Fix for Bug #9913 "udf_deinit is not called after execution of PS"

(aka "deinit is not called when calling udf from trigger").

We should call udf_deinit() function during cleanup phase after prepared
(or ordinary) statement execution instead of calling it from Item's
desctructor.

No test case is provided since it is hard to test UDF's from our test
suite.

1 files changed, 1 insertions, 0 deletions

diff --git a/sql/item_sum.h b/sql/item_sum.h
index dab136e4716..040d9395e3a 100644
--- a/sql/item_sum.h
+++ b/sql/item_sum.h
@@ -550,6 +550,7 @@ public:
   bool add();
   void reset_field() {};
   void update_field() {};
+  void cleanup();
 };