1 files changed, 4 insertions, 0 deletions
diff --git a/sql/item_cmpfunc.h b/sql/item_cmpfunc.h
index 47f9f2aa98f..f2c43833bd9 100644
--- a/sql/item_cmpfunc.h
+++ b/sql/item_cmpfunc.h
@@ -240,6 +240,7 @@ public:
   }
   Item *neg_transformer(THD *thd);
   virtual Item *negated_item();
+  bool subst_argument_checker(byte **arg) { return TRUE; }
 };
 
 class Item_func_not :public Item_bool_func
@@ -1171,6 +1172,9 @@ public:
   Item *transform(Item_transformer transformer, byte *arg);
   void traverse_cond(Cond_traverser, void *arg, traverse_order order);
   void neg_arguments(THD *thd);
+  bool subst_argument_checker(byte **arg) { return TRUE; }
+  Item *compile(Item_analyzer analyzer, byte **arg_p,
+                Item_transformer transformer, byte *arg_t);
 };