1 files changed, 7 insertions, 1 deletions
diff --git a/sql/sql_class.h b/sql/sql_class.h
index e42eeacfff0..26123e48aa3 100644
--- a/sql/sql_class.h
+++ b/sql/sql_class.h
@@ -1095,7 +1095,8 @@ enum enum_locked_tables_mode
   LTM_NONE= 0,
   LTM_LOCK_TABLES,
   LTM_PRELOCKED,
-  LTM_PRELOCKED_UNDER_LOCK_TABLES
+  LTM_PRELOCKED_UNDER_LOCK_TABLES,
+  LTM_always_last
 };
 
 
@@ -3671,6 +3672,11 @@ public:
       save_copy_field_end= copy_field_end= NULL;
     }
   }
+  void free_copy_field_data()
+  {
+    for (Copy_field *ptr= copy_field ; ptr != copy_field_end ; ptr++)
+      ptr->tmp.free();
+  }
 };
 
 class select_union :public select_result_interceptor