From 0fbfdf55f82cec91bd3cd1ba136e29f85f359a1a Mon Sep 17 00:00:00 2001 From: Tom Lane Date: Tue, 26 Dec 2006 19:27:20 +0000 Subject: Repair bug #2839: the various ExecReScan functions need to reset ps_TupFromTlist in plan nodes that make use of it. This was being done correctly in join nodes and Result nodes but not in any relation-scan nodes. Bug would lead to bogus results if a set-returning function appeared in the targetlist of a subquery that could be rescanned after partial execution, for example a subquery within EXISTS(). Bug has been around forever :-( ... surprising it wasn't reported before. --- src/backend/executor/nodeResult.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'src/backend/executor/nodeResult.c') diff --git a/src/backend/executor/nodeResult.c b/src/backend/executor/nodeResult.c index 361d5d23a07..5b01171e76e 100644 --- a/src/backend/executor/nodeResult.c +++ b/src/backend/executor/nodeResult.c @@ -34,7 +34,7 @@ * Portions Copyright (c) 1994, Regents of the University of California * * IDENTIFICATION - * $Header: /cvsroot/pgsql/src/backend/executor/nodeResult.c,v 1.26 2003/08/04 02:39:59 momjian Exp $ + * $Header: /cvsroot/pgsql/src/backend/executor/nodeResult.c,v 1.26.4.1 2006/12/26 19:27:20 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -194,6 +194,8 @@ ExecInitResult(Result *node, EState *estate) */ ExecAssignExprContext(estate, &resstate->ps); + resstate->ps.ps_TupFromTlist = false; + #define RESULT_NSLOTS 1 /* -- cgit v1.2.3