From c14066aa7049bac14cadc18d0c48bcf6ea81ff52 Mon Sep 17 00:00:00 2001 From: Tom Lane Date: Tue, 31 Jul 2007 19:54:27 +0000 Subject: Fix a bug in the original implementation of redundant-join-clause removal: clauses in which one side or the other references both sides of the join cannot be removed as redundant, because that expression won't have been constrained below the join. Per report from Sergey Burladyan. --- src/backend/optimizer/util/relnode.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) (limited to 'src/backend/optimizer/util/relnode.c') diff --git a/src/backend/optimizer/util/relnode.c b/src/backend/optimizer/util/relnode.c index ea15e20f2ba..6ad2e82319b 100644 --- a/src/backend/optimizer/util/relnode.c +++ b/src/backend/optimizer/util/relnode.c @@ -8,7 +8,7 @@ * * * IDENTIFICATION - * $Header: /cvsroot/pgsql/src/backend/optimizer/util/relnode.c,v 1.52.4.1 2003/12/08 18:20:10 tgl Exp $ + * $Header: /cvsroot/pgsql/src/backend/optimizer/util/relnode.c,v 1.52.4.2 2007/07/31 19:54:27 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -466,7 +466,10 @@ build_joinrel_restrictlist(Query *root, * previous clauses (see optimizer/README for discussion). We detect * that case and omit the redundant clause from the result list. */ - result = remove_redundant_join_clauses(root, rlist, jointype); + result = remove_redundant_join_clauses(root, rlist, + outer_rel->relids, + inner_rel->relids, + jointype); freeList(rlist); -- cgit v1.2.3