postreviews fix (SCRUM related)

reordered Item_row class variables to be sorted by memory size


mysql-test/r/subselect.result:
  fix result of subselect test
sql/item.cc:
  postreviews fix
sql/item.h:
  postreviews fix
sql/item_cmpfunc.h:
  postreviews fix
sql/item_row.cc:
  postreviews fix
sql/item_row.h:
  reordered class variables to be sorted by memory size
  postreviews fix
sql/item_strfunc.cc:
  postreviews fix
sql/item_subselect.cc:
  postreviews fix

1 files changed, 10 insertions, 7 deletions

diff --git a/sql/item_row.h b/sql/item_row.h
index 82580797ebc..ccaf68bed64 100644
--- a/sql/item_row.h
+++ b/sql/item_row.h
@@ -16,19 +16,22 @@
 
 class Item_row: public Item
 {
-  bool array_holder;
+  Item **items;
   table_map used_tables_cache;
-  bool const_item_cache;
   uint arg_count;
-  Item **items;
+  bool array_holder;
+  bool const_item_cache;
+  bool with_null;
 public:
   Item_row(List<Item> &);
   Item_row(Item_row *item):
-    Item(), array_holder(0), 
+    Item(),
+    items(item->items),
     used_tables_cache(item->used_tables_cache),
-    const_item_cache(item->const_item_cache),
     arg_count(item->arg_count),
-    items(item->items)
+    array_holder(0), 
+    const_item_cache(item->const_item_cache),
+    with_null(0)
   {}
 
   ~Item_row()
@@ -71,6 +74,6 @@ public:
   Item* el(uint i) { return items[i]; }
   Item** addr(uint i) { return items + i; }
   bool check_cols(uint c);
-  bool null_inside();
+  bool null_inside() { return with_null; };
   void bring_value();
 };