Merge mashka.mysql.fi:/home/my/mysql-4.0

into mashka.mysql.fi:/home/my/mysql-4.1

1 files changed, 2 insertions, 12 deletions

diff --git a/sql/opt_range.cc b/sql/opt_range.cc
index 879c75eb2e2..9c546c99057 100644
--- a/sql/opt_range.cc
+++ b/sql/opt_range.cc
@@ -501,10 +501,11 @@ SEL_ARG *SEL_ARG::last()
   return next_arg;
 }
 
+
 /*
   Check if a compare is ok, when one takes ranges in account
   Returns -2 or 2 if the ranges where 'joined' like  < 2 and >= 2
- */
+*/
 
 static int sel_cmp(Field *field, char *a,char *b,uint8 a_flag,uint8 b_flag)
 {
@@ -1020,17 +1021,6 @@ get_mm_leaf(PARAM *param, Field *field, KEY_PART *key_part,
   if (value->save_in_field(field, 1) > 0)
   {
     /* This happens when we try to insert a NULL field in a not null column */
-    // TODO; Check if we can we remove the following block.
-    if (type == Item_func::EQUAL_FUNC)
-    {
-      /* convert column_name <=> NULL -> column_name IS NULL */
-      // Get local copy of key
-      char *str= (char*) alloc_root(param->mem_root,1);
-      if (!str)
-	DBUG_RETURN(0);
-      *str= 1;
-      DBUG_RETURN(new SEL_ARG(field,str,str));
-    }
     DBUG_RETURN(&null_element);			// cmp with NULL is never true
   }
   // Get local copy of key