From ae45e93aaf9cc1257d46e47631c7ef7feb202702 Mon Sep 17 00:00:00 2001
From: Tatsuo Ishii <ishii@sraoss.co.jp>
Date: Sun, 7 Jul 2019 08:08:25 +0900
Subject: [PATCH] Fix off-by-one error in query cache module.

When debug print is enabled, it might had tried to access out of bound
of oid array.
---
 src/query_cache/pool_memqcache.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/query_cache/pool_memqcache.c b/src/query_cache/pool_memqcache.c
index 2055246a5..3eaa72308 100644
--- a/src/query_cache/pool_memqcache.c
+++ b/src/query_cache/pool_memqcache.c
@@ -1032,7 +1032,7 @@ int pool_extract_table_oids(Node *node, int **oidsp)
 		 */
 		foreach(cell, stmt->objects)
 		{
-			if (num_oids > POOL_MAX_DML_OIDS)
+			if (num_oids >= POOL_MAX_DML_OIDS)
 			{
 				ereport(LOG,
 						(errmsg("memcache: error while extracting table oids. too many oids:%d", num_oids)));
-- 
2.39.5