include/master-slave.inc
[connection master]
connection slave;
include/stop_slave.inc
ALTER TABLE mysql.gtid_slave_pos ENGINE=InnoDB;
# MDEV-29621 the sequence engine binlog_row_image-full events
#            MDL-deadlock on the parallel slave.
connection master;
CREATE SEQUENCE s1;
SET @@session.binlog_row_image=FULL;
SET @@session.debug_dbug="+d,binlog_force_commit_id";
SET @commit_id=7;
SET @@gtid_seq_no=100;
SELECT NEXT VALUE FOR s1;
NEXT VALUE FOR s1
1
INSERT INTO s1 VALUES(2, 1, 10, 1, 2, 1, 1, 0);
SET @@session.debug_dbug="";
connection slave;
SET @@global.slave_parallel_threads=2;
SET @@global.slave_parallel_mode=optimistic;
SET @@global.debug_dbug="+d,hold_worker_on_schedule";
include/start_slave.inc
SET DEBUG_SYNC = 'now SIGNAL continue_worker';
connection master;
DROP SEQUENCE s1;
connection slave;
include/stop_slave.inc
# Simulate buggy 10.3.36 master to prove the parallel applier
# does not deadlock now at replaying the above master load.
connection master;
include/rpl_stop_server.inc [server_number=1]
include/rpl_start_server.inc [server_number=1]
connection slave;
RESET MASTER;
SET @@global.gtid_slave_pos="";
CHANGE MASTER TO master_host='127.0.0.1', master_port=SERVER_MYPORT_1, master_user='root', master_use_gtid=slave_pos;
START SLAVE UNTIL MASTER_GTID_POS='0-1-102';
SET DEBUG_SYNC = 'now SIGNAL continue_worker';
# Normal stop is expected
include/wait_for_slave_to_stop.inc
# MDEV-31077 ALTER SEQUENCE may end up in optimistic parallel slave binlog out-of-order
# The test proves ALTER-SEQUENCE binlogs first before the following transaction does so.
connection slave;
include/stop_slave.inc
Warnings:
Note	1255	Slave already has been stopped
RESET MASTER;
SET @@global.gtid_slave_pos="";
connection master;
RESET MASTER;
CREATE TABLE ti (a INT) ENGINE=innodb;
CREATE SEQUENCE s2 ENGINE=innodb;
include/save_master_gtid.inc
connection slave;
include/start_slave.inc
include/sync_with_master_gtid.inc
include/stop_slave.inc
include/rpl_restart_server.inc [server_number=2]
SET @@global.slave_parallel_threads=2;
SET @@global.slave_parallel_mode=optimistic;
SET @@global.debug_dbug="+d,hold_worker_on_schedule";
SET @@global.gtid_strict_mode=1;
connection master;
SET @@gtid_seq_no=100;
ALTER SEQUENCE s2 restart with 1;
INSERT INTO ti SET a=1;
include/save_master_gtid.inc
SELECT @@global.gtid_binlog_state "Master gtid state";
Master gtid state
0-1-101
connection slave;
SET STATEMENT sql_log_bin=0 FOR FLUSH TABLES;
include/start_slave.inc
SELECT @@global.gtid_binlog_state, @@global.gtid_slave_pos as "no 100,101 yet in both";
@@global.gtid_binlog_state	no 100,101 yet in both
0-1-2	0-1-2
SET DEBUG_SYNC = 'now SIGNAL continue_worker';
# Normal sync with master proves the fixes correct
include/sync_with_master_gtid.inc
SELECT @@global.gtid_binlog_state, @@global.gtid_slave_pos as "all through 101 have been committed";
@@global.gtid_binlog_state	all through 101 have been committed
0-1-101	0-1-101
connection slave;
include/stop_slave.inc
set @saved_mode= @@global.slave_parallel_mode;
set @@global.slave_parallel_mode = conservative;
include/start_slave.inc
connection master;
INSERT INTO ti SET a=2;
include/save_master_gtid.inc
connection slave;
include/sync_with_master_gtid.inc
lock table ti write;
SET GLOBAL debug_dbug= "+d,halt_past_mark_start_commit";
connection master;
INSERT INTO ti SET a=35570;
ALTER SEQUENCE s2 restart with 1;
include/save_master_gtid.inc
connection slave;
unlock tables;
SET debug_sync = "now SIGNAL past_mark_continue";
include/sync_with_master_gtid.inc
include/stop_slave.inc
SET @@global.slave_parallel_mode = @saved_mode;
SET @@global.debug_dbug = @@GLOBAL.debug_dbug;
include/start_slave.inc
connection slave;
flush tables with read lock;
connection master;
CREATE OR REPLACE SEQUENCE s3 ENGINE=innodb;
SELECT NEXT VALUE FOR s3 into @tmpvar;
include/save_master_gtid.inc
connection slave;
unlock tables;
include/sync_with_master_gtid.inc
connection slave;
flush tables with read lock;
connection master;
CREATE OR REPLACE SEQUENCE s3 ENGINE=innodb;
SELECT NEXT VALUE FOR s3 into @tmpvar;
include/save_master_gtid.inc
connection slave;
unlock tables;
include/sync_with_master_gtid.inc
connection slave;
BEGIN /* slave local Trx */;
select count(*) from s3;
count(*)
1
connection master;
CREATE OR REPLACE SEQUENCE s3 ENGINE=innodb;
SELECT NEXT VALUE FOR s3 into @tmpvar;
include/save_master_gtid.inc
connection slave;
connection slave;
rollback /* Trx */;
include/sync_with_master_gtid.inc
connection slave;
include/stop_slave.inc
SET debug_sync = RESET;
SET @@global.slave_parallel_threads= 0;
SET @@global.slave_parallel_mode= optimistic;
SET @@global.debug_dbug = "";
SET @@global.gtid_strict_mode=0;
include/start_slave.inc
connection master;
BEGIN;
INSERT INTO ti SET a=32593;
CREATE SEQUENCE s4;
DROP SEQUENCE s2,s3,s4;
DROP TABLE ti;
connection slave;
connection master;
CREATE SEQUENCE s;
SELECT NEXTVAL(s);
NEXTVAL(s)
1
flush binary logs;
DROP SEQUENCE s;
DROP SEQUENCE s;
connection slave;
connection master;
include/rpl_end.inc