diff --git a/src/backend/commands/tablecmds.c b/src/backend/commands/tablecmds.c index e22b48aef295beb590a7e64b0a0a75a5cc2373eb..b4576893c660626757bdaf5528152761dc97da69 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 1.70 2003/03/21 15:43:02 momjian Exp $ + * $Header: /cvsroot/pgsql/src/backend/commands/tablecmds.c,v 1.71 2003/04/21 15:19:55 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -591,9 +591,10 @@ 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++)