System.Data.SQLite
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Overview
Comment:Update SQLite core library to the latest trunk code.
Downloads: Tarball | ZIP archive | SQL archive
Timelines: family | ancestors | descendants | both | trunk
Files: files | file ages | folders
SHA1:d5bde3713dd4456ca9725727633d16f00089e210
User & Date: mistachkin 2018-02-08 01:47:52
Context
2018-02-08
01:53
Bump version to 1.0.108.0. Update version history docs. check-in: c85016abb5 user: mistachkin tags: trunk
01:47
Update SQLite core library to the latest trunk code. check-in: d5bde3713d user: mistachkin tags: trunk
01:02
Sync up (fallback) error messages with those in the SQLite core library. Mask off extended error codes prior to using the fallback table. Add tests for preserving extended error codes in the SQLiteException class. check-in: accc5da1ee user: mistachkin tags: trunk
Changes
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Changes to SQLite.Interop/props/sqlite3.props.

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 *
 * Written by Joe Mistachkin.
 * Released to the public domain, use at your own risk!
 *
-->
<Project DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003" ToolsVersion="4.0">
  <PropertyGroup Label="UserMacros">
    <SQLITE_MANIFEST_VERSION>3.22.0.0</SQLITE_MANIFEST_VERSION>
    <SQLITE_RC_VERSION>3,22,0,0</SQLITE_RC_VERSION>
    <SQLITE_COMMON_DEFINES>_CRT_SECURE_NO_DEPRECATE;_CRT_SECURE_NO_WARNINGS;_CRT_NONSTDC_NO_DEPRECATE;_CRT_NONSTDC_NO_WARNINGS;SQLITE_THREADSAFE=1;SQLITE_USE_URI=1;SQLITE_ENABLE_COLUMN_METADATA=1;SQLITE_ENABLE_STAT4=1;SQLITE_ENABLE_FTS3=1;SQLITE_ENABLE_LOAD_EXTENSION=1;SQLITE_ENABLE_RTREE=1;SQLITE_SOUNDEX=1;SQLITE_ENABLE_MEMORY_MANAGEMENT=1;SQLITE_ENABLE_API_ARMOR=1;SQLITE_ENABLE_DBSTAT_VTAB=1;SQLITE_ENABLE_STMTVTAB=1</SQLITE_COMMON_DEFINES>
    <SQLITE_EXTRA_DEFINES>SQLITE_PLACEHOLDER=1;SQLITE_HAS_CODEC=1</SQLITE_EXTRA_DEFINES>
    <SQLITE_WINCE_200X_DEFINES>SQLITE_OMIT_WAL=1</SQLITE_WINCE_200X_DEFINES>
    <SQLITE_WINCE_2013_DEFINES>HAVE_ERRNO_H=1;SQLITE_MSVC_LOCALTIME_API=1</SQLITE_WINCE_2013_DEFINES>
    <SQLITE_DEBUG_DEFINES>SQLITE_DEBUG=1;SQLITE_MEMDEBUG=1;SQLITE_ENABLE_EXPENSIVE_ASSERT=1</SQLITE_DEBUG_DEFINES>
    <SQLITE_RELEASE_DEFINES>SQLITE_WIN32_MALLOC=1</SQLITE_RELEASE_DEFINES>
    <SQLITE_DISABLE_WARNINGS>4055;4100;4127;4146;4210;4232;4244;4245;4267;4306;4389;4701;4703;4706</SQLITE_DISABLE_WARNINGS>







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 * Written by Joe Mistachkin.
 * Released to the public domain, use at your own risk!
 *
-->
<Project DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003" ToolsVersion="4.0">
  <PropertyGroup Label="UserMacros">
    <SQLITE_MANIFEST_VERSION>3.23.0.0</SQLITE_MANIFEST_VERSION>
    <SQLITE_RC_VERSION>3,23,0,0</SQLITE_RC_VERSION>
    <SQLITE_COMMON_DEFINES>_CRT_SECURE_NO_DEPRECATE;_CRT_SECURE_NO_WARNINGS;_CRT_NONSTDC_NO_DEPRECATE;_CRT_NONSTDC_NO_WARNINGS;SQLITE_THREADSAFE=1;SQLITE_USE_URI=1;SQLITE_ENABLE_COLUMN_METADATA=1;SQLITE_ENABLE_STAT4=1;SQLITE_ENABLE_FTS3=1;SQLITE_ENABLE_LOAD_EXTENSION=1;SQLITE_ENABLE_RTREE=1;SQLITE_SOUNDEX=1;SQLITE_ENABLE_MEMORY_MANAGEMENT=1;SQLITE_ENABLE_API_ARMOR=1;SQLITE_ENABLE_DBSTAT_VTAB=1;SQLITE_ENABLE_STMTVTAB=1</SQLITE_COMMON_DEFINES>
    <SQLITE_EXTRA_DEFINES>SQLITE_PLACEHOLDER=1;SQLITE_HAS_CODEC=1</SQLITE_EXTRA_DEFINES>
    <SQLITE_WINCE_200X_DEFINES>SQLITE_OMIT_WAL=1</SQLITE_WINCE_200X_DEFINES>
    <SQLITE_WINCE_2013_DEFINES>HAVE_ERRNO_H=1;SQLITE_MSVC_LOCALTIME_API=1</SQLITE_WINCE_2013_DEFINES>
    <SQLITE_DEBUG_DEFINES>SQLITE_DEBUG=1;SQLITE_MEMDEBUG=1;SQLITE_ENABLE_EXPENSIVE_ASSERT=1</SQLITE_DEBUG_DEFINES>
    <SQLITE_RELEASE_DEFINES>SQLITE_WIN32_MALLOC=1</SQLITE_RELEASE_DEFINES>
    <SQLITE_DISABLE_WARNINGS>4055;4100;4127;4146;4210;4232;4244;4245;4267;4306;4389;4701;4703;4706</SQLITE_DISABLE_WARNINGS>

Changes to SQLite.Interop/props/sqlite3.vsprops.

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<VisualStudioPropertySheet
	ProjectType="Visual C++"
	Version="8.00"
	Name="sqlite3"
	>
	<UserMacro
		Name="SQLITE_MANIFEST_VERSION"
		Value="3.22.0.0"
		PerformEnvironmentSet="true"
	/>
	<UserMacro
		Name="SQLITE_RC_VERSION"
		Value="3,22,0,0"
		PerformEnvironmentSet="true"
	/>
	<UserMacro
		Name="SQLITE_COMMON_DEFINES"
		Value="_CRT_SECURE_NO_DEPRECATE;_CRT_SECURE_NO_WARNINGS;_CRT_NONSTDC_NO_DEPRECATE;_CRT_NONSTDC_NO_WARNINGS;SQLITE_THREADSAFE=1;SQLITE_USE_URI=1;SQLITE_ENABLE_COLUMN_METADATA=1;SQLITE_ENABLE_STAT4=1;SQLITE_ENABLE_FTS3=1;SQLITE_ENABLE_LOAD_EXTENSION=1;SQLITE_ENABLE_RTREE=1;SQLITE_SOUNDEX=1;SQLITE_ENABLE_MEMORY_MANAGEMENT=1;SQLITE_ENABLE_API_ARMOR=1;SQLITE_ENABLE_DBSTAT_VTAB=1;SQLITE_ENABLE_STMTVTAB=1"
		PerformEnvironmentSet="true"
	/>







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<VisualStudioPropertySheet
	ProjectType="Visual C++"
	Version="8.00"
	Name="sqlite3"
	>
	<UserMacro
		Name="SQLITE_MANIFEST_VERSION"
		Value="3.23.0.0"
		PerformEnvironmentSet="true"
	/>
	<UserMacro
		Name="SQLITE_RC_VERSION"
		Value="3,23,0,0"
		PerformEnvironmentSet="true"
	/>
	<UserMacro
		Name="SQLITE_COMMON_DEFINES"
		Value="_CRT_SECURE_NO_DEPRECATE;_CRT_SECURE_NO_WARNINGS;_CRT_NONSTDC_NO_DEPRECATE;_CRT_NONSTDC_NO_WARNINGS;SQLITE_THREADSAFE=1;SQLITE_USE_URI=1;SQLITE_ENABLE_COLUMN_METADATA=1;SQLITE_ENABLE_STAT4=1;SQLITE_ENABLE_FTS3=1;SQLITE_ENABLE_LOAD_EXTENSION=1;SQLITE_ENABLE_RTREE=1;SQLITE_SOUNDEX=1;SQLITE_ENABLE_MEMORY_MANAGEMENT=1;SQLITE_ENABLE_API_ARMOR=1;SQLITE_ENABLE_DBSTAT_VTAB=1;SQLITE_ENABLE_STMTVTAB=1"
		PerformEnvironmentSet="true"
	/>

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/******************************************************************************
** This file is an amalgamation of many separate C source files from SQLite
** version 3.22.0.  By combining all the individual C code files into this
** single large file, the entire code can be compiled as a single translation
** unit.  This allows many compilers to do optimizations that would not be
** possible if the files were compiled separately.  Performance improvements
** of 5% or more are commonly seen when SQLite is compiled as a single
** translation unit.
**
** This file is all you need to compile SQLite.  To use SQLite in other
................................................................................
** been edited in any way since it was last checked in, then the last
** four hexadecimal digits of the hash may be modified.
**
** See also: [sqlite3_libversion()],
** [sqlite3_libversion_number()], [sqlite3_sourceid()],
** [sqlite_version()] and [sqlite_source_id()].
*/
#define SQLITE_VERSION        "3.22.0"
#define SQLITE_VERSION_NUMBER 3022000
#define SQLITE_SOURCE_ID      "2018-01-22 18:45:57 0c55d179733b46d8d0ba4d88e01a25e10677046ee3da1d5b1581e86726f2171d"

/*
** CAPI3REF: Run-Time Library Version Numbers
** KEYWORDS: sqlite3_version sqlite3_sourceid
**
** These interfaces provide the same information as the [SQLITE_VERSION],
** [SQLITE_VERSION_NUMBER], and [SQLITE_SOURCE_ID] C preprocessor macros
................................................................................
** a schema change, on the first  [sqlite3_step()] call following any change
** to the [sqlite3_bind_text | bindings] of that [parameter]. 
** ^The specific value of WHERE-clause [parameter] might influence the 
** choice of query plan if the parameter is the left-hand side of a [LIKE]
** or [GLOB] operator or if the parameter is compared to an indexed column
** and the [SQLITE_ENABLE_STAT3] compile-time option is enabled.
** </li>

**
** <p>^sqlite3_prepare_v3() differs from sqlite3_prepare_v2() only in having
** the extra prepFlags parameter, which is a bit array consisting of zero or
** more of the [SQLITE_PREPARE_PERSISTENT|SQLITE_PREPARE_*] flags.  ^The
** sqlite3_prepare_v2() interface works exactly the same as
** sqlite3_prepare_v3() with a zero prepFlags parameter.
** </ol>
*/
SQLITE_API int sqlite3_prepare(
  sqlite3 *db,            /* Database handle */
  const char *zSql,       /* SQL statement, UTF-8 encoded */
  int nByte,              /* Maximum length of zSql in bytes. */
  sqlite3_stmt **ppStmt,  /* OUT: Statement handle */
  const char **pzTail     /* OUT: Pointer to unused portion of zSql */
................................................................................
};

/* Allowed values for Column.colFlags:
*/
#define COLFLAG_PRIMKEY  0x0001    /* Column is part of the primary key */
#define COLFLAG_HIDDEN   0x0002    /* A hidden column in a virtual table */
#define COLFLAG_HASTYPE  0x0004    /* Type name follows column name */


/*
** A "Collating Sequence" is defined by an instance of the following
** structure. Conceptually, a collating sequence consists of a name and
** a comparison routine that defines the order of that sequence.
**
** If CollSeq.xCmp is NULL, it means that the
................................................................................

/* One or more of the following flags are set to indicate the validOK
** representations of the value stored in the Mem struct.
**
** If the MEM_Null flag is set, then the value is an SQL NULL value.
** For a pointer type created using sqlite3_bind_pointer() or
** sqlite3_result_pointer() the MEM_Term and MEM_Subtype flags are also set.
** If both MEM_Null and MEM_Zero are set, that means that the value is
** an unchanging column value from VColumn.
**
** If the MEM_Str flag is set then Mem.z points at a string representation.
** Usually this is encoded in the same unicode encoding as the main
** database (see below for exceptions). If the MEM_Term flag is also
** set, then the string is nul terminated. The MEM_Int and MEM_Real 
** flags may coexist with the MEM_Str flag.
*/
................................................................................
  Mem *pOut;              /* The return value is stored here */
  FuncDef *pFunc;         /* Pointer to function information */
  Mem *pMem;              /* Memory cell used to store aggregate context */
  Vdbe *pVdbe;            /* The VM that owns this context */
  int iOp;                /* Instruction number of OP_Function */
  int isError;            /* Error code returned by the function. */
  u8 skipFlag;            /* Skip accumulator loading if true */
  u8 fErrorOrAux;         /* isError!=0 or pVdbe->pAuxData modified */
  u8 argc;                /* Number of arguments */
  sqlite3_value *argv[1]; /* Argument set */
};

/* A bitfield type for use inside of structures.  Always follow with :N where
** N is the number of bits.
*/
................................................................................
/*
** Convert zNum to a 64-bit signed integer.  zNum must be decimal. This
** routine does *not* accept hexadecimal notation.
**
** Returns:
**
**     0    Successful transformation.  Fits in a 64-bit signed integer.
**     1    Excess text after the integer value
**     2    Integer too large for a 64-bit signed integer or is malformed
**     3    Special case of 9223372036854775808
**
** length is the number of bytes in the string (bytes, not characters).
** The string is not necessarily zero-terminated.  The encoding is
** given by enc.
*/
................................................................................
    }
  }
  zStart = zNum;
  while( zNum<zEnd && zNum[0]=='0' ){ zNum+=incr; } /* Skip leading zeros. */
  for(i=0; &zNum[i]<zEnd && (c=zNum[i])>='0' && c<='9'; i+=incr){
    u = u*10 + c - '0';
  }



  if( u>LARGEST_INT64 ){




    *pNum = neg ? SMALLEST_INT64 : LARGEST_INT64;
  }else if( neg ){
    *pNum = -(i64)u;
  }else{
    *pNum = (i64)u;
  }
  testcase( i==18 );
  testcase( i==19 );
  testcase( i==20 );
  if( &zNum[i]<zEnd              /* Extra bytes at the end */
   || (i==0 && zStart==zNum)     /* No digits */
   || nonNum                     /* UTF16 with high-order bytes non-zero */
  ){
    rc = 1;
  }else{
    rc = 0;




  }
  if( i>19*incr ){                /* Too many digits */
    /* zNum is empty or contains non-numeric text or is longer
    ** than 19 digits (thus guaranteeing that it is too large) */
    return 2;



  }else if( i<19*incr ){
    /* Less than 19 digits, so we know that it fits in 64 bits */
    assert( u<=LARGEST_INT64 );
    return rc;
  }else{
    /* zNum is a 19-digit numbers.  Compare it against 9223372036854775808. */
    c = compare2pow63(zNum, incr);
    if( c<0 ){
      /* zNum is less than 9223372036854775808 so it fits */
      assert( u<=LARGEST_INT64 );
      return rc;


    }else if( c>0 ){
      /* zNum is greater than 9223372036854775808 so it overflows */
      return 2;
    }else{
      /* zNum is exactly 9223372036854775808.  Fits if negative.  The
      ** special case 2 overflow if positive */
      assert( u-1==LARGEST_INT64 );
      return neg ? rc : 3;

    }
  }
}

/*
** Transform a UTF-8 integer literal, in either decimal or hexadecimal,
** into a 64-bit signed integer.  This routine accepts hexadecimal literals,
................................................................................
** is held when required. This function is only used as part of assert() 
** statements. e.g.
**
**   unixEnterMutex()
**     assert( unixMutexHeld() );
**   unixEnterLeave()
*/

static void unixEnterMutex(void){
  sqlite3_mutex_enter(sqlite3MutexAlloc(SQLITE_MUTEX_STATIC_VFS1));
}
static void unixLeaveMutex(void){
  sqlite3_mutex_leave(sqlite3MutexAlloc(SQLITE_MUTEX_STATIC_VFS1));
}
#ifdef SQLITE_DEBUG
static int unixMutexHeld(void) {
  return sqlite3_mutex_held(sqlite3MutexAlloc(SQLITE_MUTEX_STATIC_VFS1));
}
#endif


#ifdef SQLITE_HAVE_OS_TRACE
/*
** Helper function for printing out trace information from debugging
................................................................................
  ** the same instant might all reset the PRNG.  But multiple resets
  ** are harmless.
  */
  if( randomnessPid!=osGetpid(0) ){
    randomnessPid = osGetpid(0);
    sqlite3_randomness(0,0);
  }

  memset(p, 0, sizeof(unixFile));

  if( eType==SQLITE_OPEN_MAIN_DB ){
    UnixUnusedFd *pUnused;
    pUnused = findReusableFd(zName, flags);
    if( pUnused ){
      fd = pUnused->fd;
................................................................................
  ** correctly.  See ticket [bb3a86e890c8e96ab] */
  assert( ArraySize(aSyscall)==29 );

  /* Register all VFSes defined in the aVfs[] array */
  for(i=0; i<(sizeof(aVfs)/sizeof(sqlite3_vfs)); i++){
    sqlite3_vfs_register(&aVfs[i], i==0);
  }

  return SQLITE_OK; 
}

/*
** Shutdown the operating system interface.
**
** Some operating systems might need to do some cleanup in this routine,
** to release dynamically allocated objects.  But not on unix.
** This routine is a no-op for unix.
*/
SQLITE_API int sqlite3_os_end(void){ 

  return SQLITE_OK; 
}
 
#endif /* SQLITE_OS_UNIX */

/************** End of os_unix.c *********************************************/
/************** Begin file os_win.c ******************************************/
................................................................................
** is held when required. This function is only used as part of assert()
** statements. e.g.
**
**   winShmEnterMutex()
**     assert( winShmMutexHeld() );
**   winShmLeaveMutex()
*/

static void winShmEnterMutex(void){
  sqlite3_mutex_enter(sqlite3MutexAlloc(SQLITE_MUTEX_STATIC_VFS1));
}
static void winShmLeaveMutex(void){
  sqlite3_mutex_leave(sqlite3MutexAlloc(SQLITE_MUTEX_STATIC_VFS1));
}
#ifndef NDEBUG
static int winShmMutexHeld(void) {
  return sqlite3_mutex_held(sqlite3MutexAlloc(SQLITE_MUTEX_STATIC_VFS1));
}
#endif

/*
** Object used to represent a single file opened and mmapped to provide
** shared memory.  When multiple threads all reference the same
** log-summary, each thread has its own winFile object, but they all
................................................................................
#endif

  sqlite3_vfs_register(&winNolockVfs, 0);

#if defined(SQLITE_WIN32_HAS_WIDE)
  sqlite3_vfs_register(&winLongPathNolockVfs, 0);
#endif





  return SQLITE_OK;
}

SQLITE_API int sqlite3_os_end(void){
#if SQLITE_OS_WINRT
  if( sleepObj!=NULL ){
    osCloseHandle(sleepObj);
    sleepObj = NULL;
  }
#endif





  return SQLITE_OK;
}

#endif /* SQLITE_OS_WIN */

/************** End of os_win.c **********************************************/
/************** Begin file bitvec.c ******************************************/
................................................................................
  assert( isOpen(pPager->fd) );
  dc = sqlite3OsDeviceCharacteristics(pPager->fd);
#else
  UNUSED_PARAMETER(pPager);
#endif

#ifdef SQLITE_ENABLE_BATCH_ATOMIC_WRITE
  if( dc&SQLITE_IOCAP_BATCH_ATOMIC ){
    return -1;
  }
#endif

#ifdef SQLITE_ENABLE_ATOMIC_WRITE
  {
    int nSector = pPager->sectorSize;
................................................................................
  PgHdr *pNext;
  for(p=pPager->pMmapFreelist; p; p=pNext){
    pNext = p->pDirty;
    sqlite3_free(p);
  }
}


























/*
** Shutdown the page cache.  Free all memory and close all files.
**
** If a transaction was in progress when this routine is called, that
** transaction is rolled back.  All outstanding pages are invalidated
** and their memory is freed.  Any attempt to use a page associated
................................................................................
**
** This function always succeeds. If a transaction is active an attempt
** is made to roll it back. If an error occurs during the rollback 
** a hot journal may be left in the filesystem but no error is returned
** to the caller.
*/
SQLITE_PRIVATE int sqlite3PagerClose(Pager *pPager, sqlite3 *db){
  u8 *pTmp = (u8 *)pPager->pTmpSpace;

  assert( db || pagerUseWal(pPager)==0 );
  assert( assert_pager_state(pPager) );
  disable_simulated_io_errors();
  sqlite3BeginBenignMalloc();
  pagerFreeMapHdrs(pPager);
  /* pPager->errCode = 0; */
  pPager->exclusiveMode = 0;
#ifndef SQLITE_OMIT_WAL


  assert( db || pPager->pWal==0 );
  sqlite3WalClose(pPager->pWal, db, pPager->walSyncFlags, pPager->pageSize,
      (db && (db->flags & SQLITE_NoCkptOnClose) ? 0 : pTmp)

  );



  pPager->pWal = 0;

#endif
  pager_reset(pPager);
  if( MEMDB ){
    pager_unlock(pPager);
  }else{
    /* If it is open, sync the journal file before calling UnlockAndRollback.
    ** If this is not done, then an unsynced portion of the open journal 
................................................................................
  /* pPager->szMmap = SQLITE_DEFAULT_MMAP_SIZE // will be set by btree.c */

  *ppPager = pPager;
  return SQLITE_OK;
}


/* Verify that the database file has not be deleted or renamed out from
** under the pager.  Return SQLITE_OK if the database is still were it ought
** to be on disk.  Return non-zero (SQLITE_READONLY_DBMOVED or some other error
** code from sqlite3OsAccess()) if the database has gone missing.
*/
static int databaseIsUnmoved(Pager *pPager){
  int bHasMoved = 0;
  int rc;

  if( pPager->tempFile ) return SQLITE_OK;
  if( pPager->dbSize==0 ) return SQLITE_OK;
  assert( pPager->zFilename && pPager->zFilename[0] );
  rc = sqlite3OsFileControl(pPager->fd, SQLITE_FCNTL_HAS_MOVED, &bHasMoved);
  if( rc==SQLITE_NOTFOUND ){
    /* If the HAS_MOVED file-control is unimplemented, assume that the file
    ** has not been moved.  That is the historical behavior of SQLite: prior to
    ** version 3.8.3, it never checked */
    rc = SQLITE_OK;
  }else if( rc==SQLITE_OK && bHasMoved ){
    rc = SQLITE_READONLY_DBMOVED;
  }
  return rc;
}


/*
** This function is called after transitioning from PAGER_UNLOCK to
** PAGER_SHARED state. It tests if there is a hot journal present in
** the file-system for the given pager. A hot journal is one that 
** needs to be played back. According to this function, a hot-journal
** file exists if the following criteria are met:
................................................................................
        rc = sqlite3OsFileControl(fd, SQLITE_FCNTL_BEGIN_ATOMIC_WRITE, 0);
        if( rc!=SQLITE_OK ) goto commit_phase_one_exit;
      }
      rc = pager_write_pagelist(pPager,sqlite3PcacheDirtyList(pPager->pPCache));
      if( bBatch ){
        if( rc==SQLITE_OK ){
          rc = sqlite3OsFileControl(fd, SQLITE_FCNTL_COMMIT_ATOMIC_WRITE, 0);
        }else{
          sqlite3OsFileControl(fd, SQLITE_FCNTL_ROLLBACK_ATOMIC_WRITE, 0);

        }
      }

      if( rc!=SQLITE_OK ){
        assert( rc!=SQLITE_IOERR_BLOCKED );
        goto commit_phase_one_exit;
      }
................................................................................
**    eState==FAULT:                   Cursor fault with skipNext as error code.
*/
struct BtCursor {
  u8 eState;                /* One of the CURSOR_XXX constants (see below) */
  u8 curFlags;              /* zero or more BTCF_* flags defined below */
  u8 curPagerFlags;         /* Flags to send to sqlite3PagerGet() */
  u8 hints;                 /* As configured by CursorSetHints() */
  int nOvflAlloc;           /* Allocated size of aOverflow[] array */

  Btree *pBtree;            /* The Btree to which this cursor belongs */
  BtShared *pBt;            /* The BtShared this cursor points to */
  BtCursor *pNext;          /* Forms a linked list of all cursors */
  Pgno *aOverflow;          /* Cache of overflow page locations */
  CellInfo info;            /* A parse of the cell we are pointing at */
  i64 nKey;                 /* Size of pKey, or last integer key */
  void *pKey;               /* Saved key that was cursor last known position */
  Pgno pgnoRoot;            /* The root page of this tree */
  int skipNext;    /* Prev() is noop if negative. Next() is noop if positive.
                   ** Error code if eState==CURSOR_FAULT */
  /* All fields above are zeroed when the cursor is allocated.  See
  ** sqlite3BtreeCursorZero().  Fields that follow must be manually
  ** initialized. */






  i8 iPage;                 /* Index of current page in apPage */
  u8 curIntKey;             /* Value of apPage[0]->intKey */
  u16 ix;                   /* Current index for apPage[iPage] */
  u16 aiIdx[BTCURSOR_MAX_DEPTH-1];     /* Current index in apPage[i] */
  struct KeyInfo *pKeyInfo;            /* Arg passed to comparison function */
  MemPage *pPage;                        /* Current page */
  MemPage *apPage[BTCURSOR_MAX_DEPTH-1]; /* Stack of parents of current page */
................................................................................
** CURSOR_FAULT:
**   An unrecoverable error (an I/O error or a malloc failure) has occurred
**   on a different connection that shares the BtShared cache with this
**   cursor.  The error has left the cache in an inconsistent state.
**   Do nothing else with this cursor.  Any attempt to use the cursor
**   should return the error code stored in BtCursor.skipNext
*/
#define CURSOR_INVALID           0
#define CURSOR_VALID             1

#define CURSOR_SKIPNEXT          2
#define CURSOR_REQUIRESEEK       3
#define CURSOR_FAULT             4

/* 
** The database page the PENDING_BYTE occupies. This page is never used.
*/
................................................................................
**
** The simple approach here would be to memset() the entire object
** to zero.  But it turns out that the apPage[] and aiIdx[] arrays
** do not need to be zeroed and they are large, so we can save a lot
** of run-time by skipping the initialization of those elements.
*/
SQLITE_PRIVATE void sqlite3BtreeCursorZero(BtCursor *p){
  memset(p, 0, offsetof(BtCursor, iPage));
}

/*
** Close a cursor.  The read lock on the database file is released
** when the last cursor is closed.
*/
SQLITE_PRIVATE int sqlite3BtreeCloseCursor(BtCursor *pCur){
................................................................................
    ** The aOverflow[] array is sized at one entry for each overflow page
    ** in the overflow chain. The page number of the first overflow page is
    ** stored in aOverflow[0], etc. A value of 0 in the aOverflow[] array
    ** means "not yet known" (the cache is lazily populated).
    */
    if( (pCur->curFlags & BTCF_ValidOvfl)==0 ){
      int nOvfl = (pCur->info.nPayload-pCur->info.nLocal+ovflSize-1)/ovflSize;
      if( nOvfl>pCur->nOvflAlloc ){


        Pgno *aNew = (Pgno*)sqlite3Realloc(
            pCur->aOverflow, nOvfl*2*sizeof(Pgno)
        );
        if( aNew==0 ){
          return SQLITE_NOMEM_BKPT;
        }else{
          pCur->nOvflAlloc = nOvfl*2;
          pCur->aOverflow = aNew;
        }
      }
      memset(pCur->aOverflow, 0, nOvfl*sizeof(Pgno));
      pCur->curFlags |= BTCF_ValidOvfl;
    }else{
      /* If the overflow page-list cache has been allocated and the
................................................................................
static void freePage(MemPage *pPage, int *pRC){
  if( (*pRC)==SQLITE_OK ){
    *pRC = freePage2(pPage->pBt, pPage, pPage->pgno);
  }
}

/*
** Free any overflow pages associated with the given Cell.  Write the
** local Cell size (the number of bytes on the original page, omitting
** overflow) into *pnSize.
*/
static int clearCell(
  MemPage *pPage,          /* The page that contains the Cell */
  unsigned char *pCell,    /* First byte of the Cell */
  CellInfo *pInfo          /* Size information about the cell */
){
  BtShared *pBt;
................................................................................
    */
    if( pOld->aData[0]!=apOld[0]->aData[0] ){
      rc = SQLITE_CORRUPT_BKPT;
      goto balance_cleanup;
    }

    /* Load b.apCell[] with pointers to all cells in pOld.  If pOld
    ** constains overflow cells, include them in the b.apCell[] array
    ** in the correct spot.
    **
    ** Note that when there are multiple overflow cells, it is always the
    ** case that they are sequential and adjacent.  This invariant arises
    ** because multiple overflows can only occurs when inserting divider
    ** cells into a parent on a prior balance, and divider cells are always
    ** adjacent and are inserted in order.  There is an assert() tagged
................................................................................
      ((p->flags&MEM_Static)!=0 ? 1 : 0) == 1
    );
  }
  return 1;
}
#endif















































/*
** If pMem is an object with a valid string representation, this routine
** ensures the internal encoding for the string representation is
** 'desiredEnc', one of SQLITE_UTF8, SQLITE_UTF16LE or SQLITE_UTF16BE.
**
** If pMem is not a string object, or the encoding of the string
................................................................................
  assert( pMem->db==0 || sqlite3_mutex_held(pMem->db->mutex) );
  assert( EIGHT_BYTE_ALIGNMENT(pMem) );

  pMem->u.r = sqlite3VdbeRealValue(pMem);
  MemSetTypeFlag(pMem, MEM_Real);
  return SQLITE_OK;
}













/*
** Convert pMem so that it has types MEM_Real or MEM_Int or both.
** Invalidate any prior representations.
**
** Every effort is made to force the conversion, even if the input
** is a string that does not look completely like a number.  Convert
................................................................................
    assert( pMem->db==0 || sqlite3_mutex_held(pMem->db->mutex) );
    rc = sqlite3Atoi64(pMem->z, &pMem->u.i, pMem->n, pMem->enc);
    if( rc==0 ){
      MemSetTypeFlag(pMem, MEM_Int);
    }else{
      i64 i = pMem->u.i;
      sqlite3AtoF(pMem->z, &pMem->u.r, pMem->n, pMem->enc);
      if( rc==1 && pMem->u.r==(double)i ){
        pMem->u.i = i;
        MemSetTypeFlag(pMem, MEM_Int);
      }else{
        MemSetTypeFlag(pMem, MEM_Real);
      }
    }
  }
................................................................................
  }else{
    sqlite3VdbeMemStringify(pVal, enc, 0);
    assert( 0==(1&SQLITE_PTR_TO_INT(pVal->z)) );
  }
  assert(pVal->enc==(enc & ~SQLITE_UTF16_ALIGNED) || pVal->db==0
              || pVal->db->mallocFailed );
  if( pVal->enc==(enc & ~SQLITE_UTF16_ALIGNED) ){

    return pVal->z;
  }else{
    return 0;
  }
}

/* This function is only available internally, it is not part of the
................................................................................
*/
SQLITE_PRIVATE const void *sqlite3ValueText(sqlite3_value* pVal, u8 enc){
  if( !pVal ) return 0;
  assert( pVal->db==0 || sqlite3_mutex_held(pVal->db->mutex) );
  assert( (enc&3)==(enc&~SQLITE_UTF16_ALIGNED) );
  assert( (pVal->flags & MEM_RowSet)==0 );
  if( (pVal->flags&(MEM_Str|MEM_Term))==(MEM_Str|MEM_Term) && pVal->enc==enc ){

    return pVal->z;
  }
  if( pVal->flags&MEM_Null ){
    return 0;
  }
  return valueToText(pVal, enc);
}
................................................................................
SQLITE_API void sqlite3_result_double(sqlite3_context *pCtx, double rVal){
  assert( sqlite3_mutex_held(pCtx->pOut->db->mutex) );
  sqlite3VdbeMemSetDouble(pCtx->pOut, rVal);
}
SQLITE_API void sqlite3_result_error(sqlite3_context *pCtx, const char *z, int n){
  assert( sqlite3_mutex_held(pCtx->pOut->db->mutex) );
  pCtx->isError = SQLITE_ERROR;
  pCtx->fErrorOrAux = 1;
  sqlite3VdbeMemSetStr(pCtx->pOut, z, n, SQLITE_UTF8, SQLITE_TRANSIENT);
}
#ifndef SQLITE_OMIT_UTF16
SQLITE_API void sqlite3_result_error16(sqlite3_context *pCtx, const void *z, int n){
  assert( sqlite3_mutex_held(pCtx->pOut->db->mutex) );
  pCtx->isError = SQLITE_ERROR;
  pCtx->fErrorOrAux = 1;
  sqlite3VdbeMemSetStr(pCtx->pOut, z, n, SQLITE_UTF16NATIVE, SQLITE_TRANSIENT);
}
#endif
SQLITE_API void sqlite3_result_int(sqlite3_context *pCtx, int iVal){
  assert( sqlite3_mutex_held(pCtx->pOut->db->mutex) );
  sqlite3VdbeMemSetInt64(pCtx->pOut, (i64)iVal);
}
................................................................................
  if( n>(u64)pOut->db->aLimit[SQLITE_LIMIT_LENGTH] ){
    return SQLITE_TOOBIG;
  }
  sqlite3VdbeMemSetZeroBlob(pCtx->pOut, (int)n);
  return SQLITE_OK;
}
SQLITE_API void sqlite3_result_error_code(sqlite3_context *pCtx, int errCode){
  pCtx->isError = errCode;
  pCtx->fErrorOrAux = 1;
#ifdef SQLITE_DEBUG
  if( pCtx->pVdbe ) pCtx->pVdbe->rcApp = errCode;
#endif
  if( pCtx->pOut->flags & MEM_Null ){
    sqlite3VdbeMemSetStr(pCtx->pOut, sqlite3ErrStr(errCode), -1, 
                         SQLITE_UTF8, SQLITE_STATIC);
  }
}

/* Force an SQLITE_TOOBIG error. */
SQLITE_API void sqlite3_result_error_toobig(sqlite3_context *pCtx){
  assert( sqlite3_mutex_held(pCtx->pOut->db->mutex) );
  pCtx->isError = SQLITE_TOOBIG;
  pCtx->fErrorOrAux = 1;
  sqlite3VdbeMemSetStr(pCtx->pOut, "string or blob too big", -1, 
                       SQLITE_UTF8, SQLITE_STATIC);
}

/* An SQLITE_NOMEM error. */
SQLITE_API void sqlite3_result_error_nomem(sqlite3_context *pCtx){
  assert( sqlite3_mutex_held(pCtx->pOut->db->mutex) );
  sqlite3VdbeMemSetNull(pCtx->pOut);
  pCtx->isError = SQLITE_NOMEM_BKPT;
  pCtx->fErrorOrAux = 1;
  sqlite3OomFault(pCtx->pOut->db);
}

/*
** This function is called after a transaction has been committed. It 
** invokes callbacks registered with sqlite3_wal_hook() as required.
*/
................................................................................
  if( pAuxData==0 ){
    pAuxData = sqlite3DbMallocZero(pVdbe->db, sizeof(AuxData));
    if( !pAuxData ) goto failed;
    pAuxData->iAuxOp = pCtx->iOp;
    pAuxData->iAuxArg = iArg;
    pAuxData->pNextAux = pVdbe->pAuxData;
    pVdbe->pAuxData = pAuxData;
    if( pCtx->fErrorOrAux==0 ){
      pCtx->isError = 0;
      pCtx->fErrorOrAux = 1;
    }
  }else if( pAuxData->xDeleteAux ){
    pAuxData->xDeleteAux(pAuxData->pAux);
  }

  pAuxData->pAux = pAux;
  pAuxData->xDeleteAux = xDelete;
  return;
................................................................................
    pRec->u.i = iValue;
    pRec->flags |= MEM_Int;
  }else{
    pRec->u.r = rValue;
    pRec->flags |= MEM_Real;
    if( bTryForInt ) sqlite3VdbeIntegerAffinity(pRec);
  }





}

/*
** Processing is determine by the affinity parameter:
**
** SQLITE_AFF_INTEGER:
** SQLITE_AFF_REAL:
................................................................................
case OP_If:                 /* jump, in1 */
case OP_IfNot: {            /* jump, in1 */
  int c;
  pIn1 = &aMem[pOp->p1];
  if( pIn1->flags & MEM_Null ){
    c = pOp->p3;
  }else{
#ifdef SQLITE_OMIT_FLOATING_POINT
    c = sqlite3VdbeIntValue(pIn1)!=0;
#else
    c = sqlite3VdbeRealValue(pIn1)!=0.0;
#endif

    if( pOp->opcode==OP_IfNot ) c = !c;
  }
  VdbeBranchTaken(c!=0, 2);
  if( c ){
    goto jump_to_p2;
  }
  break;
................................................................................
  sqlite3_context *pCtx;

  assert( pOp->p4type==P4_FUNCDEF );
  n = pOp->p5;
  assert( pOp->p3>0 && pOp->p3<=(p->nMem+1 - p->nCursor) );
  assert( n==0 || (pOp->p2>0 && pOp->p2+n<=(p->nMem+1 - p->nCursor)+1) );
  assert( pOp->p3<pOp->p2 || pOp->p3>=pOp->p2+n );
  pCtx = sqlite3DbMallocRawNN(db, sizeof(*pCtx) + (n-1)*sizeof(sqlite3_value*));

  if( pCtx==0 ) goto no_mem;
  pCtx->pMem = 0;


  pCtx->pFunc = pOp->p4.pFunc;
  pCtx->iOp = (int)(pOp - aOp);
  pCtx->pVdbe = p;


  pCtx->argc = n;
  pOp->p4type = P4_FUNCCTX;
  pOp->p4.pCtx = pCtx;
  pOp->opcode = OP_AggStep;
  /* Fall through into OP_AggStep */
}
case OP_AggStep: {
  int i;
  sqlite3_context *pCtx;
  Mem *pMem;
  Mem t;

  assert( pOp->p4type==P4_FUNCCTX );
  pCtx = pOp->p4.pCtx;
  pMem = &aMem[pOp->p3];

  /* If this function is inside of a trigger, the register array in aMem[]
  ** might change from one evaluation to the next.  The next block of code
................................................................................
  for(i=0; i<pCtx->argc; i++){
    assert( memIsValid(pCtx->argv[i]) );
    REGISTER_TRACE(pOp->p2+i, pCtx->argv[i]);
  }
#endif

  pMem->n++;
  sqlite3VdbeMemInit(&t, db, MEM_Null);
  pCtx->pOut = &t;
  pCtx->fErrorOrAux = 0;
  pCtx->skipFlag = 0;
  (pCtx->pFunc->xSFunc)(pCtx,pCtx->argc,pCtx->argv); /* IMP: R-24505-23230 */
  if( pCtx->fErrorOrAux ){
    if( pCtx->isError ){
      sqlite3VdbeError(p, "%s", sqlite3_value_text(&t));
      rc = pCtx->isError;
    }
    sqlite3VdbeMemRelease(&t);
    if( rc ) goto abort_due_to_error;
  }else{
    assert( t.flags==MEM_Null );
  }
  if( pCtx->skipFlag ){
    assert( pOp[-1].opcode==OP_CollSeq );
    i = pOp[-1].p1;
    if( i ) sqlite3VdbeMemSetInt64(&aMem[i], 1);

  }







  break;
}

/* Opcode: AggFinal P1 P2 * P4 *
** Synopsis: accum=r[P1] N=P2
**
** Execute the finalizer function for an aggregate.  P1 is
................................................................................
    pDest->flags = MEM_Null|MEM_Zero;
    pDest->u.nZero = 0;
  }else{
    MemSetTypeFlag(pDest, MEM_Null);
  }
  rc = pModule->xColumn(pCur->uc.pVCur, &sContext, pOp->p2);
  sqlite3VtabImportErrmsg(p, pVtab);
  if( sContext.isError ){

    rc = sContext.isError;
  }
  sqlite3VdbeChangeEncoding(pDest, encoding);
  REGISTER_TRACE(pOp->p3, pDest);
  UPDATE_MAX_BLOBSIZE(pDest);

  if( sqlite3VdbeMemTooBig(pDest) ){
................................................................................
  assert( pOp->p3<pOp->p2 || pOp->p3>=pOp->p2+n );
  pCtx = sqlite3DbMallocRawNN(db, sizeof(*pCtx) + (n-1)*sizeof(sqlite3_value*));
  if( pCtx==0 ) goto no_mem;
  pCtx->pOut = 0;
  pCtx->pFunc = pOp->p4.pFunc;
  pCtx->iOp = (int)(pOp - aOp);
  pCtx->pVdbe = p;

  pCtx->argc = n;
  pOp->p4type = P4_FUNCCTX;
  pOp->p4.pCtx = pCtx;
  assert( OP_PureFunc == OP_PureFunc0+2 );
  assert( OP_Function == OP_Function0+2 );
  pOp->opcode += 2;
  /* Fall through into OP_Function */
................................................................................
#ifdef SQLITE_DEBUG
  for(i=0; i<pCtx->argc; i++){
    assert( memIsValid(pCtx->argv[i]) );
    REGISTER_TRACE(pOp->p2+i, pCtx->argv[i]);
  }
#endif
  MemSetTypeFlag(pOut, MEM_Null);
  pCtx->fErrorOrAux = 0;
  (*pCtx->pFunc->xSFunc)(pCtx, pCtx->argc, pCtx->argv);/* IMP: R-24505-23230 */

  /* If the function returned an error, throw an exception */
  if( pCtx->fErrorOrAux ){
    if( pCtx->isError ){
      sqlite3VdbeError(p, "%s", sqlite3_value_text(pOut));
      rc = pCtx->isError;
    }
    sqlite3VdbeDeleteAuxData(db, &p->pAuxData, pCtx->iOp, pOp->p1);

    if( rc ) goto abort_due_to_error;
  }

  /* Copy the result of the function into register P3 */
  if( pOut->flags & (MEM_Str|MEM_Blob) ){
    sqlite3VdbeChangeEncoding(pOut, encoding);
    if( sqlite3VdbeMemTooBig(pOut) ) goto too_big;
................................................................................
** first time they are evaluated for this run.
**
** If P3 is not zero, then it is an address to jump to if an SQLITE_CORRUPT
** error is encountered.
*/
case OP_Trace:
case OP_Init: {          /* jump */
  char *zTrace;
  int i;




  /* If the P4 argument is not NULL, then it must be an SQL comment string.
  ** The "--" string is broken up to prevent false-positives with srcck1.c.
  **
  ** This assert() provides evidence for:
  ** EVIDENCE-OF: R-50676-09860 The callback can compute the same text that
  ** would have been returned by the legacy sqlite3_trace() interface by
................................................................................
** This routine is called by the parser while in the middle of
** parsing a CREATE TABLE statement.  A "NOT NULL" constraint has
** been seen on a column.  This routine sets the notNull flag on
** the column currently under construction.
*/
SQLITE_PRIVATE void sqlite3AddNotNull(Parse *pParse, int onError){
  Table *p;

  p = pParse->pNewTable;
  if( p==0 || NEVER(p->nCol<1) ) return;

  p->aCol[p->nCol-1].notNull = (u8)onError;
  p->tabFlags |= TF_HasNotNull;












}

/*
** Scan the column type name zType (length nType) and return the
** associated affinity type.
**
** This routine does a case-independent search of zType for the 
................................................................................

  /* If pList==0, it means this routine was called to make a primary
  ** key out of the last column added to the table under construction.
  ** So create a fake list to simulate this.
  */
  if( pList==0 ){
    Token prevCol;


    sqlite3TokenInit(&prevCol, pTab->aCol[pTab->nCol-1].zName);
    pList = sqlite3ExprListAppend(pParse, 0,
              sqlite3ExprAlloc(db, TK_ID, &prevCol, 0));
    if( pList==0 ) goto exit_create_index;
    assert( pList->nExpr==1 );
    sqlite3ExprListSetSortOrder(pList, sortOrder);
  }else{
    sqlite3ExprListCheckLength(pParse, pList, "index");
................................................................................
}

/*
** Indicate that the accumulator load should be skipped on this
** iteration of the aggregate loop.
*/
static void sqlite3SkipAccumulatorLoad(sqlite3_context *context){


  context->skipFlag = 1;
}

/*
** Implementation of the non-aggregate min() and max() functions
*/
static void minmaxFunc(
................................................................................
** Implementation of the length() function
*/
static void lengthFunc(
  sqlite3_context *context,
  int argc,
  sqlite3_value **argv
){
  int len;

  assert( argc==1 );
  UNUSED_PARAMETER(argc);
  switch( sqlite3_value_type(argv[0]) ){
    case SQLITE_BLOB:
    case SQLITE_INTEGER:
    case SQLITE_FLOAT: {
      sqlite3_result_int(context, sqlite3_value_bytes(argv[0]));
      break;
    }
    case SQLITE_TEXT: {
      const unsigned char *z = sqlite3_value_text(argv[0]);


      if( z==0 ) return;
      len = 0;
      while( *z ){
        len++;
        SQLITE_SKIP_UTF8(z);


      }

      sqlite3_result_int(context, len);
      break;
    }
    default: {
      sqlite3_result_null(context);
      break;
    }
  }
................................................................................
#define sqlite3_prepare_v3             sqlite3_api->prepare_v3
#define sqlite3_prepare16_v3           sqlite3_api->prepare16_v3
#define sqlite3_bind_pointer           sqlite3_api->bind_pointer
#define sqlite3_result_pointer         sqlite3_api->result_pointer
#define sqlite3_value_pointer          sqlite3_api->value_pointer
/* Version 3.22.0 and later */
#define sqlite3_vtab_nochange          sqlite3_api->vtab_nochange
#define sqlite3_value_nochange         sqltie3_api->value_nochange
#define sqlite3_vtab_collation         sqltie3_api->vtab_collation
#endif /* !defined(SQLITE_CORE) && !defined(SQLITE_OMIT_LOAD_EXTENSION) */

#if !defined(SQLITE_CORE) && !defined(SQLITE_OMIT_LOAD_EXTENSION)
  /* This case when the file really is being compiled as a loadable 
  ** extension */
# define SQLITE_EXTENSION_INIT1     const sqlite3_api_routines *sqlite3_api=0;
# define SQLITE_EXTENSION_INIT2(v)  sqlite3_api=v;
................................................................................
    bSeq = 0;
  }else{
    addr = 1 + sqlite3VdbeAddOp2(v, OP_Sort, iTab, addrBreak); VdbeCoverage(v);
    codeOffset(v, p->iOffset, addrContinue);
    iSortTab = iTab;
    bSeq = 1;
  }
  for(i=0, iCol=nKey+bSeq; i<nSortData; i++){



    int iRead;
    if( aOutEx[i].u.x.iOrderByCol ){
      iRead = aOutEx[i].u.x.iOrderByCol-1;
    }else{
      iRead = iCol++;
    }
    sqlite3VdbeAddOp3(v, OP_Column, iSortTab, iRead, regRow+i);
    VdbeComment((v, "%s", aOutEx[i].zName ? aOutEx[i].zName : aOutEx[i].zSpan));
  }
  switch( eDest ){
    case SRT_Table:
    case SRT_EphemTab: {
................................................................................
    pE = pTerm->pExpr;
    assert( !ExprHasProperty(pE, EP_FromJoin) );
    assert( (pTerm->prereqRight & pLevel->notReady)!=0 );
    pAlt = sqlite3WhereFindTerm(pWC, iCur, pTerm->u.leftColumn, notReady,
                    WO_EQ|WO_IN|WO_IS, 0);
    if( pAlt==0 ) continue;
    if( pAlt->wtFlags & (TERM_CODED) ) continue;






    testcase( pAlt->eOperator & WO_EQ );
    testcase( pAlt->eOperator & WO_IS );
    testcase( pAlt->eOperator & WO_IN );
    VdbeModuleComment((v, "begin transitive constraint"));
    sEAlt = *pAlt->pExpr;
    sEAlt.pLeft = pE->pLeft;
    sqlite3ExprIfFalse(pParse, &sEAlt, addrCont, SQLITE_JUMPIFNULL);
................................................................................
    mask |= sqlite3WhereExprUsage(pMaskSet, pS->pWhere);
    mask |= sqlite3WhereExprUsage(pMaskSet, pS->pHaving);
    if( ALWAYS(pSrc!=0) ){
      int i;
      for(i=0; i<pSrc->nSrc; i++){
        mask |= exprSelectUsage(pMaskSet, pSrc->a[i].pSelect);
        mask |= sqlite3WhereExprUsage(pMaskSet, pSrc->a[i].pOn);



      }
    }
    pS = pS->pPrior;
  }
  return mask;
}

................................................................................
    }else if( eOp & (WO_EQ|WO_IS) ){
      int iCol = pProbe->aiColumn[saved_nEq];
      pNew->wsFlags |= WHERE_COLUMN_EQ;
      assert( saved_nEq==pNew->u.btree.nEq );
      if( iCol==XN_ROWID 
       || (iCol>=0 && nInMul==0 && saved_nEq==pProbe->nKeyCol-1)
      ){
        if( iCol>=0 && pProbe->uniqNotNull==0 ){


          pNew->wsFlags |= WHERE_UNQ_WANTED;
        }else{
          pNew->wsFlags |= WHERE_ONEROW;
        }
      }
    }else if( eOp & WO_ISNULL ){
      pNew->wsFlags |= WHERE_COLUMN_NULL;
    }else if( eOp & (WO_GT|WO_GE) ){
      testcase( eOp & WO_GT );
      testcase( eOp & WO_GE );
................................................................................
  ** preserves SQLite's legacy behaviour in the following two cases:
  **
  **   FROM ... WHERE random()>0;           -- eval random() once per row
  **   FROM ... WHERE (SELECT random())>0;  -- eval random() once overall
  */
  for(ii=0; ii<sWLB.pWC->nTerm; ii++){
    WhereTerm *pT = &sWLB.pWC->a[ii];

    if( pT->prereqAll==0 && (nTabList==0 || exprIsDeterministic(pT->pExpr)) ){
      sqlite3ExprIfFalse(pParse, pT->pExpr, pWInfo->iBreak, SQLITE_JUMPIFNULL);
      pT->wtFlags |= TERM_CODED;
    }
  }

  if( wctrlFlags & WHERE_WANT_DISTINCT ){
................................................................................
#else
    /* SQLITE_NOLFS       */ 0,
#endif
    /* SQLITE_AUTH        */ "authorization denied",
    /* SQLITE_FORMAT      */ 0,
    /* SQLITE_RANGE       */ "column index out of range",
    /* SQLITE_NOTADB      */ "file is not a database",


  };
  const char *zErr = "unknown error";
  switch( rc ){
    case SQLITE_ABORT_ROLLBACK: {
      zErr = "abort due to ROLLBACK";
      break;








    }
    default: {
      rc &= 0xff;
      if( ALWAYS(rc>=0) && rc<ArraySize(aMsg) && aMsg[rc]!=0 ){
        zErr = aMsg[rc];
      }
      break;
................................................................................
  sqlite3_stmt *pStmt;
  int rc = fts3SqlStmt(p, SQL_INSERT_SEGMENTS, &pStmt, 0);
  if( rc==SQLITE_OK ){
    sqlite3_bind_int64(pStmt, 1, iBlock);
    sqlite3_bind_blob(pStmt, 2, z, n, SQLITE_STATIC);
    sqlite3_step(pStmt);
    rc = sqlite3_reset(pStmt);

  }
  return rc;
}

/*
** Find the largest relative level number in the table. If successful, set
** *pnMax to this value and return SQLITE_OK. Otherwise, if an error occurs,
................................................................................
      char *zEnd = sqlite3_mprintf("%lld %lld", iEndBlock, nLeafData);
      if( !zEnd ) return SQLITE_NOMEM;
      sqlite3_bind_text(pStmt, 5, zEnd, -1, sqlite3_free);
    }
    sqlite3_bind_blob(pStmt, 6, zRoot, nRoot, SQLITE_STATIC);
    sqlite3_step(pStmt);
    rc = sqlite3_reset(pStmt);

  }
  return rc;
}

/*
** Return the size of the common prefix (if any) shared by zPrev and
** zNext, in bytes. For example, 
................................................................................
    *pRC = rc;
    return;
  }
  sqlite3_bind_int(pStmt, 1, FTS_STAT_DOCTOTAL);
  sqlite3_bind_blob(pStmt, 2, pBlob, nBlob, SQLITE_STATIC);
  sqlite3_step(pStmt);
  *pRC = sqlite3_reset(pStmt);

  sqlite3_free(a);
}

/*
** Merge the entire database so that there is one segment for each 
** iIndex/iLangid combination.
*/
................................................................................
    if( rc==SQLITE_OK ){
      sqlite3_bind_int64(pChomp, 1, iNewStart);
      sqlite3_bind_blob(pChomp, 2, root.a, root.n, SQLITE_STATIC);
      sqlite3_bind_int64(pChomp, 3, iAbsLevel);
      sqlite3_bind_int(pChomp, 4, iIdx);
      sqlite3_step(pChomp);
      rc = sqlite3_reset(pChomp);

    }
  }

  sqlite3_free(root.a);
  sqlite3_free(block.a);
  return rc;
}
................................................................................

  rc = fts3SqlStmt(p, SQL_REPLACE_STAT, &pReplace, 0);
  if( rc==SQLITE_OK ){
    sqlite3_bind_int(pReplace, 1, FTS_STAT_INCRMERGEHINT);
    sqlite3_bind_blob(pReplace, 2, pHint->a, pHint->n, SQLITE_STATIC);
    sqlite3_step(pReplace);
    rc = sqlite3_reset(pReplace);

  }

  return rc;
}

/*
** Load an incr-merge hint from the database. The incr-merge hint, if one 
................................................................................
    }else{
      sqlite3_bind_null(p, 1);
    }
    sqlite3_bind_blob(p, 2, pNode->zData, pRtree->iNodeSize, SQLITE_STATIC);
    sqlite3_step(p);
    pNode->isDirty = 0;
    rc = sqlite3_reset(p);

    if( pNode->iNode==0 && rc==SQLITE_OK ){
      pNode->iNode = sqlite3_last_insert_rowid(pRtree->db);
      nodeHashInsert(pRtree, pNode);
    }
  }
  return rc;
}
................................................................................
  int op,                         /* One of SQLITE_UPDATE, INSERT, DELETE */
  sqlite3_session *pSession,      /* Session object pTab is attached to */
  SessionTable *pTab              /* Table that change applies to */
){
  int iHash; 
  int bNull = 0; 
  int rc = SQLITE_OK;
  SessionStat1Ctx stat1;

  if( pSession->rc ) return;

  /* Load table details if required */
  if( sessionInitTable(pSession, pTab) ) return;

  /* Check the number of columns in this xPreUpdate call matches the 
................................................................................
    if( p->rc ) return;
  }

  sqlite3_bind_int64(p->pWriter, 1, iRowid);
  sqlite3_bind_blob(p->pWriter, 2, pData, nData, SQLITE_STATIC);
  sqlite3_step(p->pWriter);
  p->rc = sqlite3_reset(p->pWriter);

}

/*
** Execute the following SQL:
**
**     DELETE FROM %_data WHERE id BETWEEN $iFirst AND $iLast
*/
................................................................................
  sqlite3_bind_blob(pIdxSelect, 2, pTerm, nTerm, SQLITE_STATIC);
  if( SQLITE_ROW==sqlite3_step(pIdxSelect) ){
    i64 val = sqlite3_column_int(pIdxSelect, 0);
    iPg = (int)(val>>1);
    bDlidx = (val & 0x0001);
  }
  p->rc = sqlite3_reset(pIdxSelect);


  if( iPg<pSeg->pgnoFirst ){
    iPg = pSeg->pgnoFirst;
    bDlidx = 0;
  }

  pIter->iLeafPgno = iPg - 1;
................................................................................
        sqlite3_stmt *pIdxSelect = fts5IdxSelectStmt(p);
        if( p->rc==SQLITE_OK ){
          u8 aBlob[2] = {0xff, 0xff};
          sqlite3_bind_int(pIdxSelect, 1, iSegid);
          sqlite3_bind_blob(pIdxSelect, 2, aBlob, 2, SQLITE_STATIC);
          assert( sqlite3_step(pIdxSelect)!=SQLITE_ROW );
          p->rc = sqlite3_reset(pIdxSelect);

        }
      }
#endif
    }
  }

  return iSegid;
................................................................................
    const char *z = (pWriter->btterm.n>0?(const char*)pWriter->btterm.p:"");
    /* The following was already done in fts5WriteInit(): */
    /* sqlite3_bind_int(p->pIdxWriter, 1, pWriter->iSegid); */
    sqlite3_bind_blob(p->pIdxWriter, 2, z, pWriter->btterm.n, SQLITE_STATIC);
    sqlite3_bind_int64(p->pIdxWriter, 3, bFlag + ((i64)pWriter->iBtPage<<1));
    sqlite3_step(p->pIdxWriter);
    p->rc = sqlite3_reset(p->pIdxWriter);

  }
  pWriter->iBtPage = 0;
}

/*
** This is called once for each leaf page except the first that contains
** at least one term. Argument (nTerm/pTerm) is the split-key - a term that
................................................................................
static void fts5SourceIdFunc(
  sqlite3_context *pCtx,          /* Function call context */
  int nArg,                       /* Number of args */
  sqlite3_value **apUnused        /* Function arguments */
){
  assert( nArg==0 );
  UNUSED_PARAM2(nArg, apUnused);
  sqlite3_result_text(pCtx, "fts5: 2018-01-22 18:45:57 0c55d179733b46d8d0ba4d88e01a25e10677046ee3da1d5b1581e86726f2171d", -1, SQLITE_TRANSIENT);
}

static int fts5Init(sqlite3 *db){
  static const sqlite3_module fts5Mod = {
    /* iVersion      */ 2,
    /* xCreate       */ fts5CreateMethod,
    /* xConnect      */ fts5ConnectMethod,
................................................................................
    sqlite3_stmt *pReplace = 0;
    rc = fts5StorageGetStmt(p, FTS5_STMT_REPLACE_DOCSIZE, &pReplace, 0);
    if( rc==SQLITE_OK ){
      sqlite3_bind_int64(pReplace, 1, iRowid);
      sqlite3_bind_blob(pReplace, 2, pBuf->p, pBuf->n, SQLITE_STATIC);
      sqlite3_step(pReplace);
      rc = sqlite3_reset(pReplace);

    }
  }
  return rc;
}

/*
** Load the contents of the "averages" record from disk into the 
................................................................................
    if( pVal ){
      sqlite3_bind_value(pReplace, 2, pVal);
    }else{
      sqlite3_bind_int(pReplace, 2, iVal);
    }
    sqlite3_step(pReplace);
    rc = sqlite3_reset(pReplace);

  }
  if( rc==SQLITE_OK && pVal ){
    int iNew = p->pConfig->iCookie + 1;
    rc = sqlite3Fts5IndexSetCookie(p->pIndex, iNew);
    if( rc==SQLITE_OK ){
      p->pConfig->iCookie = iNew;
    }
................................................................................
#endif
  return rc;
}
#endif /* SQLITE_CORE */
#endif /* !defined(SQLITE_CORE) || defined(SQLITE_ENABLE_STMTVTAB) */

/************** End of stmt.c ************************************************/
#if __LINE__!=207604
#undef SQLITE_SOURCE_ID
#define SQLITE_SOURCE_ID      "2018-01-22 18:45:57 0c55d179733b46d8d0ba4d88e01a25e10677046ee3da1d5b1581e86726f2alt2"
#endif
/* Return the source-id for this library */
SQLITE_API const char *sqlite3_sourceid(void){ return SQLITE_SOURCE_ID; }
/************************** End of sqlite3.c ******************************/


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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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207760
/******************************************************************************
** This file is an amalgamation of many separate C source files from SQLite
** version 3.23.0.  By combining all the individual C code files into this
** single large file, the entire code can be compiled as a single translation
** unit.  This allows many compilers to do optimizations that would not be
** possible if the files were compiled separately.  Performance improvements
** of 5% or more are commonly seen when SQLite is compiled as a single
** translation unit.
**
** This file is all you need to compile SQLite.  To use SQLite in other
................................................................................
** been edited in any way since it was last checked in, then the last
** four hexadecimal digits of the hash may be modified.
**
** See also: [sqlite3_libversion()],
** [sqlite3_libversion_number()], [sqlite3_sourceid()],
** [sqlite_version()] and [sqlite_source_id()].
*/
#define SQLITE_VERSION        "3.23.0"
#define SQLITE_VERSION_NUMBER 3023000
#define SQLITE_SOURCE_ID      "2018-02-08 01:00:11 ad5d3bdc739a0997786f94fb5789b726b9f53ff883226093924338fe5000922b"

/*
** CAPI3REF: Run-Time Library Version Numbers
** KEYWORDS: sqlite3_version sqlite3_sourceid
**
** These interfaces provide the same information as the [SQLITE_VERSION],
** [SQLITE_VERSION_NUMBER], and [SQLITE_SOURCE_ID] C preprocessor macros
................................................................................
** a schema change, on the first  [sqlite3_step()] call following any change
** to the [sqlite3_bind_text | bindings] of that [parameter]. 
** ^The specific value of WHERE-clause [parameter] might influence the 
** choice of query plan if the parameter is the left-hand side of a [LIKE]
** or [GLOB] operator or if the parameter is compared to an indexed column
** and the [SQLITE_ENABLE_STAT3] compile-time option is enabled.
** </li>
** </ol>
**
** <p>^sqlite3_prepare_v3() differs from sqlite3_prepare_v2() only in having
** the extra prepFlags parameter, which is a bit array consisting of zero or
** more of the [SQLITE_PREPARE_PERSISTENT|SQLITE_PREPARE_*] flags.  ^The
** sqlite3_prepare_v2() interface works exactly the same as
** sqlite3_prepare_v3() with a zero prepFlags parameter.

*/
SQLITE_API int sqlite3_prepare(
  sqlite3 *db,            /* Database handle */
  const char *zSql,       /* SQL statement, UTF-8 encoded */
  int nByte,              /* Maximum length of zSql in bytes. */
  sqlite3_stmt **ppStmt,  /* OUT: Statement handle */
  const char **pzTail     /* OUT: Pointer to unused portion of zSql */
................................................................................
};

/* Allowed values for Column.colFlags:
*/
#define COLFLAG_PRIMKEY  0x0001    /* Column is part of the primary key */
#define COLFLAG_HIDDEN   0x0002    /* A hidden column in a virtual table */
#define COLFLAG_HASTYPE  0x0004    /* Type name follows column name */
#define COLFLAG_UNIQUE   0x0008    /* Column def contains "UNIQUE" or "PK" */

/*
** A "Collating Sequence" is defined by an instance of the following
** structure. Conceptually, a collating sequence consists of a name and
** a comparison routine that defines the order of that sequence.
**
** If CollSeq.xCmp is NULL, it means that the
................................................................................

/* One or more of the following flags are set to indicate the validOK
** representations of the value stored in the Mem struct.
**
** If the MEM_Null flag is set, then the value is an SQL NULL value.
** For a pointer type created using sqlite3_bind_pointer() or
** sqlite3_result_pointer() the MEM_Term and MEM_Subtype flags are also set.


**
** If the MEM_Str flag is set then Mem.z points at a string representation.
** Usually this is encoded in the same unicode encoding as the main
** database (see below for exceptions). If the MEM_Term flag is also
** set, then the string is nul terminated. The MEM_Int and MEM_Real 
** flags may coexist with the MEM_Str flag.
*/
................................................................................
  Mem *pOut;              /* The return value is stored here */
  FuncDef *pFunc;         /* Pointer to function information */
  Mem *pMem;              /* Memory cell used to store aggregate context */
  Vdbe *pVdbe;            /* The VM that owns this context */
  int iOp;                /* Instruction number of OP_Function */
  int isError;            /* Error code returned by the function. */
  u8 skipFlag;            /* Skip accumulator loading if true */

  u8 argc;                /* Number of arguments */
  sqlite3_value *argv[1]; /* Argument set */
};

/* A bitfield type for use inside of structures.  Always follow with :N where
** N is the number of bits.
*/
................................................................................
/*
** Convert zNum to a 64-bit signed integer.  zNum must be decimal. This
** routine does *not* accept hexadecimal notation.
**
** Returns:
**
**     0    Successful transformation.  Fits in a 64-bit signed integer.
**     1    Excess non-space text after the integer value
**     2    Integer too large for a 64-bit signed integer or is malformed
**     3    Special case of 9223372036854775808
**
** length is the number of bytes in the string (bytes, not characters).
** The string is not necessarily zero-terminated.  The encoding is
** given by enc.
*/
................................................................................
    }
  }
  zStart = zNum;
  while( zNum<zEnd && zNum[0]=='0' ){ zNum+=incr; } /* Skip leading zeros. */
  for(i=0; &zNum[i]<zEnd && (c=zNum[i])>='0' && c<='9'; i+=incr){
    u = u*10 + c - '0';
  }
  testcase( i==18*incr );
  testcase( i==19*incr );
  testcase( i==20*incr );
  if( u>LARGEST_INT64 ){
    /* This test and assignment is needed only to suppress UB warnings
    ** from clang and -fsanitize=undefined.  This test and assignment make
    ** the code a little larger and slower, and no harm comes from omitting
    ** them, but we must appaise the undefined-behavior pharisees. */
    *pNum = neg ? SMALLEST_INT64 : LARGEST_INT64;
  }else if( neg ){
    *pNum = -(i64)u;
  }else{
    *pNum = (i64)u;
  }
  rc = 0;



  if( (i==0 && zStart==zNum)     /* No digits */
   || nonNum                     /* UTF16 with high-order bytes non-zero */
  ){
    rc = 1;
  }else if( &zNum[i]<zEnd ){     /* Extra bytes at the end */
    int jj = i;
    do{
      if( !sqlite3Isspace(zNum[jj]) ){
        rc = 1;          /* Extra non-space text after the integer */
        break;
      }




      jj += incr;
    }while( &zNum[jj]<zEnd );
  }
  if( i<19*incr ){
    /* Less than 19 digits, so we know that it fits in 64 bits */
    assert( u<=LARGEST_INT64 );
    return rc;
  }else{
    /* zNum is a 19-digit numbers.  Compare it against 9223372036854775808. */
    c = i>19*incr ? 1 : compare2pow63(zNum, incr);
    if( c<0 ){
      /* zNum is less than 9223372036854775808 so it fits */
      assert( u<=LARGEST_INT64 );
      return rc;
    }else{
      *pNum = neg ? SMALLEST_INT64 : LARGEST_INT64;
      if( c>0 ){
        /* zNum is greater than 9223372036854775808 so it overflows */
        return 2;
      }else{
        /* zNum is exactly 9223372036854775808.  Fits if negative.  The
        ** special case 2 overflow if positive */
        assert( u-1==LARGEST_INT64 );
        return neg ? rc : 3;
      }
    }
  }
}

/*
** Transform a UTF-8 integer literal, in either decimal or hexadecimal,
** into a 64-bit signed integer.  This routine accepts hexadecimal literals,
................................................................................
** is held when required. This function is only used as part of assert() 
** statements. e.g.
**
**   unixEnterMutex()
**     assert( unixMutexHeld() );
**   unixEnterLeave()
*/
static sqlite3_mutex *unixBigLock = 0;
static void unixEnterMutex(void){
  sqlite3_mutex_enter(unixBigLock);
}
static void unixLeaveMutex(void){
  sqlite3_mutex_leave(unixBigLock);
}
#ifdef SQLITE_DEBUG
static int unixMutexHeld(void) {
  return sqlite3_mutex_held(unixBigLock);
}
#endif


#ifdef SQLITE_HAVE_OS_TRACE
/*
** Helper function for printing out trace information from debugging
................................................................................
  ** the same instant might all reset the PRNG.  But multiple resets
  ** are harmless.
  */
  if( randomnessPid!=osGetpid(0) ){
    randomnessPid = osGetpid(0);
    sqlite3_randomness(0,0);
  }

  memset(p, 0, sizeof(unixFile));

  if( eType==SQLITE_OPEN_MAIN_DB ){
    UnixUnusedFd *pUnused;
    pUnused = findReusableFd(zName, flags);
    if( pUnused ){
      fd = pUnused->fd;
................................................................................
  ** correctly.  See ticket [bb3a86e890c8e96ab] */
  assert( ArraySize(aSyscall)==29 );

  /* Register all VFSes defined in the aVfs[] array */
  for(i=0; i<(sizeof(aVfs)/sizeof(sqlite3_vfs)); i++){
    sqlite3_vfs_register(&aVfs[i], i==0);
  }
  unixBigLock = sqlite3MutexAlloc(SQLITE_MUTEX_STATIC_VFS1);
  return SQLITE_OK; 
}

/*
** Shutdown the operating system interface.
**
** Some operating systems might need to do some cleanup in this routine,
** to release dynamically allocated objects.  But not on unix.
** This routine is a no-op for unix.
*/
SQLITE_API int sqlite3_os_end(void){ 
  unixBigLock = 0;
  return SQLITE_OK; 
}
 
#endif /* SQLITE_OS_UNIX */

/************** End of os_unix.c *********************************************/
/************** Begin file os_win.c ******************************************/
................................................................................
** is held when required. This function is only used as part of assert()
** statements. e.g.
**
**   winShmEnterMutex()
**     assert( winShmMutexHeld() );
**   winShmLeaveMutex()
*/
static sqlite3_mutex *winBigLock = 0;
static void winShmEnterMutex(void){
  sqlite3_mutex_enter(winBigLock);
}
static void winShmLeaveMutex(void){
  sqlite3_mutex_leave(winBigLock);
}
#ifndef NDEBUG
static int winShmMutexHeld(void) {
  return sqlite3_mutex_held(winBigLock);
}
#endif

/*
** Object used to represent a single file opened and mmapped to provide
** shared memory.  When multiple threads all reference the same
** log-summary, each thread has its own winFile object, but they all
................................................................................
#endif

  sqlite3_vfs_register(&winNolockVfs, 0);

#if defined(SQLITE_WIN32_HAS_WIDE)
  sqlite3_vfs_register(&winLongPathNolockVfs, 0);
#endif

#ifndef SQLITE_OMIT_WAL
  winBigLock = sqlite3MutexAlloc(SQLITE_MUTEX_STATIC_VFS1);
#endif

  return SQLITE_OK;
}

SQLITE_API int sqlite3_os_end(void){
#if SQLITE_OS_WINRT
  if( sleepObj!=NULL ){
    osCloseHandle(sleepObj);
    sleepObj = NULL;
  }
#endif

#ifndef SQLITE_OMIT_WAL
  winBigLock = 0;
#endif

  return SQLITE_OK;
}

#endif /* SQLITE_OS_WIN */

/************** End of os_win.c **********************************************/
/************** Begin file bitvec.c ******************************************/
................................................................................
  assert( isOpen(pPager->fd) );
  dc = sqlite3OsDeviceCharacteristics(pPager->fd);
#else
  UNUSED_PARAMETER(pPager);
#endif

#ifdef SQLITE_ENABLE_BATCH_ATOMIC_WRITE
  if( pPager->dbSize>0 && (dc&SQLITE_IOCAP_BATCH_ATOMIC) ){
    return -1;
  }
#endif

#ifdef SQLITE_ENABLE_ATOMIC_WRITE
  {
    int nSector = pPager->sectorSize;
................................................................................
  PgHdr *pNext;
  for(p=pPager->pMmapFreelist; p; p=pNext){
    pNext = p->pDirty;
    sqlite3_free(p);
  }
}

/* Verify that the database file has not be deleted or renamed out from
** under the pager.  Return SQLITE_OK if the database is still where it ought
** to be on disk.  Return non-zero (SQLITE_READONLY_DBMOVED or some other error
** code from sqlite3OsAccess()) if the database has gone missing.
*/
static int databaseIsUnmoved(Pager *pPager){
  int bHasMoved = 0;
  int rc;

  if( pPager->tempFile ) return SQLITE_OK;
  if( pPager->dbSize==0 ) return SQLITE_OK;
  assert( pPager->zFilename && pPager->zFilename[0] );
  rc = sqlite3OsFileControl(pPager->fd, SQLITE_FCNTL_HAS_MOVED, &bHasMoved);
  if( rc==SQLITE_NOTFOUND ){
    /* If the HAS_MOVED file-control is unimplemented, assume that the file
    ** has not been moved.  That is the historical behavior of SQLite: prior to
    ** version 3.8.3, it never checked */
    rc = SQLITE_OK;
  }else if( rc==SQLITE_OK && bHasMoved ){
    rc = SQLITE_READONLY_DBMOVED;
  }
  return rc;
}


/*
** Shutdown the page cache.  Free all memory and close all files.
**
** If a transaction was in progress when this routine is called, that
** transaction is rolled back.  All outstanding pages are invalidated
** and their memory is freed.  Any attempt to use a page associated
................................................................................
**
** This function always succeeds. If a transaction is active an attempt
** is made to roll it back. If an error occurs during the rollback 
** a hot journal may be left in the filesystem but no error is returned
** to the caller.
*/
SQLITE_PRIVATE int sqlite3PagerClose(Pager *pPager, sqlite3 *db){
  u8 *pTmp = (u8*)pPager->pTmpSpace;

  assert( db || pagerUseWal(pPager)==0 );
  assert( assert_pager_state(pPager) );
  disable_simulated_io_errors();
  sqlite3BeginBenignMalloc();
  pagerFreeMapHdrs(pPager);
  /* pPager->errCode = 0; */
  pPager->exclusiveMode = 0;
#ifndef SQLITE_OMIT_WAL
  {
    u8 *a = 0;
    assert( db || pPager->pWal==0 );

    if( db && 0==(db->flags & SQLITE_NoCkptOnClose) 
     && SQLITE_OK==databaseIsUnmoved(pPager)
    ){
      a = pTmp;
    }
    sqlite3WalClose(pPager->pWal, db, pPager->walSyncFlags, pPager->pageSize,a);
    pPager->pWal = 0;
  }
#endif
  pager_reset(pPager);
  if( MEMDB ){
    pager_unlock(pPager);
  }else{
    /* If it is open, sync the journal file before calling UnlockAndRollback.
    ** If this is not done, then an unsynced portion of the open journal 
................................................................................
  /* pPager->szMmap = SQLITE_DEFAULT_MMAP_SIZE // will be set by btree.c */

  *ppPager = pPager;
  return SQLITE_OK;
}



























/*
** This function is called after transitioning from PAGER_UNLOCK to
** PAGER_SHARED state. It tests if there is a hot journal present in
** the file-system for the given pager. A hot journal is one that 
** needs to be played back. According to this function, a hot-journal
** file exists if the following criteria are met:
................................................................................
        rc = sqlite3OsFileControl(fd, SQLITE_FCNTL_BEGIN_ATOMIC_WRITE, 0);
        if( rc!=SQLITE_OK ) goto commit_phase_one_exit;
      }
      rc = pager_write_pagelist(pPager,sqlite3PcacheDirtyList(pPager->pPCache));
      if( bBatch ){
        if( rc==SQLITE_OK ){
          rc = sqlite3OsFileControl(fd, SQLITE_FCNTL_COMMIT_ATOMIC_WRITE, 0);
        }
        if( rc!=SQLITE_OK ){
          sqlite3OsFileControlHint(fd, SQLITE_FCNTL_ROLLBACK_ATOMIC_WRITE, 0);
        }
      }

      if( rc!=SQLITE_OK ){
        assert( rc!=SQLITE_IOERR_BLOCKED );
        goto commit_phase_one_exit;
      }
................................................................................
**    eState==FAULT:                   Cursor fault with skipNext as error code.
*/
struct BtCursor {
  u8 eState;                /* One of the CURSOR_XXX constants (see below) */
  u8 curFlags;              /* zero or more BTCF_* flags defined below */
  u8 curPagerFlags;         /* Flags to send to sqlite3PagerGet() */
  u8 hints;                 /* As configured by CursorSetHints() */
  int skipNext;    /* Prev() is noop if negative. Next() is noop if positive.
                   ** Error code if eState==CURSOR_FAULT */
  Btree *pBtree;            /* The Btree to which this cursor belongs */


  Pgno *aOverflow;          /* Cache of overflow page locations */


  void *pKey;               /* Saved key that was cursor last known position */



  /* All fields above are zeroed when the cursor is allocated.  See
  ** sqlite3BtreeCursorZero().  Fields that follow must be manually
  ** initialized. */
#define BTCURSOR_FIRST_UNINIT pBt   /* Name of first uninitialized field */
  BtShared *pBt;            /* The BtShared this cursor points to */
  BtCursor *pNext;          /* Forms a linked list of all cursors */
  CellInfo info;            /* A parse of the cell we are pointing at */
  i64 nKey;                 /* Size of pKey, or last integer key */
  Pgno pgnoRoot;            /* The root page of this tree */
  i8 iPage;                 /* Index of current page in apPage */
  u8 curIntKey;             /* Value of apPage[0]->intKey */
  u16 ix;                   /* Current index for apPage[iPage] */
  u16 aiIdx[BTCURSOR_MAX_DEPTH-1];     /* Current index in apPage[i] */
  struct KeyInfo *pKeyInfo;            /* Arg passed to comparison function */
  MemPage *pPage;                        /* Current page */
  MemPage *apPage[BTCURSOR_MAX_DEPTH-1]; /* Stack of parents of current page */
................................................................................
** CURSOR_FAULT:
**   An unrecoverable error (an I/O error or a malloc failure) has occurred
**   on a different connection that shares the BtShared cache with this
**   cursor.  The error has left the cache in an inconsistent state.
**   Do nothing else with this cursor.  Any attempt to use the cursor
**   should return the error code stored in BtCursor.skipNext
*/

#define CURSOR_VALID             0
#define CURSOR_INVALID           1
#define CURSOR_SKIPNEXT          2
#define CURSOR_REQUIRESEEK       3
#define CURSOR_FAULT             4

/* 
** The database page the PENDING_BYTE occupies. This page is never used.
*/
................................................................................
**
** The simple approach here would be to memset() the entire object
** to zero.  But it turns out that the apPage[] and aiIdx[] arrays
** do not need to be zeroed and they are large, so we can save a lot
** of run-time by skipping the initialization of those elements.
*/
SQLITE_PRIVATE void sqlite3BtreeCursorZero(BtCursor *p){
  memset(p, 0, offsetof(BtCursor, BTCURSOR_FIRST_UNINIT));
}

/*
** Close a cursor.  The read lock on the database file is released
** when the last cursor is closed.
*/
SQLITE_PRIVATE int sqlite3BtreeCloseCursor(BtCursor *pCur){
................................................................................
    ** The aOverflow[] array is sized at one entry for each overflow page
    ** in the overflow chain. The page number of the first overflow page is
    ** stored in aOverflow[0], etc. A value of 0 in the aOverflow[] array
    ** means "not yet known" (the cache is lazily populated).
    */
    if( (pCur->curFlags & BTCF_ValidOvfl)==0 ){
      int nOvfl = (pCur->info.nPayload-pCur->info.nLocal+ovflSize-1)/ovflSize;
      if( pCur->aOverflow==0
       || nOvfl*(int)sizeof(Pgno) > sqlite3MallocSize(pCur->aOverflow)
      ){
        Pgno *aNew = (Pgno*)sqlite3Realloc(
            pCur->aOverflow, nOvfl*2*sizeof(Pgno)
        );
        if( aNew==0 ){
          return SQLITE_NOMEM_BKPT;
        }else{

          pCur->aOverflow = aNew;
        }
      }
      memset(pCur->aOverflow, 0, nOvfl*sizeof(Pgno));
      pCur->curFlags |= BTCF_ValidOvfl;
    }else{
      /* If the overflow page-list cache has been allocated and the
................................................................................
static void freePage(MemPage *pPage, int *pRC){
  if( (*pRC)==SQLITE_OK ){
    *pRC = freePage2(pPage->pBt, pPage, pPage->pgno);
  }
}

/*
** Free any overflow pages associated with the given Cell.  Store
** size information about the cell in pInfo.

*/
static int clearCell(
  MemPage *pPage,          /* The page that contains the Cell */
  unsigned char *pCell,    /* First byte of the Cell */
  CellInfo *pInfo          /* Size information about the cell */
){
  BtShared *pBt;
................................................................................
    */
    if( pOld->aData[0]!=apOld[0]->aData[0] ){
      rc = SQLITE_CORRUPT_BKPT;
      goto balance_cleanup;
    }

    /* Load b.apCell[] with pointers to all cells in pOld.  If pOld
    ** contains overflow cells, include them in the b.apCell[] array
    ** in the correct spot.
    **
    ** Note that when there are multiple overflow cells, it is always the
    ** case that they are sequential and adjacent.  This invariant arises
    ** because multiple overflows can only occurs when inserting divider
    ** cells into a parent on a prior balance, and divider cells are always
    ** adjacent and are inserted in order.  There is an assert() tagged
................................................................................
      ((p->flags&MEM_Static)!=0 ? 1 : 0) == 1
    );
  }
  return 1;
}
#endif

#ifdef SQLITE_DEBUG
/*
** Check that string value of pMem agrees with its integer or real value.
**
** A single int or real value always converts to the same strings.  But
** many different strings can be converted into the same int or real.
** If a table contains a numeric value and an index is based on the
** corresponding string value, then it is important that the string be
** derived from the numeric value, not the other way around, to ensure
** that the index and table are consistent.  See ticket
** https://www.sqlite.org/src/info/343634942dd54ab (2018-01-31) for
** an example.
**
** This routine looks at pMem to verify that if it has both a numeric
** representation and a string representation then the string rep has
** been derived from the numeric and not the other way around.  It returns
** true if everything is ok and false if there is a problem.
**
** This routine is for use inside of assert() statements only.
*/
SQLITE_PRIVATE int sqlite3VdbeMemConsistentDualRep(Mem *p){
  char zBuf[100];
  char *z;
  int i, j, incr;
  if( (p->flags & MEM_Str)==0 ) return 1;
  if( (p->flags & (MEM_Int|MEM_Real))==0 ) return 1;
  if( p->flags & MEM_Int ){
    sqlite3_snprintf(sizeof(zBuf),zBuf,"%lld",p->u.i);
  }else{
    sqlite3_snprintf(sizeof(zBuf),zBuf,"%!.15g",p->u.r);
  }
  z = p->z;
  i = j = 0;
  incr = 1;
  if( p->enc!=SQLITE_UTF8 ){
    incr = 2;
    if( p->enc==SQLITE_UTF16BE ) z++;
  }
  while( zBuf[j] ){
    if( zBuf[j++]!=z[i] ) return 0;
    i += incr;
  }
  return 1;
}
#endif /* SQLITE_DEBUG */

/*
** If pMem is an object with a valid string representation, this routine
** ensures the internal encoding for the string representation is
** 'desiredEnc', one of SQLITE_UTF8, SQLITE_UTF16LE or SQLITE_UTF16BE.
**
** If pMem is not a string object, or the encoding of the string
................................................................................
  assert( pMem->db==0 || sqlite3_mutex_held(pMem->db->mutex) );
  assert( EIGHT_BYTE_ALIGNMENT(pMem) );

  pMem->u.r = sqlite3VdbeRealValue(pMem);
  MemSetTypeFlag(pMem, MEM_Real);
  return SQLITE_OK;
}

/* Compare a floating point value to an integer.  Return true if the two
** values are the same within the precision of the floating point value.
**
** For some versions of GCC on 32-bit machines, if you do the more obvious
** comparison of "r1==(double)i" you sometimes get an answer of false even
** though the r1 and (double)i values are bit-for-bit the same.
*/
static int sqlite3RealSameAsInt(double r1, sqlite3_int64 i){
  double r2 = (double)i;
  return memcmp(&r1, &r2, sizeof(r1))==0;
}

/*
** Convert pMem so that it has types MEM_Real or MEM_Int or both.
** Invalidate any prior representations.
**
** Every effort is made to force the conversion, even if the input
** is a string that does not look completely like a number.  Convert
................................................................................
    assert( pMem->db==0 || sqlite3_mutex_held(pMem->db->mutex) );
    rc = sqlite3Atoi64(pMem->z, &pMem->u.i, pMem->n, pMem->enc);
    if( rc==0 ){
      MemSetTypeFlag(pMem, MEM_Int);
    }else{
      i64 i = pMem->u.i;
      sqlite3AtoF(pMem->z, &pMem->u.r, pMem->n, pMem->enc);
      if( rc==1 && sqlite3RealSameAsInt(pMem->u.r, i) ){
        pMem->u.i = i;
        MemSetTypeFlag(pMem, MEM_Int);
      }else{
        MemSetTypeFlag(pMem, MEM_Real);
      }
    }
  }
................................................................................
  }else{
    sqlite3VdbeMemStringify(pVal, enc, 0);
    assert( 0==(1&SQLITE_PTR_TO_INT(pVal->z)) );
  }
  assert(pVal->enc==(enc & ~SQLITE_UTF16_ALIGNED) || pVal->db==0
              || pVal->db->mallocFailed );
  if( pVal->enc==(enc & ~SQLITE_UTF16_ALIGNED) ){
    assert( sqlite3VdbeMemConsistentDualRep(pVal) );
    return pVal->z;
  }else{
    return 0;
  }
}

/* This function is only available internally, it is not part of the
................................................................................
*/
SQLITE_PRIVATE const void *sqlite3ValueText(sqlite3_value* pVal, u8 enc){
  if( !pVal ) return 0;
  assert( pVal->db==0 || sqlite3_mutex_held(pVal->db->mutex) );
  assert( (enc&3)==(enc&~SQLITE_UTF16_ALIGNED) );
  assert( (pVal->flags & MEM_RowSet)==0 );
  if( (pVal->flags&(MEM_Str|MEM_Term))==(MEM_Str|MEM_Term) && pVal->enc==enc ){
    assert( sqlite3VdbeMemConsistentDualRep(pVal) );
    return pVal->z;
  }
  if( pVal->flags&MEM_Null ){
    return 0;
  }
  return valueToText(pVal, enc);
}
................................................................................
SQLITE_API void sqlite3_result_double(sqlite3_context *pCtx, double rVal){
  assert( sqlite3_mutex_held(pCtx->pOut->db->mutex) );
  sqlite3VdbeMemSetDouble(pCtx->pOut, rVal);
}
SQLITE_API void sqlite3_result_error(sqlite3_context *pCtx, const char *z, int n){
  assert( sqlite3_mutex_held(pCtx->pOut->db->mutex) );
  pCtx->isError = SQLITE_ERROR;

  sqlite3VdbeMemSetStr(pCtx->pOut, z, n, SQLITE_UTF8, SQLITE_TRANSIENT);
}
#ifndef SQLITE_OMIT_UTF16
SQLITE_API void sqlite3_result_error16(sqlite3_context *pCtx, const void *z, int n){
  assert( sqlite3_mutex_held(pCtx->pOut->db->mutex) );
  pCtx->isError = SQLITE_ERROR;

  sqlite3VdbeMemSetStr(pCtx->pOut, z, n, SQLITE_UTF16NATIVE, SQLITE_TRANSIENT);
}
#endif
SQLITE_API void sqlite3_result_int(sqlite3_context *pCtx, int iVal){
  assert( sqlite3_mutex_held(pCtx->pOut->db->mutex) );
  sqlite3VdbeMemSetInt64(pCtx->pOut, (i64)iVal);
}
................................................................................
  if( n>(u64)pOut->db->aLimit[SQLITE_LIMIT_LENGTH] ){
    return SQLITE_TOOBIG;
  }
  sqlite3VdbeMemSetZeroBlob(pCtx->pOut, (int)n);
  return SQLITE_OK;
}
SQLITE_API void sqlite3_result_error_code(sqlite3_context *pCtx, int errCode){
  pCtx->isError = errCode ? errCode : -1;

#ifdef SQLITE_DEBUG
  if( pCtx->pVdbe ) pCtx->pVdbe->rcApp = errCode;
#endif
  if( pCtx->pOut->flags & MEM_Null ){
    sqlite3VdbeMemSetStr(pCtx->pOut, sqlite3ErrStr(errCode), -1, 
                         SQLITE_UTF8, SQLITE_STATIC);
  }
}

/* Force an SQLITE_TOOBIG error. */
SQLITE_API void sqlite3_result_error_toobig(sqlite3_context *pCtx){
  assert( sqlite3_mutex_held(pCtx->pOut->db->mutex) );
  pCtx->isError = SQLITE_TOOBIG;

  sqlite3VdbeMemSetStr(pCtx->pOut, "string or blob too big", -1, 
                       SQLITE_UTF8, SQLITE_STATIC);
}

/* An SQLITE_NOMEM error. */
SQLITE_API void sqlite3_result_error_nomem(sqlite3_context *pCtx){
  assert( sqlite3_mutex_held(pCtx->pOut->db->mutex) );
  sqlite3VdbeMemSetNull(pCtx->pOut);
  pCtx->isError = SQLITE_NOMEM_BKPT;

  sqlite3OomFault(pCtx->pOut->db);
}

/*
** This function is called after a transaction has been committed. It 
** invokes callbacks registered with sqlite3_wal_hook() as required.
*/
................................................................................
  if( pAuxData==0 ){
    pAuxData = sqlite3DbMallocZero(pVdbe->db, sizeof(AuxData));
    if( !pAuxData ) goto failed;
    pAuxData->iAuxOp = pCtx->iOp;
    pAuxData->iAuxArg = iArg;
    pAuxData->pNextAux = pVdbe->pAuxData;
    pVdbe->pAuxData = pAuxData;

    if( pCtx->isError==0 ) pCtx->isError = -1;


  }else if( pAuxData->xDeleteAux ){
    pAuxData->xDeleteAux(pAuxData->pAux);
  }

  pAuxData->pAux = pAux;
  pAuxData->xDeleteAux = xDelete;
  return;
................................................................................
    pRec->u.i = iValue;
    pRec->flags |= MEM_Int;
  }else{
    pRec->u.r = rValue;
    pRec->flags |= MEM_Real;
    if( bTryForInt ) sqlite3VdbeIntegerAffinity(pRec);
  }
  /* TEXT->NUMERIC is many->one.  Hence, it is important to invalidate the
  ** string representation after computing a numeric equivalent, because the
  ** string representation might not be the canonical representation for the
  ** numeric value.  Ticket [343634942dd54ab57b7024] 2018-01-31. */
  pRec->flags &= ~MEM_Str;
}

/*
** Processing is determine by the affinity parameter:
**
** SQLITE_AFF_INTEGER:
** SQLITE_AFF_REAL:
................................................................................
case OP_If:                 /* jump, in1 */
case OP_IfNot: {            /* jump, in1 */
  int c;
  pIn1 = &aMem[pOp->p1];
  if( pIn1->flags & MEM_Null ){
    c = pOp->p3;
  }else{
    if( pIn1->flags & MEM_Int ){
      c = pIn1->u.i!=0;
    }else{
      c = sqlite3VdbeRealValue(pIn1)!=0.0;

    }
    if( pOp->opcode==OP_IfNot ) c = !c;
  }
  VdbeBranchTaken(c!=0, 2);
  if( c ){
    goto jump_to_p2;
  }
  break;
................................................................................
  sqlite3_context *pCtx;

  assert( pOp->p4type==P4_FUNCDEF );
  n = pOp->p5;
  assert( pOp->p3>0 && pOp->p3<=(p->nMem+1 - p->nCursor) );
  assert( n==0 || (pOp->p2>0 && pOp->p2+n<=(p->nMem+1 - p->nCursor)+1) );
  assert( pOp->p3<pOp->p2 || pOp->p3>=pOp->p2+n );
  pCtx = sqlite3DbMallocRawNN(db, n*sizeof(sqlite3_value*) +
               (sizeof(pCtx[0]) + sizeof(Mem) - sizeof(sqlite3_value*)));
  if( pCtx==0 ) goto no_mem;
  pCtx->pMem = 0;
  pCtx->pOut = (Mem*)&(pCtx->argv[n]);
  sqlite3VdbeMemInit(pCtx->pOut, db, MEM_Null);
  pCtx->pFunc = pOp->p4.pFunc;
  pCtx->iOp = (int)(pOp - aOp);
  pCtx->pVdbe = p;
  pCtx->skipFlag = 0;
  pCtx->isError = 0;
  pCtx->argc = n;
  pOp->p4type = P4_FUNCCTX;
  pOp->p4.pCtx = pCtx;
  pOp->opcode = OP_AggStep;
  /* Fall through into OP_AggStep */
}
case OP_AggStep: {
  int i;
  sqlite3_context *pCtx;
  Mem *pMem;


  assert( pOp->p4type==P4_FUNCCTX );
  pCtx = pOp->p4.pCtx;
  pMem = &aMem[pOp->p3];

  /* If this function is inside of a trigger, the register array in aMem[]
  ** might change from one evaluation to the next.  The next block of code
................................................................................
  for(i=0; i<pCtx->argc; i++){
    assert( memIsValid(pCtx->argv[i]) );
    REGISTER_TRACE(pOp->p2+i, pCtx->argv[i]);
  }
#endif

  pMem->n++;
  assert( pCtx->pOut->flags==MEM_Null );
  assert( pCtx->isError==0 );

  assert( pCtx->skipFlag==0 );
  (pCtx->pFunc->xSFunc)(pCtx,pCtx->argc,pCtx->argv); /* IMP: R-24505-23230 */
  if( pCtx->isError ){
    if( pCtx->isError>0 ){
      sqlite3VdbeError(p, "%s", sqlite3_value_text(pCtx->pOut));
      rc = pCtx->isError;
    }





    if( pCtx->skipFlag ){
      assert( pOp[-1].opcode==OP_CollSeq );
      i = pOp[-1].p1;
      if( i ) sqlite3VdbeMemSetInt64(&aMem[i], 1);
      pCtx->skipFlag = 0;
    }
    sqlite3VdbeMemRelease(pCtx->pOut);
    pCtx->pOut->flags = MEM_Null;
    pCtx->isError = 0;
    if( rc ) goto abort_due_to_error;
  }
  assert( pCtx->pOut->flags==MEM_Null );
  assert( pCtx->skipFlag==0 );
  break;
}

/* Opcode: AggFinal P1 P2 * P4 *
** Synopsis: accum=r[P1] N=P2
**
** Execute the finalizer function for an aggregate.  P1 is
................................................................................
    pDest->flags = MEM_Null|MEM_Zero;
    pDest->u.nZero = 0;
  }else{
    MemSetTypeFlag(pDest, MEM_Null);
  }
  rc = pModule->xColumn(pCur->uc.pVCur, &sContext, pOp->p2);
  sqlite3VtabImportErrmsg(p, pVtab);
  if( sContext.isError>0 ){
    sqlite3VdbeError(p, "%s", sqlite3_value_text(pDest));
    rc = sContext.isError;
  }
  sqlite3VdbeChangeEncoding(pDest, encoding);
  REGISTER_TRACE(pOp->p3, pDest);
  UPDATE_MAX_BLOBSIZE(pDest);

  if( sqlite3VdbeMemTooBig(pDest) ){
................................................................................
  assert( pOp->p3<pOp->p2 || pOp->p3>=pOp->p2+n );
  pCtx = sqlite3DbMallocRawNN(db, sizeof(*pCtx) + (n-1)*sizeof(sqlite3_value*));
  if( pCtx==0 ) goto no_mem;
  pCtx->pOut = 0;
  pCtx->pFunc = pOp->p4.pFunc;
  pCtx->iOp = (int)(pOp - aOp);
  pCtx->pVdbe = p;
  pCtx->isError = 0;
  pCtx->argc = n;
  pOp->p4type = P4_FUNCCTX;
  pOp->p4.pCtx = pCtx;
  assert( OP_PureFunc == OP_PureFunc0+2 );
  assert( OP_Function == OP_Function0+2 );
  pOp->opcode += 2;
  /* Fall through into OP_Function */
................................................................................
#ifdef SQLITE_DEBUG
  for(i=0; i<pCtx->argc; i++){
    assert( memIsValid(pCtx->argv[i]) );
    REGISTER_TRACE(pOp->p2+i, pCtx->argv[i]);
  }
#endif
  MemSetTypeFlag(pOut, MEM_Null);
  assert( pCtx->isError==0 );
  (*pCtx->pFunc->xSFunc)(pCtx, pCtx->argc, pCtx->argv);/* IMP: R-24505-23230 */

  /* If the function returned an error, throw an exception */
  if( pCtx->isError ){
    if( pCtx->isError>0 ){
      sqlite3VdbeError(p, "%s", sqlite3_value_text(pOut));
      rc = pCtx->isError;
    }
    sqlite3VdbeDeleteAuxData(db, &p->pAuxData, pCtx->iOp, pOp->p1);
    pCtx->isError = 0;
    if( rc ) goto abort_due_to_error;
  }

  /* Copy the result of the function into register P3 */
  if( pOut->flags & (MEM_Str|MEM_Blob) ){
    sqlite3VdbeChangeEncoding(pOut, encoding);
    if( sqlite3VdbeMemTooBig(pOut) ) goto too_big;
................................................................................
** first time they are evaluated for this run.
**
** If P3 is not zero, then it is an address to jump to if an SQLITE_CORRUPT
** error is encountered.
*/
case OP_Trace:
case OP_Init: {          /* jump */

  int i;
#ifndef SQLITE_OMIT_TRACE
  char *zTrace;
#endif

  /* If the P4 argument is not NULL, then it must be an SQL comment string.
  ** The "--" string is broken up to prevent false-positives with srcck1.c.
  **
  ** This assert() provides evidence for:
  ** EVIDENCE-OF: R-50676-09860 The callback can compute the same text that
  ** would have been returned by the legacy sqlite3_trace() interface by
................................................................................
** This routine is called by the parser while in the middle of
** parsing a CREATE TABLE statement.  A "NOT NULL" constraint has
** been seen on a column.  This routine sets the notNull flag on
** the column currently under construction.
*/
SQLITE_PRIVATE void sqlite3AddNotNull(Parse *pParse, int onError){
  Table *p;
  Column *pCol;
  p = pParse->pNewTable;
  if( p==0 || NEVER(p->nCol<1) ) return;
  pCol = &p->aCol[p->nCol-1];
  pCol->notNull = (u8)onError;
  p->tabFlags |= TF_HasNotNull;

  /* Set the uniqNotNull flag on any UNIQUE or PK indexes already created
  ** on this column.  */
  if( pCol->colFlags & COLFLAG_UNIQUE ){
    Index *pIdx;
    for(pIdx=p->pIndex; pIdx; pIdx=pIdx->pNext){
      assert( pIdx->nKeyCol==1 && pIdx->onError!=OE_None );
      if( pIdx->aiColumn[0]==p->nCol-1 ){
        pIdx->uniqNotNull = 1;
      }
    }
  }
}

/*
** Scan the column type name zType (length nType) and return the
** associated affinity type.
**
** This routine does a case-independent search of zType for the 
................................................................................

  /* If pList==0, it means this routine was called to make a primary
  ** key out of the last column added to the table under construction.
  ** So create a fake list to simulate this.
  */
  if( pList==0 ){
    Token prevCol;
    Column *pCol = &pTab->aCol[pTab->nCol-1];
    pCol->colFlags |= COLFLAG_UNIQUE;
    sqlite3TokenInit(&prevCol, pCol->zName);
    pList = sqlite3ExprListAppend(pParse, 0,
              sqlite3ExprAlloc(db, TK_ID, &prevCol, 0));
    if( pList==0 ) goto exit_create_index;
    assert( pList->nExpr==1 );
    sqlite3ExprListSetSortOrder(pList, sortOrder);
  }else{
    sqlite3ExprListCheckLength(pParse, pList, "index");
................................................................................
}

/*
** Indicate that the accumulator load should be skipped on this
** iteration of the aggregate loop.
*/
static void sqlite3SkipAccumulatorLoad(sqlite3_context *context){
  assert( context->isError<=0 );
  context->isError = -1;
  context->skipFlag = 1;
}

/*
** Implementation of the non-aggregate min() and max() functions
*/
static void minmaxFunc(
................................................................................
** Implementation of the length() function
*/
static void lengthFunc(
  sqlite3_context *context,
  int argc,
  sqlite3_value **argv
){


  assert( argc==1 );
  UNUSED_PARAMETER(argc);
  switch( sqlite3_value_type(argv[0]) ){
    case SQLITE_BLOB:
    case SQLITE_INTEGER:
    case SQLITE_FLOAT: {
      sqlite3_result_int(context, sqlite3_value_bytes(argv[0]));
      break;
    }
    case SQLITE_TEXT: {
      const unsigned char *z = sqlite3_value_text(argv[0]);
      const unsigned char *z0;
      unsigned char c;
      if( z==0 ) return;
      z0 = z;
      while( (c = *z)!=0 ){
        z++;

        if( c>=0xc0 ){
          while( (*z & 0xc0)==0x80 ){ z++; z0++; }
        }
      }
      sqlite3_result_int(context, (int)(z-z0));
      break;
    }
    default: {
      sqlite3_result_null(context);
      break;
    }
  }
................................................................................
#define sqlite3_prepare_v3             sqlite3_api->prepare_v3
#define sqlite3_prepare16_v3           sqlite3_api->prepare16_v3
#define sqlite3_bind_pointer           sqlite3_api->bind_pointer
#define sqlite3_result_pointer         sqlite3_api->result_pointer
#define sqlite3_value_pointer          sqlite3_api->value_pointer
/* Version 3.22.0 and later */
#define sqlite3_vtab_nochange          sqlite3_api->vtab_nochange
#define sqlite3_value_nochange         sqlite3_api->value_nochange
#define sqlite3_vtab_collation         sqlite3_api->vtab_collation
#endif /* !defined(SQLITE_CORE) && !defined(SQLITE_OMIT_LOAD_EXTENSION) */

#if !defined(SQLITE_CORE) && !defined(SQLITE_OMIT_LOAD_EXTENSION)
  /* This case when the file really is being compiled as a loadable 
  ** extension */
# define SQLITE_EXTENSION_INIT1     const sqlite3_api_routines *sqlite3_api=0;
# define SQLITE_EXTENSION_INIT2(v)  sqlite3_api=v;
................................................................................
    bSeq = 0;
  }else{
    addr = 1 + sqlite3VdbeAddOp2(v, OP_Sort, iTab, addrBreak); VdbeCoverage(v);
    codeOffset(v, p->iOffset, addrContinue);
    iSortTab = iTab;
    bSeq = 1;
  }
  for(i=0, iCol=nKey+bSeq-1; i<nSortData; i++){
    if( aOutEx[i].u.x.iOrderByCol==0 ) iCol++;
  }
  for(i=nSortData-1; i>=0; i--){
    int iRead;
    if( aOutEx[i].u.x.iOrderByCol ){
      iRead = aOutEx[i].u.x.iOrderByCol-1;
    }else{
      iRead = iCol--;
    }
    sqlite3VdbeAddOp3(v, OP_Column, iSortTab, iRead, regRow+i);
    VdbeComment((v, "%s", aOutEx[i].zName ? aOutEx[i].zName : aOutEx[i].zSpan));
  }
  switch( eDest ){
    case SRT_Table:
    case SRT_EphemTab: {
................................................................................
    pE = pTerm->pExpr;
    assert( !ExprHasProperty(pE, EP_FromJoin) );
    assert( (pTerm->prereqRight & pLevel->notReady)!=0 );
    pAlt = sqlite3WhereFindTerm(pWC, iCur, pTerm->u.leftColumn, notReady,
                    WO_EQ|WO_IN|WO_IS, 0);
    if( pAlt==0 ) continue;
    if( pAlt->wtFlags & (TERM_CODED) ) continue;
    if( (pAlt->eOperator & WO_IN) 
     && (pAlt->pExpr->flags & EP_xIsSelect)
     && (pAlt->pExpr->x.pSelect->pEList->nExpr>1)
    ){
      continue;
    }
    testcase( pAlt->eOperator & WO_EQ );
    testcase( pAlt->eOperator & WO_IS );
    testcase( pAlt->eOperator & WO_IN );
    VdbeModuleComment((v, "begin transitive constraint"));
    sEAlt = *pAlt->pExpr;
    sEAlt.pLeft = pE->pLeft;
    sqlite3ExprIfFalse(pParse, &sEAlt, addrCont, SQLITE_JUMPIFNULL);
................................................................................
    mask |= sqlite3WhereExprUsage(pMaskSet, pS->pWhere);
    mask |= sqlite3WhereExprUsage(pMaskSet, pS->pHaving);
    if( ALWAYS(pSrc!=0) ){
      int i;
      for(i=0; i<pSrc->nSrc; i++){
        mask |= exprSelectUsage(pMaskSet, pSrc->a[i].pSelect);
        mask |= sqlite3WhereExprUsage(pMaskSet, pSrc->a[i].pOn);
        if( pSrc->a[i].fg.isTabFunc ){
          mask |= sqlite3WhereExprListUsage(pMaskSet, pSrc->a[i].u1.pFuncArg);
        }
      }
    }
    pS = pS->pPrior;
  }
  return mask;
}

................................................................................
    }else if( eOp & (WO_EQ|WO_IS) ){
      int iCol = pProbe->aiColumn[saved_nEq];
      pNew->wsFlags |= WHERE_COLUMN_EQ;
      assert( saved_nEq==pNew->u.btree.nEq );
      if( iCol==XN_ROWID 
       || (iCol>=0 && nInMul==0 && saved_nEq==pProbe->nKeyCol-1)
      ){
        if( iCol==XN_ROWID || pProbe->uniqNotNull 
         || (pProbe->nKeyCol==1 && pProbe->onError && eOp==WO_EQ) 
        ){
          pNew->wsFlags |= WHERE_ONEROW;
        }else{
          pNew->wsFlags |= WHERE_UNQ_WANTED;
        }
      }
    }else if( eOp & WO_ISNULL ){
      pNew->wsFlags |= WHERE_COLUMN_NULL;
    }else if( eOp & (WO_GT|WO_GE) ){
      testcase( eOp & WO_GT );
      testcase( eOp & WO_GE );
................................................................................
  ** preserves SQLite's legacy behaviour in the following two cases:
  **
  **   FROM ... WHERE random()>0;           -- eval random() once per row
  **   FROM ... WHERE (SELECT random())>0;  -- eval random() once overall
  */
  for(ii=0; ii<sWLB.pWC->nTerm; ii++){
    WhereTerm *pT = &sWLB.pWC->a[ii];
    if( pT->wtFlags & TERM_VIRTUAL ) continue;
    if( pT->prereqAll==0 && (nTabList==0 || exprIsDeterministic(pT->pExpr)) ){
      sqlite3ExprIfFalse(pParse, pT->pExpr, pWInfo->iBreak, SQLITE_JUMPIFNULL);
      pT->wtFlags |= TERM_CODED;
    }
  }

  if( wctrlFlags & WHERE_WANT_DISTINCT ){
................................................................................
#else
    /* SQLITE_NOLFS       */ 0,
#endif
    /* SQLITE_AUTH        */ "authorization denied",
    /* SQLITE_FORMAT      */ 0,
    /* SQLITE_RANGE       */ "column index out of range",
    /* SQLITE_NOTADB      */ "file is not a database",
    /* SQLITE_NOTICE      */ "notification message",
    /* SQLITE_WARNING     */ "warning message",
  };
  const char *zErr = "unknown error";
  switch( rc ){
    case SQLITE_ABORT_ROLLBACK: {
      zErr = "abort due to ROLLBACK";
      break;
    }
    case SQLITE_ROW: {
      zErr = "another row available";
      break;
    }
    case SQLITE_DONE: {
      zErr = "no more rows available";
      break;
    }
    default: {
      rc &= 0xff;
      if( ALWAYS(rc>=0) && rc<ArraySize(aMsg) && aMsg[rc]!=0 ){
        zErr = aMsg[rc];
      }
      break;
................................................................................
  sqlite3_stmt *pStmt;
  int rc = fts3SqlStmt(p, SQL_INSERT_SEGMENTS, &pStmt, 0);
  if( rc==SQLITE_OK ){
    sqlite3_bind_int64(pStmt, 1, iBlock);
    sqlite3_bind_blob(pStmt, 2, z, n, SQLITE_STATIC);
    sqlite3_step(pStmt);
    rc = sqlite3_reset(pStmt);
    sqlite3_bind_null(pStmt, 2);
  }
  return rc;
}

/*
** Find the largest relative level number in the table. If successful, set
** *pnMax to this value and return SQLITE_OK. Otherwise, if an error occurs,
................................................................................
      char *zEnd = sqlite3_mprintf("%lld %lld", iEndBlock, nLeafData);
      if( !zEnd ) return SQLITE_NOMEM;
      sqlite3_bind_text(pStmt, 5, zEnd, -1, sqlite3_free);
    }
    sqlite3_bind_blob(pStmt, 6, zRoot, nRoot, SQLITE_STATIC);
    sqlite3_step(pStmt);
    rc = sqlite3_reset(pStmt);
    sqlite3_bind_null(pStmt, 6);
  }
  return rc;
}

/*
** Return the size of the common prefix (if any) shared by zPrev and
** zNext, in bytes. For example, 
................................................................................
    *pRC = rc;
    return;
  }
  sqlite3_bind_int(pStmt, 1, FTS_STAT_DOCTOTAL);
  sqlite3_bind_blob(pStmt, 2, pBlob, nBlob, SQLITE_STATIC);
  sqlite3_step(pStmt);
  *pRC = sqlite3_reset(pStmt);
  sqlite3_bind_null(pStmt, 2);
  sqlite3_free(a);
}

/*
** Merge the entire database so that there is one segment for each 
** iIndex/iLangid combination.
*/
................................................................................
    if( rc==SQLITE_OK ){
      sqlite3_bind_int64(pChomp, 1, iNewStart);
      sqlite3_bind_blob(pChomp, 2, root.a, root.n, SQLITE_STATIC);
      sqlite3_bind_int64(pChomp, 3, iAbsLevel);
      sqlite3_bind_int(pChomp, 4, iIdx);
      sqlite3_step(pChomp);
      rc = sqlite3_reset(pChomp);
      sqlite3_bind_null(pChomp, 2);
    }
  }

  sqlite3_free(root.a);
  sqlite3_free(block.a);
  return rc;
}
................................................................................

  rc = fts3SqlStmt(p, SQL_REPLACE_STAT, &pReplace, 0);
  if( rc==SQLITE_OK ){
    sqlite3_bind_int(pReplace, 1, FTS_STAT_INCRMERGEHINT);
    sqlite3_bind_blob(pReplace, 2, pHint->a, pHint->n, SQLITE_STATIC);
    sqlite3_step(pReplace);
    rc = sqlite3_reset(pReplace);
    sqlite3_bind_null(pReplace, 2);
  }

  return rc;
}

/*
** Load an incr-merge hint from the database. The incr-merge hint, if one 
................................................................................
    }else{
      sqlite3_bind_null(p, 1);
    }
    sqlite3_bind_blob(p, 2, pNode->zData, pRtree->iNodeSize, SQLITE_STATIC);
    sqlite3_step(p);
    pNode->isDirty = 0;
    rc = sqlite3_reset(p);
    sqlite3_bind_null(p, 2);
    if( pNode->iNode==0 && rc==SQLITE_OK ){
      pNode->iNode = sqlite3_last_insert_rowid(pRtree->db);
      nodeHashInsert(pRtree, pNode);
    }
  }
  return rc;
}
................................................................................
  int op,                         /* One of SQLITE_UPDATE, INSERT, DELETE */
  sqlite3_session *pSession,      /* Session object pTab is attached to */
  SessionTable *pTab              /* Table that change applies to */
){
  int iHash; 
  int bNull = 0; 
  int rc = SQLITE_OK;
  SessionStat1Ctx stat1 = {0};

  if( pSession->rc ) return;

  /* Load table details if required */
  if( sessionInitTable(pSession, pTab) ) return;

  /* Check the number of columns in this xPreUpdate call matches the 
................................................................................
    if( p->rc ) return;
  }

  sqlite3_bind_int64(p->pWriter, 1, iRowid);
  sqlite3_bind_blob(p->pWriter, 2, pData, nData, SQLITE_STATIC);
  sqlite3_step(p->pWriter);
  p->rc = sqlite3_reset(p->pWriter);
  sqlite3_bind_null(p->pWriter, 2);
}

/*
** Execute the following SQL:
**
**     DELETE FROM %_data WHERE id BETWEEN $iFirst AND $iLast
*/
................................................................................
  sqlite3_bind_blob(pIdxSelect, 2, pTerm, nTerm, SQLITE_STATIC);
  if( SQLITE_ROW==sqlite3_step(pIdxSelect) ){
    i64 val = sqlite3_column_int(pIdxSelect, 0);
    iPg = (int)(val>>1);
    bDlidx = (val & 0x0001);
  }
  p->rc = sqlite3_reset(pIdxSelect);
  sqlite3_bind_null(pIdxSelect, 2);

  if( iPg<pSeg->pgnoFirst ){
    iPg = pSeg->pgnoFirst;
    bDlidx = 0;
  }

  pIter->iLeafPgno = iPg - 1;
................................................................................
        sqlite3_stmt *pIdxSelect = fts5IdxSelectStmt(p);
        if( p->rc==SQLITE_OK ){
          u8 aBlob[2] = {0xff, 0xff};
          sqlite3_bind_int(pIdxSelect, 1, iSegid);
          sqlite3_bind_blob(pIdxSelect, 2, aBlob, 2, SQLITE_STATIC);
          assert( sqlite3_step(pIdxSelect)!=SQLITE_ROW );
          p->rc = sqlite3_reset(pIdxSelect);
          sqlite3_bind_null(pIdxSelect, 2);
        }
      }
#endif
    }
  }

  return iSegid;
................................................................................
    const char *z = (pWriter->btterm.n>0?(const char*)pWriter->btterm.p:"");
    /* The following was already done in fts5WriteInit(): */
    /* sqlite3_bind_int(p->pIdxWriter, 1, pWriter->iSegid); */
    sqlite3_bind_blob(p->pIdxWriter, 2, z, pWriter->btterm.n, SQLITE_STATIC);
    sqlite3_bind_int64(p->pIdxWriter, 3, bFlag + ((i64)pWriter->iBtPage<<1));
    sqlite3_step(p->pIdxWriter);
    p->rc = sqlite3_reset(p->pIdxWriter);
    sqlite3_bind_null(p->pIdxWriter, 2);
  }
  pWriter->iBtPage = 0;
}

/*
** This is called once for each leaf page except the first that contains
** at least one term. Argument (nTerm/pTerm) is the split-key - a term that
................................................................................
static void fts5SourceIdFunc(
  sqlite3_context *pCtx,          /* Function call context */
  int nArg,                       /* Number of args */
  sqlite3_value **apUnused        /* Function arguments */
){
  assert( nArg==0 );
  UNUSED_PARAM2(nArg, apUnused);
  sqlite3_result_text(pCtx, "fts5: 2018-02-08 01:00:11 ad5d3bdc739a0997786f94fb5789b726b9f53ff883226093924338fe5000922b", -1, SQLITE_TRANSIENT);
}

static int fts5Init(sqlite3 *db){
  static const sqlite3_module fts5Mod = {
    /* iVersion      */ 2,
    /* xCreate       */ fts5CreateMethod,
    /* xConnect      */ fts5ConnectMethod,
................................................................................
    sqlite3_stmt *pReplace = 0;
    rc = fts5StorageGetStmt(p, FTS5_STMT_REPLACE_DOCSIZE, &pReplace, 0);
    if( rc==SQLITE_OK ){
      sqlite3_bind_int64(pReplace, 1, iRowid);
      sqlite3_bind_blob(pReplace, 2, pBuf->p, pBuf->n, SQLITE_STATIC);
      sqlite3_step(pReplace);
      rc = sqlite3_reset(pReplace);
      sqlite3_bind_null(pReplace, 2);
    }
  }
  return rc;
}

/*
** Load the contents of the "averages" record from disk into the 
................................................................................
    if( pVal ){
      sqlite3_bind_value(pReplace, 2, pVal);
    }else{
      sqlite3_bind_int(pReplace, 2, iVal);
    }
    sqlite3_step(pReplace);
    rc = sqlite3_reset(pReplace);
    sqlite3_bind_null(pReplace, 1);
  }
  if( rc==SQLITE_OK && pVal ){
    int iNew = p->pConfig->iCookie + 1;
    rc = sqlite3Fts5IndexSetCookie(p->pIndex, iNew);
    if( rc==SQLITE_OK ){
      p->pConfig->iCookie = iNew;
    }
................................................................................
#endif
  return rc;
}
#endif /* SQLITE_CORE */
#endif /* !defined(SQLITE_CORE) || defined(SQLITE_ENABLE_STMTVTAB) */

/************** End of stmt.c ************************************************/
#if __LINE__!=207754
#undef SQLITE_SOURCE_ID
#define SQLITE_SOURCE_ID      "2018-02-08 01:00:11 ad5d3bdc739a0997786f94fb5789b726b9f53ff883226093924338fe5000alt2"
#endif
/* Return the source-id for this library */
SQLITE_API const char *sqlite3_sourceid(void){ return SQLITE_SOURCE_ID; }
/************************** End of sqlite3.c ******************************/

Changes to SQLite.Interop/src/core/sqlite3.h.

119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
....
3655
3656
3657
3658
3659
3660
3661

3662
3663
3664
3665
3666
3667
3668
3669
3670
3671
3672
3673
3674
3675
** been edited in any way since it was last checked in, then the last
** four hexadecimal digits of the hash may be modified.
**
** See also: [sqlite3_libversion()],
** [sqlite3_libversion_number()], [sqlite3_sourceid()],
** [sqlite_version()] and [sqlite_source_id()].
*/
#define SQLITE_VERSION        "3.22.0"
#define SQLITE_VERSION_NUMBER 3022000
#define SQLITE_SOURCE_ID      "2018-01-22 18:45:57 0c55d179733b46d8d0ba4d88e01a25e10677046ee3da1d5b1581e86726f2171d"

/*
** CAPI3REF: Run-Time Library Version Numbers
** KEYWORDS: sqlite3_version sqlite3_sourceid
**
** These interfaces provide the same information as the [SQLITE_VERSION],
** [SQLITE_VERSION_NUMBER], and [SQLITE_SOURCE_ID] C preprocessor macros
................................................................................
** a schema change, on the first  [sqlite3_step()] call following any change
** to the [sqlite3_bind_text | bindings] of that [parameter]. 
** ^The specific value of WHERE-clause [parameter] might influence the 
** choice of query plan if the parameter is the left-hand side of a [LIKE]
** or [GLOB] operator or if the parameter is compared to an indexed column
** and the [SQLITE_ENABLE_STAT3] compile-time option is enabled.
** </li>

**
** <p>^sqlite3_prepare_v3() differs from sqlite3_prepare_v2() only in having
** the extra prepFlags parameter, which is a bit array consisting of zero or
** more of the [SQLITE_PREPARE_PERSISTENT|SQLITE_PREPARE_*] flags.  ^The
** sqlite3_prepare_v2() interface works exactly the same as
** sqlite3_prepare_v3() with a zero prepFlags parameter.
** </ol>
*/
SQLITE_API int sqlite3_prepare(
  sqlite3 *db,            /* Database handle */
  const char *zSql,       /* SQL statement, UTF-8 encoded */
  int nByte,              /* Maximum length of zSql in bytes. */
  sqlite3_stmt **ppStmt,  /* OUT: Statement handle */
  const char **pzTail     /* OUT: Pointer to unused portion of zSql */







|
|
|







 







>






<







119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
....
3655
3656
3657
3658
3659
3660
3661
3662
3663
3664
3665
3666
3667
3668

3669
3670
3671
3672
3673
3674
3675
** been edited in any way since it was last checked in, then the last
** four hexadecimal digits of the hash may be modified.
**
** See also: [sqlite3_libversion()],
** [sqlite3_libversion_number()], [sqlite3_sourceid()],
** [sqlite_version()] and [sqlite_source_id()].
*/
#define SQLITE_VERSION        "3.23.0"
#define SQLITE_VERSION_NUMBER 3023000
#define SQLITE_SOURCE_ID      "2018-02-08 01:00:11 ad5d3bdc739a0997786f94fb5789b726b9f53ff883226093924338fe5000922b"

/*
** CAPI3REF: Run-Time Library Version Numbers
** KEYWORDS: sqlite3_version sqlite3_sourceid
**
** These interfaces provide the same information as the [SQLITE_VERSION],
** [SQLITE_VERSION_NUMBER], and [SQLITE_SOURCE_ID] C preprocessor macros
................................................................................
** a schema change, on the first  [sqlite3_step()] call following any change
** to the [sqlite3_bind_text | bindings] of that [parameter]. 
** ^The specific value of WHERE-clause [parameter] might influence the 
** choice of query plan if the parameter is the left-hand side of a [LIKE]
** or [GLOB] operator or if the parameter is compared to an indexed column
** and the [SQLITE_ENABLE_STAT3] compile-time option is enabled.
** </li>
** </ol>
**
** <p>^sqlite3_prepare_v3() differs from sqlite3_prepare_v2() only in having
** the extra prepFlags parameter, which is a bit array consisting of zero or
** more of the [SQLITE_PREPARE_PERSISTENT|SQLITE_PREPARE_*] flags.  ^The
** sqlite3_prepare_v2() interface works exactly the same as
** sqlite3_prepare_v3() with a zero prepFlags parameter.

*/
SQLITE_API int sqlite3_prepare(
  sqlite3 *db,            /* Database handle */
  const char *zSql,       /* SQL statement, UTF-8 encoded */
  int nByte,              /* Maximum length of zSql in bytes. */
  sqlite3_stmt **ppStmt,  /* OUT: Statement handle */
  const char **pzTail     /* OUT: Pointer to unused portion of zSql */

Changes to SQLite.Interop/src/core/sqlite3ext.h.

559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
#define sqlite3_prepare_v3             sqlite3_api->prepare_v3
#define sqlite3_prepare16_v3           sqlite3_api->prepare16_v3
#define sqlite3_bind_pointer           sqlite3_api->bind_pointer
#define sqlite3_result_pointer         sqlite3_api->result_pointer
#define sqlite3_value_pointer          sqlite3_api->value_pointer
/* Version 3.22.0 and later */
#define sqlite3_vtab_nochange          sqlite3_api->vtab_nochange
#define sqlite3_value_nochange         sqltie3_api->value_nochange
#define sqlite3_vtab_collation         sqltie3_api->vtab_collation
#endif /* !defined(SQLITE_CORE) && !defined(SQLITE_OMIT_LOAD_EXTENSION) */

#if !defined(SQLITE_CORE) && !defined(SQLITE_OMIT_LOAD_EXTENSION)
  /* This case when the file really is being compiled as a loadable 
  ** extension */
# define SQLITE_EXTENSION_INIT1     const sqlite3_api_routines *sqlite3_api=0;
# define SQLITE_EXTENSION_INIT2(v)  sqlite3_api=v;







|
|







559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
#define sqlite3_prepare_v3             sqlite3_api->prepare_v3
#define sqlite3_prepare16_v3           sqlite3_api->prepare16_v3
#define sqlite3_bind_pointer           sqlite3_api->bind_pointer
#define sqlite3_result_pointer         sqlite3_api->result_pointer
#define sqlite3_value_pointer          sqlite3_api->value_pointer
/* Version 3.22.0 and later */
#define sqlite3_vtab_nochange          sqlite3_api->vtab_nochange
#define sqlite3_value_nochange         sqlite3_api->value_nochange
#define sqlite3_vtab_collation         sqlite3_api->vtab_collation
#endif /* !defined(SQLITE_CORE) && !defined(SQLITE_OMIT_LOAD_EXTENSION) */

#if !defined(SQLITE_CORE) && !defined(SQLITE_OMIT_LOAD_EXTENSION)
  /* This case when the file really is being compiled as a loadable 
  ** extension */
# define SQLITE_EXTENSION_INIT1     const sqlite3_api_routines *sqlite3_api=0;
# define SQLITE_EXTENSION_INIT2(v)  sqlite3_api=v;

Changes to SQLite.Interop/src/ext/fts5.c.

9080
9081
9082
9083
9084
9085
9086

9087
9088
9089
9090
9091
9092
9093
.....
10708
10709
10710
10711
10712
10713
10714

10715
10716
10717
10718
10719
10720
10721
.....
11920
11921
11922
11923
11924
11925
11926

11927
11928
11929
11930
11931
11932
11933
.....
12046
12047
12048
12049
12050
12051
12052

12053
12054
12055
12056
12057
12058
12059
.....
17454
17455
17456
17457
17458
17459
17460
17461
17462
17463
17464
17465
17466
17467
17468
.....
18031
18032
18033
18034
18035
18036
18037

18038
18039
18040
18041
18042
18043
18044
.....
18691
18692
18693
18694
18695
18696
18697

18698
18699
18700
18701
18702
18703
18704
    if( p->rc ) return;
  }

  sqlite3_bind_int64(p->pWriter, 1, iRowid);
  sqlite3_bind_blob(p->pWriter, 2, pData, nData, SQLITE_STATIC);
  sqlite3_step(p->pWriter);
  p->rc = sqlite3_reset(p->pWriter);

}

/*
** Execute the following SQL:
**
**     DELETE FROM %_data WHERE id BETWEEN $iFirst AND $iLast
*/
................................................................................
  sqlite3_bind_blob(pIdxSelect, 2, pTerm, nTerm, SQLITE_STATIC);
  if( SQLITE_ROW==sqlite3_step(pIdxSelect) ){
    i64 val = sqlite3_column_int(pIdxSelect, 0);
    iPg = (int)(val>>1);
    bDlidx = (val & 0x0001);
  }
  p->rc = sqlite3_reset(pIdxSelect);


  if( iPg<pSeg->pgnoFirst ){
    iPg = pSeg->pgnoFirst;
    bDlidx = 0;
  }

  pIter->iLeafPgno = iPg - 1;
................................................................................
        sqlite3_stmt *pIdxSelect = fts5IdxSelectStmt(p);
        if( p->rc==SQLITE_OK ){
          u8 aBlob[2] = {0xff, 0xff};
          sqlite3_bind_int(pIdxSelect, 1, iSegid);
          sqlite3_bind_blob(pIdxSelect, 2, aBlob, 2, SQLITE_STATIC);
          assert( sqlite3_step(pIdxSelect)!=SQLITE_ROW );
          p->rc = sqlite3_reset(pIdxSelect);

        }
      }
#endif
    }
  }

  return iSegid;
................................................................................
    const char *z = (pWriter->btterm.n>0?(const char*)pWriter->btterm.p:"");
    /* The following was already done in fts5WriteInit(): */
    /* sqlite3_bind_int(p->pIdxWriter, 1, pWriter->iSegid); */
    sqlite3_bind_blob(p->pIdxWriter, 2, z, pWriter->btterm.n, SQLITE_STATIC);
    sqlite3_bind_int64(p->pIdxWriter, 3, bFlag + ((i64)pWriter->iBtPage<<1));
    sqlite3_step(p->pIdxWriter);
    p->rc = sqlite3_reset(p->pIdxWriter);

  }
  pWriter->iBtPage = 0;
}

/*
** This is called once for each leaf page except the first that contains
** at least one term. Argument (nTerm/pTerm) is the split-key - a term that
................................................................................
static void fts5SourceIdFunc(
  sqlite3_context *pCtx,          /* Function call context */
  int nArg,                       /* Number of args */
  sqlite3_value **apUnused        /* Function arguments */
){
  assert( nArg==0 );
  UNUSED_PARAM2(nArg, apUnused);
  sqlite3_result_text(pCtx, "fts5: 2018-01-22 18:45:57 0c55d179733b46d8d0ba4d88e01a25e10677046ee3da1d5b1581e86726f2171d", -1, SQLITE_TRANSIENT);
}

static int fts5Init(sqlite3 *db){
  static const sqlite3_module fts5Mod = {
    /* iVersion      */ 2,
    /* xCreate       */ fts5CreateMethod,
    /* xConnect      */ fts5ConnectMethod,
................................................................................
    sqlite3_stmt *pReplace = 0;
    rc = fts5StorageGetStmt(p, FTS5_STMT_REPLACE_DOCSIZE, &pReplace, 0);
    if( rc==SQLITE_OK ){
      sqlite3_bind_int64(pReplace, 1, iRowid);
      sqlite3_bind_blob(pReplace, 2, pBuf->p, pBuf->n, SQLITE_STATIC);
      sqlite3_step(pReplace);
      rc = sqlite3_reset(pReplace);

    }
  }
  return rc;
}

/*
** Load the contents of the "averages" record from disk into the 
................................................................................
    if( pVal ){
      sqlite3_bind_value(pReplace, 2, pVal);
    }else{
      sqlite3_bind_int(pReplace, 2, iVal);
    }
    sqlite3_step(pReplace);
    rc = sqlite3_reset(pReplace);

  }
  if( rc==SQLITE_OK && pVal ){
    int iNew = p->pConfig->iCookie + 1;
    rc = sqlite3Fts5IndexSetCookie(p->pIndex, iNew);
    if( rc==SQLITE_OK ){
      p->pConfig->iCookie = iNew;
    }







>







 







>







 







>







 







>







 







|







 







>







 







>







9080
9081
9082
9083
9084
9085
9086
9087
9088
9089
9090
9091
9092
9093
9094
.....
10709
10710
10711
10712
10713
10714
10715
10716
10717
10718
10719
10720
10721
10722
10723
.....
11922
11923
11924
11925
11926
11927
11928
11929
11930
11931
11932
11933
11934
11935
11936
.....
12049
12050
12051
12052
12053
12054
12055
12056
12057
12058
12059
12060
12061
12062
12063
.....
17458
17459
17460
17461
17462
17463
17464
17465
17466
17467
17468
17469
17470
17471
17472
.....
18035
18036
18037
18038
18039
18040
18041
18042
18043
18044
18045
18046
18047
18048
18049
.....
18696
18697
18698
18699
18700
18701
18702
18703
18704
18705
18706
18707
18708
18709
18710
    if( p->rc ) return;
  }

  sqlite3_bind_int64(p->pWriter, 1, iRowid);
  sqlite3_bind_blob(p->pWriter, 2, pData, nData, SQLITE_STATIC);
  sqlite3_step(p->pWriter);
  p->rc = sqlite3_reset(p->pWriter);
  sqlite3_bind_null(p->pWriter, 2);
}

/*
** Execute the following SQL:
**
**     DELETE FROM %_data WHERE id BETWEEN $iFirst AND $iLast
*/
................................................................................
  sqlite3_bind_blob(pIdxSelect, 2, pTerm, nTerm, SQLITE_STATIC);
  if( SQLITE_ROW==sqlite3_step(pIdxSelect) ){
    i64 val = sqlite3_column_int(pIdxSelect, 0);
    iPg = (int)(val>>1);
    bDlidx = (val & 0x0001);
  }
  p->rc = sqlite3_reset(pIdxSelect);
  sqlite3_bind_null(pIdxSelect, 2);

  if( iPg<pSeg->pgnoFirst ){
    iPg = pSeg->pgnoFirst;
    bDlidx = 0;
  }

  pIter->iLeafPgno = iPg - 1;
................................................................................
        sqlite3_stmt *pIdxSelect = fts5IdxSelectStmt(p);
        if( p->rc==SQLITE_OK ){
          u8 aBlob[2] = {0xff, 0xff};
          sqlite3_bind_int(pIdxSelect, 1, iSegid);
          sqlite3_bind_blob(pIdxSelect, 2, aBlob, 2, SQLITE_STATIC);
          assert( sqlite3_step(pIdxSelect)!=SQLITE_ROW );
          p->rc = sqlite3_reset(pIdxSelect);
          sqlite3_bind_null(pIdxSelect, 2);
        }
      }
#endif
    }
  }

  return iSegid;
................................................................................
    const char *z = (pWriter->btterm.n>0?(const char*)pWriter->btterm.p:"");
    /* The following was already done in fts5WriteInit(): */
    /* sqlite3_bind_int(p->pIdxWriter, 1, pWriter->iSegid); */
    sqlite3_bind_blob(p->pIdxWriter, 2, z, pWriter->btterm.n, SQLITE_STATIC);
    sqlite3_bind_int64(p->pIdxWriter, 3, bFlag + ((i64)pWriter->iBtPage<<1));
    sqlite3_step(p->pIdxWriter);
    p->rc = sqlite3_reset(p->pIdxWriter);
    sqlite3_bind_null(p->pIdxWriter, 2);
  }
  pWriter->iBtPage = 0;
}

/*
** This is called once for each leaf page except the first that contains
** at least one term. Argument (nTerm/pTerm) is the split-key - a term that
................................................................................
static void fts5SourceIdFunc(
  sqlite3_context *pCtx,          /* Function call context */
  int nArg,                       /* Number of args */
  sqlite3_value **apUnused        /* Function arguments */
){
  assert( nArg==0 );
  UNUSED_PARAM2(nArg, apUnused);
  sqlite3_result_text(pCtx, "fts5: 2018-02-08 01:00:11 ad5d3bdc739a0997786f94fb5789b726b9f53ff883226093924338fe5000922b", -1, SQLITE_TRANSIENT);
}

static int fts5Init(sqlite3 *db){
  static const sqlite3_module fts5Mod = {
    /* iVersion      */ 2,
    /* xCreate       */ fts5CreateMethod,
    /* xConnect      */ fts5ConnectMethod,
................................................................................
    sqlite3_stmt *pReplace = 0;
    rc = fts5StorageGetStmt(p, FTS5_STMT_REPLACE_DOCSIZE, &pReplace, 0);
    if( rc==SQLITE_OK ){
      sqlite3_bind_int64(pReplace, 1, iRowid);
      sqlite3_bind_blob(pReplace, 2, pBuf->p, pBuf->n, SQLITE_STATIC);
      sqlite3_step(pReplace);
      rc = sqlite3_reset(pReplace);
      sqlite3_bind_null(pReplace, 2);
    }
  }
  return rc;
}

/*
** Load the contents of the "averages" record from disk into the 
................................................................................
    if( pVal ){
      sqlite3_bind_value(pReplace, 2, pVal);
    }else{
      sqlite3_bind_int(pReplace, 2, iVal);
    }
    sqlite3_step(pReplace);
    rc = sqlite3_reset(pReplace);
    sqlite3_bind_null(pReplace, 1);
  }
  if( rc==SQLITE_OK && pVal ){
    int iNew = p->pConfig->iCookie + 1;
    rc = sqlite3Fts5IndexSetCookie(p->pIndex, iNew);
    if( rc==SQLITE_OK ){
      p->pConfig->iCookie = iNew;
    }