Fixed bug in <=> NULL handling

f89d91c5 · monty@hundin.mysql.fi · 665554d7 · f89d91c5
Commit f89d91c5 authored Dec 02, 2002 by monty@hundin.mysql.fi
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sql/opt_range.cc sql/opt_range.cc +1 -1

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--- 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));