 0, 0);}
#line 3114 "parse.c"
        break;
      case 289:
#line 1042 "parse.y"
{sqlite3Reindex(pParse, &yymsp[-1].minor.yy410, &yymsp[0].minor.yy410);}
#line 3119 "parse.c"
        break;
      case 290:
#line 1047 "parse.y"
{sqlite3Analyze(pParse, 0, 0);}
#line 3124 "parse.c"
        break;
      case 291:
#line 1048 "parse.y"
{sqlite3Analyze(pParse, &yymsp[-1].minor.yy410, &yymsp[0].minor.yy410);}
#line 3129 "parse.c"
        break;
      case 292:
#line 1053 "parse.y"
{
  sqlite3AlterRenameTable(pParse,yymsp[-3].minor.yy373,&yymsp[0].minor.yy410);
}
#line 3136 "parse.c"
        break;
      case 293:
#line 1056 "parse.y"
{
  sqlite3AlterFinishAddColumn(pParse, &yymsp[0].minor.yy410);
}
#line 3143 "parse.c"
        break;
      case 294:
#line 1059 "parse.y"
{
  sqlite3AlterBeginAddColumn(pParse, yymsp[0].minor.yy373);
}
#line 3150 "parse.c"
        break;
      case 297:
#line 1068 "parse.y"
{sqlite3VtabFinishParse(pParse,0);}
#line 3155 "parse.c"
        break;
      case 298:
#line 1069 "parse.y"
{sqlite3VtabFinishParse(pParse,&yymsp[0].minor.yy0);}
#line 3160 "parse.c"
        break;
      case 299:
#line 1070 "parse.y"
{
    sqlite3VtabBeginParse(pParse, &yymsp[-3].minor.yy410, &yymsp[-2].minor.yy410, &yymsp[0].minor.yy410);
}
#line 3167 "parse.c"
        break;
      case 302:
#line 1075 "parse.y"
{sqlite3VtabArgInit(pParse);}
#line 3172 "parse.c"
        break;
      case 304:
      case 305:
      case 306:
      case 308:
#line 1077 "parse.y"
{sqlite3VtabArgExtend(pParse,&yymsp[0].minor.yy0);}
#line 3180 "parse.c"
        break;
  };
  yygoto = yyRuleInfo[yyruleno].lhs;
  yysize = yyRuleInfo[yyruleno].nrhs;
  yypParser->yyidx -= yysize;
  yyact = yy_find_reduce_action(yymsp[-yysize].stateno,yygoto);
  if( yyact < YYNSTATE ){
................................................................................
    if( TOKEN.z[0] ){
      sqlite3ErrorMsg(pParse, "near \"%T\": syntax error", &TOKEN);
    }else{
      sqlite3ErrorMsg(pParse, "incomplete SQL statement");
    }
    pParse->parseError = 1;
  }
#line 3248 "parse.c"
  sqlite3ParserARG_STORE; /* Suppress warning about unused %extra_argument variable */
}

/*
** The following is executed when the parser accepts
*/
static void yy_accept(







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...
354
355
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...
455
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...
500
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569
570
571
572
573
574
575
576
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578
579
580
581
582
583
584
585
586
587
588
...
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
....
1035
1036
1037
1038
1039
1040
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1042
1043
1044
1045
1046
1047
1048
1049
1050
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1081
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1095
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1102
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1104
1105
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1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
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1149
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1151
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1153
1154
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1157
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1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
....
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
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1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
....
1477
1478
1479
1480
1481
1482
1483
1484
1485
1486
1487
1488
1489
1490
1491
....
1606
1607
1608
1609
1610
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1612
1613
1614
1615
1616
1617
1618
1619
1620
....
1671
1672
1673
1674
1675
1676
1677
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1679
1680
1681
1682
1683
1684
1685
....
1761
1762
1763
1764
1765
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1769
1770
1771
1772
1773
1774
1775
....
1786
1787
1788
1789
1790
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1792
1793
1794
1795
1796
1797
1798
1799
1800
....
1865
1866
1867
1868
1869
1870
1871
1872
1873
1874
1875
1876
1877
1878
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1880
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1911
1912
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2015
2016
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2019
2020
2021
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2100
2101
2102
2103
2104
2105
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2107
2108
2109
2110
2111
2112
2113
2114
2115
2116
2117
2118
2119
2120
2121
2122
2123
2124
2125
2126
2127
2128
2129
2130
2131
2132
2133
2134
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2142
2143
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2145
2146
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2148
2149
2150
2151
2152
2153
2154
2155
2156
2157
2158
2159
2160
2161
2162
2163
2164
2165
2166
2167
2168
2169
2170
2171
2172
2173
2174
2175
2176
2177
2178
2179
2180
2181
2182
2183
2184
2185
2186
2187
2188
2189
2190
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2192
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2194
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2196
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2200
2201
2202
2203
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2205
2206
2207
2208
2209
2210
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2222
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2235
2236
2237
2238
2239
2240
2241
2242
2243
2244
2245
2246
2247
2248
2249
2250
2251
2252
2253
2254
2255
2256
2257
2258
2259
2260
2261
2262
2263
2264
2265
2266
2267
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2321
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2325
2326
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2328
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2330
2331
2332
2333
2334
2335
2336
2337
2338
2339
2340
2341
2342
2343
2344
....
2346
2347
2348
2349
2350
2351
2352
2353
2354
2355
2356
2357
2358
2359
2360
....
2363
2364
2365
2366
2367
2368
2369
2370
2371
2372
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2375
2376
2377
2378
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2487
2488
2489
2490
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2500
2501
2502
2503
2504
2505
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2507
2508
2509
2510
2511
2512
2513
2514
2515
2516
2517
2518
2519
2520
2521
2522
2523
2524
2525
2526
2527
2528
2529
2530
2531
2532
2533

2534

2535
2536
2537
2538
2539
2540
2541
2542
2543
2544
2545
2546

2547
2548
2549
2550
2551
2552
2553
2554
2555
2556

2557
2558
2559
2560


2561

2562
2563
2564
2565
2566
2567
2568
2569
2570
2571
2572
2573
2574
2575
2576
2577
2578
2579
2580
2581
2582
2583
2584
2585
2586
2587
2588
2589
2590
2591
2592
2593
2594
2595
2596
2597
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2600
2601
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2635
2636
2637
2638
2639
2640
2641
2642
2643
2644
2645
2646
2647
2648
2649
2650
2651

2652
2653
2654
2655
2656
2657
2658
2659
2660
2661
2662






2663
2664
2665
2666
2667
2668
2669
2670
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2677
2678
2679
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2684
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2722
2723
2724
2725
2726
2727
2728
2729
2730
2731
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2733
2734
2735
2736
2737
2738
2739
2740
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2747
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2761
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2766
2767
2768
2769
2770
2771
2772
2773
2774
2775
2776
2777
2778
2779
2780
2781
2782
2783
2784
2785
2786
2787
2788
2789
2790
2791
2792
2793
2794
2795
2796
2797
2798
2799
2800
2801
2802
2803
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2809
2810
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2901
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2915
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2918
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2920
2921
2922
2923
2924
2925
2926
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2929
2930
2931
2932
2933
2934
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2936
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2940
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2977
2978
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2980
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2983
2984
2985
2986
2987
2988
2989
2990
2991
2992
2993
2994
2995
2996
2997
2998
2999
3000
3001
3002
3003
3004
3005
3006
3007
3008
3009
3010
3011
3012
3013
3014
3015
3016
3017
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3019
3020
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3022
3023
3024
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3098
3099
3100
3101
3102
3103
3104
3105
3106
3107
3108
3109
3110
3111
3112
3113
3114
3115
3116
3117
3118
3119
3120
3121
3122
3123
3124
3125
3126
3127
3128
3129
3130
3131
3132
3133
3134
3135
3136
3137
3138
3139
3140
3141
3142
3143
3144
3145
3146
3147
3148
3149
3150
3151
3152
3153
3154
3155
3156
3157
3158
3159
3160
3161
3162
3163
3164
3165
3166
3167
3168
3169
3170
3171
3172
3173
3174
3175
3176
3177
3178
3179
3180
3181
3182
3183
3184
3185
3186
3187
3188
3189
3190
3191
3192
3193
3194
....
3247
3248
3249
3250
3251
3252
3253
3254
3255
3256
3257
3258
3259
3260
3261
  int yy495;
} YYMINORTYPE;
#define YYSTACKDEPTH 100
#define sqlite3ParserARG_SDECL Parse *pParse;
#define sqlite3ParserARG_PDECL ,Parse *pParse
#define sqlite3ParserARG_FETCH Parse *pParse = yypParser->pParse
#define sqlite3ParserARG_STORE yypParser->pParse = pParse
#define YYNSTATE 586
#define YYNRULE 310
#define YYERRORSYMBOL 139
#define YYERRSYMDT yy495
#define YYFALLBACK 1
#define YY_NO_ACTION      (YYNSTATE+YYNRULE+2)
#define YY_ACCEPT_ACTION  (YYNSTATE+YYNRULE+1)
#define YY_ERROR_ACTION   (YYNSTATE+YYNRULE)

................................................................................
**  yy_shift_ofst[]    For each state, the offset into yy_action for
**                     shifting terminals.
**  yy_reduce_ofst[]   For each state, the offset into yy_action for
**                     shifting non-terminals after a reduce.
**  yy_default[]       Default action for each state.
*/
static const YYACTIONTYPE yy_action[] = {
 /*     0 */   290,   67,  294,   69,  150,  168,  206,  435,   61,   61,
 /*    10 */    61,   61,   66,   63,   63,   63,   63,   64,   64,   65,
 /*    20 */    65,   65,   66,  445,  325,  164,  448,  454,   68,   63,
 /*    30 */    63,   63,   63,   64,   64,   65,   65,   65,   66,   64,
 /*    40 */    64,   65,   65,   65,   66,   60,   58,  298,  458,  459,
 /*    50 */   455,  455,   62,   62,   61,   61,   61,   61,  517,   63,
 /*    60 */    63,   63,   63,   64,   64,   65,   65,   65,   66,  290,
 /*    70 */   321,   67,  435,   69,  150,   79,  160,  114,  224,  317,
 /*    80 */   229,  318,  172,  249,  897,  120,  585,  519,  522,    2,
 /*    90 */   250,  571,  426,   35,  223,  448,  454,  532,   20,   57,
 /*   100 */   388,  385,   63,   63,   63,   63,   64,   64,   65,   65,
 /*   110 */    65,   66,  290,  477,   60,   58,  298,  458,  459,  455,
 /*   120 */   455,   62,   62,   61,   61,   61,   61,  393,   63,   63,
 /*   130 */    63,   63,   64,   64,   65,   65,   65,   66,  448,  454,
 /*   140 */    91,  314,  389,  484,  236,  387,  271,  204,    2,   83,
 /*   150 */   586,  388,  385,  474,  196,  443,  209,   60,   58,  298,
 /*   160 */   458,  459,  455,  455,   62,   62,   61,   61,   61,   61,
 /*   170 */   170,   63,   63,   63,   63,   64,   64,   65,   65,   65,
 /*   180 */    66,  290,  490,  443,  209,  274,  109,  272,  427,  447,
 /*   190 */   406,  284,  394,  395,  445,  521,  164,  321,  511,   67,
 /*   200 */   530,   69,  150,  567,  427,  143,  520,  448,  454,  145,
 /*   210 */   146,  583,  888,  376,  888,  515,  171,  156,  518,  426,
 /*   220 */    40,  340,  430,   19,  290,  140,   60,   58,  298,  458,
 /*   230 */   459,  455,  455,   62,   62,   61,   61,   61,   61,  384,
 /*   240 */    63,   63,   63,   63,   64,   64,   65,   65,   65,   66,
 /*   250 */   448,  454,  580,  408,  409,  432,  432,  432,  332,  335,
 /*   260 */   240,  549,   67,  472,   69,  150,  273,  290,  294,   60,
 /*   270 */    58,  298,  458,  459,  455,  455,   62,   62,   61,   61,
 /*   280 */    61,   61,  124,   63,   63,   63,   63,   64,   64,   65,
 /*   290 */    65,   65,   66,  448,  454,  405,  514,  393,  293,  548,
 /*   300 */    65,   65,   65,   66,  511,  393,  546,  409,  447,  297,
 /*   310 */   438,  439,   60,   58,  298,  458,  459,  455,  455,   62,
 /*   320 */    62,   61,   61,   61,   61,  206,   63,   63,   63,   63,
 /*   330 */    64,   64,   65,   65,   65,   66,  523,  518,  369,  290,
 /*   340 */    75,  430,  148,  494,  224,  317,  229,  318,  172,  249,
 /*   350 */   370,  267,  266,    1,  579,  289,  250,  393,  420,  449,
 /*   360 */   450,  206,  394,  395,  177,  448,  454,  343,  346,  347,
 /*   370 */   394,  395,  208,  360,  432,  432,  432,  363,  168,  348,
 /*   380 */   435,  452,  453,   78,   60,   58,  298,  458,  459,  455,
 /*   390 */   455,   62,   62,   61,   61,   61,   61,  480,   63,   63,
 /*   400 */    63,   63,   64,   64,   65,   65,   65,   66,  290,  451,
 /*   410 */   177,  566,  497,  343,  346,  347,   21,  321,  522,  321,
 /*   420 */   435,  321,  394,  395,  321,  348,  479,  404,   20,  568,
 /*   430 */   569,  493,  151,  177,  448,  454,  343,  346,  347,  426,
 /*   440 */    34,  426,   34,  426,   34,  435,  426,   34,  348,  197,
 /*   450 */   237,  147,  531,   60,   58,  298,  458,  459,  455,  455,
 /*   460 */    62,   62,   61,   61,   61,   61,  427,   63,   63,   63,
 /*   470 */    63,   64,   64,   65,   65,   65,   66,  290,  230,  351,
 /*   480 */   412,  516,  301,  427,  337,  435,  321,  155,  321,  299,
 /*   490 */   321,  208,  413,  154,  469,    9,  469,  462,  468,  393,
 /*   500 */    74,  469,   76,  448,  454,  414,  173,  410,  426,   40,
 /*   510 */   426,   48,  426,   48,  324,  438,  439,  411,  327,  479,
 /*   520 */   461,  461,   60,   58,  298,  458,  459,  455,  455,   62,
 /*   530 */    62,   61,   61,   61,   61,  463,   63,   63,   63,   63,
 /*   540 */    64,   64,   65,   65,   65,   66,  290,  321,  503,  238,
 /*   550 */   253,  484,  393,  341,  412,  149,  425,  309,  338,  310,
 /*   560 */   424,  393,  292,  393,  394,  395,  413,  250,  504,  426,
 /*   570 */    27,  241,  448,  454,  435,  426,    3,  208,  543,  414,
 /*   580 */   322,  331,  583,  887,  327,  887,  461,  461,  488,  427,
 /*   590 */   242,   60,   58,  298,  458,  459,  455,  455,   62,   62,
 /*   600 */    61,   61,   61,   61,  255,   63,   63,   63,   63,   64,
 /*   610 */    64,   65,   65,   65,   66,  290,  371,  394,  395,  492,
 /*   620 */    90,  302,  327,  580,  461,  461,  394,  395,  394,  395,
 /*   630 */   321,  529,  498,  321,  396,  397,  398,  522,  528,  435,
 /*   640 */   219,  448,  454,  259,  481,  257,  576,   20,  327,  300,
 /*   650 */   461,  461,  426,   28,  545,  426,   23,  509,  290,  342,
 /*   660 */    60,   58,  298,  458,  459,  455,  455,   62,   62,   61,
 /*   670 */    61,   61,   61,  321,   63,   63,   63,   63,   64,   64,
 /*   680 */    65,   65,   65,   66,  448,  454,  425,  539,  357,  539,
 /*   690 */   424,  261,  303,  509,  822,  426,   32,  436,  509,   22,
 /*   700 */   188,  290,  509,   60,   58,  298,  458,  459,  455,  455,
 /*   710 */    62,   62,   61,   61,   61,   61,  321,   63,   63,   63,
 /*   720 */    63,   64,   64,   65,   65,   65,   66,  448,  454,  174,
 /*   730 */   175,  176,  381,  216,  427,  484,  248,  304,  426,   53,
 /*   740 */   509,  509,  261,  261,  290,  261,   60,   70,  298,  458,
 /*   750 */   459,  455,  455,   62,   62,   61,   61,   61,   61,  368,
 /*   760 */    63,   63,   63,   63,   64,   64,   65,   65,   65,   66,
 /*   770 */   448,  454,  247,  392,  244,  305,  307,  248,  167,  156,
 /*   780 */   364,  248,  383,  262,  556,  261,  558,  290,  261,  115,
 /*   790 */    58,  298,  458,  459,  455,  455,   62,   62,   61,   61,
 /*   800 */    61,   61,  321,   63,   63,   63,   63,   64,   64,   65,
 /*   810 */    65,   65,   66,  448,  454,  488,  467,  488,   12,  248,
 /*   820 */   248,  207,    5,  367,  426,   24,  559,  367,   54,  560,
 /*   830 */   312,  119,  441,  441,  298,  458,  459,  455,  455,   62,
 /*   840 */    62,   61,   61,   61,   61,  321,   63,   63,   63,   63,
 /*   850 */    64,   64,   65,   65,   65,   66,   71,  328,  321,    4,
 /*   860 */   321,  541,  321,  296,  261,  540,  261,  426,   51,  321,
 /*   870 */   161,  323,   71,  328,  321,    4,  358,  359,  308,  296,
 /*   880 */   426,   96,  426,   93,  426,   98,  225,  323,  330,  217,
 /*   890 */   431,  426,   99,  218,  444,  321,  426,  110,  226,  447,
 /*   900 */   321,  261,  321,  421,  330,  275,  190,  375,  321,  333,
 /*   910 */   422,  321,  417,  418,  470,  447,  321,  426,  111,   73,
 /*   920 */    72,  192,  426,   16,  426,   97,  152,   71,  319,  320,
 /*   930 */   426,   33,  430,  426,   94,   73,   72,  491,  426,   52,
 /*   940 */   321,  478,  277,   71,  319,  320,   71,  328,  430,    4,
 /*   950 */   321,  206,  321,  296,  321,  427,  486,  321,  169,  179,
 /*   960 */   427,  323,  426,  112,  620,  432,  432,  432,  433,  434,
 /*   970 */    11,  378,  426,  113,  426,   25,  426,   36,  330,  426,
 /*   980 */    37,  432,  432,  432,  433,  434,   11,  483,  326,  447,
 /*   990 */   158,  206,  321,  427,  173,  220,  221,  222,  101,  182,
 /*  1000 */   495,  321,   12,  321,  377,  321,   81,  321,  487,   73,
 /*  1010 */    72,  202,  581,  279,  426,   26,  246,   71,  319,  320,
 /*  1020 */   280,  321,  430,  426,   38,  426,   39,  426,   41,  426,
 /*  1030 */    42,  321,  199,  427,  548,  502,  501,  537,  538,  198,
 /*  1040 */   321,  499,  201,  426,   43,  321,  500,  507,  321,  124,
 /*  1050 */   292,  321,  582,  426,   29,  432,  432,  432,  433,  434,
 /*  1060 */    11,  505,  426,   30,  456,  506,  321,  426,   44,  200,
 /*  1070 */   426,   45,  321,  426,   46,  252,  321,  124,  350,  321,
 /*  1080 */   124,  321,  524,  254,  185,  374,  276,  266,  426,   47,
 /*  1090 */   578,  291,  288,  256,  426,   31,  206,  258,  426,   10,
 /*  1100 */   260,  426,   49,  426,   50,  355,  544,  552,  124,  169,
 /*  1110 */   553,  265,   88,  362,  365,  563,  366,   88,  268,   18,
 /*  1120 */   380,  269,  270,  555,  565,  278,  379,  281,  227,  282,
 /*  1130 */   575,  142,  231,  402,  329,  440,  442,  473,  498,  159,
 /*  1140 */   476,  551,  508,  562,  510,  391,  399,  400,  401,    8,
 /*  1150 */   315,  316,  295,   81,  420,  336,  232,   80,  345,  407,
 /*  1160 */   415,  334,  228,   56,   77,  419,  423,  166,  471,  416,
 /*  1170 */   210,  239,  474,  475,  211,  121,   82,  339,  102,  512,
 /*  1180 */   352,  180,  285,  428,  356,  533,  525,  181,  526,  527,
 /*  1190 */   263,  354,  233,  513,  234,  286,  184,  183,   85,  535,
 /*  1200 */   235,  186,  429,  117,  361,  128,  547,  373,  189,  572,
 /*  1210 */   243,  577,  485,  245,  129,  489,  212,  372,  130,  311,
 /*  1220 */   554,  573,  214,  215,  574,   95,  134,  131,  132,  561,
 /*  1230 */   390,  403,  116,  213,  205,  100,   55,  621,  622,  162,
 /*  1240 */   138,  163,   59,  457,  137,  437,  446,  460,  464,  139,
 /*  1250 */   153,  482,  465,    6,  536,  165,  466,   13,    7,  122,
 /*  1260 */    12,  123,  496,  157,  344,  103,  349,  251,  104,   84,
 /*  1270 */   105,  178,  226,  353,  141,  534,  125,  169,  264,  306,
 /*  1280 */   187,  106,  287,  550,   89,   92,  127,   86,   87,  126,
 /*  1290 */   542,   17,  191,  108,   14,  194,  193,  557,  135,  133,
 /*  1300 */   195,  136,   15,  564,  570,  118,  107,  203,  144,  313,
 /*  1310 */   382,  283,  386,  559,  584,
};
static const YYCODETYPE yy_lookahead[] = {
 /*     0 */    16,  218,   16,  220,  221,   21,  111,   23,   70,   71,
 /*    10 */    72,   73,   84,   75,   76,   77,   78,   79,   80,   81,
 /*    20 */    82,   83,   84,  162,  163,  164,   42,   43,   74,   75,
 /*    30 */    76,   77,   78,   79,   80,   81,   82,   83,   84,   79,
 /*    40 */    80,   81,   82,   83,   84,   61,   62,   63,   64,   65,
................................................................................
 /*   410 */    90,  148,   20,   93,   94,   95,   19,  148,  148,  148,
 /*   420 */    23,  148,   88,   89,  148,  105,   22,  157,  158,  166,
 /*   430 */   167,   20,  156,   90,   42,   43,   93,   94,   95,  170,
 /*   440 */   171,  170,  171,  170,  171,   88,  170,  171,  105,  156,
 /*   450 */   148,  181,  182,   61,   62,   63,   64,   65,   66,   67,
 /*   460 */    68,   69,   70,   71,   72,   73,  190,   75,   76,   77,
 /*   470 */    78,   79,   80,   81,   82,   83,   84,   16,  191,   16,
 /*   480 */    12,   20,  213,  190,  213,   88,  148,  148,  148,  213,
 /*   490 */   148,  228,   24,   89,  225,   19,  225,   20,  225,   23,
 /*   500 */   131,  225,  133,   42,   43,   37,   43,   39,  170,  171,
 /*   510 */   170,  171,  170,  171,  165,  166,  167,   49,  107,  115,
 /*   520 */   109,  110,   61,   62,   63,   64,   65,   66,   67,   68,
 /*   530 */    69,   70,   71,   72,   73,   20,   75,   76,   77,   78,
 /*   540 */    79,   80,   81,   82,   83,   84,   16,  148,   30,  211,
 /*   550 */    20,  162,   23,  148,   12,  156,  108,  217,  148,  217,
 /*   560 */   112,   23,   99,   23,   88,   89,   24,  104,   50,  170,
 /*   570 */   171,  148,   42,   43,   23,  170,  171,  228,   18,   37,
 /*   580 */   148,   39,   19,   20,  107,   22,  109,  110,  148,  190,
 /*   590 */   201,   61,   62,   63,   64,   65,   66,   67,   68,   69,
 /*   600 */    70,   71,   72,   73,   14,   75,   76,   77,   78,   79,
 /*   610 */    80,   81,   82,   83,   84,   16,   56,   88,   89,   81,
 /*   620 */    21,  103,  107,   60,  109,  110,   88,   89,   88,   89,
 /*   630 */   148,  177,  178,  148,    7,    8,    9,  148,  184,   88,
 /*   640 */   146,   42,   43,   53,  115,   55,  157,  158,  107,  209,
 /*   650 */   109,  110,  170,  171,   94,  170,  171,  148,   16,   81,
 /*   660 */    61,   62,   63,   64,   65,   66,   67,   68,   69,   70,
 /*   670 */    71,   72,   73,  148,   75,   76,   77,   78,   79,   80,
 /*   680 */    81,   82,   83,   84,   42,   43,  108,  100,  101,  102,
 /*   690 */   112,  148,  183,  148,  134,  170,  171,   20,  148,   22,
 /*   700 */   156,   16,  148,   61,   62,   63,   64,   65,   66,   67,
 /*   710 */    68,   69,   70,   71,   72,   73,  148,   75,   76,   77,
 /*   720 */    78,   79,   80,   81,   82,   83,   84,   42,   43,  100,
 /*   730 */   101,  102,  189,  183,  190,  162,  227,  183,  170,  171,
 /*   740 */   148,  148,  148,  148,   16,  148,   61,   62,   63,   64,
 /*   750 */    65,   66,   67,   68,   69,   70,   71,   72,   73,  215,
 /*   760 */    75,   76,   77,   78,   79,   80,   81,   82,   83,   84,
 /*   770 */    42,   43,  227,  148,  201,  183,  183,  227,  202,  203,
 /*   780 */   236,  227,  239,  189,  189,  148,  189,   16,  148,  148,
 /*   790 */    62,   63,   64,   65,   66,   67,   68,   69,   70,   71,
 /*   800 */    72,   73,  148,   75,   76,   77,   78,   79,   80,   81,
 /*   810 */    82,   83,   84,   42,   43,  148,   20,  148,   22,  227,
 /*   820 */   227,  193,  192,  148,  170,  171,  189,  148,  200,  189,
 /*   830 */   242,  243,  125,  126,   63,   64,   65,   66,   67,   68,
 /*   840 */    69,   70,   71,   72,   73,  148,   75,   76,   77,   78,
 /*   850 */    79,   80,   81,   82,   83,   84,   16,   17,  148,   19,
 /*   860 */   148,   25,  148,   23,  148,   29,  148,  170,  171,  148,
 /*   870 */    19,   31,   16,   17,  148,   19,  209,   41,  209,   23,
 /*   880 */   170,  171,  170,  171,  170,  171,   92,   31,   48,  214,
 /*   890 */   148,  170,  171,  214,  162,  148,  170,  171,  104,   59,
 /*   900 */   148,  148,  148,   27,   48,  189,   22,  189,  148,  148,
 /*   910 */    34,  148,    7,    8,  148,   59,  148,  170,  171,   79,
 /*   920 */    80,  156,  170,  171,  170,  171,  156,   87,   88,   89,
 /*   930 */   170,  171,   92,  170,  171,   79,   80,   81,  170,  171,
 /*   940 */   148,  204,  189,   87,   88,   89,   16,   17,   92,   19,
 /*   950 */   148,  111,  148,   23,  148,  190,   20,  148,   22,  156,
 /*   960 */   190,   31,  170,  171,  113,  125,  126,  127,  128,  129,
 /*   970 */   130,   91,  170,  171,  170,  171,  170,  171,   48,  170,
 /*   980 */   171,  125,  126,  127,  128,  129,  130,  148,   16,   59,
 /*   990 */     5,  111,  148,  190,   43,   10,   11,   12,   13,  156,
 /*  1000 */    20,  148,   22,  148,  124,  148,  122,  148,  148,   79,
 /*  1010 */    80,   26,   20,   28,  170,  171,  148,   87,   88,   89,
 /*  1020 */    35,  148,   92,  170,  171,  170,  171,  170,  171,  170,
 /*  1030 */   171,  148,   47,  190,   49,   91,   92,   51,   52,   54,
 /*  1040 */   148,  148,   57,  170,  171,  148,  179,   20,  148,   22,
 /*  1050 */    99,  148,   60,  170,  171,  125,  126,  127,  128,  129,
 /*  1060 */   130,  179,  170,  171,   92,  179,  148,  170,  171,   19,
 /*  1070 */   170,  171,  148,  170,  171,   20,  148,   22,   20,  148,
 /*  1080 */    22,  148,  148,  148,  232,  100,  101,  102,  170,  171,
 /*  1090 */    20,  106,   22,  148,  170,  171,  111,  148,  170,  171,
 /*  1100 */   148,  170,  171,  170,  171,  233,   20,   20,   22,   22,
 /*  1110 */    20,  148,   22,  148,  148,   20,  148,   22,  148,   69,
 /*  1120 */   135,  148,  148,  148,  148,  148,  148,  148,  173,  148,
 /*  1130 */   148,  192,  194,  150,  224,  229,  229,  173,  178,    6,
 /*  1140 */   173,  195,  173,  195,  173,  147,  147,  147,  147,   22,
 /*  1150 */   155,   99,   40,  122,   98,  119,  195,  120,  174,  172,
 /*  1160 */   172,  117,  172,  121,  131,  174,  172,  113,  153,  180,
 /*  1170 */   223,   97,   23,  161,  212,  153,   99,  116,   19,  161,
 /*  1180 */    15,  152,  175,  190,   38,  153,  172,  152,  172,  172,
 /*  1190 */   234,  153,  196,  180,  197,  175,  153,  152,  131,  153,
 /*  1200 */   198,  152,  199,   61,  153,   19,  185,   15,  185,   33,
 /*  1210 */   205,  138,  206,  205,  188,  206,  212,  153,  188,  153,
 /*  1220 */   195,  153,  212,  212,  153,  160,  185,  188,  188,  195,
 /*  1230 */     1,   20,   32,  176,   44,  176,   19,  113,  113,  113,
 /*  1240 */   216,  113,   19,   92,  216,   20,   20,  108,   11,   19,
 /*  1250 */    19,  115,   20,  118,  235,   22,   20,   22,  118,   19,
 /*  1260 */    22,   20,   20,  113,   44,   19,   44,   20,   19,   19,
 /*  1270 */    19,   96,  104,   16,   21,   17,   99,   22,  134,   36,
 /*  1280 */    99,   19,    5,    1,  237,  237,  103,   69,   69,   45,
 /*  1290 */    45,  231,  123,  240,   19,   14,  114,   17,  103,  114,
 /*  1300 */   116,  123,   19,  124,   20,  243,   14,  136,   19,  246,
 /*  1310 */    58,  137,    3,  247,    4,
};
#define YY_SHIFT_USE_DFLT (-106)
#define YY_SHIFT_MAX 386
static const short yy_shift_ofst[] = {
 /*     0 */    99,  840,  985,  -16,  840,  930,  930,  930,  274, -105,
 /*    10 */    96,  930,  930,  930,  930,  930,  -46,  250,  104,  540,
 /*    20 */   551,   76,   76,   53,  165,  208,  251,  323,  392,  461,
 /*    30 */   530,  599,  642,  685,  642,  642,  642,  642,  642,  642,
 /*    40 */   642,  642,  642,  642,  642,  642,  642,  642,  642,  642,
 /*    50 */   642,  728,  771,  771,  856,  930,  930,  930,  930,  930,
................................................................................
 /*    60 */   930,  930,  930,  930,  930,  930,  930,  930,  930,  930,
 /*    70 */   930,  930,  930,  930,  930,  930,  930,  930,  930,  930,
 /*    80 */   930,  930,  930,  930,  930,  930,  930,  930,  930,  930,
 /*    90 */   930,  930,  930,  -62,  -62,  -14,   27,   27,  -40,  219,
 /*   100 */   463,  560,  540,  540,  540,  540,  540,  540,  540,  551,
 /*   110 */   -72, -106, -106, -106,  130,  252,  468,  468,  192,  563,
 /*   120 */   150,  357,  540,  357,  540,  540,  540,  540,  540,  540,
 /*   130 */   540,  540,  540,  540,  540,  540,  540,  880,  214, -105,
 /*   140 */  -105, -105, -106, -106, -106,  249,  249,  320,  343,  411,
 /*   150 */   334,  477,  515,  542,  282,  529,  476,  538,  627,  540,
 /*   160 */   540,  578,  540,  540,  397,  540,  540,  404,  540,  540,
 /*   170 */   541,  404,  540,  540,  518,  518,  518,  540,  540,  541,
 /*   180 */   540,  540,  541,  540,  836,  587,  540,  540,  541,  540,
 /*   190 */   540,  540,  541,  540,  540,  540,  541,  541,  540,  540,
 /*   200 */   540,  540,  540,  540,  204,  876,  448,   91,  707,  707,
 /*   210 */   369,  876,  876,  951,  876,  876,  260,  884,  884, 1133,
 /*   220 */  1133, 1133, 1133, 1127, 1052, 1052, 1112, 1052, 1056, 1052,
 /*   230 */  -105, 1031, 1036, 1037, 1044, 1042, 1033, 1054, 1074, 1149,
 /*   240 */  1074, 1054, 1077, 1061, 1077, 1061, 1159, 1074, 1074, 1149,
 /*   250 */  1112, 1052, 1052, 1052, 1159, 1165, 1054, 1165, 1054, 1165,
 /*   260 */  1054, 1054, 1146, 1067, 1165, 1054, 1142, 1142, 1186, 1031,
 /*   270 */  1054, 1192, 1192, 1192, 1192, 1031, 1142, 1186, 1054, 1176,
 /*   280 */  1176, 1054, 1054, 1073, -106, -106, -106, -106, -106, -106,
 /*   290 */   317,  132,  629,  590,  794,  905,  851,  677,  972,  796,
 /*   300 */   936,  980,  944, 1027, 1055, 1058,  986, 1086, 1087, 1090,
 /*   310 */  1095, 1050, 1070,  992, 1229, 1211, 1200, 1190, 1217, 1124,
 /*   320 */  1125, 1126, 1128, 1223, 1225, 1226, 1151, 1139, 1230, 1237,
 /*   330 */  1231, 1232, 1233, 1236, 1135, 1235, 1140, 1238, 1136, 1240,
 /*   340 */  1241, 1150, 1242, 1220, 1246, 1247, 1249, 1250, 1222, 1251,
 /*   350 */  1175, 1168, 1257, 1258, 1253, 1177, 1243, 1244, 1255, 1245,
 /*   360 */  1144, 1181, 1262, 1277, 1282, 1183, 1218, 1219, 1169, 1275,
 /*   370 */  1182, 1281, 1184, 1280, 1185, 1195, 1178, 1283, 1179, 1284,
 /*   380 */  1292, 1252, 1171, 1174, 1289, 1309, 1310,
};
#define YY_REDUCE_USE_DFLT (-218)
#define YY_REDUCE_MAX 289
static const short yy_reduce_ofst[] = {
 /*     0 */   -56,  276,   -2,  -19,  399,  269,   49,  271,  270,   14,
 /*    10 */  -147,  -78,  273,  338,  340,  342,   44,  544,  263,  -60,
 /*    20 */    32,  144,  349, -217, -217, -217, -217, -217, -217, -217,
 /*    30 */  -217, -217, -217, -217, -217, -217, -217, -217, -217, -217,
 /*    40 */  -217, -217, -217, -217, -217, -217, -217, -217, -217, -217,
 /*    50 */  -217, -217, -217, -217,  405,  482,  485,  525,  568,  654,
................................................................................
 /*    80 */   857,  859,  873,  883,  892,  897,  900,  903,  918,  924,
 /*    90 */   928,  931,  933, -217, -217,  127, -217, -217, -217, -217,
 /*   100 */   454,  147,  509,  550,  554,  592,  593,  543,  489, -139,
 /*   110 */  -217, -217, -217, -217,   45,   21,   67,  120,  110,  110,
 /*   120 */     3,  389,  440,  573,  545,  594,  667,  675,  669,  595,
 /*   130 */   597,  637,  640,  716,  718,  679,  753,  293,  765,  770,
 /*   140 */   803,  843,  628,  576,  588, -112,  -83,   18,  154,  287,
 /*   150 */   302,  287,  287,   71,  339,  410,  423,  432,  494,  625,
 /*   160 */   641,  630,  432,  742,  732,  761,  766,  737,  839,  860,
 /*   170 */   287,  737,  868,  893,  867,  882,  886,  934,  935,  287,
 /*   180 */   945,  949,  287,  952,  852,  872,  963,  965,  287,  966,
 /*   190 */   968,  970,  287,  973,  974,  975,  287,  287,  976,  977,
 /*   200 */   978,  979,  981,  982,  983,  955,  939,  938,  906,  907,
 /*   210 */   910,  964,  967,  960,  969,  971,  984,  946,  948,  998,
 /*   220 */   999, 1000, 1001,  995,  987,  988,  989,  990,  991,  994,
 /*   230 */   993,  961,  996,  997, 1002, 1003,  947, 1015,  962, 1012,
 /*   240 */  1004, 1022, 1005, 1006, 1008, 1009, 1007, 1010, 1011, 1018,
 /*   250 */  1013, 1014, 1016, 1017, 1020, 1029, 1032, 1035, 1038, 1045,
 /*   260 */  1043, 1046,  956, 1019, 1049, 1051, 1021, 1023, 1024, 1025,
 /*   270 */  1064, 1026, 1030, 1039, 1040, 1034, 1041, 1028, 1066, 1047,
 /*   280 */  1048, 1068, 1071, 1053, 1065, 1057, 1059, 1060, 1062, 1063,
};
static const YYACTIONTYPE yy_default[] = {
 /*     0 */   592,  819,  896,  707,  896,  819,  896,  819,  896,  711,
 /*    10 */   870,  815,  819,  896,  896,  896,  790,  896,  841,  896,
 /*    20 */   623,  841,  841,  742,  896,  896,  896,  896,  896,  896,
 /*    30 */   896,  896,  743,  896,  818,  814,  810,  812,  811,  744,
 /*    40 */   731,  740,  747,  723,  855,  749,  750,  756,  757,  871,
 /*    50 */   874,  778,  796,  777,  896,  896,  896,  896,  896,  896,
 /*    60 */   896,  896,  896,  896,  896,  896,  896,  896,  896,  896,
 /*    70 */   896,  896,  896,  896,  896,  896,  896,  896,  896,  896,
 /*    80 */   896,  896,  896,  896,  896,  896,  896,  896,  896,  896,
 /*    90 */   896,  896,  896,  780,  801,  616,  779,  789,  781,  782,
 /*   100 */   676,  611,  896,  896,  896,  896,  896,  896,  896,  896,
 /*   110 */   783,  784,  797,  798,  896,  896,  896,  896,  896,  896,
 /*   120 */   592,  707,  896,  707,  896,  896,  896,  896,  896,  896,
 /*   130 */   896,  896,  896,  896,  896,  896,  896,  896,  896,  896,
 /*   140 */   896,  896,  701,  711,  889,  896,  896,  667,  896,  896,
 /*   150 */   896,  896,  896,  896,  896,  896,  896,  896,  599,  597,
 /*   160 */   896,  699,  896,  896,  625,  896,  896,  709,  896,  896,
 /*   170 */   714,  715,  896,  896,  896,  896,  896,  896,  896,  613,
 /*   180 */   896,  896,  688,  896,  847,  896,  896,  896,  862,  896,
 /*   190 */   896,  896,  860,  896,  896,  896,  690,  752,  829,  896,
 /*   200 */   896,  875,  877,  896,  896,  734,  699,  708,  896,  896,
 /*   210 */   813,  734,  734,  646,  734,  734,  649,  746,  746,  596,
 /*   220 */   596,  596,  596,  666,  678,  678,  663,  678,  649,  678,
 /*   230 */   896,  746,  737,  739,  727,  741,  896,  716,  735,  896,
 /*   240 */   735,  716,  724,  726,  724,  726,  823,  735,  735,  896,
 /*   250 */   663,  678,  678,  678,  823,  608,  716,  608,  716,  608,
 /*   260 */   716,  716,  851,  854,  608,  716,  680,  680,  758,  746,
 /*   270 */   716,  687,  687,  687,  687,  746,  680,  758,  716,  873,
 /*   280 */   873,  716,  716,  882,  633,  651,  651,  857,  889,  894,
 /*   290 */   896,  896,  896,  896,  896,  896,  765,  896,  896,  896,
 /*   300 */   896,  896,  896,  896,  896,  896,  896,  896,  896,  896,
 /*   310 */   896,  836,  896,  896,  896,  896,  896,  896,  896,  770,
 /*   320 */   766,  896,  767,  896,  896,  896,  896,  693,  896,  896,
 /*   330 */   896,  896,  896,  896,  896,  728,  896,  738,  896,  896,
 /*   340 */   896,  896,  896,  896,  896,  896,  896,  896,  896,  896,
 /*   350 */   896,  896,  896,  896,  896,  896,  896,  849,  850,  896,
 /*   360 */   896,  896,  896,  896,  896,  896,  896,  896,  896,  896,
 /*   370 */   896,  896,  896,  896,  896,  896,  896,  896,  896,  896,
 /*   380 */   896,  881,  896,  896,  884,  593,  896,  587,  590,  589,
 /*   390 */   591,  595,  598,  620,  621,  622,  600,  601,  602,  603,
 /*   400 */   604,  605,  606,  612,  614,  632,  634,  641,  679,  682,
 /*   410 */   683,  684,  865,  866,  867,  642,  661,  664,  665,  643,
 /*   420 */   650,  732,  733,  644,  697,  698,  762,  691,  692,  696,
 /*   430 */   764,  768,  769,  771,  772,  619,  626,  627,  630,  631,
 /*   440 */   837,  839,  838,  840,  629,  628,  773,  776,  785,  786,
 /*   450 */   788,  794,  800,  803,  787,  792,  793,  795,  799,  802,
 /*   460 */   694,  695,  806,  808,  809,  863,  864,  804,  816,  817,
 /*   470 */   717,  807,  791,  729,  618,  736,  730,  700,  710,  719,
 /*   480 */   720,  721,  722,  705,  706,  712,  725,  760,  761,  713,
 /*   490 */   702,  703,  704,  805,  763,  774,  775,  645,  652,  653,
 /*   500 */   654,  657,  658,  659,  660,  655,  656,  824,  825,  827,
 /*   510 */   826,  647,  648,  662,  635,  636,  637,  638,  770,  639,
 /*   520 */   640,  624,  617,  668,  671,  672,  673,  674,  675,  677,
 /*   530 */   669,  670,  615,  607,  609,  718,  843,  852,  853,  848,
 /*   540 */   844,  845,  846,  610,  820,  821,  681,  754,  755,  842,
 /*   550 */   856,  858,  759,  859,  861,  886,  685,  686,  689,  828,
 /*   560 */   868,  745,  748,  751,  753,  830,  831,  832,  833,  834,
 /*   570 */   835,  869,  872,  876,  878,  879,  880,  883,  885,  890,
 /*   580 */   891,  892,  895,  893,  594,  588,
};
#define YY_SZ_ACTTAB (int)(sizeof(yy_action)/sizeof(yy_action[0]))

/* The next table maps tokens into fallback tokens.  If a construct
** like the following:
** 
**      %fallback ID X Y Z.
................................................................................
 /*  95 */ "orconf ::= OR resolvetype",
 /*  96 */ "resolvetype ::= raisetype",
 /*  97 */ "resolvetype ::= IGNORE",
 /*  98 */ "resolvetype ::= REPLACE",
 /*  99 */ "cmd ::= DROP TABLE ifexists fullname",
 /* 100 */ "ifexists ::= IF EXISTS",
 /* 101 */ "ifexists ::=",
 /* 102 */ "cmd ::= CREATE temp VIEW ifnotexists nm dbnm AS select",
 /* 103 */ "cmd ::= DROP VIEW ifexists fullname",
 /* 104 */ "cmd ::= select",
 /* 105 */ "select ::= oneselect",
 /* 106 */ "select ::= select multiselect_op oneselect",
 /* 107 */ "multiselect_op ::= UNION",
 /* 108 */ "multiselect_op ::= UNION ALL",
 /* 109 */ "multiselect_op ::= EXCEPT|INTERSECT",
................................................................................
 /* 160 */ "where_opt ::=",
 /* 161 */ "where_opt ::= WHERE expr",
 /* 162 */ "cmd ::= UPDATE orconf fullname SET setlist where_opt",
 /* 163 */ "setlist ::= setlist COMMA nm EQ expr",
 /* 164 */ "setlist ::= nm EQ expr",
 /* 165 */ "cmd ::= insert_cmd INTO fullname inscollist_opt VALUES LP itemlist RP",
 /* 166 */ "cmd ::= insert_cmd INTO fullname inscollist_opt select",
 /* 167 */ "cmd ::= insert_cmd INTO fullname inscollist_opt DEFAULT VALUES",
 /* 168 */ "insert_cmd ::= INSERT orconf",
 /* 169 */ "insert_cmd ::= REPLACE",
 /* 170 */ "itemlist ::= itemlist COMMA expr",
 /* 171 */ "itemlist ::= expr",
 /* 172 */ "inscollist_opt ::=",
 /* 173 */ "inscollist_opt ::= LP inscollist RP",
 /* 174 */ "inscollist ::= inscollist COMMA nm",
 /* 175 */ "inscollist ::= nm",
 /* 176 */ "expr ::= term",
 /* 177 */ "expr ::= LP expr RP",
 /* 178 */ "term ::= NULL",
 /* 179 */ "expr ::= ID",
 /* 180 */ "expr ::= JOIN_KW",
 /* 181 */ "expr ::= nm DOT nm",
 /* 182 */ "expr ::= nm DOT nm DOT nm",
 /* 183 */ "term ::= INTEGER|FLOAT|BLOB",
 /* 184 */ "term ::= STRING",
 /* 185 */ "expr ::= REGISTER",
 /* 186 */ "expr ::= VARIABLE",
 /* 187 */ "expr ::= CAST LP expr AS typetoken RP",
 /* 188 */ "expr ::= ID LP distinct exprlist RP",
 /* 189 */ "expr ::= ID LP STAR RP",
 /* 190 */ "term ::= CTIME_KW",
 /* 191 */ "expr ::= expr AND expr",
 /* 192 */ "expr ::= expr OR expr",
 /* 193 */ "expr ::= expr LT|GT|GE|LE expr",
 /* 194 */ "expr ::= expr EQ|NE expr",
 /* 195 */ "expr ::= expr BITAND|BITOR|LSHIFT|RSHIFT expr",
 /* 196 */ "expr ::= expr PLUS|MINUS expr",
 /* 197 */ "expr ::= expr STAR|SLASH|REM expr",
 /* 198 */ "expr ::= expr CONCAT expr",
 /* 199 */ "likeop ::= LIKE_KW",
 /* 200 */ "likeop ::= NOT LIKE_KW",
 /* 201 */ "likeop ::= MATCH",
 /* 202 */ "likeop ::= NOT MATCH",
 /* 203 */ "escape ::= ESCAPE expr",
 /* 204 */ "escape ::=",
 /* 205 */ "expr ::= expr likeop expr escape",
 /* 206 */ "expr ::= expr ISNULL|NOTNULL",
 /* 207 */ "expr ::= expr IS NULL",
 /* 208 */ "expr ::= expr NOT NULL",
 /* 209 */ "expr ::= expr IS NOT NULL",
 /* 210 */ "expr ::= NOT|BITNOT expr",
 /* 211 */ "expr ::= MINUS expr",
 /* 212 */ "expr ::= PLUS expr",
 /* 213 */ "between_op ::= BETWEEN",
 /* 214 */ "between_op ::= NOT BETWEEN",
 /* 215 */ "expr ::= expr between_op expr AND expr",
 /* 216 */ "in_op ::= IN",
 /* 217 */ "in_op ::= NOT IN",
 /* 218 */ "expr ::= expr in_op LP exprlist RP",
 /* 219 */ "expr ::= LP select RP",
 /* 220 */ "expr ::= expr in_op LP select RP",
 /* 221 */ "expr ::= expr in_op nm dbnm",
 /* 222 */ "expr ::= EXISTS LP select RP",
 /* 223 */ "expr ::= CASE case_operand case_exprlist case_else END",
 /* 224 */ "case_exprlist ::= case_exprlist WHEN expr THEN expr",
 /* 225 */ "case_exprlist ::= WHEN expr THEN expr",
 /* 226 */ "case_else ::= ELSE expr",
 /* 227 */ "case_else ::=",
 /* 228 */ "case_operand ::= expr",
 /* 229 */ "case_operand ::=",
 /* 230 */ "exprlist ::= exprlist COMMA expritem",
 /* 231 */ "exprlist ::= expritem",
 /* 232 */ "expritem ::= expr",
 /* 233 */ "expritem ::=",
 /* 234 */ "cmd ::= CREATE uniqueflag INDEX ifnotexists nm dbnm ON nm LP idxlist RP",
 /* 235 */ "uniqueflag ::= UNIQUE",
 /* 236 */ "uniqueflag ::=",
 /* 237 */ "idxlist_opt ::=",
 /* 238 */ "idxlist_opt ::= LP idxlist RP",
 /* 239 */ "idxlist ::= idxlist COMMA idxitem collate sortorder",
 /* 240 */ "idxlist ::= idxitem collate sortorder",
 /* 241 */ "idxitem ::= nm",
 /* 242 */ "cmd ::= DROP INDEX ifexists fullname",
 /* 243 */ "cmd ::= VACUUM",
 /* 244 */ "cmd ::= VACUUM nm",
 /* 245 */ "cmd ::= PRAGMA nm dbnm EQ nm",
 /* 246 */ "cmd ::= PRAGMA nm dbnm EQ ON",
 /* 247 */ "cmd ::= PRAGMA nm dbnm EQ plus_num",
 /* 248 */ "cmd ::= PRAGMA nm dbnm EQ minus_num",
 /* 249 */ "cmd ::= PRAGMA nm dbnm LP nm RP",
 /* 250 */ "cmd ::= PRAGMA nm dbnm",
 /* 251 */ "plus_num ::= plus_opt number",
 /* 252 */ "minus_num ::= MINUS number",
 /* 253 */ "number ::= INTEGER|FLOAT",
 /* 254 */ "plus_opt ::= PLUS",
 /* 255 */ "plus_opt ::=",
 /* 256 */ "cmd ::= CREATE trigger_decl BEGIN trigger_cmd_list END",
 /* 257 */ "trigger_decl ::= temp TRIGGER ifnotexists nm dbnm trigger_time trigger_event ON fullname foreach_clause when_clause",
 /* 258 */ "trigger_time ::= BEFORE",
 /* 259 */ "trigger_time ::= AFTER",
 /* 260 */ "trigger_time ::= INSTEAD OF",
 /* 261 */ "trigger_time ::=",
 /* 262 */ "trigger_event ::= DELETE|INSERT",
 /* 263 */ "trigger_event ::= UPDATE",
 /* 264 */ "trigger_event ::= UPDATE OF inscollist",
 /* 265 */ "foreach_clause ::=",
 /* 266 */ "foreach_clause ::= FOR EACH ROW",
 /* 267 */ "foreach_clause ::= FOR EACH STATEMENT",
 /* 268 */ "when_clause ::=",
 /* 269 */ "when_clause ::= WHEN expr",
 /* 270 */ "trigger_cmd_list ::= trigger_cmd_list trigger_cmd SEMI",
 /* 271 */ "trigger_cmd_list ::=",
 /* 272 */ "trigger_cmd ::= UPDATE orconf nm SET setlist where_opt",
 /* 273 */ "trigger_cmd ::= insert_cmd INTO nm inscollist_opt VALUES LP itemlist RP",
 /* 274 */ "trigger_cmd ::= insert_cmd INTO nm inscollist_opt select",
 /* 275 */ "trigger_cmd ::= DELETE FROM nm where_opt",
 /* 276 */ "trigger_cmd ::= select",
 /* 277 */ "expr ::= RAISE LP IGNORE RP",
 /* 278 */ "expr ::= RAISE LP raisetype COMMA nm RP",
 /* 279 */ "raisetype ::= ROLLBACK",
 /* 280 */ "raisetype ::= ABORT",
 /* 281 */ "raisetype ::= FAIL",
 /* 282 */ "cmd ::= DROP TRIGGER ifexists fullname",
 /* 283 */ "cmd ::= ATTACH database_kw_opt expr AS expr key_opt",
 /* 284 */ "key_opt ::=",
 /* 285 */ "key_opt ::= KEY expr",
 /* 286 */ "database_kw_opt ::= DATABASE",
 /* 287 */ "database_kw_opt ::=",
 /* 288 */ "cmd ::= DETACH database_kw_opt expr",
 /* 289 */ "cmd ::= REINDEX",
 /* 290 */ "cmd ::= REINDEX nm dbnm",
 /* 291 */ "cmd ::= ANALYZE",
 /* 292 */ "cmd ::= ANALYZE nm dbnm",
 /* 293 */ "cmd ::= ALTER TABLE fullname RENAME TO nm",
 /* 294 */ "cmd ::= ALTER TABLE add_column_fullname ADD kwcolumn_opt column",
 /* 295 */ "add_column_fullname ::= fullname",
 /* 296 */ "kwcolumn_opt ::=",
 /* 297 */ "kwcolumn_opt ::= COLUMNKW",
 /* 298 */ "cmd ::= create_vtab",
 /* 299 */ "cmd ::= create_vtab LP vtabarglist RP",
 /* 300 */ "create_vtab ::= CREATE VIRTUAL TABLE nm dbnm USING nm",
 /* 301 */ "vtabarglist ::= vtabarg",
 /* 302 */ "vtabarglist ::= vtabarglist COMMA vtabarg",
 /* 303 */ "vtabarg ::=",
 /* 304 */ "vtabarg ::= vtabarg vtabargtoken",
 /* 305 */ "vtabargtoken ::= ANY",
 /* 306 */ "vtabargtoken ::= lp anylist RP",
 /* 307 */ "lp ::= LP",
 /* 308 */ "anylist ::=",
 /* 309 */ "anylist ::= anylist ANY",
};
#endif /* NDEBUG */

/*
** This function returns the symbolic name associated with a token
** value.
*/
................................................................................
    ** inside the C code.
    */
    case 156:
    case 190:
    case 207:
#line 374 "parse.y"
{sqlite3SelectDelete((yypminor->yy219));}
#line 1249 "parse.c"
      break;
    case 170:
    case 171:
    case 195:
    case 197:
    case 205:
    case 211:
    case 219:
    case 222:
    case 224:
    case 225:
    case 235:
#line 633 "parse.y"
{sqlite3ExprDelete((yypminor->yy172));}
#line 1264 "parse.c"
      break;
    case 175:
    case 183:
    case 193:
    case 196:
    case 198:
    case 200:
    case 210:
    case 213:
    case 214:
    case 217:
    case 223:
#line 870 "parse.y"
{sqlite3ExprListDelete((yypminor->yy174));}
#line 1279 "parse.c"
      break;
    case 189:
    case 194:
    case 202:
    case 203:
#line 502 "parse.y"
{sqlite3SrcListDelete((yypminor->yy373));}
#line 1287 "parse.c"
      break;
    case 199:
#line 563 "parse.y"
{
  sqlite3ExprDelete((yypminor->yy234).pLimit);
  sqlite3ExprDelete((yypminor->yy234).pOffset);
}
#line 1295 "parse.c"
      break;
    case 206:
    case 209:
    case 216:
#line 519 "parse.y"
{sqlite3IdListDelete((yypminor->yy432));}
#line 1302 "parse.c"
      break;
    case 231:
    case 236:
#line 966 "parse.y"
{sqlite3DeleteTriggerStep((yypminor->yy243));}
#line 1308 "parse.c"
      break;
    case 233:
#line 950 "parse.y"
{sqlite3IdListDelete((yypminor->yy370).b);}
#line 1313 "parse.c"
      break;
    case 238:
#line 1034 "parse.y"
{sqlite3ExprDelete((yypminor->yy386));}
#line 1318 "parse.c"
      break;
    default:  break;   /* If no destructor action specified: do nothing */
  }
}

/*
** Pop the parser's stack once.
................................................................................
     while( yypParser->yyidx>=0 ) yy_pop_parser_stack(yypParser);
     /* Here code is inserted which will execute if the parser
     ** stack every overflows */
#line 44 "parse.y"

  sqlite3ErrorMsg(pParse, "parser stack overflow");
  pParse->parseError = 1;
#line 1487 "parse.c"
     sqlite3ParserARG_STORE; /* Suppress warning about unused %extra_argument var */
     return;
  }
  yytos = &yypParser->yystack[yypParser->yyidx];
  yytos->stateno = yyNewState;
  yytos->major = yyMajor;
  yytos->minor = *yypMinor;
................................................................................
  { 185, 2 },
  { 186, 1 },
  { 186, 1 },
  { 186, 1 },
  { 144, 4 },
  { 188, 2 },
  { 188, 0 },
  { 144, 8 },
  { 144, 4 },
  { 144, 1 },
  { 156, 1 },
  { 156, 3 },
  { 191, 1 },
  { 191, 2 },
  { 191, 1 },
................................................................................
  { 195, 0 },
  { 195, 2 },
  { 144, 6 },
  { 214, 5 },
  { 214, 3 },
  { 144, 8 },
  { 144, 5 },
  { 144, 6 },
  { 215, 2 },
  { 215, 1 },
  { 217, 3 },
  { 217, 1 },
  { 216, 0 },
  { 216, 3 },
  { 209, 3 },
................................................................................
  { 144, 3 },
  { 166, 2 },
  { 167, 2 },
  { 229, 1 },
  { 228, 1 },
  { 228, 0 },
  { 144, 5 },
  { 230, 11 },
  { 232, 1 },
  { 232, 1 },
  { 232, 2 },
  { 232, 0 },
  { 233, 1 },
  { 233, 1 },
  { 233, 3 },
................................................................................
  { 236, 4 },
  { 236, 1 },
  { 171, 4 },
  { 171, 6 },
  { 187, 1 },
  { 187, 1 },
  { 187, 1 },
  { 144, 4 },
  { 144, 6 },
  { 238, 0 },
  { 238, 2 },
  { 237, 1 },
  { 237, 0 },
  { 144, 3 },
  { 144, 1 },
................................................................................
  **     { ... }           // User supplied code
  **  #line <lineno> <thisfile>
  **     break;
  */
      case 3:
#line 100 "parse.y"
{ sqlite3FinishCoding(pParse); }
#line 1875 "parse.c"
        break;
      case 6:
#line 103 "parse.y"
{ sqlite3BeginParse(pParse, 0); }
#line 1880 "parse.c"
        break;
      case 7:
#line 105 "parse.y"
{ sqlite3BeginParse(pParse, 1); }
#line 1885 "parse.c"
        break;
      case 8:
#line 106 "parse.y"
{ sqlite3BeginParse(pParse, 2); }
#line 1890 "parse.c"
        break;
      case 9:
#line 112 "parse.y"
{sqlite3BeginTransaction(pParse, yymsp[-1].minor.yy46);}
#line 1895 "parse.c"
        break;
      case 13:
#line 117 "parse.y"
{yygotominor.yy46 = TK_DEFERRED;}
#line 1900 "parse.c"
        break;
      case 14:
      case 15:
      case 16:
      case 107:
      case 109:
#line 118 "parse.y"
{yygotominor.yy46 = yymsp[0].major;}
#line 1909 "parse.c"
        break;
      case 17:
      case 18:
#line 121 "parse.y"
{sqlite3CommitTransaction(pParse);}
#line 1915 "parse.c"
        break;
      case 19:
#line 123 "parse.y"
{sqlite3RollbackTransaction(pParse);}
#line 1920 "parse.c"
        break;
      case 21:
#line 128 "parse.y"
{
   sqlite3StartTable(pParse,&yymsp[-1].minor.yy410,&yymsp[0].minor.yy410,yymsp[-4].minor.yy46,0,0,yymsp[-2].minor.yy46);
}
#line 1927 "parse.c"
        break;
      case 22:
      case 25:
      case 63:
      case 77:
      case 79:
      case 90:
      case 101:
      case 112:
      case 113:
      case 213:
      case 216:
#line 132 "parse.y"
{yygotominor.yy46 = 0;}
#line 1942 "parse.c"
        break;
      case 23:
      case 24:
      case 64:
      case 78:
      case 100:
      case 111:
      case 214:
      case 217:
#line 133 "parse.y"
{yygotominor.yy46 = 1;}
#line 1954 "parse.c"
        break;
      case 26:
#line 139 "parse.y"
{
  sqlite3EndTable(pParse,&yymsp[-1].minor.yy410,&yymsp[0].minor.yy0,0);
}
#line 1961 "parse.c"
        break;
      case 27:
#line 142 "parse.y"
{
  sqlite3EndTable(pParse,0,0,yymsp[0].minor.yy219);
  sqlite3SelectDelete(yymsp[0].minor.yy219);
}
#line 1969 "parse.c"
        break;
      case 30:
#line 154 "parse.y"
{
  yygotominor.yy410.z = yymsp[-2].minor.yy410.z;
  yygotominor.yy410.n = (pParse->sLastToken.z-yymsp[-2].minor.yy410.z) + pParse->sLastToken.n;
}
#line 1977 "parse.c"
        break;
      case 31:
#line 158 "parse.y"
{
  sqlite3AddColumn(pParse,&yymsp[0].minor.yy410);
  yygotominor.yy410 = yymsp[0].minor.yy410;
}
#line 1985 "parse.c"
        break;
      case 32:
      case 33:
      case 34:
      case 35:
      case 36:
      case 253:
#line 168 "parse.y"
{yygotominor.yy410 = yymsp[0].minor.yy0;}
#line 1995 "parse.c"
        break;
      case 38:
#line 228 "parse.y"
{sqlite3AddColumnType(pParse,&yymsp[0].minor.yy410);}
#line 2000 "parse.c"
        break;
      case 39:
      case 42:
      case 119:
      case 120:
      case 131:
      case 150:
      case 241:
      case 251:
      case 252:
#line 229 "parse.y"
{yygotominor.yy410 = yymsp[0].minor.yy410;}
#line 2013 "parse.c"
        break;
      case 40:
#line 230 "parse.y"
{
  yygotominor.yy410.z = yymsp[-3].minor.yy410.z;
  yygotominor.yy410.n = &yymsp[0].minor.yy0.z[yymsp[0].minor.yy0.n] - yymsp[-3].minor.yy410.z;
}
#line 2021 "parse.c"
        break;
      case 41:
#line 234 "parse.y"
{
  yygotominor.yy410.z = yymsp[-5].minor.yy410.z;
  yygotominor.yy410.n = &yymsp[0].minor.yy0.z[yymsp[0].minor.yy0.n] - yymsp[-5].minor.yy410.z;
}
#line 2029 "parse.c"
        break;
      case 43:
#line 240 "parse.y"
{yygotominor.yy410.z=yymsp[-1].minor.yy410.z; yygotominor.yy410.n=yymsp[0].minor.yy410.n+(yymsp[0].minor.yy410.z-yymsp[-1].minor.yy410.z);}
#line 2034 "parse.c"
        break;
      case 44:
#line 242 "parse.y"
{ yygotominor.yy46 = atoi((char*)yymsp[0].minor.yy410.z); }
#line 2039 "parse.c"
        break;
      case 45:
#line 243 "parse.y"
{ yygotominor.yy46 = -atoi((char*)yymsp[0].minor.yy410.z); }
#line 2044 "parse.c"
        break;
      case 50:
      case 52:
#line 252 "parse.y"
{sqlite3AddDefaultValue(pParse,yymsp[0].minor.yy172);}
#line 2050 "parse.c"
        break;
      case 51:
#line 253 "parse.y"
{sqlite3AddDefaultValue(pParse,yymsp[-1].minor.yy172);}
#line 2055 "parse.c"
        break;
      case 53:
#line 255 "parse.y"
{
  Expr *p = sqlite3Expr(TK_UMINUS, yymsp[0].minor.yy172, 0, 0);
  sqlite3AddDefaultValue(pParse,p);
}
#line 2063 "parse.c"
        break;
      case 54:
#line 259 "parse.y"
{
  Expr *p = sqlite3Expr(TK_STRING, 0, 0, &yymsp[0].minor.yy410);
  sqlite3AddDefaultValue(pParse,p);
}
#line 2071 "parse.c"
        break;
      case 56:
#line 268 "parse.y"
{sqlite3AddNotNull(pParse, yymsp[0].minor.yy46);}
#line 2076 "parse.c"
        break;
      case 57:
#line 270 "parse.y"
{sqlite3AddPrimaryKey(pParse,0,yymsp[-1].minor.yy46,yymsp[0].minor.yy46,yymsp[-2].minor.yy46);}
#line 2081 "parse.c"
        break;
      case 58:
#line 271 "parse.y"
{sqlite3CreateIndex(pParse,0,0,0,0,yymsp[0].minor.yy46,0,0,0,0);}
#line 2086 "parse.c"
        break;
      case 59:
#line 272 "parse.y"
{sqlite3AddCheckConstraint(pParse,yymsp[-1].minor.yy172);}
#line 2091 "parse.c"
        break;
      case 60:
#line 274 "parse.y"
{sqlite3CreateForeignKey(pParse,0,&yymsp[-2].minor.yy410,yymsp[-1].minor.yy174,yymsp[0].minor.yy46);}
#line 2096 "parse.c"
        break;
      case 61:
#line 275 "parse.y"
{sqlite3DeferForeignKey(pParse,yymsp[0].minor.yy46);}
#line 2101 "parse.c"
        break;
      case 62:
#line 276 "parse.y"
{sqlite3AddCollateType(pParse, (char*)yymsp[0].minor.yy410.z, yymsp[0].minor.yy410.n);}
#line 2106 "parse.c"
        break;
      case 65:
#line 289 "parse.y"
{ yygotominor.yy46 = OE_Restrict * 0x010101; }
#line 2111 "parse.c"
        break;
      case 66:
#line 290 "parse.y"
{ yygotominor.yy46 = (yymsp[-1].minor.yy46 & yymsp[0].minor.yy405.mask) | yymsp[0].minor.yy405.value; }
#line 2116 "parse.c"
        break;
      case 67:
#line 292 "parse.y"
{ yygotominor.yy405.value = 0;     yygotominor.yy405.mask = 0x000000; }
#line 2121 "parse.c"
        break;
      case 68:
#line 293 "parse.y"
{ yygotominor.yy405.value = yymsp[0].minor.yy46;     yygotominor.yy405.mask = 0x0000ff; }
#line 2126 "parse.c"
        break;
      case 69:
#line 294 "parse.y"
{ yygotominor.yy405.value = yymsp[0].minor.yy46<<8;  yygotominor.yy405.mask = 0x00ff00; }
#line 2131 "parse.c"
        break;
      case 70:
#line 295 "parse.y"
{ yygotominor.yy405.value = yymsp[0].minor.yy46<<16; yygotominor.yy405.mask = 0xff0000; }
#line 2136 "parse.c"
        break;
      case 71:
#line 297 "parse.y"
{ yygotominor.yy46 = OE_SetNull; }
#line 2141 "parse.c"
        break;
      case 72:
#line 298 "parse.y"
{ yygotominor.yy46 = OE_SetDflt; }
#line 2146 "parse.c"
        break;
      case 73:
#line 299 "parse.y"
{ yygotominor.yy46 = OE_Cascade; }
#line 2151 "parse.c"
        break;
      case 74:
#line 300 "parse.y"
{ yygotominor.yy46 = OE_Restrict; }
#line 2156 "parse.c"
        break;
      case 75:
      case 76:
      case 91:
      case 93:
      case 95:
      case 96:
      case 168:
#line 302 "parse.y"
{yygotominor.yy46 = yymsp[0].minor.yy46;}
#line 2167 "parse.c"
        break;
      case 80:
#line 312 "parse.y"
{yygotominor.yy410.n = 0; yygotominor.yy410.z = 0;}
#line 2172 "parse.c"
        break;
      case 81:
#line 313 "parse.y"
{yygotominor.yy410 = yymsp[-1].minor.yy0;}
#line 2177 "parse.c"
        break;
      case 86:
#line 319 "parse.y"
{sqlite3AddPrimaryKey(pParse,yymsp[-3].minor.yy174,yymsp[0].minor.yy46,yymsp[-2].minor.yy46,0);}
#line 2182 "parse.c"
        break;
      case 87:
#line 321 "parse.y"
{sqlite3CreateIndex(pParse,0,0,0,yymsp[-2].minor.yy174,yymsp[0].minor.yy46,0,0,0,0);}
#line 2187 "parse.c"
        break;
      case 88:
#line 322 "parse.y"
{sqlite3AddCheckConstraint(pParse,yymsp[-2].minor.yy172);}
#line 2192 "parse.c"
        break;
      case 89:
#line 324 "parse.y"
{
    sqlite3CreateForeignKey(pParse, yymsp[-6].minor.yy174, &yymsp[-3].minor.yy410, yymsp[-2].minor.yy174, yymsp[-1].minor.yy46);
    sqlite3DeferForeignKey(pParse, yymsp[0].minor.yy46);
}
#line 2200 "parse.c"
        break;
      case 92:
      case 94:
#line 338 "parse.y"
{yygotominor.yy46 = OE_Default;}
#line 2206 "parse.c"
        break;
      case 97:
#line 343 "parse.y"
{yygotominor.yy46 = OE_Ignore;}
#line 2211 "parse.c"
        break;
      case 98:
      case 169:
#line 344 "parse.y"
{yygotominor.yy46 = OE_Replace;}
#line 2217 "parse.c"
        break;
      case 99:
#line 348 "parse.y"
{
  sqlite3DropTable(pParse, yymsp[0].minor.yy373, 0, yymsp[-1].minor.yy46);
}
#line 2224 "parse.c"
        break;
      case 102:
#line 358 "parse.y"
{
  sqlite3CreateView(pParse, &yymsp[-7].minor.yy0, &yymsp[-3].minor.yy410, &yymsp[-2].minor.yy410, yymsp[0].minor.yy219, yymsp[-6].minor.yy46, yymsp[-4].minor.yy46);
}
#line 2231 "parse.c"
        break;
      case 103:
#line 361 "parse.y"
{
  sqlite3DropTable(pParse, yymsp[0].minor.yy373, 1, yymsp[-1].minor.yy46);
}
#line 2238 "parse.c"
        break;
      case 104:
#line 368 "parse.y"
{
  sqlite3Select(pParse, yymsp[0].minor.yy219, SRT_Callback, 0, 0, 0, 0, 0);
  sqlite3SelectDelete(yymsp[0].minor.yy219);
}
#line 2246 "parse.c"
        break;
      case 105:
      case 128:
#line 378 "parse.y"
{yygotominor.yy219 = yymsp[0].minor.yy219;}
#line 2252 "parse.c"
        break;
      case 106:
#line 380 "parse.y"
{
  if( yymsp[0].minor.yy219 ){
    yymsp[0].minor.yy219->op = yymsp[-1].minor.yy46;
    yymsp[0].minor.yy219->pPrior = yymsp[-2].minor.yy219;
  }
  yygotominor.yy219 = yymsp[0].minor.yy219;
}
#line 2263 "parse.c"
        break;
      case 108:
#line 389 "parse.y"
{yygotominor.yy46 = TK_ALL;}
#line 2268 "parse.c"
        break;
      case 110:
#line 393 "parse.y"
{
  yygotominor.yy219 = sqlite3SelectNew(yymsp[-6].minor.yy174,yymsp[-5].minor.yy373,yymsp[-4].minor.yy172,yymsp[-3].minor.yy174,yymsp[-2].minor.yy172,yymsp[-1].minor.yy174,yymsp[-7].minor.yy46,yymsp[0].minor.yy234.pLimit,yymsp[0].minor.yy234.pOffset);
}
#line 2275 "parse.c"
        break;
      case 114:
      case 238:
#line 414 "parse.y"
{yygotominor.yy174 = yymsp[-1].minor.yy174;}
#line 2281 "parse.c"
        break;
      case 115:
      case 141:
      case 151:
      case 237:
#line 415 "parse.y"
{yygotominor.yy174 = 0;}
#line 2289 "parse.c"
        break;
      case 116:
#line 416 "parse.y"
{
   yygotominor.yy174 = sqlite3ExprListAppend(yymsp[-2].minor.yy174,yymsp[-1].minor.yy172,yymsp[0].minor.yy410.n?&yymsp[0].minor.yy410:0);
}
#line 2296 "parse.c"
        break;
      case 117:
#line 419 "parse.y"
{
  yygotominor.yy174 = sqlite3ExprListAppend(yymsp[-1].minor.yy174, sqlite3Expr(TK_ALL, 0, 0, 0), 0);
}
#line 2303 "parse.c"
        break;
      case 118:
#line 422 "parse.y"
{
  Expr *pRight = sqlite3Expr(TK_ALL, 0, 0, 0);
  Expr *pLeft = sqlite3Expr(TK_ID, 0, 0, &yymsp[-2].minor.yy410);
  yygotominor.yy174 = sqlite3ExprListAppend(yymsp[-3].minor.yy174, sqlite3Expr(TK_DOT, pLeft, pRight, 0), 0);
}
#line 2312 "parse.c"
        break;
      case 121:
#line 434 "parse.y"
{yygotominor.yy410.n = 0;}
#line 2317 "parse.c"
        break;
      case 122:
#line 446 "parse.y"
{yygotominor.yy373 = sqliteMalloc(sizeof(*yygotominor.yy373));}
#line 2322 "parse.c"
        break;
      case 123:
#line 447 "parse.y"
{yygotominor.yy373 = yymsp[0].minor.yy373;}
#line 2327 "parse.c"
        break;
      case 124:
#line 452 "parse.y"
{
   yygotominor.yy373 = yymsp[-1].minor.yy373;
   if( yygotominor.yy373 && yygotominor.yy373->nSrc>0 ) yygotominor.yy373->a[yygotominor.yy373->nSrc-1].jointype = yymsp[0].minor.yy46;
}
#line 2335 "parse.c"
        break;
      case 125:
#line 456 "parse.y"
{yygotominor.yy373 = 0;}
#line 2340 "parse.c"
        break;
      case 126:
#line 457 "parse.y"
{
  yygotominor.yy373 = sqlite3SrcListAppend(yymsp[-5].minor.yy373,&yymsp[-4].minor.yy410,&yymsp[-3].minor.yy410);
  if( yymsp[-2].minor.yy410.n ) sqlite3SrcListAddAlias(yygotominor.yy373,&yymsp[-2].minor.yy410);
  if( yymsp[-1].minor.yy172 ){
................................................................................
    else { sqlite3ExprDelete(yymsp[-1].minor.yy172); }
  }
  if( yymsp[0].minor.yy432 ){
    if( yygotominor.yy373 && yygotominor.yy373->nSrc>1 ){ yygotominor.yy373->a[yygotominor.yy373->nSrc-2].pUsing = yymsp[0].minor.yy432; }
    else { sqlite3IdListDelete(yymsp[0].minor.yy432); }
  }
}
#line 2356 "parse.c"
        break;
      case 127:
#line 471 "parse.y"
{
    yygotominor.yy373 = sqlite3SrcListAppend(yymsp[-6].minor.yy373,0,0);
    if( yygotominor.yy373 && yygotominor.yy373->nSrc>0 ) yygotominor.yy373->a[yygotominor.yy373->nSrc-1].pSelect = yymsp[-4].minor.yy219;
    if( yymsp[-2].minor.yy410.n ) sqlite3SrcListAddAlias(yygotominor.yy373,&yymsp[-2].minor.yy410);
................................................................................
      else { sqlite3ExprDelete(yymsp[-1].minor.yy172); }
    }
    if( yymsp[0].minor.yy432 ){
      if( yygotominor.yy373 && yygotominor.yy373->nSrc>1 ){ yygotominor.yy373->a[yygotominor.yy373->nSrc-2].pUsing = yymsp[0].minor.yy432; }
      else { sqlite3IdListDelete(yymsp[0].minor.yy432); }
    }
  }
#line 2373 "parse.c"
        break;
      case 129:
#line 492 "parse.y"
{
     yygotominor.yy219 = sqlite3SelectNew(0,yymsp[0].minor.yy373,0,0,0,0,0,0,0);
  }
#line 2380 "parse.c"
        break;
      case 130:
#line 498 "parse.y"
{yygotominor.yy410.z=0; yygotominor.yy410.n=0;}
#line 2385 "parse.c"
        break;
      case 132:
#line 503 "parse.y"
{yygotominor.yy373 = sqlite3SrcListAppend(0,&yymsp[-1].minor.yy410,&yymsp[0].minor.yy410);}
#line 2390 "parse.c"
        break;
      case 133:
#line 507 "parse.y"
{ yygotominor.yy46 = JT_INNER; }
#line 2395 "parse.c"
        break;
      case 134:
#line 508 "parse.y"
{ yygotominor.yy46 = sqlite3JoinType(pParse,&yymsp[-1].minor.yy0,0,0); }
#line 2400 "parse.c"
        break;
      case 135:
#line 509 "parse.y"
{ yygotominor.yy46 = sqlite3JoinType(pParse,&yymsp[-2].minor.yy0,&yymsp[-1].minor.yy410,0); }
#line 2405 "parse.c"
        break;
      case 136:
#line 511 "parse.y"
{ yygotominor.yy46 = sqlite3JoinType(pParse,&yymsp[-3].minor.yy0,&yymsp[-2].minor.yy410,&yymsp[-1].minor.yy410); }
#line 2410 "parse.c"
        break;
      case 137:
      case 145:
      case 154:
      case 161:
      case 176:
      case 203:
      case 226:
      case 228:
      case 232:
#line 515 "parse.y"
{yygotominor.yy172 = yymsp[0].minor.yy172;}
#line 2423 "parse.c"
        break;
      case 138:
      case 153:
      case 160:
      case 204:
      case 227:
      case 229:
      case 233:
#line 516 "parse.y"
{yygotominor.yy172 = 0;}
#line 2434 "parse.c"
        break;
      case 139:
      case 173:
#line 520 "parse.y"
{yygotominor.yy432 = yymsp[-1].minor.yy432;}
#line 2440 "parse.c"
        break;
      case 140:
      case 172:
#line 521 "parse.y"
{yygotominor.yy432 = 0;}
#line 2446 "parse.c"
        break;
      case 142:
      case 152:
#line 532 "parse.y"
{yygotominor.yy174 = yymsp[0].minor.yy174;}
#line 2452 "parse.c"
        break;
      case 143:
#line 533 "parse.y"
{
  yygotominor.yy174 = sqlite3ExprListAppend(yymsp[-4].minor.yy174,yymsp[-2].minor.yy172,yymsp[-1].minor.yy410.n>0?&yymsp[-1].minor.yy410:0);
  if( yygotominor.yy174 ) yygotominor.yy174->a[yygotominor.yy174->nExpr-1].sortOrder = yymsp[0].minor.yy46;
}
#line 2460 "parse.c"
        break;
      case 144:
#line 537 "parse.y"
{
  yygotominor.yy174 = sqlite3ExprListAppend(0,yymsp[-2].minor.yy172,yymsp[-1].minor.yy410.n>0?&yymsp[-1].minor.yy410:0);
  if( yygotominor.yy174 && yygotominor.yy174->a ) yygotominor.yy174->a[0].sortOrder = yymsp[0].minor.yy46;
}
#line 2468 "parse.c"
        break;
      case 146:
      case 148:
#line 546 "parse.y"
{yygotominor.yy46 = SQLITE_SO_ASC;}
#line 2474 "parse.c"
        break;
      case 147:
#line 547 "parse.y"
{yygotominor.yy46 = SQLITE_SO_DESC;}
#line 2479 "parse.c"
        break;
      case 149:
#line 549 "parse.y"
{yygotominor.yy410.z = 0; yygotominor.yy410.n = 0;}
#line 2484 "parse.c"
        break;
      case 155:
#line 567 "parse.y"
{yygotominor.yy234.pLimit = 0; yygotominor.yy234.pOffset = 0;}
#line 2489 "parse.c"
        break;
      case 156:
#line 568 "parse.y"
{yygotominor.yy234.pLimit = yymsp[0].minor.yy172; yygotominor.yy234.pOffset = 0;}
#line 2494 "parse.c"
        break;
      case 157:
#line 570 "parse.y"
{yygotominor.yy234.pLimit = yymsp[-2].minor.yy172; yygotominor.yy234.pOffset = yymsp[0].minor.yy172;}
#line 2499 "parse.c"
        break;
      case 158:
#line 572 "parse.y"
{yygotominor.yy234.pOffset = yymsp[-2].minor.yy172; yygotominor.yy234.pLimit = yymsp[0].minor.yy172;}
#line 2504 "parse.c"
        break;
      case 159:
#line 576 "parse.y"
{sqlite3DeleteFrom(pParse,yymsp[-1].minor.yy373,yymsp[0].minor.yy172);}
#line 2509 "parse.c"
        break;
      case 162:
#line 587 "parse.y"
{sqlite3Update(pParse,yymsp[-3].minor.yy373,yymsp[-1].minor.yy174,yymsp[0].minor.yy172,yymsp[-4].minor.yy46);}
#line 2514 "parse.c"
        break;
      case 163:
#line 593 "parse.y"
{yygotominor.yy174 = sqlite3ExprListAppend(yymsp[-4].minor.yy174,yymsp[0].minor.yy172,&yymsp[-2].minor.yy410);}
#line 2519 "parse.c"
        break;
      case 164:
#line 594 "parse.y"
{yygotominor.yy174 = sqlite3ExprListAppend(0,yymsp[0].minor.yy172,&yymsp[-2].minor.yy410);}
#line 2524 "parse.c"
        break;
      case 165:
#line 600 "parse.y"
{sqlite3Insert(pParse, yymsp[-5].minor.yy373, yymsp[-1].minor.yy174, 0, yymsp[-4].minor.yy432, yymsp[-7].minor.yy46);}
#line 2529 "parse.c"
        break;
      case 166:
#line 602 "parse.y"
{sqlite3Insert(pParse, yymsp[-2].minor.yy373, 0, yymsp[0].minor.yy219, yymsp[-1].minor.yy432, yymsp[-4].minor.yy46);}
#line 2534 "parse.c"
        break;
      case 167:

#line 604 "parse.y"

{sqlite3Insert(pParse, yymsp[-3].minor.yy373, 0, 0, yymsp[-2].minor.yy432, yymsp[-5].minor.yy46);}
#line 2539 "parse.c"
        break;
      case 170:
      case 230:
#line 614 "parse.y"
{yygotominor.yy174 = sqlite3ExprListAppend(yymsp[-2].minor.yy174,yymsp[0].minor.yy172,0);}
#line 2545 "parse.c"
        break;
      case 171:
      case 231:
#line 615 "parse.y"

{yygotominor.yy174 = sqlite3ExprListAppend(0,yymsp[0].minor.yy172,0);}
#line 2551 "parse.c"
        break;
      case 174:
#line 624 "parse.y"
{yygotominor.yy432 = sqlite3IdListAppend(yymsp[-2].minor.yy432,&yymsp[0].minor.yy410);}
#line 2556 "parse.c"
        break;
      case 175:
#line 625 "parse.y"

{yygotominor.yy432 = sqlite3IdListAppend(0,&yymsp[0].minor.yy410);}
#line 2561 "parse.c"
        break;
      case 177:


#line 636 "parse.y"

{yygotominor.yy172 = yymsp[-1].minor.yy172; sqlite3ExprSpan(yygotominor.yy172,&yymsp[-2].minor.yy0,&yymsp[0].minor.yy0); }
#line 2566 "parse.c"
        break;
      case 178:
      case 183:
      case 184:
#line 637 "parse.y"
{yygotominor.yy172 = sqlite3Expr(yymsp[0].major, 0, 0, &yymsp[0].minor.yy0);}
#line 2573 "parse.c"
        break;
      case 179:
      case 180:
#line 638 "parse.y"
{yygotominor.yy172 = sqlite3Expr(TK_ID, 0, 0, &yymsp[0].minor.yy0);}
#line 2579 "parse.c"
        break;
      case 181:
#line 640 "parse.y"
{
  Expr *temp1 = sqlite3Expr(TK_ID, 0, 0, &yymsp[-2].minor.yy410);
  Expr *temp2 = sqlite3Expr(TK_ID, 0, 0, &yymsp[0].minor.yy410);
  yygotominor.yy172 = sqlite3Expr(TK_DOT, temp1, temp2, 0);
}
#line 2588 "parse.c"
        break;
      case 182:
#line 645 "parse.y"
{
  Expr *temp1 = sqlite3Expr(TK_ID, 0, 0, &yymsp[-4].minor.yy410);
  Expr *temp2 = sqlite3Expr(TK_ID, 0, 0, &yymsp[-2].minor.yy410);
  Expr *temp3 = sqlite3Expr(TK_ID, 0, 0, &yymsp[0].minor.yy410);
  Expr *temp4 = sqlite3Expr(TK_DOT, temp2, temp3, 0);
  yygotominor.yy172 = sqlite3Expr(TK_DOT, temp1, temp4, 0);
}
#line 2599 "parse.c"
        break;
      case 185:
#line 654 "parse.y"
{yygotominor.yy172 = sqlite3RegisterExpr(pParse, &yymsp[0].minor.yy0);}
#line 2604 "parse.c"
        break;
      case 186:
#line 655 "parse.y"
{
  Token *pToken = &yymsp[0].minor.yy0;
  Expr *pExpr = yygotominor.yy172 = sqlite3Expr(TK_VARIABLE, 0, 0, pToken);
  sqlite3ExprAssignVarNumber(pParse, pExpr);
}
#line 2613 "parse.c"
        break;
      case 187:
#line 661 "parse.y"
{
  yygotominor.yy172 = sqlite3Expr(TK_CAST, yymsp[-3].minor.yy172, 0, &yymsp[-1].minor.yy410);
  sqlite3ExprSpan(yygotominor.yy172,&yymsp[-5].minor.yy0,&yymsp[0].minor.yy0);
}
#line 2621 "parse.c"
        break;
      case 188:
#line 666 "parse.y"
{
  yygotominor.yy172 = sqlite3ExprFunction(yymsp[-1].minor.yy174, &yymsp[-4].minor.yy0);
  sqlite3ExprSpan(yygotominor.yy172,&yymsp[-4].minor.yy0,&yymsp[0].minor.yy0);
  if( yymsp[-2].minor.yy46 && yygotominor.yy172 ){
    yygotominor.yy172->flags |= EP_Distinct;
  }
}
#line 2632 "parse.c"
        break;
      case 189:
#line 673 "parse.y"
{
  yygotominor.yy172 = sqlite3ExprFunction(0, &yymsp[-3].minor.yy0);
  sqlite3ExprSpan(yygotominor.yy172,&yymsp[-3].minor.yy0,&yymsp[0].minor.yy0);
}
#line 2640 "parse.c"
        break;
      case 190:
#line 677 "parse.y"
{
  /* The CURRENT_TIME, CURRENT_DATE, and CURRENT_TIMESTAMP values are
  ** treated as functions that return constants */
  yygotominor.yy172 = sqlite3ExprFunction(0,&yymsp[0].minor.yy0);
  if( yygotominor.yy172 ){
    yygotominor.yy172->op = TK_CONST_FUNC;  
    yygotominor.yy172->span = yymsp[0].minor.yy0;
  }
}
#line 2653 "parse.c"
        break;

      case 191:
      case 192:
      case 193:
      case 194:
      case 195:
      case 196:
      case 197:
      case 198:
#line 686 "parse.y"
{yygotominor.yy172 = sqlite3Expr(yymsp[-1].major, yymsp[-2].minor.yy172, yymsp[0].minor.yy172, 0);}
#line 2665 "parse.c"






        break;
      case 199:
      case 201:
#line 696 "parse.y"
{yygotominor.yy72.eOperator = yymsp[0].minor.yy0; yygotominor.yy72.not = 0;}
#line 2671 "parse.c"
        break;
      case 200:
      case 202:
#line 697 "parse.y"
{yygotominor.yy72.eOperator = yymsp[0].minor.yy0; yygotominor.yy72.not = 1;}
#line 2677 "parse.c"
        break;
      case 205:
#line 704 "parse.y"
{
  ExprList *pList;
  pList = sqlite3ExprListAppend(0, yymsp[-1].minor.yy172, 0);
  pList = sqlite3ExprListAppend(pList, yymsp[-3].minor.yy172, 0);
  if( yymsp[0].minor.yy172 ){
    pList = sqlite3ExprListAppend(pList, yymsp[0].minor.yy172, 0);
  }
  yygotominor.yy172 = sqlite3ExprFunction(pList, &yymsp[-2].minor.yy72.eOperator);
  if( yymsp[-2].minor.yy72.not ) yygotominor.yy172 = sqlite3Expr(TK_NOT, yygotominor.yy172, 0, 0);
  sqlite3ExprSpan(yygotominor.yy172, &yymsp[-3].minor.yy172->span, &yymsp[-1].minor.yy172->span);
  if( yygotominor.yy172 ) yygotominor.yy172->flags |= EP_InfixFunc;
}
#line 2693 "parse.c"
        break;
      case 206:
#line 717 "parse.y"
{
  yygotominor.yy172 = sqlite3Expr(yymsp[0].major, yymsp[-1].minor.yy172, 0, 0);
  sqlite3ExprSpan(yygotominor.yy172,&yymsp[-1].minor.yy172->span,&yymsp[0].minor.yy0);
}
#line 2701 "parse.c"
        break;
      case 207:
#line 721 "parse.y"
{
  yygotominor.yy172 = sqlite3Expr(TK_ISNULL, yymsp[-2].minor.yy172, 0, 0);
  sqlite3ExprSpan(yygotominor.yy172,&yymsp[-2].minor.yy172->span,&yymsp[0].minor.yy0);
}
#line 2709 "parse.c"
        break;
      case 208:
#line 725 "parse.y"
{
  yygotominor.yy172 = sqlite3Expr(TK_NOTNULL, yymsp[-2].minor.yy172, 0, 0);
  sqlite3ExprSpan(yygotominor.yy172,&yymsp[-2].minor.yy172->span,&yymsp[0].minor.yy0);
}
#line 2717 "parse.c"
        break;
      case 209:
#line 729 "parse.y"
{
  yygotominor.yy172 = sqlite3Expr(TK_NOTNULL, yymsp[-3].minor.yy172, 0, 0);
  sqlite3ExprSpan(yygotominor.yy172,&yymsp[-3].minor.yy172->span,&yymsp[0].minor.yy0);
}
#line 2725 "parse.c"
        break;
      case 210:
#line 733 "parse.y"
{
  yygotominor.yy172 = sqlite3Expr(yymsp[-1].major, yymsp[0].minor.yy172, 0, 0);
  sqlite3ExprSpan(yygotominor.yy172,&yymsp[-1].minor.yy0,&yymsp[0].minor.yy172->span);
}
#line 2733 "parse.c"
        break;
      case 211:
#line 737 "parse.y"
{
  yygotominor.yy172 = sqlite3Expr(TK_UMINUS, yymsp[0].minor.yy172, 0, 0);
  sqlite3ExprSpan(yygotominor.yy172,&yymsp[-1].minor.yy0,&yymsp[0].minor.yy172->span);
}
#line 2741 "parse.c"
        break;
      case 212:
#line 741 "parse.y"
{
  yygotominor.yy172 = sqlite3Expr(TK_UPLUS, yymsp[0].minor.yy172, 0, 0);
  sqlite3ExprSpan(yygotominor.yy172,&yymsp[-1].minor.yy0,&yymsp[0].minor.yy172->span);
}
#line 2749 "parse.c"
        break;
      case 215:
#line 748 "parse.y"
{
  ExprList *pList = sqlite3ExprListAppend(0, yymsp[-2].minor.yy172, 0);
  pList = sqlite3ExprListAppend(pList, yymsp[0].minor.yy172, 0);
  yygotominor.yy172 = sqlite3Expr(TK_BETWEEN, yymsp[-4].minor.yy172, 0, 0);
  if( yygotominor.yy172 ){
    yygotominor.yy172->pList = pList;
  }else{
    sqlite3ExprListDelete(pList);
  } 
  if( yymsp[-3].minor.yy46 ) yygotominor.yy172 = sqlite3Expr(TK_NOT, yygotominor.yy172, 0, 0);
  sqlite3ExprSpan(yygotominor.yy172,&yymsp[-4].minor.yy172->span,&yymsp[0].minor.yy172->span);
}
#line 2765 "parse.c"
        break;
      case 218:
#line 764 "parse.y"
{
    yygotominor.yy172 = sqlite3Expr(TK_IN, yymsp[-4].minor.yy172, 0, 0);
    if( yygotominor.yy172 ){
      yygotominor.yy172->pList = yymsp[-1].minor.yy174;
    }else{
      sqlite3ExprListDelete(yymsp[-1].minor.yy174);
    }
    if( yymsp[-3].minor.yy46 ) yygotominor.yy172 = sqlite3Expr(TK_NOT, yygotominor.yy172, 0, 0);
    sqlite3ExprSpan(yygotominor.yy172,&yymsp[-4].minor.yy172->span,&yymsp[0].minor.yy0);
  }
#line 2779 "parse.c"
        break;
      case 219:
#line 774 "parse.y"
{
    yygotominor.yy172 = sqlite3Expr(TK_SELECT, 0, 0, 0);
    if( yygotominor.yy172 ){
      yygotominor.yy172->pSelect = yymsp[-1].minor.yy219;
    }else{
      sqlite3SelectDelete(yymsp[-1].minor.yy219);
    }
    sqlite3ExprSpan(yygotominor.yy172,&yymsp[-2].minor.yy0,&yymsp[0].minor.yy0);
  }
#line 2792 "parse.c"
        break;
      case 220:
#line 783 "parse.y"
{
    yygotominor.yy172 = sqlite3Expr(TK_IN, yymsp[-4].minor.yy172, 0, 0);
    if( yygotominor.yy172 ){
      yygotominor.yy172->pSelect = yymsp[-1].minor.yy219;
    }else{
      sqlite3SelectDelete(yymsp[-1].minor.yy219);
    }
    if( yymsp[-3].minor.yy46 ) yygotominor.yy172 = sqlite3Expr(TK_NOT, yygotominor.yy172, 0, 0);
    sqlite3ExprSpan(yygotominor.yy172,&yymsp[-4].minor.yy172->span,&yymsp[0].minor.yy0);
  }
#line 2806 "parse.c"
        break;
      case 221:
#line 793 "parse.y"
{
    SrcList *pSrc = sqlite3SrcListAppend(0,&yymsp[-1].minor.yy410,&yymsp[0].minor.yy410);
    yygotominor.yy172 = sqlite3Expr(TK_IN, yymsp[-3].minor.yy172, 0, 0);
    if( yygotominor.yy172 ){
      yygotominor.yy172->pSelect = sqlite3SelectNew(0,pSrc,0,0,0,0,0,0,0);
    }else{
      sqlite3SrcListDelete(pSrc);
    }
    if( yymsp[-2].minor.yy46 ) yygotominor.yy172 = sqlite3Expr(TK_NOT, yygotominor.yy172, 0, 0);
    sqlite3ExprSpan(yygotominor.yy172,&yymsp[-3].minor.yy172->span,yymsp[0].minor.yy410.z?&yymsp[0].minor.yy410:&yymsp[-1].minor.yy410);
  }
#line 2821 "parse.c"
        break;
      case 222:
#line 804 "parse.y"
{
    Expr *p = yygotominor.yy172 = sqlite3Expr(TK_EXISTS, 0, 0, 0);
    if( p ){
      p->pSelect = yymsp[-1].minor.yy219;
      sqlite3ExprSpan(p,&yymsp[-3].minor.yy0,&yymsp[0].minor.yy0);
    }else{
      sqlite3SelectDelete(yymsp[-1].minor.yy219);
    }
  }
#line 2834 "parse.c"
        break;
      case 223:
#line 816 "parse.y"
{
  yygotominor.yy172 = sqlite3Expr(TK_CASE, yymsp[-3].minor.yy172, yymsp[-1].minor.yy172, 0);
  if( yygotominor.yy172 ){
    yygotominor.yy172->pList = yymsp[-2].minor.yy174;
  }else{
    sqlite3ExprListDelete(yymsp[-2].minor.yy174);
  }
  sqlite3ExprSpan(yygotominor.yy172, &yymsp[-4].minor.yy0, &yymsp[0].minor.yy0);
}
#line 2847 "parse.c"
        break;
      case 224:
#line 827 "parse.y"
{
  yygotominor.yy174 = sqlite3ExprListAppend(yymsp[-4].minor.yy174, yymsp[-2].minor.yy172, 0);
  yygotominor.yy174 = sqlite3ExprListAppend(yygotominor.yy174, yymsp[0].minor.yy172, 0);
}
#line 2855 "parse.c"
        break;
      case 225:
#line 831 "parse.y"
{
  yygotominor.yy174 = sqlite3ExprListAppend(0, yymsp[-2].minor.yy172, 0);
  yygotominor.yy174 = sqlite3ExprListAppend(yygotominor.yy174, yymsp[0].minor.yy172, 0);
}
#line 2863 "parse.c"
        break;
      case 234:
#line 858 "parse.y"
{
  sqlite3CreateIndex(pParse, &yymsp[-6].minor.yy410, &yymsp[-5].minor.yy410, sqlite3SrcListAppend(0,&yymsp[-3].minor.yy410,0), yymsp[-1].minor.yy174, yymsp[-9].minor.yy46,
                      &yymsp[-10].minor.yy0, &yymsp[0].minor.yy0, SQLITE_SO_ASC, yymsp[-7].minor.yy46);
}
#line 2871 "parse.c"
        break;
      case 235:
      case 280:
#line 864 "parse.y"
{yygotominor.yy46 = OE_Abort;}
#line 2877 "parse.c"
        break;
      case 236:
#line 865 "parse.y"
{yygotominor.yy46 = OE_None;}
#line 2882 "parse.c"
        break;
      case 239:
#line 875 "parse.y"
{
  Expr *p = 0;
  if( yymsp[-1].minor.yy410.n>0 ){
    p = sqlite3Expr(TK_COLUMN, 0, 0, 0);
    if( p ) p->pColl = sqlite3LocateCollSeq(pParse, (char*)yymsp[-1].minor.yy410.z, yymsp[-1].minor.yy410.n);
  }
  yygotominor.yy174 = sqlite3ExprListAppend(yymsp[-4].minor.yy174, p, &yymsp[-2].minor.yy410);
  if( yygotominor.yy174 ) yygotominor.yy174->a[yygotominor.yy174->nExpr-1].sortOrder = yymsp[0].minor.yy46;
}
#line 2895 "parse.c"
        break;
      case 240:
#line 884 "parse.y"
{
  Expr *p = 0;
  if( yymsp[-1].minor.yy410.n>0 ){
    p = sqlite3Expr(TK_COLUMN, 0, 0, 0);
    if( p ) p->pColl = sqlite3LocateCollSeq(pParse, (char*)yymsp[-1].minor.yy410.z, yymsp[-1].minor.yy410.n);
  }
  yygotominor.yy174 = sqlite3ExprListAppend(0, p, &yymsp[-2].minor.yy410);
  if( yygotominor.yy174 ) yygotominor.yy174->a[yygotominor.yy174->nExpr-1].sortOrder = yymsp[0].minor.yy46;
}
#line 2908 "parse.c"
        break;
      case 242:
#line 898 "parse.y"
{sqlite3DropIndex(pParse, yymsp[0].minor.yy373, yymsp[-1].minor.yy46);}
#line 2913 "parse.c"
        break;
      case 243:
      case 244:
#line 903 "parse.y"
{sqlite3Vacuum(pParse);}
#line 2919 "parse.c"
        break;
      case 245:
      case 247:
#line 910 "parse.y"
{sqlite3Pragma(pParse,&yymsp[-3].minor.yy410,&yymsp[-2].minor.yy410,&yymsp[0].minor.yy410,0);}
#line 2925 "parse.c"
        break;
      case 246:
#line 911 "parse.y"
{sqlite3Pragma(pParse,&yymsp[-3].minor.yy410,&yymsp[-2].minor.yy410,&yymsp[0].minor.yy0,0);}
#line 2930 "parse.c"
        break;
      case 248:
#line 913 "parse.y"
{
  sqlite3Pragma(pParse,&yymsp[-3].minor.yy410,&yymsp[-2].minor.yy410,&yymsp[0].minor.yy410,1);
}
#line 2937 "parse.c"
        break;
      case 249:
#line 916 "parse.y"
{sqlite3Pragma(pParse,&yymsp[-4].minor.yy410,&yymsp[-3].minor.yy410,&yymsp[-1].minor.yy410,0);}
#line 2942 "parse.c"
        break;
      case 250:
#line 917 "parse.y"
{sqlite3Pragma(pParse,&yymsp[-1].minor.yy410,&yymsp[0].minor.yy410,0,0);}
#line 2947 "parse.c"
        break;
      case 256:
#line 929 "parse.y"
{
  Token all;
  all.z = yymsp[-3].minor.yy410.z;
  all.n = (yymsp[0].minor.yy0.z - yymsp[-3].minor.yy410.z) + yymsp[0].minor.yy0.n;
  sqlite3FinishTrigger(pParse, yymsp[-1].minor.yy243, &all);
}
#line 2957 "parse.c"
        break;
      case 257:
#line 938 "parse.y"
{
  sqlite3BeginTrigger(pParse, &yymsp[-7].minor.yy410, &yymsp[-6].minor.yy410, yymsp[-5].minor.yy46, yymsp[-4].minor.yy370.a, yymsp[-4].minor.yy370.b, yymsp[-2].minor.yy373, yymsp[-1].minor.yy46, yymsp[0].minor.yy172, yymsp[-10].minor.yy46, yymsp[-8].minor.yy46);
  yygotominor.yy410 = (yymsp[-6].minor.yy410.n==0?yymsp[-7].minor.yy410:yymsp[-6].minor.yy410);
}
#line 2965 "parse.c"
        break;
      case 258:
      case 261:
#line 944 "parse.y"
{ yygotominor.yy46 = TK_BEFORE; }
#line 2971 "parse.c"
        break;
      case 259:
#line 945 "parse.y"
{ yygotominor.yy46 = TK_AFTER;  }
#line 2976 "parse.c"
        break;
      case 260:
#line 946 "parse.y"
{ yygotominor.yy46 = TK_INSTEAD;}
#line 2981 "parse.c"
        break;
      case 262:
      case 263:
#line 951 "parse.y"
{yygotominor.yy370.a = yymsp[0].major; yygotominor.yy370.b = 0;}
#line 2987 "parse.c"
        break;
      case 264:
#line 953 "parse.y"
{yygotominor.yy370.a = TK_UPDATE; yygotominor.yy370.b = yymsp[0].minor.yy432;}
#line 2992 "parse.c"
        break;
      case 265:
      case 266:
#line 956 "parse.y"
{ yygotominor.yy46 = TK_ROW; }
#line 2998 "parse.c"
        break;
      case 267:
#line 958 "parse.y"
{ yygotominor.yy46 = TK_STATEMENT; }
#line 3003 "parse.c"
        break;
      case 268:
#line 962 "parse.y"
{ yygotominor.yy172 = 0; }
#line 3008 "parse.c"
        break;
      case 269:
#line 963 "parse.y"
{ yygotominor.yy172 = yymsp[0].minor.yy172; }
#line 3013 "parse.c"
        break;
      case 270:
#line 967 "parse.y"
{
  if( yymsp[-2].minor.yy243 ){
    yymsp[-2].minor.yy243->pLast->pNext = yymsp[-1].minor.yy243;
  }else{
    yymsp[-2].minor.yy243 = yymsp[-1].minor.yy243;
  }
  yymsp[-2].minor.yy243->pLast = yymsp[-1].minor.yy243;
  yygotominor.yy243 = yymsp[-2].minor.yy243;
}
#line 3026 "parse.c"
        break;
      case 271:
#line 976 "parse.y"
{ yygotominor.yy243 = 0; }
#line 3031 "parse.c"
        break;
      case 272:
#line 982 "parse.y"
{ yygotominor.yy243 = sqlite3TriggerUpdateStep(&yymsp[-3].minor.yy410, yymsp[-1].minor.yy174, yymsp[0].minor.yy172, yymsp[-4].minor.yy46); }
#line 3036 "parse.c"
        break;
      case 273:
#line 987 "parse.y"
{yygotominor.yy243 = sqlite3TriggerInsertStep(&yymsp[-5].minor.yy410, yymsp[-4].minor.yy432, yymsp[-1].minor.yy174, 0, yymsp[-7].minor.yy46);}
#line 3041 "parse.c"
        break;
      case 274:
#line 990 "parse.y"
{yygotominor.yy243 = sqlite3TriggerInsertStep(&yymsp[-2].minor.yy410, yymsp[-1].minor.yy432, 0, yymsp[0].minor.yy219, yymsp[-4].minor.yy46);}
#line 3046 "parse.c"
        break;
      case 275:
#line 994 "parse.y"
{yygotominor.yy243 = sqlite3TriggerDeleteStep(&yymsp[-1].minor.yy410, yymsp[0].minor.yy172);}
#line 3051 "parse.c"
        break;
      case 276:
#line 997 "parse.y"
{yygotominor.yy243 = sqlite3TriggerSelectStep(yymsp[0].minor.yy219); }
#line 3056 "parse.c"
        break;
      case 277:
#line 1000 "parse.y"
{
  yygotominor.yy172 = sqlite3Expr(TK_RAISE, 0, 0, 0); 
  if( yygotominor.yy172 ){
    yygotominor.yy172->iColumn = OE_Ignore;
    sqlite3ExprSpan(yygotominor.yy172, &yymsp[-3].minor.yy0, &yymsp[0].minor.yy0);
  }
}
#line 3067 "parse.c"
        break;
      case 278:
#line 1007 "parse.y"
{
  yygotominor.yy172 = sqlite3Expr(TK_RAISE, 0, 0, &yymsp[-1].minor.yy410); 
  if( yygotominor.yy172 ) {
    yygotominor.yy172->iColumn = yymsp[-3].minor.yy46;
    sqlite3ExprSpan(yygotominor.yy172, &yymsp[-5].minor.yy0, &yymsp[0].minor.yy0);
  }
}
#line 3078 "parse.c"
        break;
      case 279:
#line 1017 "parse.y"
{yygotominor.yy46 = OE_Rollback;}
#line 3083 "parse.c"
        break;
      case 281:
#line 1019 "parse.y"
{yygotominor.yy46 = OE_Fail;}
#line 3088 "parse.c"
        break;
      case 282:
#line 1024 "parse.y"
{
  sqlite3DropTrigger(pParse,yymsp[0].minor.yy373,yymsp[-1].minor.yy46);
}
#line 3095 "parse.c"
        break;
      case 283:
#line 1030 "parse.y"
{
  sqlite3Attach(pParse, yymsp[-3].minor.yy172, yymsp[-1].minor.yy172, yymsp[0].minor.yy386);
}
#line 3102 "parse.c"
        break;
      case 284:
#line 1035 "parse.y"
{ yygotominor.yy386 = 0; }
#line 3107 "parse.c"
        break;
      case 285:
#line 1036 "parse.y"
{ yygotominor.yy386 = yymsp[0].minor.yy172; }
#line 3112 "parse.c"
        break;
      case 288:
#line 1042 "parse.y"
{
  sqlite3Detach(pParse, yymsp[0].minor.yy172);
}
#line 3119 "parse.c"
        break;
      case 289:
#line 1048 "parse.y"
{sqlite3Reindex(pParse, 0, 0);}
#line 3124 "parse.c"
        break;
      case 290:
#line 1049 "parse.y"
{sqlite3Reindex(pParse, &yymsp[-1].minor.yy410, &yymsp[0].minor.yy410);}
#line 3129 "parse.c"
        break;
      case 291:
#line 1054 "parse.y"
{sqlite3Analyze(pParse, 0, 0);}
#line 3134 "parse.c"
        break;
      case 292:
#line 1055 "parse.y"
{sqlite3Analyze(pParse, &yymsp[-1].minor.yy410, &yymsp[0].minor.yy410);}
#line 3139 "parse.c"
        break;
      case 293:
#line 1060 "parse.y"
{
  sqlite3AlterRenameTable(pParse,yymsp[-3].minor.yy373,&yymsp[0].minor.yy410);
}
#line 3146 "parse.c"
        break;
      case 294:
#line 1063 "parse.y"
{
  sqlite3AlterFinishAddColumn(pParse, &yymsp[0].minor.yy410);
}
#line 3153 "parse.c"
        break;
      case 295:
#line 1066 "parse.y"
{
  sqlite3AlterBeginAddColumn(pParse, yymsp[0].minor.yy373);
}
#line 3160 "parse.c"
        break;
      case 298:
#line 1075 "parse.y"
{sqlite3VtabFinishParse(pParse,0);}
#line 3165 "parse.c"
        break;
      case 299:
#line 1076 "parse.y"
{sqlite3VtabFinishParse(pParse,&yymsp[0].minor.yy0);}
#line 3170 "parse.c"
        break;
      case 300:
#line 1077 "parse.y"
{
    sqlite3VtabBeginParse(pParse, &yymsp[-3].minor.yy410, &yymsp[-2].minor.yy410, &yymsp[0].minor.yy410);
}
#line 3177 "parse.c"
        break;
      case 303:
#line 1082 "parse.y"
{sqlite3VtabArgInit(pParse);}
#line 3182 "parse.c"
        break;
      case 305:
      case 306:
      case 307:
      case 309:
#line 1084 "parse.y"
{sqlite3VtabArgExtend(pParse,&yymsp[0].minor.yy0);}
#line 3190 "parse.c"
        break;
  };
  yygoto = yyRuleInfo[yyruleno].lhs;
  yysize = yyRuleInfo[yyruleno].nrhs;
  yypParser->yyidx -= yysize;
  yyact = yy_find_reduce_action(yymsp[-yysize].stateno,yygoto);
  if( yyact < YYNSTATE ){
................................................................................
    if( TOKEN.z[0] ){
      sqlite3ErrorMsg(pParse, "near \"%T\": syntax error", &TOKEN);
    }else{
      sqlite3ErrorMsg(pParse, "incomplete SQL statement");
    }
    pParse->parseError = 1;
  }
#line 3258 "parse.c"
  sqlite3ParserARG_STORE; /* Suppress warning about unused %extra_argument variable */
}

/*
** The following is executed when the parser accepts
*/
static void yy_accept(

Changes to SQLite.Interop/src/pragma.c.

7
8
9
10
11
12
13
14
15
16
17
18
19
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21
...
478
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485
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491
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...
935
936
937
938
939
940
941
















942
943
944
945
946
947
948
**    May you do good and not evil.
**    May you find forgiveness for yourself and forgive others.
**    May you share freely, never taking more than you give.
**
*************************************************************************
** This file contains code used to implement the PRAGMA command.
**
** $Id: pragma.c,v 1.23 2006/08/13 15:56:08 rmsimpson Exp $
*/
#include "sqliteInt.h"
#include "os.h"
#include <ctype.h>

/* Ignore this whole file if pragmas are disabled
*/
................................................................................
      sqlite3VdbeSetColName(v, 1, COLNAME_NAME, "name", P3_STATIC);
      sqlite3VdbeSetColName(v, 2, COLNAME_NAME, "type", P3_STATIC);
      sqlite3VdbeSetColName(v, 3, COLNAME_NAME, "notnull", P3_STATIC);
      sqlite3VdbeSetColName(v, 4, COLNAME_NAME, "dflt_value", P3_STATIC);
      sqlite3VdbeSetColName(v, 5, COLNAME_NAME, "pk", P3_STATIC);
      sqlite3ViewGetColumnNames(pParse, pTab);
      for(i=0, pCol=pTab->aCol; i<pTab->nCol; i++, pCol++){


        sqlite3VdbeAddOp(v, OP_Integer, i, 0);
        sqlite3VdbeOp3(v, OP_String8, 0, 0, pCol->zName, 0);
        sqlite3VdbeOp3(v, OP_String8, 0, 0,
           pCol->zType ? pCol->zType : "", 0);
        sqlite3VdbeAddOp(v, OP_Integer, pCol->notNull, 0);
        sqlite3ExprCode(pParse, pCol->pDflt);





        sqlite3VdbeAddOp(v, OP_Integer, pCol->isPrimKey, 0);
        sqlite3VdbeAddOp(v, OP_Callback, 6, 0);
      }
    }
  }else

  if( sqlite3StrICmp(zLeft, "index_info")==0 && zRight ){
................................................................................
  }else
#endif

#if SQLITE_HAS_CODEC
  if( sqlite3StrICmp(zLeft, "key")==0 ){
    sqlite3_key(db, zRight, strlen(zRight));
  }else
















#endif

  {}

  if( v ){
    /* Code an OP_Expire at the end of each PRAGMA program to cause
    ** the VDBE implementing the pragma to expire. Most (all?) pragmas







|







 







>
>





|
>
>
>
>
>







 







>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>







7
8
9
10
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14
15
16
17
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19
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21
...
478
479
480
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483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
...
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
**    May you do good and not evil.
**    May you find forgiveness for yourself and forgive others.
**    May you share freely, never taking more than you give.
**
*************************************************************************
** This file contains code used to implement the PRAGMA command.
**
** $Id: pragma.c,v 1.24 2006/10/12 21:34:22 rmsimpson Exp $
*/
#include "sqliteInt.h"
#include "os.h"
#include <ctype.h>

/* Ignore this whole file if pragmas are disabled
*/
................................................................................
      sqlite3VdbeSetColName(v, 1, COLNAME_NAME, "name", P3_STATIC);
      sqlite3VdbeSetColName(v, 2, COLNAME_NAME, "type", P3_STATIC);
      sqlite3VdbeSetColName(v, 3, COLNAME_NAME, "notnull", P3_STATIC);
      sqlite3VdbeSetColName(v, 4, COLNAME_NAME, "dflt_value", P3_STATIC);
      sqlite3VdbeSetColName(v, 5, COLNAME_NAME, "pk", P3_STATIC);
      sqlite3ViewGetColumnNames(pParse, pTab);
      for(i=0, pCol=pTab->aCol; i<pTab->nCol; i++, pCol++){
        const Token *pDflt;
        static const Token noDflt =  { (unsigned char*)"", 0, 0 };
        sqlite3VdbeAddOp(v, OP_Integer, i, 0);
        sqlite3VdbeOp3(v, OP_String8, 0, 0, pCol->zName, 0);
        sqlite3VdbeOp3(v, OP_String8, 0, 0,
           pCol->zType ? pCol->zType : "", 0);
        sqlite3VdbeAddOp(v, OP_Integer, pCol->notNull, 0);
        pDflt = pCol->pDflt ? &pCol->pDflt->span : &noDflt;
        if( pDflt->z ){
          sqlite3VdbeOp3(v, OP_String8, 0, 0, (char*)pDflt->z, pDflt->n);
        }else{
          sqlite3VdbeAddOp(v, OP_Null, 0, 0);
        }
        sqlite3VdbeAddOp(v, OP_Integer, pCol->isPrimKey, 0);
        sqlite3VdbeAddOp(v, OP_Callback, 6, 0);
      }
    }
  }else

  if( sqlite3StrICmp(zLeft, "index_info")==0 && zRight ){
................................................................................
  }else
#endif

#if SQLITE_HAS_CODEC
  if( sqlite3StrICmp(zLeft, "key")==0 ){
    sqlite3_key(db, zRight, strlen(zRight));
  }else
#endif
#if SQLITE_HAS_CODEC || defined(SQLITE_ENABLE_CEROD)
  if( sqlite3StrICmp(zLeft, "activate_extensions")==0 ){
#if SQLITE_HAS_CODEC
    if( sqlite3StrNICmp(zRight, "see-", 4)==0 ){
      extern void sqlite3_activate_see(const char*);
      sqlite3_activate_see(&zRight[4]);
    }
#endif
#ifdef SQLITE_ENABLE_CEROD
    if( sqlite3StrNICmp(zRight, "cerod-", 6)==0 ){
      extern void sqlite3_activate_cerod(const char*);
      sqlite3_activate_cerod(&zRight[6]);
    }
#endif
  }
#endif

  {}

  if( v ){
    /* Code an OP_Expire at the end of each PRAGMA program to cause
    ** the VDBE implementing the pragma to expire. Most (all?) pragmas

Changes to SQLite.Interop/src/prepare.c.

9
10
11
12
13
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17
18
19
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21
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23
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37
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40
41
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43
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50
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53

54
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64
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66
67
68
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70
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134
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...
173
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184
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188
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...
291
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301
302
303
304
305
306
...
542
543
544
545
546
547
548

549
550
551
552
553
554
555
**    May you share freely, never taking more than you give.
**
*************************************************************************
** This file contains the implementation of the sqlite3_prepare()
** interface, and routines that contribute to loading the database schema
** from disk.
**
** $Id: prepare.c,v 1.19 2006/08/13 15:56:08 rmsimpson Exp $
*/
#include "sqliteInt.h"
#include "os.h"
#include <ctype.h>

/*
** Fill the InitData structure with an error message that indicates
................................................................................
** This routine is also called from the OP_ParseSchema opcode of the VDBE.
**
** Each callback contains the following information:
**
**     argv[0] = name of thing being created
**     argv[1] = root page number for table or index. 0 for trigger or view.
**     argv[2] = SQL text for the CREATE statement.
**     argv[3] = "1" for temporary files, "0" for main database, "2" or more
**               for auxiliary database files.
**
*/
int sqlite3InitCallback(void *pInit, int argc, char **argv, char **azColName){
  InitData *pData = (InitData*)pInit;
  sqlite3 *db = pData->db;
  int iDb;

  pData->rc = SQLITE_OK;

  if( sqlite3MallocFailed() ){
    corruptSchema(pData, 0);
    return SQLITE_NOMEM;
  }

  assert( argc==4 );
  if( argv==0 ) return 0;   /* Might happen if EMPTY_RESULT_CALLBACKS are on */
  if( argv[1]==0 || argv[3]==0 ){
    corruptSchema(pData, 0);
    return 1;
  }
  iDb = atoi(argv[3]);
  assert( iDb>=0 && iDb<db->nDb );
  if( argv[2] && argv[2][0] ){
    /* Call the parser to process a CREATE TABLE, INDEX or VIEW.
    ** But because db->init.busy is set to 1, no VDBE code is generated
    ** or executed.  All the parser does is build the internal data
    ** structures that describe the table, index, or view.
    */
................................................................................
*/
static int sqlite3InitOne(sqlite3 *db, int iDb, char **pzErrMsg){
  int rc;
  BtCursor *curMain;
  int size;
  Table *pTab;
  Db *pDb;
  char const *azArg[5];
  char zDbNum[30];
  int meta[10];
  InitData initData;
  char const *zMasterSchema;
  char const *zMasterName = SCHEMA_TABLE(iDb);

  /*
  ** The master database table has a structure like this
................................................................................
  zMasterName = SCHEMA_TABLE(iDb);

  /* Construct the schema tables.  */
  sqlite3SafetyOff(db);
  azArg[0] = zMasterName;
  azArg[1] = "1";
  azArg[2] = zMasterSchema;
  sprintf(zDbNum, "%d", iDb);
  azArg[3] = zDbNum;
  azArg[4] = 0;
  initData.db = db;

  initData.pzErrMsg = pzErrMsg;
  rc = sqlite3InitCallback(&initData, 4, (char **)azArg, 0);
  if( rc ){
    sqlite3SafetyOn(db);
    return initData.rc;
  }
  pTab = sqlite3FindTable(db, zMasterName, db->aDb[iDb].zName);
  if( pTab ){
    pTab->readOnly = 1;
................................................................................
  assert( db->init.busy );
  if( rc==SQLITE_EMPTY ){
    /* For an empty database, there is nothing to read */
    rc = SQLITE_OK;
  }else{
    char *zSql;
    zSql = sqlite3MPrintf(
        "SELECT name, rootpage, sql, '%s' FROM '%q'.%s",
        zDbNum, db->aDb[iDb].zName, zMasterName);
    sqlite3SafetyOff(db);
    rc = sqlite3_exec(db, zSql, sqlite3InitCallback, &initData, 0);
    if( rc==SQLITE_ABORT ) rc = initData.rc;
    sqlite3SafetyOn(db);
    sqliteFree(zSql);
#ifndef SQLITE_OMIT_ANALYZE
    if( rc==SQLITE_OK ){
................................................................................
    sqliteFree(zErrMsg);
  }else{
    sqlite3Error(db, rc, 0);
  }

  rc = sqlite3ApiExit(db, rc);
  sqlite3ReleaseThreadData();

  return rc;
}

#ifndef SQLITE_OMIT_UTF16
/*
** Compile the UTF-16 encoded SQL statement zSql into a statement handle.
*/







|







 







<
<





|


>





|

|



<







 







|
<







 







<
|
<

>

|







 







|
|







 







>







9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
..
37
38
39
40
41
42
43


44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63

64
65
66
67
68
69
70
...
119
120
121
122
123
124
125
126

127
128
129
130
131
132
133
...
170
171
172
173
174
175
176

177

178
179
180
181
182
183
184
185
186
187
188
...
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
...
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
**    May you share freely, never taking more than you give.
**
*************************************************************************
** This file contains the implementation of the sqlite3_prepare()
** interface, and routines that contribute to loading the database schema
** from disk.
**
** $Id: prepare.c,v 1.20 2006/10/12 21:34:22 rmsimpson Exp $
*/
#include "sqliteInt.h"
#include "os.h"
#include <ctype.h>

/*
** Fill the InitData structure with an error message that indicates
................................................................................
** This routine is also called from the OP_ParseSchema opcode of the VDBE.
**
** Each callback contains the following information:
**
**     argv[0] = name of thing being created
**     argv[1] = root page number for table or index. 0 for trigger or view.
**     argv[2] = SQL text for the CREATE statement.


**
*/
int sqlite3InitCallback(void *pInit, int argc, char **argv, char **azColName){
  InitData *pData = (InitData*)pInit;
  sqlite3 *db = pData->db;
  int iDb = pData->iDb;

  pData->rc = SQLITE_OK;
  DbClearProperty(db, iDb, DB_Empty);
  if( sqlite3MallocFailed() ){
    corruptSchema(pData, 0);
    return SQLITE_NOMEM;
  }

  assert( argc==3 );
  if( argv==0 ) return 0;   /* Might happen if EMPTY_RESULT_CALLBACKS are on */
  if( argv[1]==0 ){
    corruptSchema(pData, 0);
    return 1;
  }

  assert( iDb>=0 && iDb<db->nDb );
  if( argv[2] && argv[2][0] ){
    /* Call the parser to process a CREATE TABLE, INDEX or VIEW.
    ** But because db->init.busy is set to 1, no VDBE code is generated
    ** or executed.  All the parser does is build the internal data
    ** structures that describe the table, index, or view.
    */
................................................................................
*/
static int sqlite3InitOne(sqlite3 *db, int iDb, char **pzErrMsg){
  int rc;
  BtCursor *curMain;
  int size;
  Table *pTab;
  Db *pDb;
  char const *azArg[4];

  int meta[10];
  InitData initData;
  char const *zMasterSchema;
  char const *zMasterName = SCHEMA_TABLE(iDb);

  /*
  ** The master database table has a structure like this
................................................................................
  zMasterName = SCHEMA_TABLE(iDb);

  /* Construct the schema tables.  */
  sqlite3SafetyOff(db);
  azArg[0] = zMasterName;
  azArg[1] = "1";
  azArg[2] = zMasterSchema;

  azArg[3] = 0;

  initData.db = db;
  initData.iDb = iDb;
  initData.pzErrMsg = pzErrMsg;
  rc = sqlite3InitCallback(&initData, 3, (char **)azArg, 0);
  if( rc ){
    sqlite3SafetyOn(db);
    return initData.rc;
  }
  pTab = sqlite3FindTable(db, zMasterName, db->aDb[iDb].zName);
  if( pTab ){
    pTab->readOnly = 1;
................................................................................
  assert( db->init.busy );
  if( rc==SQLITE_EMPTY ){
    /* For an empty database, there is nothing to read */
    rc = SQLITE_OK;
  }else{
    char *zSql;
    zSql = sqlite3MPrintf(
        "SELECT name, rootpage, sql FROM '%q'.%s",
        db->aDb[iDb].zName, zMasterName);
    sqlite3SafetyOff(db);
    rc = sqlite3_exec(db, zSql, sqlite3InitCallback, &initData, 0);
    if( rc==SQLITE_ABORT ) rc = initData.rc;
    sqlite3SafetyOn(db);
    sqliteFree(zSql);
#ifndef SQLITE_OMIT_ANALYZE
    if( rc==SQLITE_OK ){
................................................................................
    sqliteFree(zErrMsg);
  }else{
    sqlite3Error(db, rc, 0);
  }

  rc = sqlite3ApiExit(db, rc);
  sqlite3ReleaseThreadData();
  assert( (rc&db->errMask)==rc );
  return rc;
}

#ifndef SQLITE_OMIT_UTF16
/*
** Compile the UTF-16 encoded SQL statement zSql into a statement handle.
*/

Changes to SQLite.Interop/src/random.c.

11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
*************************************************************************
** This file contains code to implement a pseudo-random number
** generator (PRNG) for SQLite.
**
** Random numbers are used by some of the database backends in order
** to generate random integer keys for tables or random filenames.
**
** $Id: random.c,v 1.22 2006/08/13 15:56:08 rmsimpson Exp $
*/
#include "sqliteInt.h"
#include "os.h"


/*
** Get a single 8-bit random value from the RC4 PRNG.  The Mutex







|







11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
*************************************************************************
** This file contains code to implement a pseudo-random number
** generator (PRNG) for SQLite.
**
** Random numbers are used by some of the database backends in order
** to generate random integer keys for tables or random filenames.
**
** $Id: random.c,v 1.23 2006/10/12 21:34:22 rmsimpson Exp $
*/
#include "sqliteInt.h"
#include "os.h"


/*
** Get a single 8-bit random value from the RC4 PRNG.  The Mutex

Changes to SQLite.Interop/src/select.c.

8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
....
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
....
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109

1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
**    May you find forgiveness for yourself and forgive others.
**    May you share freely, never taking more than you give.
**
*************************************************************************
** This file contains C code routines that are called by the parser
** to handle SELECT statements in SQLite.
**
** $Id: select.c,v 1.24 2006/08/13 15:56:08 rmsimpson Exp $
*/
#include "sqliteInt.h"


/*
** Delete all the content of a Select structure but do not deallocate
** the select structure itself.
................................................................................
  pTab->nCol = pEList->nExpr;
  assert( pTab->nCol>0 );
  pTab->aCol = aCol = sqliteMalloc( sizeof(pTab->aCol[0])*pTab->nCol );
  for(i=0, pCol=aCol; i<pTab->nCol; i++, pCol++){
    Expr *p, *pR;
    char *zType;
    char *zName;
    char *zBasename;
    CollSeq *pColl;
    int cnt;
    NameContext sNC;
    
    /* Get an appropriate name for the column
    */
    p = pEList->a[i].pExpr;
................................................................................
      sqlite3DeleteTable(0, pTab);
      return 0;
    }

    /* Make sure the column name is unique.  If the name is not unique,
    ** append a integer to the name so that it becomes unique.
    */
    zBasename = zName;
    for(j=cnt=0; j<i; j++){
      if( sqlite3StrICmp(aCol[j].zName, zName)==0 ){

        zName = sqlite3MPrintf("%s:%d", zBasename, ++cnt);
        j = -1;
        if( zName==0 ) break;
      }
    }
    if( zBasename!=zName ){
      sqliteFree(zBasename);
    }
    pCol->zName = zName;

    /* Get the typename, type affinity, and collating sequence for the
    ** column.
    */
    memset(&sNC, 0, sizeof(sNC));
    sNC.pSrcList = pSelect->pSrc;







|







 







|







 







|


>
|




<
<
<







8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
....
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
....
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115



1116
1117
1118
1119
1120
1121
1122
**    May you find forgiveness for yourself and forgive others.
**    May you share freely, never taking more than you give.
**
*************************************************************************
** This file contains C code routines that are called by the parser
** to handle SELECT statements in SQLite.
**
** $Id: select.c,v 1.25 2006/10/12 21:34:22 rmsimpson Exp $
*/
#include "sqliteInt.h"


/*
** Delete all the content of a Select structure but do not deallocate
** the select structure itself.
................................................................................
  pTab->nCol = pEList->nExpr;
  assert( pTab->nCol>0 );
  pTab->aCol = aCol = sqliteMalloc( sizeof(pTab->aCol[0])*pTab->nCol );
  for(i=0, pCol=aCol; i<pTab->nCol; i++, pCol++){
    Expr *p, *pR;
    char *zType;
    char *zName;
    int nName;
    CollSeq *pColl;
    int cnt;
    NameContext sNC;
    
    /* Get an appropriate name for the column
    */
    p = pEList->a[i].pExpr;
................................................................................
      sqlite3DeleteTable(0, pTab);
      return 0;
    }

    /* Make sure the column name is unique.  If the name is not unique,
    ** append a integer to the name so that it becomes unique.
    */
    nName = strlen(zName);
    for(j=cnt=0; j<i; j++){
      if( sqlite3StrICmp(aCol[j].zName, zName)==0 ){
        zName[nName] = 0;
        zName = sqlite3MPrintf("%z:%d", zName, ++cnt);
        j = -1;
        if( zName==0 ) break;
      }
    }



    pCol->zName = zName;

    /* Get the typename, type affinity, and collating sequence for the
    ** column.
    */
    memset(&sNC, 0, sizeof(sNC));
    sNC.pSrcList = pSelect->pSrc;

Changes to SQLite.Interop/src/shell.c.

8
9
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12
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15
16
17
18
19
20
21
22
..
48
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58
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231
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243
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...
910
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920

921




922
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927
928
929
930
931
932
933
934





935
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941
....
1558
1559
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1561
1562
1563
1564






1565
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1573
1574











1575
1576
1577
1578
1579
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1581
1582
....
1635
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1638
1639
1640
1641
1642
1643
1644

1645


1646
1647
1648
1649
1650
1651
1652
1653
1654
....
1691
1692
1693
1694
1695
1696
1697
1698
1699
1700
1701
1702
1703
1704
1705
1706
1707
....
1739
1740
1741
1742
1743
1744
1745
1746
1747
1748
1749
1750
1751
1752
1753
....
1764
1765
1766
1767
1768
1769
1770
1771
1772
1773
1774
1775
1776
1777
1778
**    May you find forgiveness for yourself and forgive others.
**    May you share freely, never taking more than you give.
**
*************************************************************************
** This file contains code to implement the "sqlite" command line
** utility for accessing SQLite databases.
**
** $Id: shell.c,v 1.23 2006/08/13 15:56:08 rmsimpson Exp $
*/
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <assert.h>
#include "sqlite3.h"
#include <ctype.h>
................................................................................
# define readline(p) local_getline(p,stdin)
# define add_history(X)
# define read_history(X)
# define write_history(X)
# define stifle_history(X)
#endif




/* Make sure isatty() has a prototype.
*/
extern int isatty();


/*
** The following is the open SQLite database.  We make a pointer
** to this database a static variable so that it can be accessed
** by the SIGINT handler to interrupt database processing.
*/
static sqlite3 *db = 0;
................................................................................
  char nullvalue[20];    /* The text to print when a NULL comes back from
                         ** the database */
  struct previous_mode_data explainPrev;
                         /* Holds the mode information just before
                         ** .explain ON */
  char outfile[FILENAME_MAX]; /* Filename for *out */
  const char *zDbFilename;    /* name of the database file */
  char *zKey;                 /* Encryption key */
};

/*
** These are the allowed modes.
*/
#define MODE_Line     0  /* One column per line.  Blank line between records */
#define MODE_Column   1  /* One record per line in neat columns */
................................................................................
  if( c=='d' && strncmp(azArg[0], "dump", n)==0 ){
    char *zErrMsg = 0;
    open_db(p);
    fprintf(p->out, "BEGIN TRANSACTION;\n");
    if( nArg==1 ){
      run_schema_dump_query(p, 
        "SELECT name, type, sql FROM sqlite_master "
        "WHERE sql NOT NULL AND type=='table'", 0
      );
      run_schema_dump_query(p, 
        "SELECT name, type, sql FROM sqlite_master "

        "WHERE sql NOT NULL AND type!='table' AND type!='meta'", 0




      );
    }else{
      int i;
      for(i=1; i<nArg; i++){
        zShellStatic = azArg[i];
        run_schema_dump_query(p,
          "SELECT name, type, sql FROM sqlite_master "
          "WHERE tbl_name LIKE shellstatic() AND type=='table'"
          "  AND sql NOT NULL", 0);
        run_schema_dump_query(p,
          "SELECT name, type, sql FROM sqlite_master "
          "WHERE tbl_name LIKE shellstatic() AND type!='table'"
          "  AND type!='meta' AND sql NOT NULL", 0);





        zShellStatic = 0;
      }
    }
    if( zErrMsg ){
      fprintf(stderr,"Error: %s\n", zErrMsg);
      sqlite3_free(zErrMsg);
    }else{
................................................................................
  }
#endif

#ifdef __MACOS__
  char home_path[_MAX_PATH+1];
  home_dir = getcwd(home_path, _MAX_PATH);
#endif







  if (!home_dir) {
    home_dir = getenv("HOME");
    if (!home_dir) {
      home_dir = getenv("HOMEPATH"); /* Windows? */
    }
  }

#if defined(_WIN32) || defined(WIN32) || defined(__OS2__)
  if (!home_dir) {











    home_dir = "c:";
  }
#endif

  if( home_dir ){
    char *z = malloc( strlen(home_dir)+1 );
    if( z ) strcpy(z, home_dir);
    home_dir = z;
................................................................................
  "   -column              set output mode to 'column'\n"
  "   -html                set output mode to HTML\n"
  "   -line                set output mode to 'line'\n"
  "   -list                set output mode to 'list'\n"
  "   -separator 'x'       set output field separator (|)\n"
  "   -nullvalue 'text'    set text string for NULL values\n"
  "   -version             show SQLite version\n"
  "   -help                show this text, also show dot-commands\n"
;
static void usage(int showDetail){

  fprintf(stderr, "Usage: %s [OPTIONS] FILENAME [SQL]\n", Argv0);


  if( showDetail ){
    fprintf(stderr, "Options are:\n%s", zOptions);
  }else{
    fprintf(stderr, "Use the -help option for additional information\n");
  }
  exit(1);
}

/*
................................................................................
  for(i=1; i<argc-1; i++){
    if( argv[i][0]!='-' ) break;
    if( strcmp(argv[i],"-separator")==0 || strcmp(argv[i],"-nullvalue")==0 ){
      i++;
    }else if( strcmp(argv[i],"-init")==0 ){
      i++;
      zInitFile = argv[i];
    }else if( strcmp(argv[i],"-key")==0 ){
      i++;
      data.zKey = sqlite3_mprintf("%s",argv[i]);
    }
  }
  if( i<argc ){
    data.zDbFilename = argv[i++];
  }else{
#ifndef SQLITE_OMIT_MEMORYDB
    data.zDbFilename = ":memory:";
................................................................................
  /* Make a second pass through the command-line argument and set
  ** options.  This second pass is delayed until after the initialization
  ** file is processed so that the command-line arguments will override
  ** settings in the initialization file.
  */
  for(i=1; i<argc && argv[i][0]=='-'; i++){
    char *z = argv[i];
    if( strcmp(z,"-init")==0 || strcmp(z,"-key")==0 ){
      i++;
    }else if( strcmp(z,"-html")==0 ){
      data.mode = MODE_Html;
    }else if( strcmp(z,"-list")==0 ){
      data.mode = MODE_List;
    }else if( strcmp(z,"-line")==0 ){
      data.mode = MODE_Line;
................................................................................
    }else if( strcmp(z,"-noheader")==0 ){
      data.showHeader = 0;
    }else if( strcmp(z,"-echo")==0 ){
      data.echoOn = 1;
    }else if( strcmp(z,"-version")==0 ){
      printf("%s\n", sqlite3_libversion());
      return 0;
    }else if( strcmp(z,"-help")==0 ){
      usage(1);
    }else{
      fprintf(stderr,"%s: unknown option: %s\n", Argv0, z);
      fprintf(stderr,"Use -help for a list of options.\n");
      return 1;
    }
  }







|







 







>
>
>



>







 







<







 







|



>
|
>
>
>
>








|




>
>
>
>
>







 







>
>
>
>
>
>



<
<
<




>
>
>
>
>
>
>
>
>
>
>
|







 







<


>
|
>
>

|







 







<
<
<







 







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|







8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
..
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
...
235
236
237
238
239
240
241

242
243
244
245
246
247
248
...
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
....
1571
1572
1573
1574
1575
1576
1577
1578
1579
1580
1581
1582
1583
1584
1585
1586



1587
1588
1589
1590
1591
1592
1593
1594
1595
1596
1597
1598
1599
1600
1601
1602
1603
1604
1605
1606
1607
1608
1609
....
1662
1663
1664
1665
1666
1667
1668

1669
1670
1671
1672
1673
1674
1675
1676
1677
1678
1679
1680
1681
1682
1683
....
1720
1721
1722
1723
1724
1725
1726



1727
1728
1729
1730
1731
1732
1733
....
1765
1766
1767
1768
1769
1770
1771
1772
1773
1774
1775
1776
1777
1778
1779
....
1790
1791
1792
1793
1794
1795
1796
1797
1798
1799
1800
1801
1802
1803
1804
**    May you find forgiveness for yourself and forgive others.
**    May you share freely, never taking more than you give.
**
*************************************************************************
** This file contains code to implement the "sqlite" command line
** utility for accessing SQLite databases.
**
** $Id: shell.c,v 1.24 2006/10/12 21:34:22 rmsimpson Exp $
*/
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <assert.h>
#include "sqlite3.h"
#include <ctype.h>
................................................................................
# define readline(p) local_getline(p,stdin)
# define add_history(X)
# define read_history(X)
# define write_history(X)
# define stifle_history(X)
#endif

#if defined(_WIN32) || defined(WIN32)
# include <io.h>
#else
/* Make sure isatty() has a prototype.
*/
extern int isatty();
#endif

/*
** The following is the open SQLite database.  We make a pointer
** to this database a static variable so that it can be accessed
** by the SIGINT handler to interrupt database processing.
*/
static sqlite3 *db = 0;
................................................................................
  char nullvalue[20];    /* The text to print when a NULL comes back from
                         ** the database */
  struct previous_mode_data explainPrev;
                         /* Holds the mode information just before
                         ** .explain ON */
  char outfile[FILENAME_MAX]; /* Filename for *out */
  const char *zDbFilename;    /* name of the database file */

};

/*
** These are the allowed modes.
*/
#define MODE_Line     0  /* One column per line.  Blank line between records */
#define MODE_Column   1  /* One record per line in neat columns */
................................................................................
  if( c=='d' && strncmp(azArg[0], "dump", n)==0 ){
    char *zErrMsg = 0;
    open_db(p);
    fprintf(p->out, "BEGIN TRANSACTION;\n");
    if( nArg==1 ){
      run_schema_dump_query(p, 
        "SELECT name, type, sql FROM sqlite_master "
        "WHERE sql NOT NULL AND type=='table' AND rootpage!=0", 0
      );
      run_schema_dump_query(p, 
        "SELECT name, type, sql FROM sqlite_master "
        "WHERE sql NOT NULL AND "
        "  AND type!='table' AND type!='meta'", 0
      );
      run_table_dump_query(p->out, p->db,
        "SELECT sql FROM sqlite_master "
        "WHERE sql NOT NULL AND rootpage==0 AND type='table'"
      );
    }else{
      int i;
      for(i=1; i<nArg; i++){
        zShellStatic = azArg[i];
        run_schema_dump_query(p,
          "SELECT name, type, sql FROM sqlite_master "
          "WHERE tbl_name LIKE shellstatic() AND type=='table'"
          "  AND rootpage!=0 AND sql NOT NULL", 0);
        run_schema_dump_query(p,
          "SELECT name, type, sql FROM sqlite_master "
          "WHERE tbl_name LIKE shellstatic() AND type!='table'"
          "  AND type!='meta' AND sql NOT NULL", 0);
        run_table_dump_query(p->out, p->db,
          "SELECT sql FROM sqlite_master "
          "WHERE sql NOT NULL AND rootpage==0 AND type='table'"
          "  AND tbl_name LIKE shellstatic()"
        );
        zShellStatic = 0;
      }
    }
    if( zErrMsg ){
      fprintf(stderr,"Error: %s\n", zErrMsg);
      sqlite3_free(zErrMsg);
    }else{
................................................................................
  }
#endif

#ifdef __MACOS__
  char home_path[_MAX_PATH+1];
  home_dir = getcwd(home_path, _MAX_PATH);
#endif

#if defined(_WIN32) || defined(WIN32) || defined(__OS2__)
  if (!home_dir) {
    home_dir = getenv("USERPROFILE");
  }
#endif

  if (!home_dir) {
    home_dir = getenv("HOME");



  }

#if defined(_WIN32) || defined(WIN32) || defined(__OS2__)
  if (!home_dir) {
    char *zDrive, *zPath;
    int n;
    zDrive = getenv("HOMEDRIVE");
    zPath = getenv("HOMEPATH");
    if( zDrive && zPath ){
      n = strlen(zDrive) + strlen(zPath) + 1;
      home_dir = malloc( n );
      if( home_dir==0 ) return 0;
      sqlite3_snprintf(n, home_dir, "%s%s", zDrive, zPath);
      return home_dir;
    }
    home_dir = "c:\\";
  }
#endif

  if( home_dir ){
    char *z = malloc( strlen(home_dir)+1 );
    if( z ) strcpy(z, home_dir);
    home_dir = z;
................................................................................
  "   -column              set output mode to 'column'\n"
  "   -html                set output mode to HTML\n"
  "   -line                set output mode to 'line'\n"
  "   -list                set output mode to 'list'\n"
  "   -separator 'x'       set output field separator (|)\n"
  "   -nullvalue 'text'    set text string for NULL values\n"
  "   -version             show SQLite version\n"

;
static void usage(int showDetail){
  fprintf(stderr,
      "Usage: %s [OPTIONS] FILENAME [SQL]\n"  
      "FILENAME is the name of an SQLite database. A new database is created\n"
      "if the file does not previously exist.\n", Argv0);
  if( showDetail ){
    fprintf(stderr, "OPTIONS include:\n%s", zOptions);
  }else{
    fprintf(stderr, "Use the -help option for additional information\n");
  }
  exit(1);
}

/*
................................................................................
  for(i=1; i<argc-1; i++){
    if( argv[i][0]!='-' ) break;
    if( strcmp(argv[i],"-separator")==0 || strcmp(argv[i],"-nullvalue")==0 ){
      i++;
    }else if( strcmp(argv[i],"-init")==0 ){
      i++;
      zInitFile = argv[i];



    }
  }
  if( i<argc ){
    data.zDbFilename = argv[i++];
  }else{
#ifndef SQLITE_OMIT_MEMORYDB
    data.zDbFilename = ":memory:";
................................................................................
  /* Make a second pass through the command-line argument and set
  ** options.  This second pass is delayed until after the initialization
  ** file is processed so that the command-line arguments will override
  ** settings in the initialization file.
  */
  for(i=1; i<argc && argv[i][0]=='-'; i++){
    char *z = argv[i];
    if( strcmp(z,"-init")==0 ){
      i++;
    }else if( strcmp(z,"-html")==0 ){
      data.mode = MODE_Html;
    }else if( strcmp(z,"-list")==0 ){
      data.mode = MODE_List;
    }else if( strcmp(z,"-line")==0 ){
      data.mode = MODE_Line;
................................................................................
    }else if( strcmp(z,"-noheader")==0 ){
      data.showHeader = 0;
    }else if( strcmp(z,"-echo")==0 ){
      data.echoOn = 1;
    }else if( strcmp(z,"-version")==0 ){
      printf("%s\n", sqlite3_libversion());
      return 0;
    }else if( strcmp(z,"-help")==0 || strcmp(z, "--help")==0 ){
      usage(1);
    }else{
      fprintf(stderr,"%s: unknown option: %s\n", Argv0, z);
      fprintf(stderr,"Use -help for a list of options.\n");
      return 1;
    }
  }

Changes to SQLite.Interop/src/sqlite3.h.

8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
..
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
..
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
...
194
195
196
197
198
199
200






































201
202
203
204
205
206
207
...
474
475
476
477
478
479
480

481
482
483
484
485
486
487
....
1516
1517
1518
1519
1520
1521
1522




































1523
1524
1525
1526
1527
1528
1529
....
1540
1541
1542
1543
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**    May you find forgiveness for yourself and forgive others.
**    May you share freely, never taking more than you give.
**
*************************************************************************
** This header file defines the interface that the SQLite library
** presents to client programs.
**
** @(#) $Id: sqlite3.h,v 1.24 2006/08/13 15:56:08 rmsimpson Exp $
*/
#ifndef _SQLITE3_H_
#define _SQLITE3_H_
#include <stdarg.h>     /* Needed for the definition of va_list */

/*
** Make sure we can call this stuff from C++.
................................................................................

/*
** The version of the SQLite library.
*/
#ifdef SQLITE_VERSION
# undef SQLITE_VERSION
#endif
#define SQLITE_VERSION         "3.3.7"

/*
** The format of the version string is "X.Y.Z<trailing string>", where
** X is the major version number, Y is the minor version number and Z
** is the release number. The trailing string is often "alpha" or "beta".
** For example "3.1.1beta".
**
................................................................................
** SQLITE_VERSION_NUMBER is set to 3001001. To detect if they are using 
** version 3.1.1 or greater at compile time, programs may use the test 
** (SQLITE_VERSION_NUMBER>=3001001).
*/
#ifdef SQLITE_VERSION_NUMBER
# undef SQLITE_VERSION_NUMBER
#endif
#define SQLITE_VERSION_NUMBER 3003007

/*
** The version string is also compiled into the library so that a program
** can check to make sure that the lib*.a file and the *.h file are from
** the same version.  The sqlite3_libversion() function returns a pointer
** to the sqlite3_version variable - useful in DLLs which cannot access
** global variables.
................................................................................
#define SQLITE_FORMAT      24   /* Auxiliary database format error */
#define SQLITE_RANGE       25   /* 2nd parameter to sqlite3_bind out of range */
#define SQLITE_NOTADB      26   /* File opened that is not a database file */
#define SQLITE_ROW         100  /* sqlite3_step() has another row ready */
#define SQLITE_DONE        101  /* sqlite3_step() has finished executing */
/* end-of-error-codes */







































/*
** Each entry in an SQLite table has a unique integer key.  (The key is
** the value of the INTEGER PRIMARY KEY column if there is such a column,
** otherwise the key is generated at random.  The unique key is always
** available as the ROWID, OID, or _ROWID_ column.)  The following routine
** returns the integer key of the most recent insert in the database.
**
................................................................................
#define SQLITE_ATTACH               24   /* Filename        NULL            */
#define SQLITE_DETACH               25   /* Database Name   NULL            */
#define SQLITE_ALTER_TABLE          26   /* Database Name   Table Name      */
#define SQLITE_REINDEX              27   /* Index Name      NULL            */
#define SQLITE_ANALYZE              28   /* Table Name      NULL            */
#define SQLITE_CREATE_VTABLE        29   /* Table Name      Module Name     */
#define SQLITE_DROP_VTABLE          30   /* Table Name      Module Name     */


/*
** The return value of the authorization function should be one of the
** following constants:
*/
/* #define SQLITE_OK  0   // Allow access (This is actually defined above) */
#define SQLITE_DENY   1   /* Abort the SQL statement with an error */
................................................................................
** and call it with onoff==0 to turn it back off again.
*/
int sqlite3_enable_load_extension(sqlite3 *db, int onoff);

/*
****** EXPERIMENTAL - subject to change without notice **************
**




































** The interface to the virtual-table mechanism is currently considered
** to be experimental.  The interface might change in incompatible ways.
** If this is a problem for you, do not use the interface at this time.
**
** When the virtual-table mechanism stablizes, we will declare the
** interface fixed, support it indefinitely, and remove this comment.
*/
................................................................................
** A module is a class of virtual tables.  Each module is defined
** by an instance of the following structure.  This structure consists
** mostly of methods for the module.
*/
struct sqlite3_module {
  int iVersion;
  int (*xCreate)(sqlite3*, void *pAux,
               int argc, char **argv,
               sqlite3_vtab **ppVTab);
  int (*xConnect)(sqlite3*, void *pAux,
               int argc, char **argv,
               sqlite3_vtab **ppVTab);
  int (*xBestIndex)(sqlite3_vtab *pVTab, sqlite3_index_info*);
  int (*xDisconnect)(sqlite3_vtab *pVTab);
  int (*xDestroy)(sqlite3_vtab *pVTab);
  int (*xOpen)(sqlite3_vtab *pVTab, sqlite3_vtab_cursor **ppCursor);
  int (*xClose)(sqlite3_vtab_cursor*);
  int (*xFilter)(sqlite3_vtab_cursor*, int idxNum, const char *idxStr,
                int argc, sqlite3_value **argv);
................................................................................

/*
** Every module implementation uses a subclass of the following structure
** to describe a particular instance of the module.  Each subclass will
** be taylored to the specific needs of the module implementation.   The
** purpose of this superclass is to define certain fields that are common
** to all module implementations.










*/
struct sqlite3_vtab {
  const sqlite3_module *pModule;  /* The module for this virtual table */
  int nRef;                       /* Used internally */

  /* Virtual table implementations will typically add additional fields */
};

/* Every module implementation uses a subclass of the following structure
** to describe cursors that point into the virtual table and are used
** to loop through the virtual table.  Cursors are created using the
** xOpen method of the module.  Each module implementation will define
................................................................................
/*
** The xCreate and xConnect methods of a module use the following API
** to declare the format (the names and datatypes of the columns) of
** the virtual tables they implement.
*/
int sqlite3_declare_vtab(sqlite3*, const char *zCreateTable);



















/*
** The interface to the virtual-table mechanism defined above (back up
** to a comment remarkably similar to this one) is currently considered
** to be experimental.  The interface might change in incompatible ways.
** If this is a problem for you, do not use the interface at this time.
**
** When the virtual-table mechanism stablizes, we will declare the







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**    May you find forgiveness for yourself and forgive others.
**    May you share freely, never taking more than you give.
**
*************************************************************************
** This header file defines the interface that the SQLite library
** presents to client programs.
**
** @(#) $Id: sqlite3.h,v 1.25 2006/10/12 21:34:22 rmsimpson Exp $
*/
#ifndef _SQLITE3_H_
#define _SQLITE3_H_
#include <stdarg.h>     /* Needed for the definition of va_list */

/*
** Make sure we can call this stuff from C++.
................................................................................

/*
** The version of the SQLite library.
*/
#ifdef SQLITE_VERSION
# undef SQLITE_VERSION
#endif
#define SQLITE_VERSION         "3.3.8"

/*
** The format of the version string is "X.Y.Z<trailing string>", where
** X is the major version number, Y is the minor version number and Z
** is the release number. The trailing string is often "alpha" or "beta".
** For example "3.1.1beta".
**
................................................................................
** SQLITE_VERSION_NUMBER is set to 3001001. To detect if they are using 
** version 3.1.1 or greater at compile time, programs may use the test 
** (SQLITE_VERSION_NUMBER>=3001001).
*/
#ifdef SQLITE_VERSION_NUMBER
# undef SQLITE_VERSION_NUMBER
#endif
#define SQLITE_VERSION_NUMBER 3003008

/*
** The version string is also compiled into the library so that a program
** can check to make sure that the lib*.a file and the *.h file are from
** the same version.  The sqlite3_libversion() function returns a pointer
** to the sqlite3_version variable - useful in DLLs which cannot access
** global variables.
................................................................................
#define SQLITE_FORMAT      24   /* Auxiliary database format error */
#define SQLITE_RANGE       25   /* 2nd parameter to sqlite3_bind out of range */
#define SQLITE_NOTADB      26   /* File opened that is not a database file */
#define SQLITE_ROW         100  /* sqlite3_step() has another row ready */
#define SQLITE_DONE        101  /* sqlite3_step() has finished executing */
/* end-of-error-codes */

/*
** Using the sqlite3_extended_result_codes() API, you can cause
** SQLite to return result codes with additional information in
** their upper bits.  The lower 8 bits will be the same as the
** primary result codes above.  But the upper bits might contain
** more specific error information.
**
** To extract the primary result code from an extended result code,
** simply mask off the lower 8 bits.
**
**        primary = extended & 0xff;
**
** New result error codes may be added from time to time.  Software
** that uses the extended result codes should plan accordingly and be
** sure to always handle new unknown codes gracefully.
**
** The SQLITE_OK result code will never be extended.  It will always
** be exactly zero.
**
** The extended result codes always have the primary result code
** as a prefix.  Primary result codes only contain a single "_"
** character.  Extended result codes contain two or more "_" characters.
*/
#define SQLITE_IOERR_READ          (SQLITE_IOERR | (1<<8))
#define SQLITE_IOERR_SHORT_READ    (SQLITE_IOERR | (2<<8))
#define SQLITE_IOERR_WRITE         (SQLITE_IOERR | (3<<8))
#define SQLITE_IOERR_FSYNC         (SQLITE_IOERR | (4<<8))
#define SQLITE_IOERR_DIR_FSYNC     (SQLITE_IOERR | (5<<8))
#define SQLITE_IOERR_TRUNCATE      (SQLITE_IOERR | (6<<8))
#define SQLITE_IOERR_FSTAT         (SQLITE_IOERR | (7<<8))
#define SQLITE_IOERR_UNLOCK        (SQLITE_IOERR | (8<<8))
#define SQLITE_IOERR_RDLOCK        (SQLITE_IOERR | (9<<8))

/*
** Enable or disable the extended result codes.
*/
int sqlite3_extended_result_codes(sqlite3*, int onoff);

/*
** Each entry in an SQLite table has a unique integer key.  (The key is
** the value of the INTEGER PRIMARY KEY column if there is such a column,
** otherwise the key is generated at random.  The unique key is always
** available as the ROWID, OID, or _ROWID_ column.)  The following routine
** returns the integer key of the most recent insert in the database.
**
................................................................................
#define SQLITE_ATTACH               24   /* Filename        NULL            */
#define SQLITE_DETACH               25   /* Database Name   NULL            */
#define SQLITE_ALTER_TABLE          26   /* Database Name   Table Name      */
#define SQLITE_REINDEX              27   /* Index Name      NULL            */
#define SQLITE_ANALYZE              28   /* Table Name      NULL            */
#define SQLITE_CREATE_VTABLE        29   /* Table Name      Module Name     */
#define SQLITE_DROP_VTABLE          30   /* Table Name      Module Name     */
#define SQLITE_FUNCTION             31   /* Function Name   NULL            */

/*
** The return value of the authorization function should be one of the
** following constants:
*/
/* #define SQLITE_OK  0   // Allow access (This is actually defined above) */
#define SQLITE_DENY   1   /* Abort the SQL statement with an error */
................................................................................
** and call it with onoff==0 to turn it back off again.
*/
int sqlite3_enable_load_extension(sqlite3 *db, int onoff);

/*
****** EXPERIMENTAL - subject to change without notice **************
**
** Register an extension entry point that is automatically invoked
** whenever a new database connection is opened.
**
** This API can be invoked at program startup in order to register
** one or more statically linked extensions that will be available
** to all new database connections.
**
** Duplicate extensions are detected so calling this routine multiple
** times with the same extension is harmless.
**
** This routine stores a pointer to the extension in an array
** that is obtained from malloc().  If you run a memory leak
** checker on your program and it reports a leak because of this
** array, then invoke sqlite3_automatic_extension_reset() prior
** to shutdown to free the memory.
**
** Automatic extensions apply across all threads.
*/
int sqlite3_auto_extension(void *xEntryPoint);


/*
****** EXPERIMENTAL - subject to change without notice **************
**
** Disable all previously registered automatic extensions.  This
** routine undoes the effect of all prior sqlite3_automatic_extension()
** calls.
**
** This call disabled automatic extensions in all threads.
*/
void sqlite3_reset_auto_extension(void);


/*
****** EXPERIMENTAL - subject to change without notice **************
**
** The interface to the virtual-table mechanism is currently considered
** to be experimental.  The interface might change in incompatible ways.
** If this is a problem for you, do not use the interface at this time.
**
** When the virtual-table mechanism stablizes, we will declare the
** interface fixed, support it indefinitely, and remove this comment.
*/
................................................................................
** A module is a class of virtual tables.  Each module is defined
** by an instance of the following structure.  This structure consists
** mostly of methods for the module.
*/
struct sqlite3_module {
  int iVersion;
  int (*xCreate)(sqlite3*, void *pAux,
               int argc, const char *const*argv,
               sqlite3_vtab **ppVTab, char**);
  int (*xConnect)(sqlite3*, void *pAux,
               int argc, const char *const*argv,
               sqlite3_vtab **ppVTab, char**);
  int (*xBestIndex)(sqlite3_vtab *pVTab, sqlite3_index_info*);
  int (*xDisconnect)(sqlite3_vtab *pVTab);
  int (*xDestroy)(sqlite3_vtab *pVTab);
  int (*xOpen)(sqlite3_vtab *pVTab, sqlite3_vtab_cursor **ppCursor);
  int (*xClose)(sqlite3_vtab_cursor*);
  int (*xFilter)(sqlite3_vtab_cursor*, int idxNum, const char *idxStr,
                int argc, sqlite3_value **argv);
................................................................................

/*
** Every module implementation uses a subclass of the following structure
** to describe a particular instance of the module.  Each subclass will
** be taylored to the specific needs of the module implementation.   The
** purpose of this superclass is to define certain fields that are common
** to all module implementations.
**
** Virtual tables methods can set an error message by assigning a
** string obtained from sqlite3_mprintf() to zErrMsg.  The method should
** take care that any prior string is freed by a call to sqlite3_free()
** prior to assigning a new string to zErrMsg.  After the error message
** is delivered up to the client application, the string will be automatically
** freed by sqlite3_free() and the zErrMsg field will be zeroed.  Note
** that sqlite3_mprintf() and sqlite3_free() are used on the zErrMsg field
** since virtual tables are commonly implemented in loadable extensions which
** do not have access to sqlite3MPrintf() or sqlite3Free().
*/
struct sqlite3_vtab {
  const sqlite3_module *pModule;  /* The module for this virtual table */
  int nRef;                       /* Used internally */
  char *zErrMsg;                  /* Error message from sqlite3_mprintf() */
  /* Virtual table implementations will typically add additional fields */
};

/* Every module implementation uses a subclass of the following structure
** to describe cursors that point into the virtual table and are used
** to loop through the virtual table.  Cursors are created using the
** xOpen method of the module.  Each module implementation will define
................................................................................
/*
** The xCreate and xConnect methods of a module use the following API
** to declare the format (the names and datatypes of the columns) of
** the virtual tables they implement.
*/
int sqlite3_declare_vtab(sqlite3*, const char *zCreateTable);

/*
** Virtual tables can provide alternative implementations of functions
** using the xFindFunction method.  But global versions of those functions
** must exist in order to be overloaded.
**
** This API makes sure a global version of a function with a particular
** name and number of parameters exists.  If no such function exists
** before this API is called, a new function is created.  The implementation
** of the new function always causes an exception to be thrown.  So
** the new function is not good for anything by itself.  Its only
** purpose is to be a place-holder function that can be overloaded
** by virtual tables.
**
** This API should be considered part of the virtual table interface,
** which is experimental and subject to change.
*/
int sqlite3_overload_function(sqlite3*, const char *zFuncName, int nArg);

/*
** The interface to the virtual-table mechanism defined above (back up
** to a comment remarkably similar to this one) is currently considered
** to be experimental.  The interface might change in incompatible ways.
** If this is a problem for you, do not use the interface at this time.
**
** When the virtual-table mechanism stablizes, we will declare the

Changes to SQLite.Interop/src/sqlite3ext.h.

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12
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*************************************************************************
** This header file defines the SQLite interface for use by
** shared libraries that want to be imported as extensions into
** an SQLite instance.  Shared libraries that intend to be loaded
** as extensions by SQLite should #include this file instead of 
** sqlite3.h.
**
** @(#) $Id: sqlite3ext.h,v 1.1 2006/08/13 15:56:08 rmsimpson Exp $
*/
#ifndef _SQLITE3EXT_H_
#define _SQLITE3EXT_H_
#include "sqlite3.h"

typedef struct sqlite3_api_routines sqlite3_api_routines;

................................................................................
  int  (*value_numeric_type)(sqlite3_value*);
  const unsigned char * (*value_text)(sqlite3_value*);
  const void * (*value_text16)(sqlite3_value*);
  const void * (*value_text16be)(sqlite3_value*);
  const void * (*value_text16le)(sqlite3_value*);
  int  (*value_type)(sqlite3_value*);
  char * (*vmprintf)(const char*,va_list);

};

/*
** The following macros redefine the API routines so that they are
** redirected throught the global sqlite3_api structure.
**
** This header file is also used by the loadext.c source file
................................................................................
#define sqlite3_value_numeric_type     sqlite3_api->value_numeric_type
#define sqlite3_value_text             sqlite3_api->value_text
#define sqlite3_value_text16           sqlite3_api->value_text16
#define sqlite3_value_text16be         sqlite3_api->value_text16be
#define sqlite3_value_text16le         sqlite3_api->value_text16le
#define sqlite3_value_type             sqlite3_api->value_type
#define sqlite3_vmprintf               sqlite3_api->vmprintf

#endif /* SQLITE_CORE */

#define SQLITE_EXTENSION_INIT1     const sqlite3_api_routines *sqlite3_api;
#define SQLITE_EXTENSION_INIT2(v)  sqlite3_api = v;

#endif /* _SQLITE3EXT_H_ */







|







 







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>






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*************************************************************************
** This header file defines the SQLite interface for use by
** shared libraries that want to be imported as extensions into
** an SQLite instance.  Shared libraries that intend to be loaded
** as extensions by SQLite should #include this file instead of 
** sqlite3.h.
**
** @(#) $Id: sqlite3ext.h,v 1.2 2006/10/12 21:34:22 rmsimpson Exp $
*/
#ifndef _SQLITE3EXT_H_
#define _SQLITE3EXT_H_
#include "sqlite3.h"

typedef struct sqlite3_api_routines sqlite3_api_routines;

................................................................................
  int  (*value_numeric_type)(sqlite3_value*);
  const unsigned char * (*value_text)(sqlite3_value*);
  const void * (*value_text16)(sqlite3_value*);
  const void * (*value_text16be)(sqlite3_value*);
  const void * (*value_text16le)(sqlite3_value*);
  int  (*value_type)(sqlite3_value*);
  char * (*vmprintf)(const char*,va_list);
  int (*overload_function)(sqlite3*, const char *zFuncName, int nArg);
};

/*
** The following macros redefine the API routines so that they are
** redirected throught the global sqlite3_api structure.
**
** This header file is also used by the loadext.c source file
................................................................................
#define sqlite3_value_numeric_type     sqlite3_api->value_numeric_type
#define sqlite3_value_text             sqlite3_api->value_text
#define sqlite3_value_text16           sqlite3_api->value_text16
#define sqlite3_value_text16be         sqlite3_api->value_text16be
#define sqlite3_value_text16le         sqlite3_api->value_text16le
#define sqlite3_value_type             sqlite3_api->value_type
#define sqlite3_vmprintf               sqlite3_api->vmprintf
#define sqlite3_overload_function      sqlite3_api->overload_function
#endif /* SQLITE_CORE */

#define SQLITE_EXTENSION_INIT1     const sqlite3_api_routines *sqlite3_api;
#define SQLITE_EXTENSION_INIT2(v)  sqlite3_api = v;

#endif /* _SQLITE3EXT_H_ */

Changes to SQLite.Interop/src/sqliteInt.h.

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**    May you do good and not evil.
**    May you find forgiveness for yourself and forgive others.
**    May you share freely, never taking more than you give.
**
*************************************************************************
** Internal interface definitions for SQLite.
**
** @(#) $Id: sqliteInt.h,v 1.23 2006/08/13 15:56:08 rmsimpson Exp $
*/
#ifndef _SQLITEINT_H_
#define _SQLITEINT_H_

/*
** Extra interface definitions for those who need them
*/
................................................................................
** consistently.
*/
struct sqlite3 {
  int nDb;                      /* Number of backends currently in use */
  Db *aDb;                      /* All backends */
  int flags;                    /* Miscellanous flags. See below */
  int errCode;                  /* Most recent error code (SQLITE_*) */

  u8 autoCommit;                /* The auto-commit flag. */
  u8 temp_store;                /* 1: file 2: memory 0: default */
  int nTable;                   /* Number of tables in the database */
  CollSeq *pDfltColl;           /* The default collating sequence (BINARY) */
  i64 lastRowid;                /* ROWID of most recent insert (see above) */
  i64 priorNewRowid;            /* Last randomly generated ROWID */
  int magic;                    /* Magic number for detect library misuse */
................................................................................

/*
** A pointer to this structure is used to communicate information
** from sqlite3Init and OP_ParseSchema into the sqlite3InitCallback.
*/
typedef struct {
  sqlite3 *db;        /* The database being initialized */

  char **pzErrMsg;    /* Error message stored here */
  int rc;             /* Result code stored here */
} InitData;

/*
 * This global flag is set for performance testing of triggers. When it is set
 * SQLite will perform the overhead of building new and old trigger references 
................................................................................
void sqlite3AddPrimaryKey(Parse*, ExprList*, int, int, int);
void sqlite3AddCheckConstraint(Parse*, Expr*);
void sqlite3AddColumnType(Parse*,Token*);
void sqlite3AddDefaultValue(Parse*,Expr*);
void sqlite3AddCollateType(Parse*, const char*, int);
void sqlite3EndTable(Parse*,Token*,Token*,Select*);

void sqlite3CreateView(Parse*,Token*,Token*,Token*,Select*,int);

#if !defined(SQLITE_OMIT_VIEW) || !defined(SQLITE_OMIT_VIRTUALTABLE)
  int sqlite3ViewGetColumnNames(Parse*,Table*);
#else
# define sqlite3ViewGetColumnNames(A,B) 0
#endif

................................................................................
int sqlite3SafetyOn(sqlite3*);
int sqlite3SafetyOff(sqlite3*);
int sqlite3SafetyCheck(sqlite3*);
void sqlite3ChangeCookie(sqlite3*, Vdbe*, int);

#ifndef SQLITE_OMIT_TRIGGER
  void sqlite3BeginTrigger(Parse*, Token*,Token*,int,int,IdList*,SrcList*,
                           int,Expr*,int);
  void sqlite3FinishTrigger(Parse*, TriggerStep*, Token*);
  void sqlite3DropTrigger(Parse*, SrcList*);
  void sqlite3DropTriggerPtr(Parse*, Trigger*);
  int sqlite3TriggersExist(Parse*, Table*, int, ExprList*);
  int sqlite3CodeRowTrigger(Parse*, int, ExprList*, int, Table *, int, int, 
                           int, int);
  void sqliteViewTriggers(Parse*, Table*, Expr*, int, ExprList*);
  void sqlite3DeleteTriggerStep(TriggerStep*);
  TriggerStep *sqlite3TriggerSelectStep(Select*);
................................................................................
int sqlite3MallocFailed(void);
void sqlite3FailedMalloc(void);
void sqlite3AbortOtherActiveVdbes(sqlite3 *, Vdbe *);
int sqlite3OpenTempDatabase(Parse *);

#ifndef SQLITE_OMIT_LOAD_EXTENSION
  void sqlite3CloseExtensions(sqlite3*);

#else
# define sqlite3CloseExtensions(X)

#endif

#ifndef SQLITE_OMIT_SHARED_CACHE
  void sqlite3TableLock(Parse *, int, int, u8, const char *);
#else
  #define sqlite3TableLock(v,w,x,y,z)
#endif
................................................................................
#  define sqlite3VtabCommit(X)
#else
   void sqlite3VtabClear(Table*);
   int sqlite3VtabSync(sqlite3 *db, int rc);
   int sqlite3VtabRollback(sqlite3 *db);
   int sqlite3VtabCommit(sqlite3 *db);
#endif


void sqlite3VtabBeginParse(Parse*, Token*, Token*, Token*);
void sqlite3VtabFinishParse(Parse*, Token*);
void sqlite3VtabArgInit(Parse*);
void sqlite3VtabArgExtend(Parse*, Token*);
int sqlite3VtabCallCreate(sqlite3*, int, const char *, char **);
int sqlite3VtabCallConnect(Parse*, Table*);
int sqlite3VtabCallDestroy(sqlite3*, int, const char *);
int sqlite3VtabBegin(sqlite3 *, sqlite3_vtab *);
FuncDef *sqlite3VtabOverloadFunction(FuncDef*, int nArg, Expr*);


#ifdef SQLITE_SSE
#include "sseInt.h"
#endif

#endif







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**    May you do good and not evil.
**    May you find forgiveness for yourself and forgive others.
**    May you share freely, never taking more than you give.
**
*************************************************************************
** Internal interface definitions for SQLite.
**
** @(#) $Id: sqliteInt.h,v 1.24 2006/10/12 21:34:22 rmsimpson Exp $
*/
#ifndef _SQLITEINT_H_
#define _SQLITEINT_H_

/*
** Extra interface definitions for those who need them
*/
................................................................................
** consistently.
*/
struct sqlite3 {
  int nDb;                      /* Number of backends currently in use */
  Db *aDb;                      /* All backends */
  int flags;                    /* Miscellanous flags. See below */
  int errCode;                  /* Most recent error code (SQLITE_*) */
  int errMask;                  /* & result codes with this before returning */
  u8 autoCommit;                /* The auto-commit flag. */
  u8 temp_store;                /* 1: file 2: memory 0: default */
  int nTable;                   /* Number of tables in the database */
  CollSeq *pDfltColl;           /* The default collating sequence (BINARY) */
  i64 lastRowid;                /* ROWID of most recent insert (see above) */
  i64 priorNewRowid;            /* Last randomly generated ROWID */
  int magic;                    /* Magic number for detect library misuse */
................................................................................

/*
** A pointer to this structure is used to communicate information
** from sqlite3Init and OP_ParseSchema into the sqlite3InitCallback.
*/
typedef struct {
  sqlite3 *db;        /* The database being initialized */
  int iDb;            /* 0 for main database.  1 for TEMP, 2.. for ATTACHed */
  char **pzErrMsg;    /* Error message stored here */
  int rc;             /* Result code stored here */
} InitData;

/*
 * This global flag is set for performance testing of triggers. When it is set
 * SQLite will perform the overhead of building new and old trigger references 
................................................................................
void sqlite3AddPrimaryKey(Parse*, ExprList*, int, int, int);
void sqlite3AddCheckConstraint(Parse*, Expr*);
void sqlite3AddColumnType(Parse*,Token*);
void sqlite3AddDefaultValue(Parse*,Expr*);
void sqlite3AddCollateType(Parse*, const char*, int);
void sqlite3EndTable(Parse*,Token*,Token*,Select*);

void sqlite3CreateView(Parse*,Token*,Token*,Token*,Select*,int,int);

#if !defined(SQLITE_OMIT_VIEW) || !defined(SQLITE_OMIT_VIRTUALTABLE)
  int sqlite3ViewGetColumnNames(Parse*,Table*);
#else
# define sqlite3ViewGetColumnNames(A,B) 0
#endif

................................................................................
int sqlite3SafetyOn(sqlite3*);
int sqlite3SafetyOff(sqlite3*);
int sqlite3SafetyCheck(sqlite3*);
void sqlite3ChangeCookie(sqlite3*, Vdbe*, int);

#ifndef SQLITE_OMIT_TRIGGER
  void sqlite3BeginTrigger(Parse*, Token*,Token*,int,int,IdList*,SrcList*,
                           int,Expr*,int, int);
  void sqlite3FinishTrigger(Parse*, TriggerStep*, Token*);
  void sqlite3DropTrigger(Parse*, SrcList*, int);
  void sqlite3DropTriggerPtr(Parse*, Trigger*);
  int sqlite3TriggersExist(Parse*, Table*, int, ExprList*);
  int sqlite3CodeRowTrigger(Parse*, int, ExprList*, int, Table *, int, int, 
                           int, int);
  void sqliteViewTriggers(Parse*, Table*, Expr*, int, ExprList*);
  void sqlite3DeleteTriggerStep(TriggerStep*);
  TriggerStep *sqlite3TriggerSelectStep(Select*);
................................................................................
int sqlite3MallocFailed(void);
void sqlite3FailedMalloc(void);
void sqlite3AbortOtherActiveVdbes(sqlite3 *, Vdbe *);
int sqlite3OpenTempDatabase(Parse *);

#ifndef SQLITE_OMIT_LOAD_EXTENSION
  void sqlite3CloseExtensions(sqlite3*);
  int sqlite3AutoLoadExtensions(sqlite3*);
#else
# define sqlite3CloseExtensions(X)
# define sqlite3AutoLoadExtensions(X)  SQLITE_OK
#endif

#ifndef SQLITE_OMIT_SHARED_CACHE
  void sqlite3TableLock(Parse *, int, int, u8, const char *);
#else
  #define sqlite3TableLock(v,w,x,y,z)
#endif
................................................................................
#  define sqlite3VtabCommit(X)
#else
   void sqlite3VtabClear(Table*);
   int sqlite3VtabSync(sqlite3 *db, int rc);
   int sqlite3VtabRollback(sqlite3 *db);
   int sqlite3VtabCommit(sqlite3 *db);
#endif
void sqlite3VtabLock(sqlite3_vtab*);
void sqlite3VtabUnlock(sqlite3_vtab*);
void sqlite3VtabBeginParse(Parse*, Token*, Token*, Token*);
void sqlite3VtabFinishParse(Parse*, Token*);
void sqlite3VtabArgInit(Parse*);
void sqlite3VtabArgExtend(Parse*, Token*);
int sqlite3VtabCallCreate(sqlite3*, int, const char *, char **);
int sqlite3VtabCallConnect(Parse*, Table*);
int sqlite3VtabCallDestroy(sqlite3*, int, const char *);
int sqlite3VtabBegin(sqlite3 *, sqlite3_vtab *);
FuncDef *sqlite3VtabOverloadFunction(FuncDef*, int nArg, Expr*);
void sqlite3InvalidFunction(sqlite3_context*,int,sqlite3_value**);

#ifdef SQLITE_SSE
#include "sseInt.h"
#endif

#endif

Changes to SQLite.Interop/src/table.c.

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  if( res.azResult==0 ) return SQLITE_NOMEM;
  res.azResult[0] = 0;
  rc = sqlite3_exec(db, zSql, sqlite3_get_table_cb, &res, pzErrMsg);
  if( res.azResult ){
    assert( sizeof(res.azResult[0])>= sizeof(res.nData) );
    res.azResult[0] = (char*)res.nData;
  }
  if( rc==SQLITE_ABORT ){
    sqlite3_free_table(&res.azResult[1]);
    if( res.zErrMsg ){
      if( pzErrMsg ){
        sqlite3_free(*pzErrMsg);
        *pzErrMsg = sqlite3_mprintf("%s",res.zErrMsg);
      }
      sqliteFree(res.zErrMsg);
    }
    db->errCode = res.rc;
    return res.rc;
  }
  sqliteFree(res.zErrMsg);
  if( rc!=SQLITE_OK ){
    sqlite3_free_table(&res.azResult[1]);
    return rc;
  }
  if( res.nAlloc>res.nData ){
    char **azNew;
    azNew = sqlite3_realloc( res.azResult, sizeof(char*)*(res.nData+1) );
    if( azNew==0 ){
      sqlite3_free_table(&res.azResult[1]);
      return SQLITE_NOMEM;
................................................................................
    }
    res.nAlloc = res.nData+1;
    res.azResult = azNew;
  }
  *pazResult = &res.azResult[1];
  if( pnColumn ) *pnColumn = res.nColumn;
  if( pnRow ) *pnRow = res.nRow;
  return rc;
}

/*
** This routine frees the space the sqlite3_get_table() malloced.
*/
void sqlite3_free_table(
  char **azResult            /* Result returned from from sqlite3_get_table() */







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  if( res.azResult==0 ) return SQLITE_NOMEM;
  res.azResult[0] = 0;
  rc = sqlite3_exec(db, zSql, sqlite3_get_table_cb, &res, pzErrMsg);
  if( res.azResult ){
    assert( sizeof(res.azResult[0])>= sizeof(res.nData) );
    res.azResult[0] = (char*)res.nData;
  }
  if( (rc&0xff)==SQLITE_ABORT ){
    sqlite3_free_table(&res.azResult[1]);
    if( res.zErrMsg ){
      if( pzErrMsg ){
        sqlite3_free(*pzErrMsg);
        *pzErrMsg = sqlite3_mprintf("%s",res.zErrMsg);
      }
      sqliteFree(res.zErrMsg);
    }
    db->errCode = res.rc;
    return res.rc & db->errMask;
  }
  sqliteFree(res.zErrMsg);
  if( rc!=SQLITE_OK ){
    sqlite3_free_table(&res.azResult[1]);
    return rc & db->errMask;
  }
  if( res.nAlloc>res.nData ){
    char **azNew;
    azNew = sqlite3_realloc( res.azResult, sizeof(char*)*(res.nData+1) );
    if( azNew==0 ){
      sqlite3_free_table(&res.azResult[1]);
      return SQLITE_NOMEM;
................................................................................
    }
    res.nAlloc = res.nData+1;
    res.azResult = azNew;
  }
  *pazResult = &res.azResult[1];
  if( pnColumn ) *pnColumn = res.nColumn;
  if( pnRow ) *pnRow = res.nRow;
  return rc & db->errMask;
}

/*
** This routine frees the space the sqlite3_get_table() malloced.
*/
void sqlite3_free_table(
  char **azResult            /* Result returned from from sqlite3_get_table() */

Changes to SQLite.Interop/src/tclsqlite.c.

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**    May you do good and not evil.
**    May you find forgiveness for yourself and forgive others.
**    May you share freely, never taking more than you give.
**
*************************************************************************
** A TCL Interface to SQLite
**
** $Id: tclsqlite.c,v 1.23 2006/08/13 15:56:08 rmsimpson Exp $
*/
#ifndef NO_TCL     /* Omit this whole file if TCL is unavailable */

#include "sqliteInt.h"
#include "hash.h"
#include "tcl.h"
#include <stdlib.h>
................................................................................
    case SQLITE_ATTACH            : zCode="SQLITE_ATTACH"; break;
    case SQLITE_DETACH            : zCode="SQLITE_DETACH"; break;
    case SQLITE_ALTER_TABLE       : zCode="SQLITE_ALTER_TABLE"; break;
    case SQLITE_REINDEX           : zCode="SQLITE_REINDEX"; break;
    case SQLITE_ANALYZE           : zCode="SQLITE_ANALYZE"; break;
    case SQLITE_CREATE_VTABLE     : zCode="SQLITE_CREATE_VTABLE"; break;
    case SQLITE_DROP_VTABLE       : zCode="SQLITE_DROP_VTABLE"; break;

    default                       : zCode="????"; break;
  }
  Tcl_DStringInit(&str);
  Tcl_DStringAppend(&str, pDb->zAuth, -1);
  Tcl_DStringAppendElement(&str, zCode);
  Tcl_DStringAppendElement(&str, zArg1 ? zArg1 : "");
  Tcl_DStringAppendElement(&str, zArg2 ? zArg2 : "");
................................................................................
    }
    zConflict = Tcl_GetStringFromObj(objv[2], 0);
    zTable = Tcl_GetStringFromObj(objv[3], 0);
    zFile = Tcl_GetStringFromObj(objv[4], 0);
    nSep = strlen(zSep);
    nNull = strlen(zNull);
    if( nSep==0 ){
      Tcl_AppendResult(interp, "Error: non-null separator required for copy", 0);
      return TCL_ERROR;
    }
    if(sqlite3StrICmp(zConflict, "rollback") != 0 &&
       sqlite3StrICmp(zConflict, "abort"   ) != 0 &&
       sqlite3StrICmp(zConflict, "fail"    ) != 0 &&
       sqlite3StrICmp(zConflict, "ignore"  ) != 0 &&
       sqlite3StrICmp(zConflict, "replace" ) != 0 ) {
................................................................................
static int DbMain(void *cd, Tcl_Interp *interp, int objc,Tcl_Obj *const*objv){
  SqliteDb *p;
  void *pKey = 0;
  int nKey = 0;
  const char *zArg;
  char *zErrMsg;
  const char *zFile;

  if( objc==2 ){
    zArg = Tcl_GetStringFromObj(objv[1], 0);
    if( strcmp(zArg,"-version")==0 ){
      Tcl_AppendResult(interp,sqlite3_version,0);
      return TCL_OK;
    }
    if( strcmp(zArg,"-has-codec")==0 ){
................................................................................
  p = (SqliteDb*)Tcl_Alloc( sizeof(*p) );
  if( p==0 ){
    Tcl_SetResult(interp, "malloc failed", TCL_STATIC);
    return TCL_ERROR;
  }
  memset(p, 0, sizeof(*p));
  zFile = Tcl_GetStringFromObj(objv[2], 0);

  sqlite3_open(zFile, &p->db);

  if( SQLITE_OK!=sqlite3_errcode(p->db) ){
    zErrMsg = strdup(sqlite3_errmsg(p->db));
    sqlite3_close(p->db);
    p->db = 0;
  }
#ifdef SQLITE_HAS_CODEC
  sqlite3_key(p->db, pKey, nKey);
................................................................................
  if( p->db==0 ){
    Tcl_SetResult(interp, zErrMsg, TCL_VOLATILE);
    Tcl_Free((char*)p);
    free(zErrMsg);
    return TCL_ERROR;
  }
  p->maxStmt = NUM_PREPARED_STMTS;

  zArg = Tcl_GetStringFromObj(objv[1], 0);
  Tcl_CreateObjCommand(interp, zArg, DbObjCmd, (char*)p, DbDeleteCmd);

  /* If compiled with SQLITE_TEST turned on, then register the "md5sum"
  ** SQL function.
  */
#ifdef SQLITE_TEST
................................................................................
#endif
    Md5_Register(p->db);
#ifdef SQLITE_MEMDEBUG
    sqlite3_iMallocFail = mallocfail;
#endif
  }
#endif  
  p->interp = interp;
  return TCL_OK;
}

/*
** Provide a dummy Tcl_InitStubs if we are using this as a static
** library.
*/
................................................................................
    extern int Sqlitetest7_Init(Tcl_Interp*);
    extern int Sqlitetest8_Init(Tcl_Interp*);
    extern int Md5_Init(Tcl_Interp*);
    extern int Sqlitetestsse_Init(Tcl_Interp*);
    extern int Sqlitetestasync_Init(Tcl_Interp*);
    extern int Sqlitetesttclvar_Init(Tcl_Interp*);
    extern int Sqlitetestschema_Init(Tcl_Interp*);


    Sqlitetest1_Init(interp);
    Sqlitetest2_Init(interp);
    Sqlitetest3_Init(interp);
    Sqlitetest4_Init(interp);
    Sqlitetest5_Init(interp);
    Sqlitetest6_Init(interp);
    Sqlitetest7_Init(interp);
    Sqlitetest8_Init(interp);
    Sqlitetestasync_Init(interp);
    Sqlitetesttclvar_Init(interp);
    Sqlitetestschema_Init(interp);

    Md5_Init(interp);
#ifdef SQLITE_SSE
    Sqlitetestsse_Init(interp);
#endif
  }
#endif
  if( argc>=2 || TCLSH==2 ){
    int i;



    Tcl_SetVar(interp,"argv0",argv[1],TCL_GLOBAL_ONLY);
    Tcl_SetVar(interp,"argv", "", TCL_GLOBAL_ONLY);
    for(i=3-TCLSH; i<argc; i++){
      Tcl_SetVar(interp, "argv", argv[i],
          TCL_GLOBAL_ONLY | TCL_LIST_ELEMENT | TCL_APPEND_VALUE);
    }
    if( TCLSH==1 && Tcl_EvalFile(interp, argv[1])!=TCL_OK ){







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....
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1038
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1041
1042
1043
1044
1045
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....
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....
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**    May you do good and not evil.
**    May you find forgiveness for yourself and forgive others.
**    May you share freely, never taking more than you give.
**
*************************************************************************
** A TCL Interface to SQLite
**
** $Id: tclsqlite.c,v 1.24 2006/10/12 21:34:22 rmsimpson Exp $
*/
#ifndef NO_TCL     /* Omit this whole file if TCL is unavailable */

#include "sqliteInt.h"
#include "hash.h"
#include "tcl.h"
#include <stdlib.h>
................................................................................
    case SQLITE_ATTACH            : zCode="SQLITE_ATTACH"; break;
    case SQLITE_DETACH            : zCode="SQLITE_DETACH"; break;
    case SQLITE_ALTER_TABLE       : zCode="SQLITE_ALTER_TABLE"; break;
    case SQLITE_REINDEX           : zCode="SQLITE_REINDEX"; break;
    case SQLITE_ANALYZE           : zCode="SQLITE_ANALYZE"; break;
    case SQLITE_CREATE_VTABLE     : zCode="SQLITE_CREATE_VTABLE"; break;
    case SQLITE_DROP_VTABLE       : zCode="SQLITE_DROP_VTABLE"; break;
    case SQLITE_FUNCTION          : zCode="SQLITE_FUNCTION"; break;
    default                       : zCode="????"; break;
  }
  Tcl_DStringInit(&str);
  Tcl_DStringAppend(&str, pDb->zAuth, -1);
  Tcl_DStringAppendElement(&str, zCode);
  Tcl_DStringAppendElement(&str, zArg1 ? zArg1 : "");
  Tcl_DStringAppendElement(&str, zArg2 ? zArg2 : "");
................................................................................
    }
    zConflict = Tcl_GetStringFromObj(objv[2], 0);
    zTable = Tcl_GetStringFromObj(objv[3], 0);
    zFile = Tcl_GetStringFromObj(objv[4], 0);
    nSep = strlen(zSep);
    nNull = strlen(zNull);
    if( nSep==0 ){
      Tcl_AppendResult(interp,"Error: non-null separator required for copy",0);
      return TCL_ERROR;
    }
    if(sqlite3StrICmp(zConflict, "rollback") != 0 &&
       sqlite3StrICmp(zConflict, "abort"   ) != 0 &&
       sqlite3StrICmp(zConflict, "fail"    ) != 0 &&
       sqlite3StrICmp(zConflict, "ignore"  ) != 0 &&
       sqlite3StrICmp(zConflict, "replace" ) != 0 ) {
................................................................................
static int DbMain(void *cd, Tcl_Interp *interp, int objc,Tcl_Obj *const*objv){
  SqliteDb *p;
  void *pKey = 0;
  int nKey = 0;
  const char *zArg;
  char *zErrMsg;
  const char *zFile;
  Tcl_DString translatedFilename;
  if( objc==2 ){
    zArg = Tcl_GetStringFromObj(objv[1], 0);
    if( strcmp(zArg,"-version")==0 ){
      Tcl_AppendResult(interp,sqlite3_version,0);
      return TCL_OK;
    }
    if( strcmp(zArg,"-has-codec")==0 ){
................................................................................
  p = (SqliteDb*)Tcl_Alloc( sizeof(*p) );
  if( p==0 ){
    Tcl_SetResult(interp, "malloc failed", TCL_STATIC);
    return TCL_ERROR;
  }
  memset(p, 0, sizeof(*p));
  zFile = Tcl_GetStringFromObj(objv[2], 0);
  zFile = Tcl_TranslateFileName(interp, zFile, &translatedFilename);
  sqlite3_open(zFile, &p->db);
  Tcl_DStringFree(&translatedFilename);
  if( SQLITE_OK!=sqlite3_errcode(p->db) ){
    zErrMsg = strdup(sqlite3_errmsg(p->db));
    sqlite3_close(p->db);
    p->db = 0;
  }
#ifdef SQLITE_HAS_CODEC
  sqlite3_key(p->db, pKey, nKey);
................................................................................
  if( p->db==0 ){
    Tcl_SetResult(interp, zErrMsg, TCL_VOLATILE);
    Tcl_Free((char*)p);
    free(zErrMsg);
    return TCL_ERROR;
  }
  p->maxStmt = NUM_PREPARED_STMTS;
  p->interp = interp;
  zArg = Tcl_GetStringFromObj(objv[1], 0);
  Tcl_CreateObjCommand(interp, zArg, DbObjCmd, (char*)p, DbDeleteCmd);

  /* If compiled with SQLITE_TEST turned on, then register the "md5sum"
  ** SQL function.
  */
#ifdef SQLITE_TEST
................................................................................
#endif
    Md5_Register(p->db);
#ifdef SQLITE_MEMDEBUG
    sqlite3_iMallocFail = mallocfail;
#endif
  }
#endif  

  return TCL_OK;
}

/*
** Provide a dummy Tcl_InitStubs if we are using this as a static
** library.
*/
................................................................................
    extern int Sqlitetest7_Init(Tcl_Interp*);
    extern int Sqlitetest8_Init(Tcl_Interp*);
    extern int Md5_Init(Tcl_Interp*);
    extern int Sqlitetestsse_Init(Tcl_Interp*);
    extern int Sqlitetestasync_Init(Tcl_Interp*);
    extern int Sqlitetesttclvar_Init(Tcl_Interp*);
    extern int Sqlitetestschema_Init(Tcl_Interp*);
    extern int Sqlitetest_autoext_Init(Tcl_Interp*);

    Sqlitetest1_Init(interp);
    Sqlitetest2_Init(interp);
    Sqlitetest3_Init(interp);
    Sqlitetest4_Init(interp);
    Sqlitetest5_Init(interp);
    Sqlitetest6_Init(interp);
    Sqlitetest7_Init(interp);
    Sqlitetest8_Init(interp);
    Sqlitetestasync_Init(interp);
    Sqlitetesttclvar_Init(interp);
    Sqlitetestschema_Init(interp);
    Sqlitetest_autoext_Init(interp);
    Md5_Init(interp);
#ifdef SQLITE_SSE
    Sqlitetestsse_Init(interp);
#endif
  }
#endif
  if( argc>=2 || TCLSH==2 ){
    int i;
    char zArgc[32];
    sqlite3_snprintf(sizeof(zArgc), zArgc, "%d", argc-(3-TCLSH));
    Tcl_SetVar(interp,"argc", zArgc, TCL_GLOBAL_ONLY);
    Tcl_SetVar(interp,"argv0",argv[1],TCL_GLOBAL_ONLY);
    Tcl_SetVar(interp,"argv", "", TCL_GLOBAL_ONLY);
    for(i=3-TCLSH; i<argc; i++){
      Tcl_SetVar(interp, "argv", argv[i],
          TCL_GLOBAL_ONLY | TCL_LIST_ELEMENT | TCL_APPEND_VALUE);
    }
    if( TCLSH==1 && Tcl_EvalFile(interp, argv[1])!=TCL_OK ){

Changes to SQLite.Interop/src/tokenize.c.

11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
*************************************************************************
** An tokenizer for SQL
**
** This file contains C code that splits an SQL input string up into
** individual tokens and sends those tokens one-by-one over to the
** parser for analysis.
**
** $Id: tokenize.c,v 1.26 2006/08/13 15:56:08 rmsimpson Exp $
*/
#include "sqliteInt.h"
#include "os.h"
#include <ctype.h>
#include <stdlib.h>

/*







|







11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
*************************************************************************
** An tokenizer for SQL
**
** This file contains C code that splits an SQL input string up into
** individual tokens and sends those tokens one-by-one over to the
** parser for analysis.
**
** $Id: tokenize.c,v 1.27 2006/10/12 21:34:22 rmsimpson Exp $
*/
#include "sqliteInt.h"
#include "os.h"
#include <ctype.h>
#include <stdlib.h>

/*

Changes to SQLite.Interop/src/trigger.c.

45
46
47
48
49
50
51
52

53
54
55
56
57
58
59
...
111
112
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115
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117

118

119
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125
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...
459
460
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462
463
464
465

466

467
468
469
470
471
472
473
  Token *pName2,      /* The name of the trigger */
  int tr_tm,          /* One of TK_BEFORE, TK_AFTER, TK_INSTEAD */
  int op,             /* One of TK_INSERT, TK_UPDATE, TK_DELETE */
  IdList *pColumns,   /* column list if this is an UPDATE OF trigger */
  SrcList *pTableName,/* The name of the table/view the trigger applies to */
  int foreach,        /* One of TK_ROW or TK_STATEMENT */
  Expr *pWhen,        /* WHEN clause */
  int isTemp          /* True if the TEMPORARY keyword is present */

){
  Trigger *pTrigger = 0;
  Table *pTab;
  char *zName = 0;        /* Name of the trigger */
  sqlite3 *db = pParse->db;
  int iDb;                /* The database to store the trigger in */
  Token *pName;           /* The unqualified db name */
................................................................................
  /* Check that the trigger name is not reserved and that no trigger of the
  ** specified name exists */
  zName = sqlite3NameFromToken(pName);
  if( !zName || SQLITE_OK!=sqlite3CheckObjectName(pParse, zName) ){
    goto trigger_cleanup;
  }
  if( sqlite3HashFind(&(db->aDb[iDb].pSchema->trigHash), zName,strlen(zName)) ){

    sqlite3ErrorMsg(pParse, "trigger %T already exists", pName);

    goto trigger_cleanup;
  }

  /* Do not create a trigger on a system table */
  if( sqlite3StrNICmp(pTab->zName, "sqlite_", 7)==0 ){
    sqlite3ErrorMsg(pParse, "cannot create trigger on system table");
    pParse->nErr++;
................................................................................
** This function is called to drop a trigger from the database schema. 
**
** This may be called directly from the parser and therefore identifies
** the trigger by name.  The sqlite3DropTriggerPtr() routine does the
** same job as this routine except it takes a pointer to the trigger
** instead of the trigger name.
**/
void sqlite3DropTrigger(Parse *pParse, SrcList *pName){
  Trigger *pTrigger = 0;
  int i;
  const char *zDb;
  const char *zName;
  int nName;
  sqlite3 *db = pParse->db;

................................................................................
  for(i=OMIT_TEMPDB; i<db->nDb; i++){
    int j = (i<2) ? i^1 : i;  /* Search TEMP before MAIN */
    if( zDb && sqlite3StrICmp(db->aDb[j].zName, zDb) ) continue;
    pTrigger = sqlite3HashFind(&(db->aDb[j].pSchema->trigHash), zName, nName);
    if( pTrigger ) break;
  }
  if( !pTrigger ){

    sqlite3ErrorMsg(pParse, "no such trigger: %S", pName, 0);

    goto drop_trigger_cleanup;
  }
  sqlite3DropTriggerPtr(pParse, pTrigger);

drop_trigger_cleanup:
  sqlite3SrcListDelete(pName);
}







|
>







 







>
|
>







 







|







 







>
|
>







45
46
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475
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  Token *pName2,      /* The name of the trigger */
  int tr_tm,          /* One of TK_BEFORE, TK_AFTER, TK_INSTEAD */
  int op,             /* One of TK_INSERT, TK_UPDATE, TK_DELETE */
  IdList *pColumns,   /* column list if this is an UPDATE OF trigger */
  SrcList *pTableName,/* The name of the table/view the trigger applies to */
  int foreach,        /* One of TK_ROW or TK_STATEMENT */
  Expr *pWhen,        /* WHEN clause */
  int isTemp,         /* True if the TEMPORARY keyword is present */
  int noErr           /* Suppress errors if the trigger already exists */
){
  Trigger *pTrigger = 0;
  Table *pTab;
  char *zName = 0;        /* Name of the trigger */
  sqlite3 *db = pParse->db;
  int iDb;                /* The database to store the trigger in */
  Token *pName;           /* The unqualified db name */
................................................................................
  /* Check that the trigger name is not reserved and that no trigger of the
  ** specified name exists */
  zName = sqlite3NameFromToken(pName);
  if( !zName || SQLITE_OK!=sqlite3CheckObjectName(pParse, zName) ){
    goto trigger_cleanup;
  }
  if( sqlite3HashFind(&(db->aDb[iDb].pSchema->trigHash), zName,strlen(zName)) ){
    if( !noErr ){
      sqlite3ErrorMsg(pParse, "trigger %T already exists", pName);
    }
    goto trigger_cleanup;
  }

  /* Do not create a trigger on a system table */
  if( sqlite3StrNICmp(pTab->zName, "sqlite_", 7)==0 ){
    sqlite3ErrorMsg(pParse, "cannot create trigger on system table");
    pParse->nErr++;
................................................................................
** This function is called to drop a trigger from the database schema. 
**
** This may be called directly from the parser and therefore identifies
** the trigger by name.  The sqlite3DropTriggerPtr() routine does the
** same job as this routine except it takes a pointer to the trigger
** instead of the trigger name.
**/
void sqlite3DropTrigger(Parse *pParse, SrcList *pName, int noErr){
  Trigger *pTrigger = 0;
  int i;
  const char *zDb;
  const char *zName;
  int nName;
  sqlite3 *db = pParse->db;

................................................................................
  for(i=OMIT_TEMPDB; i<db->nDb; i++){
    int j = (i<2) ? i^1 : i;  /* Search TEMP before MAIN */
    if( zDb && sqlite3StrICmp(db->aDb[j].zName, zDb) ) continue;
    pTrigger = sqlite3HashFind(&(db->aDb[j].pSchema->trigHash), zName, nName);
    if( pTrigger ) break;
  }
  if( !pTrigger ){
    if( !noErr ){
      sqlite3ErrorMsg(pParse, "no such trigger: %S", pName, 0);
    }
    goto drop_trigger_cleanup;
  }
  sqlite3DropTriggerPtr(pParse, pTrigger);

drop_trigger_cleanup:
  sqlite3SrcListDelete(pName);
}

Changes to SQLite.Interop/src/update.c.

8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
**    May you find forgiveness for yourself and forgive others.
**    May you share freely, never taking more than you give.
**
*************************************************************************
** This file contains C code routines that are called by the parser
** to handle UPDATE statements.
**
** $Id: update.c,v 1.23 2006/08/13 15:56:09 rmsimpson Exp $
*/
#include "sqliteInt.h"

#ifndef SQLITE_OMIT_VIRTUALTABLE
/* Forward declaration */
static void updateVirtualTable(
  Parse *pParse,       /* The parsing context */







|







8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
**    May you find forgiveness for yourself and forgive others.
**    May you share freely, never taking more than you give.
**
*************************************************************************
** This file contains C code routines that are called by the parser
** to handle UPDATE statements.
**
** $Id: update.c,v 1.24 2006/10/12 21:34:22 rmsimpson Exp $
*/
#include "sqliteInt.h"

#ifndef SQLITE_OMIT_VIRTUALTABLE
/* Forward declaration */
static void updateVirtualTable(
  Parse *pParse,       /* The parsing context */

Changes to SQLite.Interop/src/utf.c.

8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
...
241
242
243
244
245
246
247
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249
250
251
252
253
254
255
...
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
...
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
**    May you find forgiveness for yourself and forgive others.
**    May you share freely, never taking more than you give.
**
*************************************************************************
** This file contains routines used to translate between UTF-8, 
** UTF-16, UTF-16BE, and UTF-16LE.
**
** $Id: utf.c,v 1.22 2006/08/13 15:56:09 rmsimpson Exp $
**
** Notes on UTF-8:
**
**   Byte-0    Byte-1    Byte-2    Byte-3    Value
**  0xxxxxxx                                 00000000 00000000 0xxxxxxx
**  110yyyyy  10xxxxxx                       00000000 00000yyy yyxxxxxx
**  1110zzzz  10yyyyyy  10xxxxxx             00000000 zzzzyyyy yyxxxxxx
................................................................................
int sqlite3VdbeMemTranslate(Mem *pMem, u8 desiredEnc){
  unsigned char zShort[NBFS]; /* Temporary short output buffer */
  int len;                    /* Maximum length of output string in bytes */
  unsigned char *zOut;                  /* Output buffer */
  unsigned char *zIn;                   /* Input iterator */
  unsigned char *zTerm;                 /* End of input */
  unsigned char *z;                     /* Output iterator */
  int c;

  assert( pMem->flags&MEM_Str );
  assert( pMem->enc!=desiredEnc );
  assert( pMem->enc!=0 );
  assert( pMem->n>=0 );

#if defined(TRANSLATE_TRACE) && defined(SQLITE_DEBUG)
................................................................................
** pZ is a UTF-16 encoded unicode string. If nChar is less than zero,
** return the number of bytes up to (but not including), the first pair
** of consecutive 0x00 bytes in pZ. If nChar is not less than zero,
** then return the number of bytes in the first nChar unicode characters
** in pZ (or up until the first pair of 0x00 bytes, whichever comes first).
*/
int sqlite3utf16ByteLen(const void *zIn, int nChar){
  int c = 1;
  char const *z = zIn;
  int n = 0;
  if( SQLITE_UTF16NATIVE==SQLITE_UTF16BE ){
    /* Using an "if (SQLITE_UTF16NATIVE==SQLITE_UTF16BE)" construct here
    ** and in other parts of this file means that at one branch will
    ** not be covered by coverage testing on any single host. But coverage
    ** will be complete if the tests are run on both a little-endian and 
................................................................................
#if defined(SQLITE_TEST)
/*
** This routine is called from the TCL test function "translate_selftest".
** It checks that the primitives for serializing and deserializing
** characters in each encoding are inverses of each other.
*/
void sqlite3utfSelfTest(){
  int i;
  unsigned char zBuf[20];
  unsigned char *z;
  int n;
  int c;

  for(i=0; i<0x00110000; i++){
    z = zBuf;
    WRITE_UTF8(z, i);
    n = z-zBuf;
    z = zBuf;
    READ_UTF8(z, c);







|







 







|







 







|







 







|



|







8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
...
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
...
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
...
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
**    May you find forgiveness for yourself and forgive others.
**    May you share freely, never taking more than you give.
**
*************************************************************************
** This file contains routines used to translate between UTF-8, 
** UTF-16, UTF-16BE, and UTF-16LE.
**
** $Id: utf.c,v 1.23 2006/10/12 21:34:22 rmsimpson Exp $
**
** Notes on UTF-8:
**
**   Byte-0    Byte-1    Byte-2    Byte-3    Value
**  0xxxxxxx                                 00000000 00000000 0xxxxxxx
**  110yyyyy  10xxxxxx                       00000000 00000yyy yyxxxxxx
**  1110zzzz  10yyyyyy  10xxxxxx             00000000 zzzzyyyy yyxxxxxx
................................................................................
int sqlite3VdbeMemTranslate(Mem *pMem, u8 desiredEnc){
  unsigned char zShort[NBFS]; /* Temporary short output buffer */
  int len;                    /* Maximum length of output string in bytes */
  unsigned char *zOut;                  /* Output buffer */
  unsigned char *zIn;                   /* Input iterator */
  unsigned char *zTerm;                 /* End of input */
  unsigned char *z;                     /* Output iterator */
  unsigned int c;

  assert( pMem->flags&MEM_Str );
  assert( pMem->enc!=desiredEnc );
  assert( pMem->enc!=0 );
  assert( pMem->n>=0 );

#if defined(TRANSLATE_TRACE) && defined(SQLITE_DEBUG)
................................................................................
** pZ is a UTF-16 encoded unicode string. If nChar is less than zero,
** return the number of bytes up to (but not including), the first pair
** of consecutive 0x00 bytes in pZ. If nChar is not less than zero,
** then return the number of bytes in the first nChar unicode characters
** in pZ (or up until the first pair of 0x00 bytes, whichever comes first).
*/
int sqlite3utf16ByteLen(const void *zIn, int nChar){
  unsigned int c = 1;
  char const *z = zIn;
  int n = 0;
  if( SQLITE_UTF16NATIVE==SQLITE_UTF16BE ){
    /* Using an "if (SQLITE_UTF16NATIVE==SQLITE_UTF16BE)" construct here
    ** and in other parts of this file means that at one branch will
    ** not be covered by coverage testing on any single host. But coverage
    ** will be complete if the tests are run on both a little-endian and 
................................................................................
#if defined(SQLITE_TEST)
/*
** This routine is called from the TCL test function "translate_selftest".
** It checks that the primitives for serializing and deserializing
** characters in each encoding are inverses of each other.
*/
void sqlite3utfSelfTest(){
  unsigned int i;
  unsigned char zBuf[20];
  unsigned char *z;
  int n;
  unsigned int c;

  for(i=0; i<0x00110000; i++){
    z = zBuf;
    WRITE_UTF8(z, i);
    n = z-zBuf;
    z = zBuf;
    READ_UTF8(z, c);

Changes to SQLite.Interop/src/util.c.

10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
....
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
**
*************************************************************************
** Utility functions used throughout sqlite.
**
** This file contains functions for allocating memory, comparing
** strings, and stuff like that.
**
** $Id: util.c,v 1.24 2006/08/13 15:56:09 rmsimpson Exp $
*/
#include "sqliteInt.h"
#include "os.h"
#include <stdarg.h>
#include <ctype.h>

/*
................................................................................
int sqlite3ApiExit(sqlite3* db, int rc){
  if( sqlite3MallocFailed() ){
    mallocHasFailed = 0;
    sqlite3OsLeaveMutex();
    sqlite3Error(db, SQLITE_NOMEM, 0);
    rc = SQLITE_NOMEM;
  }
  return rc;
}

/* 
** Return true is a malloc has failed in this thread since the last call
** to sqlite3ApiExit(), or false otherwise.
*/
int sqlite3MallocFailed(){







|







 







|







10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
....
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
**
*************************************************************************
** Utility functions used throughout sqlite.
**
** This file contains functions for allocating memory, comparing
** strings, and stuff like that.
**
** $Id: util.c,v 1.25 2006/10/12 21:34:22 rmsimpson Exp $
*/
#include "sqliteInt.h"
#include "os.h"
#include <stdarg.h>
#include <ctype.h>

/*
................................................................................
int sqlite3ApiExit(sqlite3* db, int rc){
  if( sqlite3MallocFailed() ){
    mallocHasFailed = 0;
    sqlite3OsLeaveMutex();
    sqlite3Error(db, SQLITE_NOMEM, 0);
    rc = SQLITE_NOMEM;
  }
  return rc & (db ? db->errMask : 0xff);
}

/* 
** Return true is a malloc has failed in this thread since the last call
** to sqlite3ApiExit(), or false otherwise.
*/
int sqlite3MallocFailed(){

Changes to SQLite.Interop/src/vacuum.c.

10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
..
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
..
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
...
186
187
188
189
190
191
192
193


194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217


218
219
220
221
222
223
224
...
229
230
231
232
233
234
235

236
237
238
239
240
241
242

243


244
245
246
247
248
249
250
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**
*************************************************************************
** This file contains code used to implement the VACUUM command.
**
** Most of the code in this file may be omitted by defining the
** SQLITE_OMIT_VACUUM macro.
**
** $Id: vacuum.c,v 1.23 2006/08/13 15:56:09 rmsimpson Exp $
*/
#include "sqliteInt.h"
#include "vdbeInt.h"
#include "os.h"

#ifndef SQLITE_OMIT_VACUUM
/*
................................................................................
      return rc;
    }
  }

  return sqlite3_finalize(pStmt);
}

#endif

/*
** The non-standard VACUUM command is used to clean up the database,
** collapse free space, etc.  It is modelled after the VACUUM command
** in PostgreSQL.
**
** In version 1.0.x of SQLite, the VACUUM command would call
** gdbm_reorganize() on all the database tables.  But beginning
................................................................................
}

/*
** This routine implements the OP_Vacuum opcode of the VDBE.
*/
int sqlite3RunVacuum(char **pzErrMsg, sqlite3 *db){
  int rc = SQLITE_OK;     /* Return code from service routines */
#ifndef SQLITE_OMIT_VACUUM
  const char *zFilename;  /* full pathname of the database file */
  int nFilename;          /* number of characters  in zFilename[] */
  char *zTemp = 0;        /* a temporary file in same directory as zFilename */
  Btree *pMain;           /* The database being vacuumed */
  Btree *pTemp;
  char *zSql = 0;
  int saved_flags;       /* Saved value of the db->flags */
................................................................................
  if( rc!=SQLITE_OK ) goto end_of_vacuum;

  /* Query the schema of the main database. Create a mirror schema
  ** in the temporary database.
  */
  rc = execExecSql(db, 
      "SELECT 'CREATE TABLE vacuum_db.' || substr(sql,14,100000000) "
      "  FROM sqlite_master WHERE type='table' AND name!='sqlite_sequence'");


  if( rc!=SQLITE_OK ) goto end_of_vacuum;
  rc = execExecSql(db, 
      "SELECT 'CREATE INDEX vacuum_db.' || substr(sql,14,100000000)"
      "  FROM sqlite_master WHERE sql LIKE 'CREATE INDEX %' ");
  if( rc!=SQLITE_OK ) goto end_of_vacuum;
  rc = execExecSql(db, 
      "SELECT 'CREATE UNIQUE INDEX vacuum_db.' || substr(sql,21,100000000) "
      "  FROM sqlite_master WHERE sql LIKE 'CREATE UNIQUE INDEX %'");
  if( rc!=SQLITE_OK ) goto end_of_vacuum;
  rc = execExecSql(db, 
      "SELECT 'CREATE VIEW vacuum_db.' || substr(sql,13,100000000) "
      "  FROM sqlite_master WHERE type='view'"
  );
  if( rc!=SQLITE_OK ) goto end_of_vacuum;

  /* Loop through the tables in the main database. For each, do
  ** an "INSERT INTO vacuum_db.xxx SELECT * FROM xxx;" to copy
  ** the contents to the temporary database.
  */
  rc = execExecSql(db, 
      "SELECT 'INSERT INTO vacuum_db.' || quote(name) "
      "|| ' SELECT * FROM ' || quote(name) || ';'"
      "FROM sqlite_master "
      "WHERE type = 'table' AND name!='sqlite_sequence';"


  );
  if( rc!=SQLITE_OK ) goto end_of_vacuum;

  /* Copy over the sequence table
  */
  rc = execExecSql(db, 
      "SELECT 'DELETE FROM vacuum_db.' || quote(name) || ';' "
................................................................................
      "SELECT 'INSERT INTO vacuum_db.' || quote(name) "
      "|| ' SELECT * FROM ' || quote(name) || ';' "
      "FROM vacuum_db.sqlite_master WHERE name=='sqlite_sequence';"
  );
  if( rc!=SQLITE_OK ) goto end_of_vacuum;



  /* Copy the triggers from the main database to the temporary database.
  ** This was deferred before in case the triggers interfered with copying
  ** the data. It's possible the indices should be deferred until this
  ** point also.
  */
  rc = execExecSql(db, 
      "SELECT 'CREATE TRIGGER  vacuum_db.' || substr(sql, 16, 1000000) "

      "FROM sqlite_master WHERE type='trigger'"


  );
  if( rc!=SQLITE_OK ) goto end_of_vacuum;


  /* At this point, unless the main db was completely empty, there is now a
  ** transaction open on the vacuum database, but not on the main database.
  ** Open a btree level transaction on the main database. This allows a
  ** call to sqlite3BtreeCopyFile(). The main database btree level
  ** transaction is then committed, so the SQL level never knows it was
  ** opened for writing. This way, the SQL transaction used to create the
................................................................................
    sqlite3MallocDisallow();
    sqlite3BtreeClose(pDb->pBt);
    sqlite3MallocAllow();
    pDb->pBt = 0;
    pDb->pSchema = 0;
  }

  /* If one of the execSql() calls above returned SQLITE_NOMEM, then the
  ** mallocFailed flag will be clear (because execSql() calls sqlite3_exec()).
  ** Fix this so the flag and return code match.
  */
  if( rc==SQLITE_NOMEM ){
    sqlite3MallocFailed();
  }

  if( zTemp ){
    sqlite3OsDelete(zTemp);
    sqliteFree(zTemp);
  }
  sqliteFree( zSql );
  sqlite3ResetInternalSchema(db, 0);
#endif

  return rc;
}








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310
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**
*************************************************************************
** This file contains code used to implement the VACUUM command.
**
** Most of the code in this file may be omitted by defining the
** SQLITE_OMIT_VACUUM macro.
**
** $Id: vacuum.c,v 1.24 2006/10/12 21:34:22 rmsimpson Exp $
*/
#include "sqliteInt.h"
#include "vdbeInt.h"
#include "os.h"

#ifndef SQLITE_OMIT_VACUUM
/*
................................................................................
      return rc;
    }
  }

  return sqlite3_finalize(pStmt);
}



/*
** The non-standard VACUUM command is used to clean up the database,
** collapse free space, etc.  It is modelled after the VACUUM command
** in PostgreSQL.
**
** In version 1.0.x of SQLite, the VACUUM command would call
** gdbm_reorganize() on all the database tables.  But beginning
................................................................................
}

/*
** This routine implements the OP_Vacuum opcode of the VDBE.
*/
int sqlite3RunVacuum(char **pzErrMsg, sqlite3 *db){
  int rc = SQLITE_OK;     /* Return code from service routines */

  const char *zFilename;  /* full pathname of the database file */
  int nFilename;          /* number of characters  in zFilename[] */
  char *zTemp = 0;        /* a temporary file in same directory as zFilename */
  Btree *pMain;           /* The database being vacuumed */
  Btree *pTemp;
  char *zSql = 0;
  int saved_flags;       /* Saved value of the db->flags */
................................................................................
  if( rc!=SQLITE_OK ) goto end_of_vacuum;

  /* Query the schema of the main database. Create a mirror schema
  ** in the temporary database.
  */
  rc = execExecSql(db, 
      "SELECT 'CREATE TABLE vacuum_db.' || substr(sql,14,100000000) "
      "  FROM sqlite_master WHERE type='table' AND name!='sqlite_sequence'"
      "   AND rootpage>0"
  );
  if( rc!=SQLITE_OK ) goto end_of_vacuum;
  rc = execExecSql(db, 
      "SELECT 'CREATE INDEX vacuum_db.' || substr(sql,14,100000000)"
      "  FROM sqlite_master WHERE sql LIKE 'CREATE INDEX %' ");
  if( rc!=SQLITE_OK ) goto end_of_vacuum;
  rc = execExecSql(db, 
      "SELECT 'CREATE UNIQUE INDEX vacuum_db.' || substr(sql,21,100000000) "
      "  FROM sqlite_master WHERE sql LIKE 'CREATE UNIQUE INDEX %'");





  if( rc!=SQLITE_OK ) goto end_of_vacuum;

  /* Loop through the tables in the main database. For each, do
  ** an "INSERT INTO vacuum_db.xxx SELECT * FROM xxx;" to copy
  ** the contents to the temporary database.
  */
  rc = execExecSql(db, 
      "SELECT 'INSERT INTO vacuum_db.' || quote(name) "
      "|| ' SELECT * FROM ' || quote(name) || ';'"
      "FROM sqlite_master "
      "WHERE type = 'table' AND name!='sqlite_sequence' "
      "  AND rootpage>0"

  );
  if( rc!=SQLITE_OK ) goto end_of_vacuum;

  /* Copy over the sequence table
  */
  rc = execExecSql(db, 
      "SELECT 'DELETE FROM vacuum_db.' || quote(name) || ';' "
................................................................................
      "SELECT 'INSERT INTO vacuum_db.' || quote(name) "
      "|| ' SELECT * FROM ' || quote(name) || ';' "
      "FROM vacuum_db.sqlite_master WHERE name=='sqlite_sequence';"
  );
  if( rc!=SQLITE_OK ) goto end_of_vacuum;


  /* Copy the triggers, views, and virtual tables from the main database
  ** over to the temporary database.  None of these objects has any

  ** associated storage, so all we have to do is copy their entries
  ** from the SQLITE_MASTER table.
  */
  rc = execSql(db,
      "INSERT INTO vacuum_db.sqlite_master "
      "  SELECT type, name, tbl_name, rootpage, sql"
      "    FROM sqlite_master"
      "   WHERE type='view' OR type='trigger'"
      "      OR (type='table' AND rootpage=0)"
  );
  if( rc ) goto end_of_vacuum;


  /* At this point, unless the main db was completely empty, there is now a
  ** transaction open on the vacuum database, but not on the main database.
  ** Open a btree level transaction on the main database. This allows a
  ** call to sqlite3BtreeCopyFile(). The main database btree level
  ** transaction is then committed, so the SQL level never knows it was
  ** opened for writing. This way, the SQL transaction used to create the
................................................................................
    sqlite3MallocDisallow();
    sqlite3BtreeClose(pDb->pBt);
    sqlite3MallocAllow();
    pDb->pBt = 0;
    pDb->pSchema = 0;
  }









  if( zTemp ){
    sqlite3OsDelete(zTemp);
    sqliteFree(zTemp);
  }
  sqliteFree( zSql );
  sqlite3ResetInternalSchema(db, 0);


  return rc;
}
#endif  /* SQLITE_OMIT_VACUUM */

Changes to SQLite.Interop/src/vdbe.c.

39
40
41
42
43
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45
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48
49
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53
....
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2985
2986
2987
2988
2989
2990
....
4046
4047
4048
4049
4050
4051
4052

4053
4054
4055
4056
4057
4058
4059
4060
4061
4062
4063
....
4495
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4497
4498
4499
4500
4501

4502
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4505
4506
4507
4508
4509
4510
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4512
4513

4514
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4516
4517
4518
4519
4520
....
4853
4854
4855
4856
4857
4858
4859

4860

4861
4862
4863
4864
4865
4866
4867
**
** Various scripts scan this source file in order to generate HTML
** documentation, headers files, or other derived files.  The formatting
** of the code in this file is, therefore, important.  See other comments
** in this file for details.  If in doubt, do not deviate from existing
** commenting and indentation practices when changing or adding code.
**
** $Id: vdbe.c,v 1.25 2006/08/13 15:56:09 rmsimpson Exp $
*/
#include "sqliteInt.h"
#include "os.h"
#include <ctype.h>
#include "vdbeInt.h"

/*
................................................................................
  /* Pop the value R off the top of the stack
  */
  assert( pNos>=p->aStack );
  sqlite3VdbeMemIntegerify(pTos);
  R = pTos->i;
  assert( (pTos->flags & MEM_Dyn)==0 );
  pTos--;
  assert( i>=0 && i<=p->nCursor );
  pCx = p->apCsr[i];
  assert( pCx!=0 );
  pCrsr = pCx->pCursor;
  if( pCrsr!=0 ){
    int res;
    i64 v;         /* The record number on the P1 entry that matches K */
    char *zKey;    /* The value of K */
................................................................................
  const char *zMaster;
  InitData initData;

  assert( iDb>=0 && iDb<db->nDb );
  if( !DbHasProperty(db, iDb, DB_SchemaLoaded) ) break;
  zMaster = SCHEMA_TABLE(iDb);
  initData.db = db;

  initData.pzErrMsg = &p->zErrMsg;
  zSql = sqlite3MPrintf(
     "SELECT name, rootpage, sql, %d FROM '%q'.%s WHERE %s",
     pOp->p1, db->aDb[iDb].zName, zMaster, pOp->p3);
  if( zSql==0 ) goto no_mem;
  sqlite3SafetyOff(db);
  assert( db->init.busy==0 );
  db->init.busy = 1;
  assert( !sqlite3MallocFailed() );
  rc = sqlite3_exec(db, zSql, sqlite3InitCallback, &initData, 0);
  if( rc==SQLITE_ABORT ) rc = initData.rc;
................................................................................
  if( rc==SQLITE_ERROR ){
    sqlite3SetString(&p->zErrMsg, sqlite3_value_text(pMem), (char*)0);
  }
  break;
}



/* Opcode: Vacuum * * *
**
** Vacuum the entire database.  This opcode will cause other virtual
** machines to be created and run.  It may not be called from within
** a transaction.
*/
case OP_Vacuum: {        /* no-push */
  if( sqlite3SafetyOff(db) ) goto abort_due_to_misuse; 
  rc = sqlite3RunVacuum(&p->zErrMsg, db);
  if( sqlite3SafetyOn(db) ) goto abort_due_to_misuse;
  break;
}


/* Opcode: Expire P1 * *
**
** Cause precompiled statements to become expired. An expired statement
** fails with an error code of SQLITE_SCHEMA if it is ever executed 
** (via sqlite3_step()).
** 
................................................................................
    Mem **apArg = p->apArg;
    Mem *pX = &pTos[1-nArg];
    for(i = 0; i<nArg; i++, pX++){
      storeTypeInfo(pX, 0);
      apArg[i] = pX;
    }
    if( sqlite3SafetyOff(db) ) goto abort_due_to_misuse;

    rc = pModule->xUpdate(pVtab, nArg, apArg, &rowid);

    if( sqlite3SafetyOn(db) ) goto abort_due_to_misuse;
    if( pOp->p1 && rc==SQLITE_OK ){
      assert( nArg>1 && apArg[0] && (apArg[0]->flags&MEM_Null) );
      db->lastRowid = rowid;
    }
  }
  popStack(&pTos, nArg);







|







 







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>







 







>

>







39
40
41
42
43
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47
48
49
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51
52
53
....
2976
2977
2978
2979
2980
2981
2982
2983
2984
2985
2986
2987
2988
2989
2990
....
4046
4047
4048
4049
4050
4051
4052
4053
4054
4055
4056
4057
4058
4059
4060
4061
4062
4063
4064
....
4496
4497
4498
4499
4500
4501
4502
4503
4504
4505
4506
4507
4508
4509
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4511
4512
4513
4514
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4518
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4520
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4522
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....
4856
4857
4858
4859
4860
4861
4862
4863
4864
4865
4866
4867
4868
4869
4870
4871
4872
**
** Various scripts scan this source file in order to generate HTML
** documentation, headers files, or other derived files.  The formatting
** of the code in this file is, therefore, important.  See other comments
** in this file for details.  If in doubt, do not deviate from existing
** commenting and indentation practices when changing or adding code.
**
** $Id: vdbe.c,v 1.26 2006/10/12 21:34:22 rmsimpson Exp $
*/
#include "sqliteInt.h"
#include "os.h"
#include <ctype.h>
#include "vdbeInt.h"

/*
................................................................................
  /* Pop the value R off the top of the stack
  */
  assert( pNos>=p->aStack );
  sqlite3VdbeMemIntegerify(pTos);
  R = pTos->i;
  assert( (pTos->flags & MEM_Dyn)==0 );
  pTos--;
  assert( i>=0 && i<p->nCursor );
  pCx = p->apCsr[i];
  assert( pCx!=0 );
  pCrsr = pCx->pCursor;
  if( pCrsr!=0 ){
    int res;
    i64 v;         /* The record number on the P1 entry that matches K */
    char *zKey;    /* The value of K */
................................................................................
  const char *zMaster;
  InitData initData;

  assert( iDb>=0 && iDb<db->nDb );
  if( !DbHasProperty(db, iDb, DB_SchemaLoaded) ) break;
  zMaster = SCHEMA_TABLE(iDb);
  initData.db = db;
  initData.iDb = pOp->p1;
  initData.pzErrMsg = &p->zErrMsg;
  zSql = sqlite3MPrintf(
     "SELECT name, rootpage, sql FROM '%q'.%s WHERE %s",
     db->aDb[iDb].zName, zMaster, pOp->p3);
  if( zSql==0 ) goto no_mem;
  sqlite3SafetyOff(db);
  assert( db->init.busy==0 );
  db->init.busy = 1;
  assert( !sqlite3MallocFailed() );
  rc = sqlite3_exec(db, zSql, sqlite3InitCallback, &initData, 0);
  if( rc==SQLITE_ABORT ) rc = initData.rc;
................................................................................
  if( rc==SQLITE_ERROR ){
    sqlite3SetString(&p->zErrMsg, sqlite3_value_text(pMem), (char*)0);
  }
  break;
}


#ifndef SQLITE_OMIT_VACUUM
/* Opcode: Vacuum * * *
**
** Vacuum the entire database.  This opcode will cause other virtual
** machines to be created and run.  It may not be called from within
** a transaction.
*/
case OP_Vacuum: {        /* no-push */
  if( sqlite3SafetyOff(db) ) goto abort_due_to_misuse; 
  rc = sqlite3RunVacuum(&p->zErrMsg, db);
  if( sqlite3SafetyOn(db) ) goto abort_due_to_misuse;
  break;
}
#endif

/* Opcode: Expire P1 * *
**
** Cause precompiled statements to become expired. An expired statement
** fails with an error code of SQLITE_SCHEMA if it is ever executed 
** (via sqlite3_step()).
** 
................................................................................
    Mem **apArg = p->apArg;
    Mem *pX = &pTos[1-nArg];
    for(i = 0; i<nArg; i++, pX++){
      storeTypeInfo(pX, 0);
      apArg[i] = pX;
    }
    if( sqlite3SafetyOff(db) ) goto abort_due_to_misuse;
    sqlite3VtabLock(pVtab);
    rc = pModule->xUpdate(pVtab, nArg, apArg, &rowid);
    sqlite3VtabUnlock(pVtab);
    if( sqlite3SafetyOn(db) ) goto abort_due_to_misuse;
    if( pOp->p1 && rc==SQLITE_OK ){
      assert( nArg>1 && apArg[0] && (apArg[0]->flags&MEM_Null) );
      db->lastRowid = rowid;
    }
  }
  popStack(&pTos, nArg);

Changes to SQLite.Interop/src/vdbe.h.

11
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25
*************************************************************************
** Header file for the Virtual DataBase Engine (VDBE)
**
** This header defines the interface to the virtual database engine
** or VDBE.  The VDBE implements an abstract machine that runs a
** simple program to access and modify the underlying database.
**
** $Id: vdbe.h,v 1.23 2006/08/13 15:56:09 rmsimpson Exp $
*/
#ifndef _SQLITE_VDBE_H_
#define _SQLITE_VDBE_H_
#include <stdio.h>

/*
** A single VDBE is an opaque structure named "Vdbe".  Only routines







|







11
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15
16
17
18
19
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21
22
23
24
25
*************************************************************************
** Header file for the Virtual DataBase Engine (VDBE)
**
** This header defines the interface to the virtual database engine
** or VDBE.  The VDBE implements an abstract machine that runs a
** simple program to access and modify the underlying database.
**
** $Id: vdbe.h,v 1.24 2006/10/12 21:34:22 rmsimpson Exp $
*/
#ifndef _SQLITE_VDBE_H_
#define _SQLITE_VDBE_H_
#include <stdio.h>

/*
** A single VDBE is an opaque structure named "Vdbe".  Only routines

Changes to SQLite.Interop/src/vdbeapi.c.

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253
254
255
256

257
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268
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...
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815
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817

818
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824
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826
827
828
829
    assert( p->aOp[p->nOp-1].p3type==P3_DYNAMIC );
    db->xProfile(db->pProfileArg, p->aOp[p->nOp-1].p3, elapseTime);
  }
#endif

  sqlite3Error(p->db, rc, 0);
  p->rc = sqlite3ApiExit(p->db, p->rc);

  return rc;
}

/*
** Extract the user data from a sqlite3_context structure and return a
** pointer to it.
*/
void *sqlite3_user_data(sqlite3_context *p){
  assert( p && p->pFunc );
  return p->pFunc->pUserData;
}






















/*
** Allocate or return the aggregate context for a user function.  A new
** context is allocated on the first call.  Subsequent calls return the
** same context that was returned on prior calls.
*/
void *sqlite3_aggregate_context(sqlite3_context *p, int nByte){
................................................................................
    return SQLITE_ERROR;
  }
  for(i=0; rc==SQLITE_OK && i<pFrom->nVar; i++){
    sqlite3MallocDisallow();
    rc = sqlite3VdbeMemMove(&pTo->aVar[i], &pFrom->aVar[i]);
    sqlite3MallocAllow();
  }

  return rc;
}

/*
** Return the sqlite3* database handle to which the prepared statement given
** in the argument belongs.  This is the same database handle that was
** the first argument to the sqlite3_prepare() that was used to create
** the statement in the first place.
*/
sqlite3 *sqlite3_db_handle(sqlite3_stmt *pStmt){
  return pStmt ? ((Vdbe*)pStmt)->db : 0;
}







>











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838
839
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841
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843
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846
847
848
849
850
851
852
    assert( p->aOp[p->nOp-1].p3type==P3_DYNAMIC );
    db->xProfile(db->pProfileArg, p->aOp[p->nOp-1].p3, elapseTime);
  }
#endif

  sqlite3Error(p->db, rc, 0);
  p->rc = sqlite3ApiExit(p->db, p->rc);
  assert( (rc&0xff)==rc );
  return rc;
}

/*
** Extract the user data from a sqlite3_context structure and return a
** pointer to it.
*/
void *sqlite3_user_data(sqlite3_context *p){
  assert( p && p->pFunc );
  return p->pFunc->pUserData;
}

/*
** The following is the implementation of an SQL function that always
** fails with an error message stating that the function is used in the
** wrong context.  The sqlite3_overload_function() API might construct
** SQL function that use this routine so that the functions will exist
** for name resolution but are actually overloaded by the xFindFunction
** method of virtual tables.
*/
void sqlite3InvalidFunction(
  sqlite3_context *context,  /* The function calling context */
  int argc,                  /* Number of arguments to the function */
  sqlite3_value **argv       /* Value of each argument */
){
  const char *zName = context->pFunc->zName;
  char *zErr;
  zErr = sqlite3MPrintf(
      "unable to use function %s in the requested context", zName);
  sqlite3_result_error(context, zErr, -1);
  sqliteFree(zErr);
}

/*
** Allocate or return the aggregate context for a user function.  A new
** context is allocated on the first call.  Subsequent calls return the
** same context that was returned on prior calls.
*/
void *sqlite3_aggregate_context(sqlite3_context *p, int nByte){
................................................................................
    return SQLITE_ERROR;
  }
  for(i=0; rc==SQLITE_OK && i<pFrom->nVar; i++){
    sqlite3MallocDisallow();
    rc = sqlite3VdbeMemMove(&pTo->aVar[i], &pFrom->aVar[i]);
    sqlite3MallocAllow();
  }
  assert( rc==SQLITE_OK || rc==SQLITE_NOMEM );
  return rc;
}

/*
** Return the sqlite3* database handle to which the prepared statement given
** in the argument belongs.  This is the same database handle that was
** the first argument to the sqlite3_prepare() that was used to create
** the statement in the first place.
*/
sqlite3 *sqlite3_db_handle(sqlite3_stmt *pStmt){
  return pStmt ? ((Vdbe*)pStmt)->db : 0;
}

Changes to SQLite.Interop/src/vdbeaux.c.

1141
1142
1143
1144
1145
1146
1147
1148


1149
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1151
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1291
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1293
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1299
....
1429
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1518
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1577
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1584

1585
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1591
    }

    /* Delete the master journal file. This commits the transaction. After
    ** doing this the directory is synced again before any individual
    ** transaction files are deleted.
    */
    rc = sqlite3OsDelete(zMaster);
    assert( rc==SQLITE_OK );


    sqliteFree(zMaster);
    zMaster = 0;
    rc = sqlite3OsSyncDirectory(zMainFile);
    if( rc!=SQLITE_OK ){
      /* This is not good. The master journal file has been deleted, but
      ** the directory sync failed. There is no completely safe course of
      ** action from here. The individual journals contain the name of the
................................................................................
    return SQLITE_OK;
  }
  closeAllCursors(p);
  checkActiveVdbeCnt(db);

  /* No commit or rollback needed if the program never started */
  if( p->pc>=0 ){


    /* Check for one of the special errors - SQLITE_NOMEM or SQLITE_IOERR */
    isSpecialError = ((p->rc==SQLITE_NOMEM || p->rc==SQLITE_IOERR)?1:0);

    if( isSpecialError ){
      /* This loop does static analysis of the query to see which of the
      ** following three categories it falls into:
      **
      **     Read-only
      **     Query with statement journal
      **     Query without statement journal
................................................................................
** again.
**
** To look at it another way, this routine resets the state of the
** virtual machine from VDBE_MAGIC_RUN or VDBE_MAGIC_HALT back to
** VDBE_MAGIC_INIT.
*/
int sqlite3VdbeReset(Vdbe *p){

  if( p->magic!=VDBE_MAGIC_RUN && p->magic!=VDBE_MAGIC_HALT ){
    sqlite3Error(p->db, SQLITE_MISUSE, 0);
    return SQLITE_MISUSE;
  }


  /* If the VM did not run to completion or if it encountered an
  ** error, then it might not have been halted properly.  So halt
  ** it now.
  */
  sqlite3SafetyOn(p->db);
  sqlite3VdbeHalt(p);
  sqlite3SafetyOff(p->db);

  /* If the VDBE has be run even partially, then transfer the error code
  ** and error message from the VDBE into the main database structure.  But
  ** if the VDBE has just been set to run but has not actually executed any
  ** instructions yet, leave the main database error information unchanged.
  */
  if( p->pc>=0 ){
    if( p->zErrMsg ){
      sqlite3* db = p->db;
      sqlite3ValueSetStr(db->pErr, -1, p->zErrMsg, SQLITE_UTF8, sqlite3FreeX);
      db->errCode = p->rc;
      p->zErrMsg = 0;
    }else if( p->rc ){
      sqlite3Error(p->db, p->rc, 0);
    }else{
      sqlite3Error(p->db, SQLITE_OK, 0);
    }
  }else if( p->rc && p->expired ){
    /* The expired flag was set on the VDBE before the first call
    ** to sqlite3_step(). For consistency (since sqlite3_step() was
    ** called), set the database error in this case as well.
    */
    sqlite3Error(p->db, p->rc, 0);
  }

  /* Reclaim all memory used by the VDBE
  */
  Cleanup(p);

  /* Save profiling information from this VDBE run.
................................................................................
      fclose(out);
    }
  }
#endif
  p->magic = VDBE_MAGIC_INIT;
  p->aborted = 0;
  if( p->rc==SQLITE_SCHEMA ){
    sqlite3ResetInternalSchema(p->db, 0);
  }
  return p->rc;
}
 
/*
** Clean up and delete a VDBE after execution.  Return an integer which is
** the result code.  Write any error message text into *pzErrMsg.
*/
int sqlite3VdbeFinalize(Vdbe *p){
  int rc = SQLITE_OK;
  if( p->magic==VDBE_MAGIC_RUN || p->magic==VDBE_MAGIC_HALT ){
    rc = sqlite3VdbeReset(p);

  }else if( p->magic!=VDBE_MAGIC_INIT ){
    return SQLITE_MISUSE;
  }
  sqlite3VdbeDelete(p);
  return rc;
}

................................................................................
** If a MoveTo operation is pending on the given cursor, then do that
** MoveTo now.  Return an error code.  If no MoveTo is pending, this
** routine does nothing and returns SQLITE_OK.
*/
int sqlite3VdbeCursorMoveto(Cursor *p){
  if( p->deferredMoveto ){
    int res, rc;

    extern int sqlite3_search_count;

    assert( p->isTable );
    if( p->isTable ){
      rc = sqlite3BtreeMoveto(p->pCursor, 0, p->movetoTarget, &res);
    }else{
      rc = sqlite3BtreeMoveto(p->pCursor,(char*)&p->movetoTarget,
                              sizeof(i64),&res);
    }







|
>
>







 







<
>

|
>







 







>




>





|

|








<




|

|






|







 







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|










>







 







>

>







1141
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1154
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1157
....
1285
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1290
1291

1292
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1298
1299
1300
1301
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....
1432
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1461
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1471
1472
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....
1502
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....
1582
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1589
1590
1591
1592
1593
1594
1595
1596
1597
1598
    }

    /* Delete the master journal file. This commits the transaction. After
    ** doing this the directory is synced again before any individual
    ** transaction files are deleted.
    */
    rc = sqlite3OsDelete(zMaster);
    if( rc ){
      return rc;
    }
    sqliteFree(zMaster);
    zMaster = 0;
    rc = sqlite3OsSyncDirectory(zMainFile);
    if( rc!=SQLITE_OK ){
      /* This is not good. The master journal file has been deleted, but
      ** the directory sync failed. There is no completely safe course of
      ** action from here. The individual journals contain the name of the
................................................................................
    return SQLITE_OK;
  }
  closeAllCursors(p);
  checkActiveVdbeCnt(db);

  /* No commit or rollback needed if the program never started */
  if( p->pc>=0 ){

    int mrc;   /* Primary error code from p->rc */
    /* Check for one of the special errors - SQLITE_NOMEM or SQLITE_IOERR */
    mrc = p->rc & 0xff;
    isSpecialError = ((mrc==SQLITE_NOMEM || mrc==SQLITE_IOERR)?1:0);
    if( isSpecialError ){
      /* This loop does static analysis of the query to see which of the
      ** following three categories it falls into:
      **
      **     Read-only
      **     Query with statement journal
      **     Query without statement journal
................................................................................
** again.
**
** To look at it another way, this routine resets the state of the
** virtual machine from VDBE_MAGIC_RUN or VDBE_MAGIC_HALT back to
** VDBE_MAGIC_INIT.
*/
int sqlite3VdbeReset(Vdbe *p){
  sqlite3 *db;
  if( p->magic!=VDBE_MAGIC_RUN && p->magic!=VDBE_MAGIC_HALT ){
    sqlite3Error(p->db, SQLITE_MISUSE, 0);
    return SQLITE_MISUSE;
  }
  db = p->db;

  /* If the VM did not run to completion or if it encountered an
  ** error, then it might not have been halted properly.  So halt
  ** it now.
  */
  sqlite3SafetyOn(db);
  sqlite3VdbeHalt(p);
  sqlite3SafetyOff(db);

  /* If the VDBE has be run even partially, then transfer the error code
  ** and error message from the VDBE into the main database structure.  But
  ** if the VDBE has just been set to run but has not actually executed any
  ** instructions yet, leave the main database error information unchanged.
  */
  if( p->pc>=0 ){
    if( p->zErrMsg ){

      sqlite3ValueSetStr(db->pErr, -1, p->zErrMsg, SQLITE_UTF8, sqlite3FreeX);
      db->errCode = p->rc;
      p->zErrMsg = 0;
    }else if( p->rc ){
      sqlite3Error(db, p->rc, 0);
    }else{
      sqlite3Error(db, SQLITE_OK, 0);
    }
  }else if( p->rc && p->expired ){
    /* The expired flag was set on the VDBE before the first call
    ** to sqlite3_step(). For consistency (since sqlite3_step() was
    ** called), set the database error in this case as well.
    */
    sqlite3Error(db, p->rc, 0);
  }

  /* Reclaim all memory used by the VDBE
  */
  Cleanup(p);

  /* Save profiling information from this VDBE run.
................................................................................
      fclose(out);
    }
  }
#endif
  p->magic = VDBE_MAGIC_INIT;
  p->aborted = 0;
  if( p->rc==SQLITE_SCHEMA ){
    sqlite3ResetInternalSchema(db, 0);
  }
  return p->rc & db->errMask;
}
 
/*
** Clean up and delete a VDBE after execution.  Return an integer which is
** the result code.  Write any error message text into *pzErrMsg.
*/
int sqlite3VdbeFinalize(Vdbe *p){
  int rc = SQLITE_OK;
  if( p->magic==VDBE_MAGIC_RUN || p->magic==VDBE_MAGIC_HALT ){
    rc = sqlite3VdbeReset(p);
    assert( (rc & p->db->errMask)==rc );
  }else if( p->magic!=VDBE_MAGIC_INIT ){
    return SQLITE_MISUSE;
  }
  sqlite3VdbeDelete(p);
  return rc;
}

................................................................................
** If a MoveTo operation is pending on the given cursor, then do that
** MoveTo now.  Return an error code.  If no MoveTo is pending, this
** routine does nothing and returns SQLITE_OK.
*/
int sqlite3VdbeCursorMoveto(Cursor *p){
  if( p->deferredMoveto ){
    int res, rc;
#ifdef SQLITE_TEST
    extern int sqlite3_search_count;
#endif
    assert( p->isTable );
    if( p->isTable ){
      rc = sqlite3BtreeMoveto(p->pCursor, 0, p->movetoTarget, &res);
    }else{
      rc = sqlite3BtreeMoveto(p->pCursor,(char*)&p->movetoTarget,
                              sizeof(i64),&res);
    }

Changes to SQLite.Interop/src/vdbemem.c.

46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
...
123
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125
126
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128
129
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133
134
135
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137
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139
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141
142
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145
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148
149
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151
152
153

154



155
156
157
158
159
160
161
...
778
779
780
781
782
783
784


785
786
787
788
789
790
791
792
  /* MemTranslate() may return SQLITE_OK or SQLITE_NOMEM. If NOMEM is returned,
  ** then the encoding of the value may not have changed.
  */
  rc = sqlite3VdbeMemTranslate(pMem, desiredEnc);
  assert(rc==SQLITE_OK    || rc==SQLITE_NOMEM);
  assert(rc==SQLITE_OK    || pMem->enc!=desiredEnc);
  assert(rc==SQLITE_NOMEM || pMem->enc==desiredEnc);

  if( rc==SQLITE_NOMEM ){
/*
    sqlite3VdbeMemRelease(pMem);
    pMem->flags = MEM_Null;
    pMem->z = 0;
*/
  }
  return rc;
#endif
}

/*
** Make the given Mem object MEM_Dyn.
**
................................................................................
  return SQLITE_OK;
}

/*
** Make sure the given Mem is \u0000 terminated.
*/
int sqlite3VdbeMemNulTerminate(Mem *pMem){
  /* In SQLite, a string without a nul terminator occurs when a string
  ** is loaded from disk (in this case the memory management is ephemeral),
  ** or when it is supplied by the user as a bound variable or function
  ** return value. Therefore, the memory management of the string must be
  ** either ephemeral, static or controlled by a user-supplied destructor.
  */
  assert(                         
    !(pMem->flags&MEM_Str) ||                /* it's not a string, or      */
    (pMem->flags&MEM_Term) ||                /* it's nul term. already, or */
    (pMem->flags&(MEM_Ephem|MEM_Static)) ||  /* it's static or ephem, or   */
    (pMem->flags&MEM_Dyn && pMem->xDel)      /* external management        */
  );
  if( (pMem->flags & MEM_Term)!=0 || (pMem->flags & MEM_Str)==0 ){
    return SQLITE_OK;   /* Nothing to do */
  }

  if( pMem->flags & (MEM_Static|MEM_Ephem) ){
    return sqlite3VdbeMemMakeWriteable(pMem);
  }else{
    char *z = sqliteMalloc(pMem->n+2);
    if( !z ) return SQLITE_NOMEM;
    memcpy(z, pMem->z, pMem->n);
    z[pMem->n] = 0;
    z[pMem->n+1] = 0;

    pMem->xDel(pMem->z);



    pMem->xDel = 0;
    pMem->z = z;
  }
  return SQLITE_OK;
}

/*
................................................................................
    sqlite3VdbeChangeEncoding(pVal, enc & ~SQLITE_UTF16_ALIGNED);
    if( (enc & SQLITE_UTF16_ALIGNED)!=0 && 1==(1&(int)pVal->z) ){
      assert( (pVal->flags & (MEM_Ephem|MEM_Static))!=0 );
      if( sqlite3VdbeMemMakeWriteable(pVal)!=SQLITE_OK ){
        return 0;
      }
    }


  }else if( !(pVal->flags&MEM_Blob) ){
    sqlite3VdbeMemStringify(pVal, enc);
    assert( 0==(1&(int)pVal->z) );
  }
  assert(pVal->enc==(enc & ~SQLITE_UTF16_ALIGNED) || sqlite3MallocFailed() );
  if( pVal->enc==(enc & ~SQLITE_UTF16_ALIGNED) ){
    return pVal->z;
  }else{







<
<
<
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<
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<
<







 







<
<
<
<
<
<
<
<
<
<
<
<



<








>
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>







 







>
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|







46
47
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49
50
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52








53
54
55
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59
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121












122
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124

125
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139
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144
...
761
762
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764
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768
769
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771
772
773
774
775
776
777
  /* MemTranslate() may return SQLITE_OK or SQLITE_NOMEM. If NOMEM is returned,
  ** then the encoding of the value may not have changed.
  */
  rc = sqlite3VdbeMemTranslate(pMem, desiredEnc);
  assert(rc==SQLITE_OK    || rc==SQLITE_NOMEM);
  assert(rc==SQLITE_OK    || pMem->enc!=desiredEnc);
  assert(rc==SQLITE_NOMEM || pMem->enc==desiredEnc);








  return rc;
#endif
}

/*
** Make the given Mem object MEM_Dyn.
**
................................................................................
  return SQLITE_OK;
}

/*
** Make sure the given Mem is \u0000 terminated.
*/
int sqlite3VdbeMemNulTerminate(Mem *pMem){












  if( (pMem->flags & MEM_Term)!=0 || (pMem->flags & MEM_Str)==0 ){
    return SQLITE_OK;   /* Nothing to do */
  }

  if( pMem->flags & (MEM_Static|MEM_Ephem) ){
    return sqlite3VdbeMemMakeWriteable(pMem);
  }else{
    char *z = sqliteMalloc(pMem->n+2);
    if( !z ) return SQLITE_NOMEM;
    memcpy(z, pMem->z, pMem->n);
    z[pMem->n] = 0;
    z[pMem->n+1] = 0;
    if( pMem->xDel ){
      pMem->xDel(pMem->z);
    }else{
      sqliteFree(pMem->z);
    }
    pMem->xDel = 0;
    pMem->z = z;
  }
  return SQLITE_OK;
}

/*
................................................................................
    sqlite3VdbeChangeEncoding(pVal, enc & ~SQLITE_UTF16_ALIGNED);
    if( (enc & SQLITE_UTF16_ALIGNED)!=0 && 1==(1&(int)pVal->z) ){
      assert( (pVal->flags & (MEM_Ephem|MEM_Static))!=0 );
      if( sqlite3VdbeMemMakeWriteable(pVal)!=SQLITE_OK ){
        return 0;
      }
    }
    sqlite3VdbeMemNulTerminate(pVal);
  }else{
    assert( (pVal->flags&MEM_Blob)==0 );
    sqlite3VdbeMemStringify(pVal, enc);
    assert( 0==(1&(int)pVal->z) );
  }
  assert(pVal->enc==(enc & ~SQLITE_UTF16_ALIGNED) || sqlite3MallocFailed() );
  if( pVal->enc==(enc & ~SQLITE_UTF16_ALIGNED) ){
    return pVal->z;
  }else{

Changes to SQLite.Interop/src/vtab.c.

7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
..
35
36
37
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39
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274
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277
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286
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293




294
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355
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369
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440
441
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443
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445
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447
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449
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451
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453
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488
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494
495
496
497
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499
500
501
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503
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623
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625




626
627
628
629
630
631
632
...
633
634
635
636
637
638
639
640





641


642
643
644
645
646
647
648
**    May you do good and not evil.
**    May you find forgiveness for yourself and forgive others.
**    May you share freely, never taking more than you give.
**
*************************************************************************
** This file contains code used to help implement virtual tables.
**
** $Id: vtab.c,v 1.1 2006/08/13 15:56:09 rmsimpson Exp $
*/
#ifndef SQLITE_OMIT_VIRTUALTABLE
#include "sqliteInt.h"

/*
** External API function used to create a new virtual-table module.
*/
................................................................................
    pMod->pAux = pAux;
    pMod = (Module *)sqlite3HashInsert(&db->aModule, zCopy, nName, (void*)pMod);
    sqliteFree(pMod);
    sqlite3ResetInternalSchema(db, 0);
  }
  return sqlite3ApiExit(db, SQLITE_OK);
}
























/*
** Clear any and all virtual-table information from the Table record.
** This routine is called, for example, just before deleting the Table
** record.
*/
void sqlite3VtabClear(Table *p){
  sqlite3_vtab *pVtab = p->pVtab;
  if( pVtab ){
    assert( p->pMod && p->pMod->pModule );
    pVtab->nRef--;
    if( pVtab->nRef==0 ){
      pVtab->pModule->xDisconnect(pVtab);
    }
    p->pVtab = 0;
  }
  if( p->azModuleArg ){
    int i;
    for(i=0; i<p->nModuleArg; i++){
      sqliteFree(p->azModuleArg[i]);
    }
................................................................................
/*
** This routine takes the module argument that has been accumulating
** in pParse->zArg[] and appends it to the list of arguments on the
** virtual table currently under construction in pParse->pTable.
*/
static void addArgumentToVtab(Parse *pParse){
  if( pParse->sArg.z && pParse->pNewTable ){
    const char *z = pParse->sArg.z;
    int n = pParse->sArg.n;
    addModuleArgument(pParse->pNewTable, sqliteStrNDup(z, n));
  }
}

/*
** The parser calls this routine after the CREATE VIRTUAL TABLE statement
................................................................................
** pointer to the function to invoke is passed as the fourth parameter
** to this procedure.
*/
static int vtabCallConstructor(
  sqlite3 *db, 
  Table *pTab,
  Module *pMod,
  int (*xConstruct)(sqlite3*, void *, int, char **, sqlite3_vtab **),
  char **pzErr
){
  int rc;
  int rc2;

  char **azArg = pTab->azModuleArg;
  int nArg = pTab->nModuleArg;
  char *zErr = sqlite3MPrintf("vtable constructor failed: %s", pTab->zName);



  assert( !db->pVTab );
  assert( xConstruct );

  db->pVTab = pTab;
  rc = sqlite3SafetyOff(db);
  assert( rc==SQLITE_OK );
  rc = xConstruct(db, pMod->pAux, nArg, azArg, &pTab->pVtab);
  rc2 = sqlite3SafetyOn(db);

  if( rc==SQLITE_OK && pTab->pVtab ){
    pTab->pVtab->pModule = pMod->pModule;
    pTab->pVtab->nRef = 1;
  }

  if( SQLITE_OK!=rc ){
    *pzErr = zErr;
    zErr = 0;




  } else if( db->pVTab ){
    const char *zFormat = "vtable constructor did not declare schema: %s";
    *pzErr = sqlite3MPrintf(zFormat, pTab->zName);
    rc = SQLITE_ERROR;
  } 
  if( rc==SQLITE_OK ){
    rc = rc2;
  }
  db->pVTab = 0;
  sqliteFree(zErr);
  return rc;
}

/*
** This function is invoked by the parser to call the xConnect() method
** of the virtual table pTab. If an error occurs, an error code is returned 
** and an error left in pParse.
................................................................................
    }
    memset(&aVTrans[db->nVTrans], 0, sizeof(sqlite3_vtab *)*ARRAY_INCR);
    db->aVTrans = aVTrans;
  }

  /* Add pVtab to the end of sqlite3.aVTrans */
  db->aVTrans[db->nVTrans++] = pVtab;
  pVtab->nRef++;
  return SQLITE_OK;
}

/*
** This function is invoked by the vdbe to call the xCreate method
** of the virtual table named zTab in database iDb. 
**
................................................................................
  sParse.declareVtab = 0;

  sqlite3_finalize((sqlite3_stmt*)sParse.pVdbe);
  sqlite3DeleteTable(0, sParse.pNewTable);
  sParse.pNewTable = 0;
  db->pVTab = 0;


  return rc;
}

/*
** This function is invoked by the vdbe to call the xDestroy method
** of the virtual table named zTab in database iDb. This occurs
** when a DROP TABLE is mentioned.
................................................................................
static void callFinaliser(sqlite3 *db, int offset){
  int i;
  for(i=0; i<db->nVTrans && db->aVTrans[i]; i++){
    sqlite3_vtab *pVtab = db->aVTrans[i];
    int (*x)(sqlite3_vtab *);
    x = *(int (**)(sqlite3_vtab *))((char *)pVtab->pModule + offset);
    if( x ) x(pVtab);
    pVtab->nRef--;
    if( pVtab->nRef==0 ){
      pVtab->pModule->xDisconnect(pVtab);
    }
  }
  sqliteFree(db->aVTrans);
  db->nVTrans = 0;
  db->aVTrans = 0;
}

/*
................................................................................
){
  Table *pTab;
  sqlite3_vtab *pVtab;
  sqlite3_module *pMod;
  void (*xFunc)(sqlite3_context*,int,sqlite3_value**);
  void *pArg;
  FuncDef *pNew;





  /* Check to see the left operand is a column in a virtual table */
  if( pExpr==0 ) return pDef;
  if( pExpr->op!=TK_COLUMN ) return pDef;
  pTab = pExpr->pTab;
  if( pTab==0 ) return pDef;
  if( !pTab->isVirtual ) return pDef;
................................................................................
  pVtab = pTab->pVtab;
  assert( pVtab!=0 );
  assert( pVtab->pModule!=0 );
  pMod = (sqlite3_module *)pVtab->pModule;
  if( pMod->xFindFunction==0 ) return pDef;
 
  /* Call the xFuncFunction method on the virtual table implementation
  ** to see if the implementation wants to overload this function */





  if( pMod->xFindFunction(pVtab, nArg, pDef->zName, &xFunc, &pArg)==0 ){


    return pDef;
  }

  /* Create a new ephemeral function definition for the overloaded
  ** function */
  pNew = sqliteMalloc( sizeof(*pNew) + strlen(pDef->zName) );
  if( pNew==0 ){







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