patch required for Q4M on MySQL 5.6.10, to support: SELECT * FROM t WHERE queue_wait('t')

gistfile1.cpp

--- sql/item_func.h.orig   2013-02-20 18:07:38.000000000 +0900
+++ sql/item_func.h	2013-02-20 19:04:55.000000000 +0900
@@ -1358,7 +1358,6 @@
   void cleanup();
   Item_result result_type () const { return udf.result_type(); }
   table_map not_null_tables() const { return 0; }
-  bool is_expensive() { return 1; }
   virtual void print(String *str, enum_query_type query_type);
 };