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Patch for Bug#11765684 (58674: SP-cache does not detect changes in

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pre-locking list caused by triggers).

The thing is that CREATE TRIGGER / DROP TRIGGER may actually
change pre-locking list of (some) stored routines.

The SP-cache does not detect such changes. Thus if sp_head-instance
is cached in SP-cache, subsequent executions of the cached
sp_head will use inaccurate pre-locking list.

The patch is to invalidate SP-cache on CREATE TRIGGER / DROP TRIGGER.
This commit is contained in:
Alexander Nozdrin 2011-03-10 11:07:57 +03:00
commit 5653a71d3e
5 changed files with 78 additions and 5 deletions
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4
mysql-test/t/trigger.test
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@ -998,10 +998,6 @@ call p1();
drop trigger t1_bi;
create trigger t1_bi after insert on t1 for each row insert into t3 values (new.id);
execute stmt1;
# Until we implement proper mechanism for invalidation of SP statements
# invoked whenever a table used in SP changes, this statement will fail with
# 'Table ... does not exist' error.
--error ER_NO_SUCH_TABLE
call p1();
deallocate prepare stmt1;
drop procedure p1;