path: root/mysql-test/suite/multi_source/gtid_ignore_duplicates.test

--source include/not_embedded.inc
--source include/have_innodb.inc
--source include/have_debug.inc


--echo *** Test all-to-all replication with --gtid-ignore-duplicates ***

--connect (server_1,127.0.0.1,root,,,$SERVER_MYPORT_1)
--connect (server_2,127.0.0.1,root,,,$SERVER_MYPORT_2)
--connect (server_3,127.0.0.1,root,,,$SERVER_MYPORT_3)
--connect (server_4,127.0.0.1,root,,,$SERVER_MYPORT_4)

# Setup A <-> B, B <-> C, C <-> A, and A -> D.

--connection server_1
SET @old_parallel= @@GLOBAL.slave_parallel_threads;
SET GLOBAL slave_parallel_threads=5;
SET @old_ignore_duplicates= @@GLOBAL.gtid_ignore_duplicates;
SET GLOBAL gtid_ignore_duplicates=1;
SET GLOBAL gtid_domain_id= 1;
SET SESSION gtid_domain_id= 1;
--replace_result $SERVER_MYPORT_2 MYPORT_2
eval CHANGE MASTER 'b2a' TO master_port=$SERVER_MYPORT_2, master_host='127.0.0.1', master_user='root', master_use_gtid=slave_pos;
--replace_result $SERVER_MYPORT_3 MYPORT_3
eval CHANGE MASTER 'c2a' TO master_port=$SERVER_MYPORT_3, master_host='127.0.0.1', master_user='root', master_use_gtid=slave_pos;
set default_master_connection = 'b2a';
START SLAVE;
--source include/wait_for_slave_to_start.inc
set default_master_connection = 'c2a';
START SLAVE;
--source include/wait_for_slave_to_start.inc
set default_master_connection = '';

--connection server_2
SET @old_parallel= @@GLOBAL.slave_parallel_threads;
SET GLOBAL slave_parallel_threads=5;
SET @old_ignore_duplicates= @@GLOBAL.gtid_ignore_duplicates;
SET GLOBAL gtid_ignore_duplicates=1;
SET GLOBAL gtid_domain_id= 2;
SET SESSION gtid_domain_id= 2;
--replace_result $SERVER_MYPORT_1 MYPORT_1
eval CHANGE MASTER 'a2b' TO master_port=$SERVER_MYPORT_1, master_host='127.0.0.1', master_user='root', master_use_gtid=slave_pos;
--replace_result $SERVER_MYPORT_3 MYPORT_3
eval CHANGE MASTER 'c2b' TO master_port=$SERVER_MYPORT_3, master_host='127.0.0.1', master_user='root', master_use_gtid=slave_pos;
set default_master_connection = 'a2b';
START SLAVE;
--source include/wait_for_slave_to_start.inc
set default_master_connection = 'c2b';
START SLAVE;
--source include/wait_for_slave_to_start.inc
set default_master_connection = '';

--connection server_3
SET @old_parallel= @@GLOBAL.slave_parallel_threads;
SET GLOBAL slave_parallel_threads=5;
SET @old_ignore_duplicates= @@GLOBAL.gtid_ignore_duplicates;
SET GLOBAL gtid_ignore_duplicates=1;
SET GLOBAL gtid_domain_id= 3;
SET SESSION gtid_domain_id= 3;
--replace_result $SERVER_MYPORT_1 MYPORT_1
eval CHANGE MASTER 'a2c' TO master_port=$SERVER_MYPORT_1, master_host='127.0.0.1', master_user='root', master_use_gtid=slave_pos;
--replace_result $SERVER_MYPORT_2 MYPORT_2
eval CHANGE MASTER 'b2c' TO master_port=$SERVER_MYPORT_2, master_host='127.0.0.1', master_user='root', master_use_gtid=slave_pos;
set default_master_connection = 'a2c';
START SLAVE;
--source include/wait_for_slave_to_start.inc
set default_master_connection = 'b2c';
START SLAVE;
--source include/wait_for_slave_to_start.inc
set default_master_connection = '';

--connection server_4
SET @old_parallel= @@GLOBAL.slave_parallel_threads;
SET GLOBAL slave_parallel_threads=5;
SET @old_ignore_duplicates= @@GLOBAL.gtid_ignore_duplicates;
SET GLOBAL gtid_ignore_duplicates=1;
SET GLOBAL gtid_domain_id= 1;
SET SESSION gtid_domain_id= 1;
--replace_result $SERVER_MYPORT_1 MYPORT_1
eval CHANGE MASTER 'a2d' TO master_port=$SERVER_MYPORT_1, master_host='127.0.0.1', master_user='root', master_use_gtid=slave_pos;
set default_master_connection = 'a2d';
START SLAVE;
--source include/wait_for_slave_to_start.inc
set default_master_connection = '';


--connection server_1
ALTER TABLE mysql.gtid_slave_pos ENGINE=InnoDB;
CALL mtr.add_suppression("This change will not take full effect until all SQL threads have been restarted");
CREATE TABLE t1 (a INT PRIMARY KEY) ENGINE=InnoDB;
INSERT INTO t1 VALUES (1);
BEGIN;
INSERT INTO t1 VALUES (2);
INSERT INTO t1 VALUES (3);
COMMIT;
INSERT INTO t1 VALUES (4), (5);
INSERT INTO t1 VALUES (6);

--source include/save_master_gtid.inc

--connection server_2
--source include/sync_with_master_gtid.inc
SELECT * FROM t1 ORDER BY a;

--connection server_3
--source include/sync_with_master_gtid.inc
SELECT * FROM t1 ORDER BY a;

--connection server_4
--source include/sync_with_master_gtid.inc
SELECT * FROM t1 ORDER BY a;

--connection server_1
--source include/sync_with_master_gtid.inc
SELECT * FROM t1 ORDER BY a;

# Test that we can connect at a GTID position that has not yet reached
# that master server.
# We stop the connections C->B and A->B, create an event on C, Check that
# the event has reached A (but not B). Then let A stop and re-connect to
# B, which will connect at the new event, which is in the future for B.

--connection server_3
INSERT INTO t1 VALUES (10);
--source include/save_master_gtid.inc

--connection server_2
--source include/sync_with_master_gtid.inc
SELECT * FROM t1 WHERE a >= 10 ORDER BY a;
STOP SLAVE "c2b";
SET default_master_connection = "c2b";
--source include/wait_for_slave_to_stop.inc
STOP SLAVE "a2b";
SET default_master_connection = "a2b";
--source include/wait_for_slave_to_stop.inc

--connection server_3
INSERT INTO t1 VALUES (11);
--source include/save_master_gtid.inc

--connection server_1
--source include/sync_with_master_gtid.inc
SELECT * FROM t1 WHERE a >= 10 ORDER BY a;
SET default_master_connection = "b2a";
STOP SLAVE;
--source include/wait_for_slave_to_stop.inc

--connection server_2
INSERT INTO t1 VALUES (12);
SELECT * FROM t1 WHERE a >= 10 ORDER BY a;
--source include/save_master_gtid.inc

--connection server_1
START SLAVE "b2a";
SET default_master_connection = "b2a";
--source include/wait_for_slave_to_start.inc
--source include/sync_with_master_gtid.inc
SELECT * FROM t1 WHERE a >= 10 ORDER BY a;

--connection server_2
START SLAVE "c2b";
SET default_master_connection = "c2b";
--source include/wait_for_slave_to_start.inc
START SLAVE "a2b";
SET default_master_connection = "a2b";
--source include/wait_for_slave_to_start.inc

--connection server_1
--source include/save_master_gtid.inc

--connection server_2
--source include/sync_with_master_gtid.inc
SELECT * FROM t1 WHERE a >= 10 ORDER BY a;


--echo *** Test also with not using parallel replication.

--connection server_1
SET default_master_connection = "b2a";
STOP SLAVE;
--source include/wait_for_slave_to_stop.inc
SET default_master_connection = "c2a";
STOP SLAVE;
--source include/wait_for_slave_to_stop.inc
SET GLOBAL slave_parallel_threads=0;
SET default_master_connection = "b2a";
START SLAVE;
--source include/wait_for_slave_to_start.inc
SET default_master_connection = "c2a";
START SLAVE;
--source include/wait_for_slave_to_start.inc


--connection server_2
SET default_master_connection = "a2b";
STOP SLAVE;
--source include/wait_for_slave_to_stop.inc
SET default_master_connection = "c2b";
STOP SLAVE;
--source include/wait_for_slave_to_stop.inc
SET GLOBAL slave_parallel_threads=0;
SET default_master_connection = "a2b";
START SLAVE;
--source include/wait_for_slave_to_start.inc
SET default_master_connection = "c2b";
START SLAVE;
--source include/wait_for_slave_to_start.inc


--connection server_3
SET default_master_connection = "a2c";
STOP SLAVE;
--source include/wait_for_slave_to_stop.inc
SET default_master_connection = "b2c";
STOP SLAVE;
--source include/wait_for_slave_to_stop.inc
SET GLOBAL slave_parallel_threads=0;
SET default_master_connection = "a2c";
START SLAVE;
--source include/wait_for_slave_to_start.inc
SET default_master_connection = "b2c";
START SLAVE;
--source include/wait_for_slave_to_start.inc


--connection server_4
SET default_master_connection = "a2d";
STOP SLAVE;
--source include/wait_for_slave_to_stop.inc
SET GLOBAL slave_parallel_threads=0;
SET default_master_connection = "a2d";
START SLAVE;
--source include/wait_for_slave_to_start.inc


--connection server_2
INSERT INTO t1 VALUES (21);
BEGIN;
INSERT INTO t1 VALUES (22);
INSERT INTO t1 VALUES (23);
COMMIT;
INSERT INTO t1 VALUES (24), (25);
INSERT INTO t1 VALUES (26);

--source include/save_master_gtid.inc

--connection server_1
--source include/sync_with_master_gtid.inc
SELECT * FROM t1 WHERE a >= 20 ORDER BY a;

--connection server_3
--source include/sync_with_master_gtid.inc
SELECT * FROM t1 WHERE a >= 20 ORDER BY a;

--connection server_4
--source include/sync_with_master_gtid.inc
SELECT * FROM t1 WHERE a >= 20 ORDER BY a;

--connection server_2
--source include/sync_with_master_gtid.inc
SELECT * FROM t1 WHERE a >= 20 ORDER BY a;


--echo *** MDEV-8354: out-of-order error with --gtid-ignore-duplicates and row-based replication ***

# Have only A->C A->B initially.
--connection server_1
SET default_master_connection = "b2a";
STOP SLAVE;
--source include/wait_for_slave_to_stop.inc
SET default_master_connection = "c2a";
STOP SLAVE;
--source include/wait_for_slave_to_stop.inc

--connection server_2
SET default_master_connection = "c2b";
STOP SLAVE;
--source include/wait_for_slave_to_stop.inc

--connection server_3
SET default_master_connection = "b2c";
STOP SLAVE;
--source include/wait_for_slave_to_stop.inc
SET @old_slave_mode=@@GLOBAL.slave_exec_mode;
SET GLOBAL slave_exec_mode=IDEMPOTENT;
SET @old_strict=@@GLOBAL.gtid_strict_mode;
SET GLOBAL gtid_strict_mode=1;

SET @old_dbug=@@GLOBAL.debug_dbug;
# This will inject a small sleep that helps trigger the race. I did not manage
# to create a non-sleeping version with debug_sync for this; the problem is
# that once the bug is fixed, the race becomes impossible, so even with
# debug_sync at best we can check that the debug_sync times out. Which is
# just another way of adding a sleep.
#
# The bug was a race at this point where another multi-source connection
# could incorrectly re-apply the same GTID, in case of row-based replication.
SET GLOBAL debug_dbug="+d,inject_sleep_gtid_100_x_x";

--connection server_1
SET @old_domain=@@SESSION.gtid_domain_id;
SET @old_format=@@SESSION.binlog_format;
SET SESSION gtid_domain_id=100;
SET SESSION binlog_format='row';
INSERT INTO t1 VALUES (30);
INSERT INTO t1 VALUES (31);
INSERT INTO t1 VALUES (32);
INSERT INTO t1 VALUES (33);
INSERT INTO t1 VALUES (34);
INSERT INTO t1 VALUES (35);
INSERT INTO t1 VALUES (36);
INSERT INTO t1 VALUES (37);
INSERT INTO t1 VALUES (38);
INSERT INTO t1 VALUES (39);
INSERT INTO t1 VALUES (40);
INSERT INTO t1 VALUES (41);
INSERT INTO t1 VALUES (42);
INSERT INTO t1 VALUES (43);
INSERT INTO t1 VALUES (44);
INSERT INTO t1 VALUES (45);
INSERT INTO t1 VALUES (46);
INSERT INTO t1 VALUES (47);
INSERT INTO t1 VALUES (48);
INSERT INTO t1 VALUES (49);
SET SESSION gtid_domain_id=@old_domain;
SET SESSION binlog_format=@old_format;
--source include/save_master_gtid.inc

--connection server_2
--source include/sync_with_master_gtid.inc
INSERT INTO t1 VALUES (50);
--let $gtid=`SELECT @@last_gtid`
--source include/save_master_gtid.inc

--connection server_3
SET default_master_connection = "b2c";
START SLAVE;
--source include/wait_for_slave_to_start.inc
--replace_result $gtid GTID
eval SELECT MASTER_GTID_WAIT("$gtid", 30);
# The bug occurred here, the slave would get an out-of-order binlog error
# due to trying to re-apply the 100-x-x transaction.

# Restart stopped multi-source connections, and sync up.
--connection server_1
SET default_master_connection = "b2a";
START SLAVE;
--source include/wait_for_slave_to_start.inc
SET default_master_connection = "c2a";
START SLAVE;
--source include/wait_for_slave_to_start.inc
--source include/sync_with_master_gtid.inc
SELECT * FROM t1 WHERE a >= 30 ORDER BY a;

--connection server_2
SET default_master_connection = "c2b";
START SLAVE;
--source include/wait_for_slave_to_start.inc
--source include/sync_with_master_gtid.inc
SELECT * FROM t1 WHERE a >= 30 ORDER BY a;

--connection server_3
--source include/sync_with_master_gtid.inc
SET GLOBAL debug_dbug=@old_dbug;
SELECT * FROM t1 WHERE a >= 30 ORDER BY a;
SET GLOBAL slave_exec_mode=@old_slave_mode;
SET GLOBAL gtid_strict_mode=@old_strict;


--echo *** MDEV-8496: gtid_ignore_duplicates treats gtid_seq_no as 32-bit ***

--connection server_1
SET @old_domain= @@SESSION.gtid_domain_id;
SET SESSION gtid_domain_id=102;
SET SESSION gtid_seq_no=4294967294;
INSERT INTO t1 VALUES (60);
INSERT INTO t1 VALUES (61);
INSERT INTO t1 VALUES (62);
# The bug was an overflow, the seq_no value 4294967296 (2**32) was treated
# as 0, causing the last transaction to be ignored.
SET SESSION gtid_domain_id= @old_domain;
--source include/save_master_gtid.inc

--connection server_4
--source include/sync_with_master_gtid.inc
SELECT * FROM t1 WHERE a >= 60 ORDER BY a;

--connection server_2
SET default_master_connection = "c2b";
--source include/sync_with_master_gtid.inc
SET default_master_connection = "a2b";
--source include/sync_with_master_gtid.inc
SELECT * FROM t1 WHERE a >= 60 ORDER BY a;

--connection server_3
SET default_master_connection = "b2c";
--source include/sync_with_master_gtid.inc
SET default_master_connection = "a2c";
--source include/sync_with_master_gtid.inc
SELECT * FROM t1 WHERE a >= 60 ORDER BY a;



# Clean up.
--connection server_1
SET GLOBAL gtid_domain_id=0;
--sorted_result
STOP ALL SLAVES;
SET GLOBAL slave_parallel_threads= @old_parallel;
SET GLOBAL gtid_ignore_duplicates= @old_ignore_duplicates;

--connection server_2
SET GLOBAL gtid_domain_id=0;
--sorted_result
STOP ALL SLAVES;
SET GLOBAL slave_parallel_threads= @old_parallel;
SET GLOBAL gtid_ignore_duplicates= @old_ignore_duplicates;

--connection server_3
SET GLOBAL gtid_domain_id=0;
--sorted_result
STOP ALL SLAVES;
SET GLOBAL slave_parallel_threads= @old_parallel;
SET GLOBAL gtid_ignore_duplicates= @old_ignore_duplicates;

--connection server_4
SET GLOBAL gtid_domain_id=0;
--sorted_result
STOP ALL SLAVES;
SET GLOBAL slave_parallel_threads= @old_parallel;
SET GLOBAL gtid_ignore_duplicates= @old_ignore_duplicates;

--connection server_1
DROP TABLE t1;
ALTER TABLE mysql.gtid_slave_pos ENGINE=Aria;
--source include/reset_master_slave.inc
--disconnect server_1

--connection server_2
DROP TABLE t1;
ALTER TABLE mysql.gtid_slave_pos ENGINE=Aria;
--source include/reset_master_slave.inc
--disconnect server_2

--connection server_3
DROP TABLE t1;
ALTER TABLE mysql.gtid_slave_pos ENGINE=Aria;
--source include/reset_master_slave.inc
--disconnect server_3

--connection server_4
DROP TABLE t1;
ALTER TABLE mysql.gtid_slave_pos ENGINE=Aria;
--source include/reset_master_slave.inc
--disconnect server_4