1 files changed, 10 insertions, 7 deletions

diff --git a/sql/item_cmpfunc.h b/sql/item_cmpfunc.h
index ba0af32d76f..6d81c7acc40 100644
--- a/sql/item_cmpfunc.h
+++ b/sql/item_cmpfunc.h
@@ -272,9 +272,11 @@ public:
   virtual void get_cache_parameters(List<Item> &parameters);
   bool is_top_level_item();
   bool eval_not_null_tables(uchar *opt_arg);
-  void fix_after_pullout(st_select_lex *new_parent, Item **ref);
+  void fix_after_pullout(st_select_lex *new_parent, Item **ref, bool merge);
   bool invisible_mode();
   void reset_cache() { cache= NULL; }
+  virtual void print(String *str, enum_query_type query_type);
+  void restore_first_argument();
 };
 
 class Comp_creator
@@ -689,7 +691,7 @@ public:
   virtual void print(String *str, enum_query_type query_type);
   CHARSET_INFO *compare_collation() { return cmp_collation.collation; }
   bool eval_not_null_tables(uchar *opt_arg);
-  void fix_after_pullout(st_select_lex *new_parent, Item **ref);
+  void fix_after_pullout(st_select_lex *new_parent, Item **ref, bool merge);
   bool count_sargable_conds(uchar *arg);
 };
 
@@ -729,6 +731,7 @@ public:
   {
     allowed_arg_cols= 0;    // Fetch this value from first argument
   }
+  bool fix_fields(THD *, Item **);
   longlong val_int();
   void fix_length_and_dec();
   const char *func_name() const { return "interval"; }
@@ -791,7 +794,7 @@ public:
   uint decimal_precision() const;
   const char *func_name() const { return "if"; }
   bool eval_not_null_tables(uchar *opt_arg);
-  void fix_after_pullout(st_select_lex *new_parent, Item **ref);
+  void fix_after_pullout(st_select_lex *new_parent, Item **ref, bool merge);
 private:
   void cache_type_info(Item *source);
 };
@@ -1337,7 +1340,7 @@ public:
   bool nulls_in_row();
   CHARSET_INFO *compare_collation() { return cmp_collation.collation; }
   bool eval_not_null_tables(uchar *opt_arg);
-  void fix_after_pullout(st_select_lex *new_parent, Item **ref);
+  void fix_after_pullout(st_select_lex *new_parent, Item **ref, bool merge);
 };
 
 class cmp_item_row :public cmp_item
@@ -1387,9 +1390,9 @@ public:
   bool arg_is_datetime_notnull_field()
   {
     Item **args= arguments();
-    if (args[0]->type() == Item::FIELD_ITEM)
+    if (args[0]->real_item()->type() == Item::FIELD_ITEM)
     {
-      Field *field=((Item_field*) args[0])->field;
+      Field *field=((Item_field*) args[0]->real_item())->field;
 
       if (((field->type() == MYSQL_TYPE_DATE) ||
           (field->type() == MYSQL_TYPE_DATETIME)) &&
@@ -1729,7 +1732,7 @@ public:
     list.concat(nlist);
   }
   bool fix_fields(THD *, Item **ref);
-  void fix_after_pullout(st_select_lex *new_parent, Item **ref);
+  void fix_after_pullout(st_select_lex *new_parent, Item **ref, bool merge);
 
   enum Type type() const { return COND_ITEM; }
   List<Item>* argument_list() { return &list; }