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Commit5315d37

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committed
Fix applied for NESTLOOP bug
submitted by: vadim@sable.krasnoyarsk.su (Vadim B. Mikheev)
1 parentaac4839 commit5315d37

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1 file changed

+12
-2
lines changed

1 file changed

+12
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‎src/backend/optimizer/util/clauses.c

Lines changed: 12 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -7,7 +7,7 @@
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*
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*
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* IDENTIFICATION
10-
* $Header: /cvsroot/pgsql/src/backend/optimizer/util/clauses.c,v 1.1.1.1 1996/07/09 06:21:38 scrappy Exp $
10+
* $Header: /cvsroot/pgsql/src/backend/optimizer/util/clauses.c,v 1.2 1996/07/25 20:36:46 scrappy Exp $
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*
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* HISTORY
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* AUTHORDATEMAJOR EVENT
@@ -356,11 +356,21 @@ clause_relids_vars(Node *clause, List **relids, List **vars)
356356

357357
foreach (i,clvars) {
358358
Var*var= (Var*)lfirst(i);
359+
List*vi;
359360

360361
if (!intMember(var->varno,varno_list)) {
361362
varno_list=lappendi(varno_list,var->varno);
362-
var_list=lappend(var_list,var);
363363
}
364+
foreach (vi,var_list)
365+
{
366+
Var*in_list= (Var*)lfirst(vi);
367+
368+
if (in_list->varno==var->varno&&
369+
in_list->varattno==var->varattno )
370+
break;
371+
}
372+
if (vi==NIL )
373+
var_list=lappend(var_list,var);
364374
}
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366376
*relids=varno_list;

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