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MDEV-5363: Make parallel replication waits killable

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Add another test case. This one for killing the SQL driver thread while it is
waiting for room in the list of events queued for a worker thread.

Fix bugs found:

 - Several memory leaks in various error cases.

 - SQL error code was not set (for SHOW SLAVE STATUS etc.) when killed.
This commit is contained in:
unknown
2014-01-03 12:20:53 +01:00
parent 86a2c03b51
commit c4e76b20a4
3 changed files with 126 additions and 0 deletions
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40
mysql-test/suite/rpl/r/rpl_parallel.result
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@@ -630,6 +630,46 @@ SET GLOBAL binlog_format=@old_format;
SET GLOBAL slave_parallel_threads=0;
SET GLOBAL slave_parallel_threads=10;
include/start_slave.inc
*** 5. Test killing thread that is waiting for queue of max length to shorten ***
SET @old_max_queued= @@GLOBAL.slave_parallel_max_queued;
SET GLOBAL slave_parallel_max_queued=9000;
SET binlog_format=statement;
INSERT INTO t3 VALUES (70, foo(0,
'ha_write_row_end SIGNAL query_waiting WAIT_FOR query_cont', ''));
SET debug_sync='now WAIT_FOR query_waiting';
SET @old_dbug= @@GLOBAL.debug_dbug;
SET GLOBAL debug_dbug="+d,rpl_parallel_wait_queue_max";
INSERT INTO t3 VALUES (72, 0);
SELECT * FROM t3 WHERE a >= 70 ORDER BY a;
a b
70 0
71 10000
72 0
SET debug_sync='now WAIT_FOR wait_queue_ready';
KILL THD_ID;
SET debug_sync='now WAIT_FOR wait_queue_killed';
SET debug_sync='now SIGNAL query_cont';
include/wait_for_slave_sql_error.inc [errno=1317,1927,1963]
STOP SLAVE IO_THREAD;
SELECT * FROM t3 WHERE a >= 70 ORDER BY a;
a b
70 0
71 10000
SET GLOBAL debug_dbug=@old_dbug;
SET GLOBAL slave_parallel_max_queued= @old_max_queued;
INSERT INTO t3 VALUES (73,0);
include/start_slave.inc
SELECT * FROM t3 WHERE a >= 70 ORDER BY a;
a b
70 0
71 10000
72 0
73 0
include/stop_slave.inc
SET GLOBAL binlog_format=@old_format;
SET GLOBAL slave_parallel_threads=0;
SET GLOBAL slave_parallel_threads=10;
include/start_slave.inc
include/stop_slave.inc
SET GLOBAL slave_parallel_threads=@old_parallel_threads;
include/start_slave.inc