From cb8a39e78c0ad08c23a7f1c3148ce74f506bcaf0 Mon Sep 17 00:00:00 2001
From: Gleb Shchepa <gshchepa@mysql.com>
Date: Thu, 18 Sep 2008 17:24:09 +0500
Subject: [PATCH] Post-push fix for bug #26020: User-Defined Variables are not
 consistence with columns data types.

--ps-protocol problem has been fixed.
---
 sql/item_func.cc | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/sql/item_func.cc b/sql/item_func.cc
index c1caf4039ed..d7e6fc1f8f2 100644
--- a/sql/item_func.cc
+++ b/sql/item_func.cc
@@ -3809,7 +3809,7 @@ static user_var_entry *get_variable(HASH *hash, LEX_STRING &name,
 bool Item_func_set_user_var::set_entry(THD *thd, bool create_if_not_exists)
 {
   if (thd == entry_thd && entry)
-    return FALSE;
+    goto end; // update entry->update_query_id for PS
   entry_thd= thd;
   if (!(entry= get_variable(&thd->user_vars, name, create_if_not_exists)))
     return TRUE;
@@ -3818,6 +3818,7 @@ bool Item_func_set_user_var::set_entry(THD *thd, bool create_if_not_exists)
      if this variable is a constant item in the query (it is if update_query_id
      is different from query_id).
   */
+end:
   entry->update_query_id= thd->query_id;
   return FALSE;
 }