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Overview
Comment: | pre 3.2.5 update |
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Downloads: | Tarball | ZIP archive |
Timelines: | family | ancestors | descendants | both | sourceforge |
Files: | files | file ages | folders |
SHA1: |
f4aa990e739ad35de8ea715503045ae4 |
User & Date: | rmsimpson 2005-08-25 18:37:27.000 |
Context
2005-08-25
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18:42 | pre 3.2.5 update check-in: 4d201cb5ab user: rmsimpson tags: sourceforge | |
18:37 | pre 3.2.5 update check-in: f4aa990e73 user: rmsimpson tags: sourceforge | |
18:30 | NTFS EFS (Encrypted file system) and compression support check-in: a90b51ae3c user: rmsimpson tags: sourceforge | |
Changes
Changes to SQLite.Interop/src/expr.c.
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11 12 13 14 15 16 17 | ** May you find forgiveness for yourself and forgive others. ** May you share freely, never taking more than you give. ** ************************************************************************* ** This file contains routines used for analyzing expressions and ** for generating VDBE code that evaluates expressions in SQLite. ** | | | 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 | ** May you find forgiveness for yourself and forgive others. ** May you share freely, never taking more than you give. ** ************************************************************************* ** This file contains routines used for analyzing expressions and ** for generating VDBE code that evaluates expressions in SQLite. ** ** $Id: expr.c,v 1.10 2005/08/25 18:37:27 rmsimpson Exp $ */ #include "sqliteInt.h" #include <ctype.h> /* ** Return the 'affinity' of the expression pExpr if any. ** |
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623 624 625 626 627 628 629 630 631 632 633 634 635 636 | ** The return value from xFunc determines whether the tree walk continues. ** 0 means continue walking the tree. 1 means do not walk children ** of the current node but continue with siblings. 2 means abandon ** the tree walk completely. ** ** The return value from this routine is 1 to abandon the tree walk ** and 0 to continue. */ static int walkExprList(ExprList *, int (*)(void *, Expr*), void *); static int walkExprTree(Expr *pExpr, int (*xFunc)(void*,Expr*), void *pArg){ int rc; if( pExpr==0 ) return 0; rc = (*xFunc)(pArg, pExpr); if( rc==0 ){ | > > | 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 | ** The return value from xFunc determines whether the tree walk continues. ** 0 means continue walking the tree. 1 means do not walk children ** of the current node but continue with siblings. 2 means abandon ** the tree walk completely. ** ** The return value from this routine is 1 to abandon the tree walk ** and 0 to continue. ** ** NOTICE: This routine does *not* descend into subqueries. */ static int walkExprList(ExprList *, int (*)(void *, Expr*), void *); static int walkExprTree(Expr *pExpr, int (*xFunc)(void*,Expr*), void *pArg){ int rc; if( pExpr==0 ) return 0; rc = (*xFunc)(pArg, pExpr); if( rc==0 ){ |
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695 696 697 698 699 700 701 702 703 704 705 706 707 708 | case TK_AGG_FUNCTION: #ifndef SQLITE_OMIT_SUBQUERY case TK_SELECT: case TK_EXISTS: #endif *((int*)pArg) = 0; return 2; default: return 0; } } /* ** Walk an expression tree. Return 1 if the expression is constant | > > > > > | 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 | case TK_AGG_FUNCTION: #ifndef SQLITE_OMIT_SUBQUERY case TK_SELECT: case TK_EXISTS: #endif *((int*)pArg) = 0; return 2; case TK_IN: if( pExpr->pSelect ){ *((int*)pArg) = 0; return 2; } default: return 0; } } /* ** Walk an expression tree. Return 1 if the expression is constant |
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