From a72fd0d60ea527a225972c481c7dd02f75dac653 Mon Sep 17 00:00:00 2001 From: Tom Lane Date: Mon, 21 Apr 2003 15:20:02 +0000 Subject: [PATCH] Prevent palloc(0) error when parent table has zero columns. --- src/backend/commands/tablecmds.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/src/backend/commands/tablecmds.c b/src/backend/commands/tablecmds.c index 46d9b70939..2823355faf 100644 --- a/src/backend/commands/tablecmds.c +++ b/src/backend/commands/tablecmds.c @@ -8,7 +8,7 @@ * * * IDENTIFICATION - * $Header: /cvsroot/pgsql/src/backend/commands/tablecmds.c,v 1.51.2.1 2002/12/16 18:39:56 tgl Exp $ + * $Header: /cvsroot/pgsql/src/backend/commands/tablecmds.c,v 1.51.2.2 2003/04/21 15:20:02 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -576,9 +576,10 @@ MergeAttributes(List *schema, List *supers, bool istemp, * newattno[] will contain the child-table attribute numbers for * the attributes of this parent table. (They are not the same * for parents after the first one, nor if we have dropped - * columns.) + * columns.) +1 is to prevent error if parent has zero columns. */ - newattno = (AttrNumber *) palloc(tupleDesc->natts * sizeof(AttrNumber)); + newattno = (AttrNumber *) + palloc((tupleDesc->natts + 1) * sizeof(AttrNumber)); for (parent_attno = 1; parent_attno <= tupleDesc->natts; parent_attno++) -- 2.50.0