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Partial fix for ticket #49. The correct result is computed, but now we have

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a memory leak.  I'm not sure if the memory leak was pre-existing or a result
of this change. (CVS 581)

FossilOrigin-Name: 4d27ee411902a197cd72416ca9da9197d3f87f13
This commit is contained in:
drh
2002-05-23 12:50:18 +00:00
parent e4697f5e90
commit 07d6e3a74c
5 changed files with 49 additions and 19 deletions
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6
src/delete.c
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@ -12,7 +12,7 @@
** This file contains C code routines that are called by the parser
** to handle DELETE FROM statements.
**
** $Id: delete.c,v 1.34 2002/05/21 11:38:11 drh Exp $
** $Id: delete.c,v 1.35 2002/05/23 12:50:18 drh Exp $
*/
#include "sqliteInt.h"
@ -332,9 +332,11 @@ void sqliteGenerateRowDelete(
int base, /* Cursor number for the table */
int count /* Increment the row change counter */
){
sqliteVdbeAddOp(v, OP_MoveTo, base, 0);
int addr;
addr = sqliteVdbeAddOp(v, OP_NotExists, base, 0);
sqliteGenerateRowIndexDelete(v, pTab, base, 0);
sqliteVdbeAddOp(v, OP_Delete, base, count);
sqliteVdbeChangeP2(v, addr, sqliteVdbeCurrentAddr(v));
}
/*

4
src/update.c
View File

@ -12,7 +12,7 @@
** This file contains C code routines that are called by the parser
** to handle UPDATE statements.
**
** $Id: update.c,v 1.40 2002/05/21 11:38:12 drh Exp $
** $Id: update.c,v 1.41 2002/05/23 12:50:19 drh Exp $
*/
#include "sqliteInt.h"
@ -287,7 +287,7 @@ void sqliteUpdate(
addr = sqliteVdbeAddOp(v, OP_ListRead, 0, 0);
sqliteVdbeAddOp(v, OP_Dup, 0, 0);
}
sqliteVdbeAddOp(v, OP_MoveTo, base, 0);
sqliteVdbeAddOp(v, OP_NotExists, base, addr);
/* If the record number will change, push the record number as it
** will be after the update. (The old record number is currently