1 files changed, 21 insertions, 0 deletions
diff --git a/sql/item_func.h b/sql/item_func.h
index 23cdf7082cf..648ca6d0743 100644
--- a/sql/item_func.h
+++ b/sql/item_func.h
@@ -181,6 +181,27 @@ public:
   void fix_length_and_dec() { decimals=0; max_length=21; }
 };
 
+class Item_func_signed :public Item_int_func
+{
+public:
+  Item_func_signed(Item *a) :Item_int_func(a) {}
+  double val() { return args[0]->val(); }
+  longlong val_int() { return args[0]->val_int(); }
+  void fix_length_and_dec()
+  { decimals=0; max_length=args[0]->max_length; unsigned_flag=0; }
+};
+
+class Item_func_unsigned :public Item_int_func
+{
+public:
+  Item_func_unsigned(Item *a) :Item_int_func(a) {}
+  double val() { return args[0]->val(); }
+  longlong val_int() { return args[0]->val_int(); }
+  void fix_length_and_dec()
+  { decimals=0; max_length=args[0]->max_length; unsigned_flag=1; }
+};
+
+
 class Item_func_plus :public Item_num_op
 {
 public: