independent ALL/ANY subselect on top of WHERE clause (subselect without GROUP BY or aggregate functions) optimisation

(SCRUM) (WL#1086)

1 files changed, 10 insertions, 0 deletions

diff --git a/sql/item_cmpfunc.h b/sql/item_cmpfunc.h
index 44e1cf99511..ea652353828 100644
--- a/sql/item_cmpfunc.h
+++ b/sql/item_cmpfunc.h
@@ -155,6 +155,16 @@ public:
   const char *func_name() const { return "not"; }
 };
 
+class Item_func_not_all :public Item_func_not
+{
+  bool abort_on_null;
+public:
+  Item_func_not_all(Item *a) :Item_func_not(a), abort_on_null(0) {}
+  virtual void top_level_item() { abort_on_null= 1; }
+  bool top_level() { return abort_on_null; }
+  longlong val_int();
+};
+
 class Item_func_eq :public Item_bool_rowready_func2
 {
 public: