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, 8 insertions, 1 deletions

diff --git a/sql/item_row.cc b/sql/item_row.cc
index 85a81a50256..9d605e05242 100644
--- a/sql/item_row.cc
+++ b/sql/item_row.cc
@@ -41,7 +41,7 @@ void Item_row::illegal_method_call(const char *method)
   DBUG_ENTER("Item_row::illegal_method_call");
   DBUG_PRINT("error", ("!!! %s method was called for row item", method));
   DBUG_ASSERT(0);
-  my_error(ER_CARDINALITY_COL, MYF(0), arg_count);
+  my_error(ER_CARDINALITY_COL, MYF(0), 1);
   DBUG_VOID_RETURN;
 }
 
@@ -100,3 +100,10 @@ bool Item_row::null_inside()
   }
   return 0;
 }
+
+void Item_row::bring_value()
+{
+  for (uint i= 0; i < arg_count; i++)
+    items[i]->bring_value();
+  return;
+}