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Fix a memory leak in expression processing. (CVS 414)

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FossilOrigin-Name: dfe431c9b70bc3a1bf5148826edce0846737e66b
This commit is contained in:
drh
2002-03-03 03:42:31 +00:00
parent c0a165b304
commit 75148a27b4
4 changed files with 13 additions and 16 deletions
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10
src/expr.c
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@@ -12,7 +12,7 @@
** This file contains routines used for analyzing expressions and
** for generating VDBE code that evaluates expressions in SQLite.
**
** $Id: expr.c,v 1.52 2002/03/02 17:04:08 drh Exp $
** $Id: expr.c,v 1.53 2002/03/03 03:42:31 drh Exp $
*/
#include "sqliteInt.h"
@@ -85,10 +85,8 @@ Expr *sqliteExprFunction(ExprList *pList, Token *pToken){
*/
void sqliteExprDelete(Expr *p){
if( p==0 ) return;
if( p->op!=TK_AS ){
if( p->pLeft ) sqliteExprDelete(p->pLeft);
if( p->pRight ) sqliteExprDelete(p->pRight);
}
if( p->pLeft ) sqliteExprDelete(p->pLeft);
if( p->pRight ) sqliteExprDelete(p->pRight);
if( p->pList ) sqliteExprListDelete(p->pList);
if( p->pSelect ) sqliteSelectDelete(p->pSelect);
sqliteFree(p);
@@ -409,7 +407,7 @@ int sqliteExprResolveIds(
assert( pExpr->pLeft==0 && pExpr->pRight==0 );
pExpr->op = TK_AS;
pExpr->iColumn = j;
pExpr->pLeft = pEList->a[j].pExpr;
pExpr->pLeft = sqliteExprDup(pEList->a[j].pExpr);
}
}
}