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Make WHERE conditions pulled up from subqueries be executed before outer 

WHERE conditions, if there is no reason to do it differently.
This commit is contained in:
Tom Lane 2002-06-13 15:10:25 +00:00
parent b1ac89f594
commit f67a931aa4
1 changed files with 2 additions and 2 deletions
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4
src/backend/optimizer/plan/planner.c
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@ -8,7 +8,7 @@
* *
* *
* IDENTIFICATION * IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/optimizer/plan/planner.c,v 1.119 2002/05/18 18:49:41 tgl Exp $ * $Header: /cvsroot/pgsql/src/backend/optimizer/plan/planner.c,v 1.120 2002/06/13 15:10:25 tgl Exp $
* *
*------------------------------------------------------------------------- *-------------------------------------------------------------------------
*/ */
@ -656,7 +656,7 @@ preprocess_jointree(Query *parse, Node *jtnode)
if (childlen <= 1 || (childlen + myothers) <= geqo_rels / 2) if (childlen <= 1 || (childlen + myothers) <= geqo_rels / 2)
{ {
newlist = nconc(newlist, subf->fromlist); newlist = nconc(newlist, subf->fromlist);
f->quals = make_and_qual(f->quals, subf->quals); f->quals = make_and_qual(subf->quals, f->quals);
} }
else else
newlist = lappend(newlist, child); newlist = lappend(newlist, child);