Item tree iterator

fixed dependence of items from reduced subquery
(SCRUM)


sql/item.cc:
  fixed dependence of items from reduced subquery
sql/item.h:
  fixed dependence of items from reduced subquery
  Item tree iterator
sql/item_cmpfunc.cc:
  Item tree iterator
sql/item_cmpfunc.h:
  Item tree iterator
sql/item_func.cc:
  Item tree iterator
sql/item_func.h:
  Item tree iterator
sql/item_row.cc:
  Item tree iterator
sql/item_row.h:
  Item tree iterator
sql/item_strfunc.h:
  Item tree iterator
sql/item_subselect.cc:
  Item tree iterator

1 files changed, 2 insertions, 0 deletions

diff --git a/sql/item_row.h b/sql/item_row.h
index 867225ae953..6dd955ed426 100644
--- a/sql/item_row.h
+++ b/sql/item_row.h
@@ -69,6 +69,8 @@ public:
   enum Item_result result_type() const { return ROW_RESULT; }
   void update_used_tables();
 
+  bool walk(Item_processor processor, byte *arg);
+
   uint cols() { return arg_count; }
   Item* el(uint i) { return items[i]; }
   Item** addr(uint i) { return items + i; }