From 9fdb1de3ba5805e676f58860c423a50a765458e2 Mon Sep 17 00:00:00 2001
From: Tom Lane <tgl@sss.pgh.pa.us>
Date: Fri, 25 Apr 2003 21:29:18 +0000
Subject: [PATCH] Make [VACUUM] ANALYZE safe on zero-column tables.
---
src/backend/commands/analyze.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/src/backend/commands/analyze.c b/src/backend/commands/analyze.c
index 09862f6d840..309d1e33133 100644
--- 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++)
--
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