From: Tom Lane <tgl@sss.pgh.pa.us>
Date: Fri, 7 Feb 2003 00:02:43 +0000 (+0000)
Subject: Avoid generating relid lists with duplicate entries.  Fixes bugs
X-Git-Tag: REL7_3_3~96
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c228ef15874075bd70d326771ca651aced603770;p=thirdparty%2Fpostgresql.git

Avoid generating relid lists with duplicate entries.  Fixes bugs
reported by Stefanos Harhalakis 2/2/2003.
---

diff --git a/src/backend/optimizer/plan/initsplan.c b/src/backend/optimizer/plan/initsplan.c
index e06282c1265..60269e62fc1 100644
--- a/src/backend/optimizer/plan/initsplan.c
+++ b/src/backend/optimizer/plan/initsplan.c
@@ -8,7 +8,7 @@
  *
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/backend/optimizer/plan/initsplan.c,v 1.75 2002/09/04 20:31:21 momjian Exp $
+ *	  $Header: /cvsroot/pgsql/src/backend/optimizer/plan/initsplan.c,v 1.75.2.1 2003/02/07 00:02:43 tgl Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -443,7 +443,8 @@ distribute_qual_to_rels(Query *root, Node *clause,
 			else
 			{
 				/* this relid is for a true baserel */
-				newrelids = lappendi(newrelids, lfirsti(relid));
+				if (!intMember(lfirsti(relid), newrelids))
+					newrelids = lappendi(newrelids, lfirsti(relid));
 			}
 		}
 		relids = newrelids;