From 04f5c46d5dd9911811bce2683b90e2acc711f94e Mon Sep 17 00:00:00 2001
From: "evgen@moonbone.local" <>
Date: Sat, 10 Mar 2007 00:29:02 +0300
Subject: Bug#22331: Wrong WHERE in EXPLAIN EXTENDED when all expressions were
 optimized away.

Additional fix for bug#22331. Now Item_field prints its value in the case of
the const field.
---
 sql/sql_union.cc | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'sql/sql_union.cc')

diff --git a/sql/sql_union.cc b/sql/sql_union.cc
index 16df0059217..1ec724a6338 100644
--- a/sql/sql_union.cc
+++ b/sql/sql_union.cc
@@ -621,6 +621,12 @@ bool st_select_lex_unit::cleanup()
       join->tables= 0;
     }
     error|= fake_select_lex->cleanup();
+    if (fake_select_lex->order_list.elements)
+    {
+      ORDER *ord;
+      for (ord= (ORDER*)fake_select_lex->order_list.first; ord; ord= ord->next)
+        (*ord->item)->cleanup();
+    }
   }
 
   DBUG_RETURN(error);
-- 
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