mirrors/postgres
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Make WHERE conditions pulled up from subqueries be executed before outer

Browse Source 
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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
src/backend/optimizer/plan/planner.c
View File

@ -8,7 +8,7 @@
*
*
* 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)
{
newlist = nconc(newlist, subf->fromlist);
f->quals = make_and_qual(f->quals, subf->quals);
f->quals = make_and_qual(subf->quals, f->quals);
}
else
newlist = lappend(newlist, child);