Make [VACUUM] ANALYZE safe on zero-column tables.

diff --git a/src/backend/commands/analyze.c b/src/backend/commands/analyze.c
index 4c06a28621a93c64ba5ce77c02a87bcd52235876..3bf813a719868a32362798cefb63d10778c6244a 100644 (file)
--- a/src/backend/commands/analyze.c
+++ b/src/backend/commands/analyze.c
@@ -8,7 +8,7 @@
  *
  *
  * IDENTIFICATION
- *       $Header: /cvsroot/pgsql/src/backend/commands/analyze.c,v 1.47 2002/09/23 20:43:40 tgl Exp $
+ *       $Header: /cvsroot/pgsql/src/backend/commands/analyze.c,v 1.47.2.1 2003/04/25 21:29:22 tgl Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -269,7 +269,8 @@ analyze_rel(Oid relid, VacuumStmt *vacstmt)
        else
        {
                attr_cnt = onerel->rd_att->natts;
-               vacattrstats = (VacAttrStats **) palloc(attr_cnt *
+               /* +1 here is just to avoid palloc(0) with zero-column table */
+               vacattrstats = (VacAttrStats **) palloc((attr_cnt + 1) *
                                                                                                sizeof(VacAttrStats *));
                tcnt = 0;
                for (i = 1; i <= attr_cnt; i++)