--source include/have_innodb.inc
--source include/have_debug.inc
--source include/have_debug_sync.inc
--source include/master-slave.inc

--connection server_2
SET @old_parallel_threads=@@GLOBAL.slave_parallel_threads;
--source include/stop_slave.inc
SET GLOBAL slave_parallel_threads=10;
--source include/start_slave.inc


--echo *** MDEV-6589: Incorrect relay log start position when restarting SQL thread after error in parallel replication ***

--connection server_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;
INSERT INTO t1 VALUES (1);
INSERT INTO t2 VALUES (1);
--save_master_pos

--connection server_2
--sync_with_master
SELECT * FROM t1;
SELECT * FROM t2;

# Block one domain, which we will later cause to give an error. And let some
# other domains proceed so we can check that after restart, the slave is able
# to correctly restart each domain in a separate position.

--connect (con_temp1,127.0.0.1,root,,test,$SERVER_MYPORT_2,)
SET sql_log_bin=0;
BEGIN;
INSERT INTO t2 VALUES (5);

--connection server_1
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;
# This query will be blocked on the slave, and later give a duplicate key error.
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);

# These cannot be replicated before the error, as a prior commit is blocked.
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;
--let $wait_pos= `SELECT CONCAT(@gtid0, ",", @gtid2, ",", @gtid3)`

SELECT * FROM t1 ORDER BY a;
SELECT * FROM t2 ORDER BY a;
--source include/save_master_gtid.inc


--connection server_2
# First wait for domains 0, 2, and 3 to complete.
--replace_result $wait_pos WAIT_POS
eval SELECT MASTER_GTID_WAIT('$wait_pos');

# Then release the row lock, and wait for the domain 1 to fail with
# duplicate key error.
--connection con_temp1
COMMIT;
CALL mtr.add_suppression("Commit failed due to failure of an earlier commit on which this one depends");
SET sql_log_bin=1;

--connection server_2
--let $slave_sql_errno= 1062
--source include/wait_for_slave_sql_error.inc

SELECT * FROM t1 ORDER BY a;
SELECT * FROM t2 ORDER BY a;

SET sql_log_bin=0;
DELETE FROM t2 WHERE a=5;
SET sql_log_bin=1;
--source include/start_slave.inc
--source include/sync_with_master_gtid.inc

SELECT * FROM t1 ORDER BY a;
SELECT * FROM t2 ORDER BY a;


# Clean up.
--connection server_2
--source include/stop_slave.inc
SET GLOBAL slave_parallel_threads=@old_parallel_threads;
--source include/start_slave.inc
SET DEBUG_SYNC= 'RESET';

--connection server_1
DROP TABLE t1,t2;
SET DEBUG_SYNC= 'RESET';

--source include/rpl_end.inc