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Fixed ya main.flush_read_lock sporadic failure

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Use different signal names, so that subsequent WAIT_FOR is not awaken by
previous signal.
This commit is contained in:
Sergey Vojtovich
2019-05-14 23:47:12 +04:00
parent 29a0f5acf3
commit 30ddf96113
2 changed files with 9 additions and 8 deletions
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9
mysql-test/main/flush_read_lock.test
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@ -2106,15 +2106,16 @@ CREATE TABLE mysqltest.t1(a INT);
HANDLER mysqltest.t1 OPEN as t1;
connect (con1,localhost,root,,);
SET DEBUG_SYNC= 'mdl_acquire_lock_wait SIGNAL ready';
SET DEBUG_SYNC= 'mdl_acquire_lock_wait SIGNAL ready1';
--send LOCK TABLE mysqltest.t1 WRITE
connect (con2,localhost,root,,);
SET DEBUG_SYNC= 'now WAIT_FOR ready';
SET DEBUG_SYNC= 'mdl_acquire_lock_wait SIGNAL ready';
SET DEBUG_SYNC= 'now WAIT_FOR ready1';
SET DEBUG_SYNC= 'mdl_acquire_lock_wait SIGNAL ready2';
--send DROP DATABASE mysqltest
connect (con3,localhost,root,,);
SET DEBUG_SYNC= 'now WAIT_FOR ready';
SET DEBUG_SYNC= 'now WAIT_FOR ready2';
connection default;
send FLUSH TABLES WITH READ LOCK;