Merge sunlight.local:/local_work/27216-bug-5.0-opt-mysql

into  sunlight.local:/local_work/merge-5.1-opt-mysql

1 files changed, 6 insertions, 1 deletions

diff --git a/sql/item_cmpfunc.h b/sql/item_cmpfunc.h
index 40d0c2dfe91..1a64f9c4211 100644
--- a/sql/item_cmpfunc.h
+++ b/sql/item_cmpfunc.h
@@ -640,6 +640,7 @@ public:
 class Item_func_coalesce :public Item_func_numhybrid
 {
 protected:
+  enum_field_types cached_field_type;
   Item_func_coalesce(Item *a, Item *b) :Item_func_numhybrid(a, b) {}
 public:
   Item_func_coalesce(List<Item> &list) :Item_func_numhybrid(list) {}
@@ -652,13 +653,13 @@ public:
   enum Item_result result_type () const { return hybrid_type; }
   const char *func_name() const { return "coalesce"; }
   table_map not_null_tables() const { return 0; }
+  enum_field_types field_type() const { return cached_field_type; }
 };
 
 
 class Item_func_ifnull :public Item_func_coalesce
 {
 protected:
-  enum_field_types cached_field_type;
   bool field_type_defined;
 public:
   Item_func_ifnull(Item *a, Item *b) :Item_func_coalesce(a,b) {}
@@ -677,6 +678,7 @@ public:
 class Item_func_if :public Item_func
 {
   enum Item_result cached_result_type;
+  enum_field_types cached_field_type;
 public:
   Item_func_if(Item *a,Item *b,Item *c)
     :Item_func(a,b,c), cached_result_type(INT_RESULT)
@@ -686,6 +688,7 @@ public:
   String *val_str(String *str);
   my_decimal *val_decimal(my_decimal *);
   enum Item_result result_type () const { return cached_result_type; }
+  enum_field_types field_type() const { return cached_field_type; }
   bool fix_fields(THD *, Item **);
   void fix_length_and_dec();
   uint decimal_precision() const;
@@ -713,6 +716,7 @@ public:
   bool is_null();
 };
 
+
 /* Functions to handle the optimized IN */
 
 
@@ -1442,6 +1446,7 @@ public:
   Item *transform(Item_transformer transformer, uchar *arg);
   void traverse_cond(Cond_traverser, void *arg, traverse_order order);
   void neg_arguments(THD *thd);
+  enum_field_types field_type() const { return MYSQL_TYPE_LONGLONG; }
   bool subst_argument_checker(uchar **arg) { return TRUE; }
   Item *compile(Item_analyzer analyzer, uchar **arg_p,
                 Item_transformer transformer, uchar *arg_t);