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

diff --git a/src/backend/commands/analyze.c b/src/backend/commands/analyze.c
index 09862f6d8403dec8e859f3807d179be5699eb284..309d1e331336facfe5affc97ccb6c3a0db1979e7 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 1.52 2003/03/23 05:14:36 tgl Exp $
+ *   $Header: /cvsroot/pgsql/src/backend/commands/analyze.c,v 1.53 2003/04/25 21:29:18 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++)