Item tree iterator

fixed dependence of items from reduced subquery
(SCRUM)

1 files changed, 6 insertions, 1 deletions

diff --git a/sql/item_subselect.cc b/sql/item_subselect.cc
index 01cebb5fc60..f29ac3b3c9c 100644
--- a/sql/item_subselect.cc
+++ b/sql/item_subselect.cc
@@ -193,7 +193,12 @@ Item_singlerow_subselect::select_transformer(JOIN *join)
 		   ER_SELECT_REDUCED, warn_buff);
     }
     substitution= select_lex->item_list.head();
-     
+    /*
+      as far as we moved content to upper leven, field which depend of
+      'upper' select is not really dependent => we remove this dependence
+    */
+    substitution->walk(&Item::remove_dependence_processor,
+		       (byte *) select_lex->outer_select());
     if (select_lex->where || select_lex->having)
     {
       Item *cond;