From f89d91c53c93146be2f9ead4e09b2d456e38dc1c Mon Sep 17 00:00:00 2001
From: "monty@hundin.mysql.fi" <>
Date: Mon, 2 Dec 2002 10:47:15 +0200
Subject: [PATCH] Fixed bug in <=> NULL handling

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

diff --git a/sql/opt_range.cc b/sql/opt_range.cc
index 0645fe15df3..b2128c3eb4a 100644
--- a/sql/opt_range.cc
+++ b/sql/opt_range.cc
@@ -1030,7 +1030,7 @@ get_mm_leaf(Field *field,KEY_PART *key_part,
     {
       /* convert column_name <=> NULL -> column_name IS NULL */
       char *str= (char*) sql_alloc(1);		// Get local copy of key
-      if (!*str)
+      if (!str)
 	DBUG_RETURN(0);
       *str = 1;
       DBUG_RETURN(new SEL_ARG(field,str,str));