From fde2777b2722a2b81f995c74e74cc3e47c0f8788 Mon Sep 17 00:00:00 2001
From: Igor Babaev <igor@askmonty.org>
Date: Wed, 11 Dec 2013 10:13:08 -0800
Subject: Another attempt to fix the memory leak of mdev-5400.

---
 sql/sql_union.cc | 1 +
 1 file changed, 1 insertion(+)

(limited to 'sql/sql_union.cc')

diff --git a/sql/sql_union.cc b/sql/sql_union.cc
index 5c4a9a8db5f..f82657a837c 100644
--- a/sql/sql_union.cc
+++ b/sql/sql_union.cc
@@ -628,6 +628,7 @@ bool st_select_lex_unit::exec()
     {
       ha_rows records_at_start= 0;
       thd->lex->current_select= sl;
+      fake_select_lex->uncacheable|= sl->uncacheable;
 
       {
         set_limit(sl);
-- 
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