row IN subselects (SCRUM)

mysql-test/r/subselect.result:
  test of row IN subslect
mysql-test/t/subselect.test:
  test of row IN subslect
sql/item.cc:
  New helper Item - reference on item list by number
  cache item for row
sql/item.h:
  layout fixed 
  New helper Item - reference on item list by number
  cache item for row
sql/item_cmpfunc.cc:
  changed Item_in_optimizer to be able work with row
sql/item_cmpfunc.h:
  changed Item_in_optimizer to be able work with row
sql/item_row.cc:
  Fixed row Item to be compatible with row subselect
sql/item_row.h:
  Fixed row Item to be compatible with row subselect
sql/item_subselect.cc:
  changed name of class to corerectly reflex its function
  row IN subselect
sql/item_subselect.h:
  changed name of class to corerectly reflex its function
  row IN subselect
sql/sql_class.cc:
  changed name of class to corerectly reflex its function
sql/sql_class.h:
  changed name of class to corerectly reflex its function
sql/sql_yacc.yy:
  changed name of class to corerectly reflex its function

1 files changed, 1 insertions, 0 deletions

diff --git a/sql/item_row.h b/sql/item_row.h
index 4767d19d08f..cf67567c3ed 100644
--- a/sql/item_row.h
+++ b/sql/item_row.h
@@ -70,4 +70,5 @@ public:
   Item** addr(uint i) { return items + i; }
   bool check_cols(uint c);
   bool null_inside();
+  void bring_value();
 };