include/master-slave.inc
[connection master]
SET @old_parallel_threads=@@GLOBAL.slave_parallel_threads;
include/stop_slave.inc
SET GLOBAL slave_parallel_threads=10;
CHANGE MASTER TO master_use_gtid=current_pos;
include/start_slave.inc
*** MDEV-6589: Incorrect relay log start position when restarting SQL thread after error in parallel replication ***
ALTER TABLE mysql.gtid_slave_pos ENGINE=InnoDB;
CREATE TABLE t1 (a int PRIMARY KEY) ENGINE=MyISAM;
CREATE TABLE t2 (a int PRIMARY KEY) ENGINE=InnoDB;
INSERT INTO t1 VALUES (1);
INSERT INTO t2 VALUES (1);
SELECT * FROM t1;
a
1
SELECT * FROM t2;
a
1
SET sql_log_bin=0;
BEGIN;
INSERT INTO t2 VALUES (5);
SET gtid_domain_id=0;
INSERT INTO t1 VALUES (2);
INSERT INTO t2 VALUES (3);
FLUSH LOGS;
INSERT INTO t1 VALUES (4);
SET gtid_domain_id=1;
INSERT INTO t2 VALUES (5);
SET gtid_domain_id=0;
INSERT INTO t1 VALUES (6);
INSERT INTO t1 VALUES (7);
SET gtid_domain_id=2;
INSERT INTO t2 VALUES (8);
INSERT INTO t1 VALUES (9);
FLUSH LOGS;
SET gtid_domain_id=3;
INSERT INTO t2 VALUES (10);
INSERT INTO t1 VALUES (11);
SET gtid_domain_id=1;
INSERT INTO t1 VALUES (12);
INSERT INTO t2 VALUES (13);
SET gtid_domain_id=0;
INSERT INTO t2 VALUES (14);
FLUSH LOGS;
SET gtid_domain_id=3;
INSERT INTO t2 VALUES (15);
SET gtid_domain_id=2;
INSERT INTO t2 VALUES (16);
SET gtid_domain_id=0;
INSERT INTO t1 VALUES (17);
SET @gtid0 = @@last_gtid;
SET gtid_domain_id=2;
INSERT INTO t1 VALUES (18);
SET @gtid2 = @@last_gtid;
SET gtid_domain_id=3;
INSERT INTO t1 VALUES (19);
SET @gtid3 = @@last_gtid;
SELECT * FROM t1 ORDER BY a;
a
1
2
4
6
7
9
11
12
17
18
19
SELECT * FROM t2 ORDER BY a;
a
1
3
5
8
10
13
14
15
16
include/save_master_gtid.inc
SELECT MASTER_GTID_WAIT('WAIT_POS');
MASTER_GTID_WAIT('WAIT_POS')
0
COMMIT;
SET sql_log_bin=1;
include/wait_for_slave_sql_error.inc [errno=1062]
SELECT * FROM t1 ORDER BY a;
a
1
2
4
6
7
9
11
17
18
19
SELECT * FROM t2 ORDER BY a;
a
1
3
5
8
10
14
15
16
SET sql_log_bin=0;
DELETE FROM t2 WHERE a=5;
SET sql_log_bin=1;
include/start_slave.inc
include/sync_with_master_gtid.inc
SELECT * FROM t1 ORDER BY a;
a
1
2
4
6
7
9
11
12
17
18
19
SELECT * FROM t2 ORDER BY a;
a
1
3
5
8
10
13
14
15
16
include/stop_slave.inc
SET GLOBAL slave_parallel_threads=@old_parallel_threads;
include/start_slave.inc
SET DEBUG_SYNC= 'RESET';
DROP TABLE t1,t2;
SET DEBUG_SYNC= 'RESET';
include/rpl_end.inc
