merged

sql/item.cc:
  Auto merged
sql/item.h:
  Auto merged
sql/item_cmpfunc.cc:
  Auto merged
sql/item_cmpfunc.h:
  Auto merged
sql/item_subselect.h:
  Auto merged
sql/sql_derived.cc:
  Auto merged
sql/sql_lex.cc:
  Auto merged
sql/sql_lex.h:
  Auto merged
sql/sql_union.cc:
  Auto merged
sql/sql_yacc.yy:
  Auto merged
sql/table.h:
  Auto merged
mysql-test/r/subselect.result:
  merging (wiil be fixed after building)
sql/item_subselect.cc:
  merging
sql/sql_select.cc:
  merging

1 files changed, 3 insertions, 0 deletions

diff --git a/sql/item_subselect.h b/sql/item_subselect.h
index 3e8dd0e02dc..1efdf23d1fc 100644
--- a/sql/item_subselect.h
+++ b/sql/item_subselect.h
@@ -36,6 +36,8 @@ class Item_subselect :public Item_result_field
   my_bool engine_owner; /* Is this item owner of engine */
   my_bool value_assigned; /* value already assigned to subselect */
 protected:
+  /* thread handler, will be assigned in fix_fields only */
+  THD *thd;
   /* substitution instead of subselect in case of optimization */
   Item *substitution;
   /* engine that perform execution of subselect (single select or union) */
@@ -83,6 +85,7 @@ public:
     return null_value;
   }
   bool fix_fields(THD *thd, TABLE_LIST *tables, Item **ref);
+  bool exec();
   virtual void fix_length_and_dec();
   table_map used_tables() const;
   void print(String *str)