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:-) (CVS 74)

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FossilOrigin-Name: 2ffeb8509c469f5a499d56bb109da079fcdff570
This commit is contained in:
drh
2000-06-07 23:51:50 +00:00
parent 792365e239
commit d8bc708652
12 changed files with 350 additions and 142 deletions
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17
src/expr.c
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@@ -23,7 +23,7 @@
*************************************************************************
** This file contains C code routines used for processing expressions
**
** $Id: expr.c,v 1.10 2000/06/06 17:27:05 drh Exp $
** $Id: expr.c,v 1.11 2000/06/07 23:51:50 drh Exp $
*/
#include "sqliteInt.h"
@@ -206,10 +206,7 @@ int sqliteExprResolveIds(Parse *pParse, IdList *pTabList, Expr *pExpr){
}
case TK_IN: {
Vdbe *v = pParse->pVdbe;
if( v==0 ){
v = pParse->pVdbe = sqliteVdbeCreate(pParse->db->pBe);
}
Vdbe *v = sqliteGetVdbe(pParse);
if( v==0 ) return 1;
if( sqliteExprResolveIds(pParse, pTabList, pExpr->pLeft) ){
return 1;
@@ -766,7 +763,7 @@ void sqliteExprIfFalse(Parse *pParse, Expr *pExpr, int dest){
** Do a deep comparison of two expression trees. Return TRUE (non-zero)
** if they are identical and return FALSE if they differ in any way.
*/
static int exprDeepCompare(Expr *pA, Expr *pB){
int sqliteExprCompare(Expr *pA, Expr *pB){
int i;
if( pA==0 ){
return pB==0;
@@ -774,13 +771,13 @@ static int exprDeepCompare(Expr *pA, Expr *pB){
return 0;
}
if( pA->op!=pB->op ) return 0;
if( !exprDeepCompare(pA->pLeft, pB->pLeft) ) return 0;
if( !exprDeepCompare(pA->pRight, pB->pRight) ) return 0;
if( !sqliteExprCompare(pA->pLeft, pB->pLeft) ) return 0;
if( !sqliteExprCompare(pA->pRight, pB->pRight) ) return 0;
if( pA->pList ){
if( pB->pList==0 ) return 0;
if( pA->pList->nExpr!=pB->pList->nExpr ) return 0;
for(i=0; i<pA->pList->nExpr; i++){
if( !exprDeepCompare(pA->pList->a[i].pExpr, pB->pList->a[i].pExpr) ){
if( !sqliteExprCompare(pA->pList->a[i].pExpr, pB->pList->a[i].pExpr) ){
return 0;
}
}
@@ -868,7 +865,7 @@ int sqliteExprAnalyzeAggregates(Parse *pParse, Expr *pExpr){
aAgg = pParse->aAgg;
for(i=0; i<pParse->nAgg; i++){
if( !aAgg[i].isAgg ) continue;
if( exprDeepCompare(aAgg[i].pExpr, pExpr) ){
if( sqliteExprCompare(aAgg[i].pExpr, pExpr) ){
break;
}
}