*** Test killing slave threads at various wait points ***
include/master-slave.inc
[connection master]
connection server_2;
SET @old_parallel_threads=@@GLOBAL.slave_parallel_threads;
SET @old_parallel_mode=@@GLOBAL.slave_parallel_mode;
include/stop_slave.inc
SET GLOBAL slave_parallel_threads=10;
SET GLOBAL slave_parallel_mode='conservative';
CHANGE MASTER TO master_use_gtid=slave_pos;
include/start_slave.inc
connection server_1;
connect  con_temp3,127.0.0.1,root,,test,$SERVER_MYPORT_1,;
connect  con_temp4,127.0.0.1,root,,test,$SERVER_MYPORT_1,;
connect  con_temp5,127.0.0.1,root,,test,$SERVER_MYPORT_1,;
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;
CREATE TABLE t3 (a INT PRIMARY KEY, b INT) ENGINE=InnoDB;
INSERT INTO t2 VALUES(100);
INSERT INTO t3 VALUES(100, 100);
connection server_2;
connection server_1;
SET sql_log_bin=0;
CREATE FUNCTION foo(x INT, d1 VARCHAR(500), d2 VARCHAR(500))
RETURNS INT DETERMINISTIC
BEGIN
RETURN x;
END
||
SET sql_log_bin=1;
connection server_2;
SET sql_log_bin=0;
CREATE FUNCTION foo(x INT, d1 VARCHAR(500), d2 VARCHAR(500))
RETURNS INT DETERMINISTIC
BEGIN
IF d1 != '' THEN
SET debug_sync = d1;
END IF;
IF d2 != '' THEN
SET debug_sync = d2;
END IF;
RETURN x;
END
||
SET sql_log_bin=1;
*** 1. Test killing transaction waiting in commit for previous transaction to commit ***
connection con_temp3;
SET debug_sync='commit_after_release_LOCK_prepare_ordered SIGNAL master_queued1 WAIT_FOR master_cont1';
INSERT INTO t3 VALUES (31, foo(31,
'commit_before_prepare_ordered WAIT_FOR t2_waiting',
'commit_after_prepare_ordered SIGNAL t1_ready WAIT_FOR t1_cont'));
connection server_1;
SET debug_sync='now WAIT_FOR master_queued1';
connection con_temp4;
SET debug_sync='commit_after_release_LOCK_prepare_ordered SIGNAL master_queued2';
BEGIN;
INSERT INTO t3 VALUES (32, foo(32,
'ha_write_row_end SIGNAL t2_query WAIT_FOR t2_cont',
''));
INSERT INTO t3 VALUES (33, foo(33,
'group_commit_waiting_for_prior SIGNAL t2_waiting',
'group_commit_waiting_for_prior_killed SIGNAL t2_killed'));
COMMIT;
connection server_1;
SET debug_sync='now WAIT_FOR master_queued2';
connection con_temp5;
SET debug_sync='commit_after_release_LOCK_prepare_ordered SIGNAL master_queued3';
INSERT INTO t3 VALUES (34, foo(34,
'',
''));
connection server_1;
SET debug_sync='now WAIT_FOR master_queued3';
SET debug_sync='now SIGNAL master_cont1';
connection con_temp3;
connection con_temp4;
connection con_temp5;
connection server_1;
SELECT * FROM t3 WHERE a >= 30 ORDER BY a;
a	b
31	31
32	32
33	33
34	34
100	100
SET debug_sync='RESET';
connection server_2;
SET sql_log_bin=0;
CALL mtr.add_suppression("Query execution was interrupted");
CALL mtr.add_suppression("Commit failed due to failure of an earlier commit on which this one depends");
CALL mtr.add_suppression("Slave: Connection was killed");
SET sql_log_bin=1;
SET debug_sync='now WAIT_FOR t2_query';
SET debug_sync='now SIGNAL t2_cont';
SET debug_sync='now WAIT_FOR t1_ready';
KILL THD_ID;
SET debug_sync='now WAIT_FOR t2_killed';
SET debug_sync='now SIGNAL t1_cont';
include/wait_for_slave_sql_error.inc [errno=1317,1927,1964]
STOP SLAVE IO_THREAD;
SELECT * FROM t3 WHERE a >= 30 ORDER BY a;
a	b
31	31
100	100
SET debug_sync='RESET';
SET GLOBAL slave_parallel_threads=0;
SET GLOBAL slave_parallel_threads=10;
SET sql_log_bin=0;
DROP FUNCTION foo;
CREATE FUNCTION foo(x INT, d1 VARCHAR(500), d2 VARCHAR(500))
RETURNS INT DETERMINISTIC
BEGIN
RETURN x;
END
||
SET sql_log_bin=1;
connection server_1;
INSERT INTO t3 VALUES (39,0);
connection server_2;
include/start_slave.inc
SELECT * FROM t3 WHERE a >= 30 ORDER BY a;
a	b
31	31
32	32
33	33
34	34
39	0
100	100
SET sql_log_bin=0;
DROP FUNCTION foo;
CREATE FUNCTION foo(x INT, d1 VARCHAR(500), d2 VARCHAR(500))
RETURNS INT DETERMINISTIC
BEGIN
IF d1 != '' THEN
SET debug_sync = d1;
END IF;
IF d2 != '' THEN
SET debug_sync = d2;
END IF;
RETURN x;
END
||
SET sql_log_bin=1;
connection server_2;
include/stop_slave.inc
SET GLOBAL slave_parallel_threads=0;
SET GLOBAL slave_parallel_threads=10;
include/start_slave.inc
*** 2. Same as (1), but without restarting IO thread after kill of SQL threads ***
connection con_temp3;
SET debug_sync='commit_after_release_LOCK_prepare_ordered SIGNAL master_queued1 WAIT_FOR master_cont1';
INSERT INTO t3 VALUES (41, foo(41,
'commit_before_prepare_ordered WAIT_FOR t2_waiting',
'commit_after_prepare_ordered SIGNAL t1_ready WAIT_FOR t1_cont'));
connection server_1;
SET debug_sync='now WAIT_FOR master_queued1';
connection con_temp4;
SET debug_sync='commit_after_release_LOCK_prepare_ordered SIGNAL master_queued2';
BEGIN;
INSERT INTO t3 VALUES (42, foo(42,
'ha_write_row_end SIGNAL t2_query WAIT_FOR t2_cont',
''));
INSERT INTO t3 VALUES (43, foo(43,
'group_commit_waiting_for_prior SIGNAL t2_waiting',
'group_commit_waiting_for_prior_killed SIGNAL t2_killed'));
COMMIT;
connection server_1;
SET debug_sync='now WAIT_FOR master_queued2';
connection con_temp5;
SET debug_sync='commit_after_release_LOCK_prepare_ordered SIGNAL master_queued3';
INSERT INTO t3 VALUES (44, foo(44,
'',
''));
connection server_1;
SET debug_sync='now WAIT_FOR master_queued3';
SET debug_sync='now SIGNAL master_cont1';
connection con_temp3;
connection con_temp4;
connection con_temp5;
connection server_1;
SELECT * FROM t3 WHERE a >= 40 ORDER BY a;
a	b
41	41
42	42
43	43
44	44
100	100
SET debug_sync='RESET';
connection server_2;
SET debug_sync='now WAIT_FOR t2_query';
SET debug_sync='now SIGNAL t2_cont';
SET debug_sync='now WAIT_FOR t1_ready';
KILL THD_ID;
SET debug_sync='now WAIT_FOR t2_killed';
SET debug_sync='now SIGNAL t1_cont';
include/wait_for_slave_sql_error.inc [errno=1317,1927,1964]
SET debug_sync='RESET';
SET GLOBAL slave_parallel_threads=0;
SET GLOBAL slave_parallel_threads=10;
SET sql_log_bin=0;
DROP FUNCTION foo;
CREATE FUNCTION foo(x INT, d1 VARCHAR(500), d2 VARCHAR(500))
RETURNS INT DETERMINISTIC
BEGIN
RETURN x;
END
||
SET sql_log_bin=1;
include/stop_slave_io.inc
connection server_1;
INSERT INTO t3 VALUES (49,0);
connection server_2;
CHANGE MASTER TO master_use_gtid=no;
include/start_slave.inc
SELECT * FROM t3 WHERE a >= 40 ORDER BY a;
a	b
41	41
42	42
43	43
44	44
49	0
100	100
SET sql_log_bin=0;
DROP FUNCTION foo;
CREATE FUNCTION foo(x INT, d1 VARCHAR(500), d2 VARCHAR(500))
RETURNS INT DETERMINISTIC
BEGIN
IF d1 != '' THEN
SET debug_sync = d1;
END IF;
IF d2 != '' THEN
SET debug_sync = d2;
END IF;
RETURN x;
END
||
SET sql_log_bin=1;
connection server_2;
include/stop_slave.inc
SET GLOBAL slave_parallel_threads=0;
SET GLOBAL slave_parallel_threads=10;
include/start_slave.inc
*** 3. Same as (2), but not using gtid mode ***
connection server_1;
connection con_temp3;
SET debug_sync='commit_after_release_LOCK_prepare_ordered SIGNAL master_queued1 WAIT_FOR master_cont1';
INSERT INTO t3 VALUES (51, foo(51,
'commit_before_prepare_ordered WAIT_FOR t2_waiting',
'commit_after_prepare_ordered SIGNAL t1_ready WAIT_FOR t1_cont'));
connection server_1;
SET debug_sync='now WAIT_FOR master_queued1';
connection con_temp4;
SET debug_sync='commit_after_release_LOCK_prepare_ordered SIGNAL master_queued2';
BEGIN;
INSERT INTO t3 VALUES (52, foo(52,
'ha_write_row_end SIGNAL t2_query WAIT_FOR t2_cont',
''));
INSERT INTO t3 VALUES (53, foo(53,
'group_commit_waiting_for_prior SIGNAL t2_waiting',
'group_commit_waiting_for_prior_killed SIGNAL t2_killed'));
COMMIT;
connection server_1;
SET debug_sync='now WAIT_FOR master_queued2';
connection con_temp5;
SET debug_sync='commit_after_release_LOCK_prepare_ordered SIGNAL master_queued3';
INSERT INTO t3 VALUES (54, foo(54,
'',
''));
connection server_1;
SET debug_sync='now WAIT_FOR master_queued3';
SET debug_sync='now SIGNAL master_cont1';
connection con_temp3;
connection con_temp4;
connection con_temp5;
connection server_1;
SELECT * FROM t3 WHERE a >= 50 ORDER BY a;
a	b
51	51
52	52
53	53
54	54
100	100
SET debug_sync='RESET';
connection server_2;
SET debug_sync='now WAIT_FOR t2_query';
SET debug_sync='now SIGNAL t2_cont';
SET debug_sync='now WAIT_FOR t1_ready';
KILL THD_ID;
SET debug_sync='now WAIT_FOR t2_killed';
SET debug_sync='now SIGNAL t1_cont';
include/wait_for_slave_sql_error.inc [errno=1317,1927,1964]
SELECT * FROM t3 WHERE a >= 50 ORDER BY a;
a	b
51	51
100	100
SET debug_sync='RESET';
SET GLOBAL slave_parallel_threads=0;
SET GLOBAL slave_parallel_threads=10;
SET sql_log_bin=0;
DROP FUNCTION foo;
CREATE FUNCTION foo(x INT, d1 VARCHAR(500), d2 VARCHAR(500))
RETURNS INT DETERMINISTIC
BEGIN
RETURN x;
END
||
SET sql_log_bin=1;
connection server_1;
INSERT INTO t3 VALUES (59,0);
connection server_2;
START SLAVE SQL_THREAD;
SELECT * FROM t3 WHERE a >= 50 ORDER BY a;
a	b
51	51
52	52
53	53
54	54
59	0
100	100
connection server_2;
include/stop_slave.inc
CHANGE MASTER TO master_use_gtid=slave_pos;
SET GLOBAL slave_parallel_threads=@old_parallel_threads;
SET GLOBAL slave_parallel_mode=@old_parallel_mode;
include/start_slave.inc
SET DEBUG_SYNC= 'RESET';
connection server_1;
DROP function foo;
DROP TABLE t1,t2,t3;
SET DEBUG_SYNC= 'RESET';
include/rpl_end.inc