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r6884 | vdimov | 2010-03-26 13:05:03 +0200 (Fri, 26 Mar 2010) | 6 lines
branches/5.1:

Fix a non-determinism in innodb_bug38231.

Reported by:	Sergey Vojtovich <svoj@Sun.COM>

r6884 | vdimov | 2010-03-26 13:05:03 +0200 (Fri, 26 Mar 2010) | 6 lines
branches/5.1:

Fix a non-determinism in innodb_bug38231.

Reported by:	Sergey Vojtovich <svoj@Sun.COM>
This commit is contained in:
Sergey Vojtovich 2010-03-26 15:20:11 +04:00
parent 8d0b9a8d9d
commit 8620be47e5
1 changed files with 15 additions and 0 deletions
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15
mysql-test/t/innodb_bug38231.test
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@ -27,6 +27,21 @@ SET autocommit=0;
-- send
LOCK TABLE bug38231 WRITE;
# When con1 does UNLOCK below this will release either con2 or con3 which are
# both waiting on LOCK. At the end we must first --reap and UNLOCK the
# connection that has been released, otherwise it will wait forever. We assume
# that the released connection will be the first one that has gained the LOCK,
# thus we force the order here - con2 does LOCK first, then con3. In other
# words we wait for LOCK from con2 above to be exected before doing LOCK in
# con3.
-- connection con1
let $wait_condition =
SELECT COUNT(*) = 1 FROM information_schema.processlist
WHERE info = 'LOCK TABLE bug38231 WRITE';
-- source include/wait_condition.inc
# the above enables query log, re-disable it
-- disable_query_log
-- connection con3
SET autocommit=0;
-- send