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Have the optimization introduced in (2170) deal with OP_NullRow as well as OP_Column and OP_Recno. Fix for #1086. (CVS 2290)

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FossilOrigin-Name: 356d31e03fe856642c5637f5ea5665947ff681fc
This commit is contained in:
danielk1977
2005-01-30 09:17:58 +00:00
parent 0fa388f685
commit 6c18b6e0f4
5 changed files with 30 additions and 12 deletions
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3
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 1.189 2005/01/29 08:32:45 danielk1977 Exp $
** $Id: expr.c,v 1.190 2005/01/30 09:17:59 danielk1977 Exp $
*/
#include "sqliteInt.h"
#include <ctype.h>
@@ -476,6 +476,7 @@ SrcList *sqlite3SrcListDup(SrcList *p){
pNewItem->pSelect = sqlite3SelectDup(pOldItem->pSelect);
pNewItem->pOn = sqlite3ExprDup(pOldItem->pOn);
pNewItem->pUsing = sqlite3IdListDup(pOldItem->pUsing);
pNewItem->colUsed = pOldItem->colUsed;
}
return pNew;
}