From 1310ac258c773ab9d41650b509098dd01cb4ecf3 Mon Sep 17 00:00:00 2001
From: Robert Haas <rhaas@postgresql.org>
Date: Sat, 28 Oct 2017 11:10:21 +0200
Subject: [PATCH] Fix misplaced ReleaseSysCache call in
 get_default_partition_oid.

Julien Rouhaud

Discussion: http://postgr.es/m/CAOBaU_Y4omLA+VbsVdA-JwBLoJWiPxfdKCkMjrZM7NMZxa1fKw@mail.gmail.com
---
 src/backend/catalog/partition.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/backend/catalog/partition.c b/src/backend/catalog/partition.c
index 07fdf66c38..66ec214e02 100644
--- a/src/backend/catalog/partition.c
+++ b/src/backend/catalog/partition.c
@@ -2831,9 +2831,9 @@ get_default_partition_oid(Oid parentId)
 
 		part_table_form = (Form_pg_partitioned_table) GETSTRUCT(tuple);
 		defaultPartId = part_table_form->partdefid;
+		ReleaseSysCache(tuple);
 	}
 
-	ReleaseSysCache(tuple);
 	return defaultPartId;
 }