From 07099b70210210c16b362eede7fa82940662e87f Mon Sep 17 00:00:00 2001
From: unknown <sanja@montyprogram.com>
Date: Thu, 18 Jul 2013 11:16:18 +0300
Subject: [PATCH] Fix of using uninitialized variadle.

---
 sql/sql_select.cc | 2 ++
 sql/sql_union.cc  | 2 +-
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/sql/sql_select.cc b/sql/sql_select.cc
index 03d83cebeac..f90874ff62c 100644
--- a/sql/sql_select.cc
+++ b/sql/sql_select.cc
@@ -15674,6 +15674,8 @@ create_internal_tmp_table_from_heap2(THD *thd, TABLE *table,
   const char *save_proc_info;
   int write_err= 0;
   DBUG_ENTER("create_internal_tmp_table_from_heap2");
+  if (is_duplicate)
+    *is_duplicate= FALSE;
 
   if (table->s->db_type() != heap_hton || 
       error != HA_ERR_RECORD_FILE_FULL)
diff --git a/sql/sql_union.cc b/sql/sql_union.cc
index 248296b2bf4..1551a8ff6d6 100644
--- a/sql/sql_union.cc
+++ b/sql/sql_union.cc
@@ -83,7 +83,7 @@ int select_union::send_data(List<Item> &values)
       */
       return -1;
     }
-    bool is_duplicate;
+    bool is_duplicate= FALSE;
     /* create_internal_tmp_table_from_heap will generate error if needed */
     if (table->file->is_fatal_error(write_err, HA_CHECK_DUP) &&
         create_internal_tmp_table_from_heap(thd, table,