From c9208300b46d7bed95a2be4f19ee51b60fb2c6ba Mon Sep 17 00:00:00 2001
From: Igor Babaev <igor@askmonty.org>
Date: Mon, 1 Apr 2013 11:17:18 -0700
Subject: [PATCH] Fixed a valgrind complain on usage of an uninitialized value.
 It popped up because the latest fix to handle properly null ranges was not
 complete.

---
 sql/sql_statistics.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sql/sql_statistics.cc b/sql/sql_statistics.cc
index 736fb3e1f91..6c33b88d9ad 100644
--- a/sql/sql_statistics.cc
+++ b/sql/sql_statistics.cc
@@ -3386,7 +3386,7 @@ double get_column_range_cardinality(Field *field,
     {
       double sel, min_mp_pos, max_mp_pos;
 
-      if (min_endp)
+      if (min_endp && !min_endp->key[0])
       {
         store_key_image_to_rec(field, (uchar *) min_endp->key,
                                min_endp->length);