--source include/have_innodb.inc
--source include/have_debug.inc
# Valgrind does not work well with test that crashes the server
--source include/not_valgrind.inc

--let $rpl_topology=1->2
--source include/rpl_init.inc

--echo *** Test crashing master, causing slave IO thread to reconnect while SQL thread is running ***

--connection server_1
call mtr.add_suppression("Checking table:");
call mtr.add_suppression("client is using or hasn't closed the table properly");
call mtr.add_suppression("Table .* is marked as crashed and should be repaired");
# We have seen this warning a couple of times in Buildbot. Since we crash the
# server deliberately, it seems possible that we could in rare cases crash in
# the middle of a page write. The page is recovered from the doublewrite
# buffer ("[Note] InnoDB: Recovered the page from the doublewrite buffer.").
call mtr.add_suppression("InnoDB: Warning: database page corruption or a failed");
flush tables;

ALTER TABLE mysql.gtid_slave_pos ENGINE=InnoDB;
CREATE TABLE t1 (a INT PRIMARY KEY, b INT) ENGINE=InnoDB;
INSERT INTO t1 VALUES (1, 0);
--save_master_pos

--connection server_2
--sync_with_master
--source include/stop_slave.inc
--replace_result $MASTER_MYPORT MASTER_PORT
eval CHANGE MASTER TO master_host = '127.0.0.1', master_port = $MASTER_MYPORT,
     MASTER_USE_GTID=CURRENT_POS;

--connection server_1
INSERT INTO t1 VALUES (2,1);
INSERT INTO t1 VALUES (3,1);

--connection server_2
--source include/start_slave.inc

--connection server_1

--write_file $MYSQLTEST_VARDIR/tmp/mysqld.1.expect
wait-rpl_gtid_crash.test
EOF

let $1=200;
--disable_query_log
while ($1)
{
  eval INSERT INTO t1 VALUES ($1 + 10, 2);
  dec $1;
}
--enable_query_log
--source include/save_master_gtid.inc

SET SESSION debug_dbug="+d,crash_dispatch_command_before";
--error 2006,2013
SELECT 1;
--source include/wait_until_disconnected.inc

--append_file $MYSQLTEST_VARDIR/tmp/mysqld.1.expect
restart-rpl_gtid_crash.test
EOF

--enable_reconnect
--source include/wait_until_connected_again.inc

--connection server_2
--source include/sync_with_master_gtid.inc

--connection server_1
INSERT INTO t1 VALUES (1000, 3);
--source include/save_master_gtid.inc

--connection server_2
--source include/sync_with_master_gtid.inc

--connection server_1
DROP TABLE t1;
--save_master_pos

--echo *** Test crashing the master mysqld and check that binlog state is recovered. ***
--connection server_2
--sync_with_master
--source include/stop_slave.inc
RESET MASTER;
SET GLOBAL gtid_slave_pos='';

--connection server_1
RESET MASTER;
--replace_column 2 # 4 # 5 #
SHOW BINLOG EVENTS IN 'master-bin.000001' LIMIT 1,1;
CREATE TABLE t1 (a INT PRIMARY KEY) ENGINE=InnoDB;

--connection server_2
--source include/start_slave.inc

--connection server_1
SET gtid_domain_id= 1;
INSERT INTO t1 VALUES (1);
INSERT INTO t1 VALUES (2);
FLUSH LOGS;
SET gtid_domain_id= 2;
INSERT INTO t1 VALUES (3);
FLUSH LOGS;
--source include/show_binary_logs.inc
--replace_column 2 # 4 # 5 # 6 #
SHOW BINLOG EVENTS IN 'master-bin.000003' LIMIT 1,1;

--write_file $MYSQLTEST_VARDIR/tmp/mysqld.1.expect
wait
EOF

SET SESSION debug_dbug="+d,crash_dispatch_command_before";
--error 2006,2013
SELECT 1;
--source include/wait_until_disconnected.inc

--append_file $MYSQLTEST_VARDIR/tmp/mysqld.1.expect
restart
EOF

--enable_reconnect
--source include/wait_until_connected_again.inc

--source include/show_binary_logs.inc
--replace_column 2 # 4 # 5 # 6 #
SHOW BINLOG EVENTS IN 'master-bin.000004' LIMIT 1,1;
--save_master_pos

--connection server_2
--sync_with_master
SELECT * FROM t1 ORDER BY a;


--echo *** Test crashing slave at various points and check that it recovers crash-safe. ***

# Crash the slave just before updating mysql.gtid_slave_pos table.
--source include/stop_slave.inc
--write_file $MYSQLTEST_VARDIR/tmp/mysqld.2.expect
wait
EOF
# We do not have to save @@GLOBAL.debug_dbug, it is reset when slave crashes.
SET GLOBAL debug_dbug="+d,inject_crash_before_write_rpl_slave_state";
START SLAVE;

--connection server_1
INSERT INTO t1 VALUES (4);
--source include/save_master_gtid.inc

--connection server_2
--source include/wait_until_disconnected.inc

--append_file $MYSQLTEST_VARDIR/tmp/mysqld.2.expect
restart: --skip-slave-start=0
EOF

--enable_reconnect
--source include/wait_until_connected_again.inc

--source include/sync_with_master_gtid.inc

# Crash the slave just before committing.
--source include/stop_slave.inc
--write_file $MYSQLTEST_VARDIR/tmp/mysqld.2.expect
wait
EOF
SET GLOBAL debug_dbug="+d,crash_commit_before";
START SLAVE;

--connection server_1
INSERT INTO t1 VALUES (5);
--source include/save_master_gtid.inc

--connection server_2
--source include/wait_until_disconnected.inc

--append_file $MYSQLTEST_VARDIR/tmp/mysqld.2.expect
restart: --skip-slave-start=0
EOF

--enable_reconnect
--source include/wait_until_connected_again.inc

--source include/sync_with_master_gtid.inc

# Crash the slave just after committing.
--source include/stop_slave.inc
--write_file $MYSQLTEST_VARDIR/tmp/mysqld.2.expect
wait
EOF
SET GLOBAL debug_dbug="+d,crash_commit_after";
START SLAVE;

--connection server_1
INSERT INTO t1 VALUES (6);
--source include/save_master_gtid.inc

--connection server_2
--source include/wait_until_disconnected.inc

--append_file $MYSQLTEST_VARDIR/tmp/mysqld.2.expect
restart: --skip-slave-start=0
EOF

--enable_reconnect
--source include/wait_until_connected_again.inc

--source include/sync_with_master_gtid.inc

# Crash the slave just before updating relay-log.info
--source include/stop_slave.inc
--write_file $MYSQLTEST_VARDIR/tmp/mysqld.2.expect
wait
EOF
SET GLOBAL debug_dbug="+d,inject_crash_before_flush_rli";
--error 0,2006,2013
START SLAVE;

--connection server_1
INSERT INTO t1 VALUES (7);
--source include/save_master_gtid.inc

--connection server_2
--source include/wait_until_disconnected.inc

--append_file $MYSQLTEST_VARDIR/tmp/mysqld.2.expect
restart: --skip-slave-start=0
EOF

--enable_reconnect
--source include/wait_until_connected_again.inc

--source include/sync_with_master_gtid.inc

# Crash the slave just after updating relay-log.info
--source include/stop_slave.inc
--write_file $MYSQLTEST_VARDIR/tmp/mysqld.2.expect
wait
EOF
SET GLOBAL debug_dbug="+d,inject_crash_after_flush_rli";
--error 0,2006,2013
START SLAVE;

--connection server_1
INSERT INTO t1 VALUES (8);
--source include/save_master_gtid.inc

--connection server_2
--source include/wait_until_disconnected.inc

--append_file $MYSQLTEST_VARDIR/tmp/mysqld.2.expect
restart: --skip-slave-start=0
EOF

--enable_reconnect
--source include/wait_until_connected_again.inc

--source include/sync_with_master_gtid.inc


# Check that everything was replicated correctly.
SELECT * FROM t1 ORDER BY a;


--echo *** MDEV-4725: Incorrect recovery when crash in the middle of writing an event group ***

--connection server_2
--write_file $MYSQLTEST_VARDIR/tmp/mysqld.2.expect
wait
EOF

--let $old_gtid_strict= `SELECT @@gtid_strict_mode`
SET GLOBAL debug_dbug="+d,crash_before_writing_xid";

--connection server_1
INSERT INTO t1 VALUES (9), (10);
--let $saved_gtid=`SELECT @@last_gtid`
--save_master_pos

--connection server_2
--source include/wait_until_disconnected.inc

# The bug was that during crash recovery we would update the binlog state
# with the GTID of the half-written event group at the end of the slaves
# binlog, even though this event group was not committed.
# We restart the server with gtid_strict_mode; this way, we get an error
# about duplicate gtid when the slave re-executes the event group, if the
# binlog crash recovery is incorrect.
--append_file $MYSQLTEST_VARDIR/tmp/mysqld.2.expect
restart: --gtid_strict_mode=1
EOF

--enable_reconnect
--source include/wait_until_connected_again.inc

SHOW VARIABLES like 'gtid_strict_mode';
--source include/start_slave.inc
--sync_with_master
--disable_query_log
eval SET GLOBAL gtid_strict_mode= $old_gtid_strict;
--enable_query_log


--echo *** MDEV-6462: Incorrect recovery on a slave reconnecting to crashed master ***

--connection server_1
set sql_log_bin= 0;
call mtr.add_suppression("Error writing file 'master-bin'");
set sql_log_bin= 1;
--connection server_2
set sql_log_bin= 0;
call mtr.add_suppression("The server_id of master server changed in the middle of GTID");
call mtr.add_suppression("Unexpected change of master binlog file name in the middle of GTID");
set sql_log_bin= 1;

--connection server_1
--write_file $MYSQLTEST_VARDIR/tmp/mysqld.1.expect
wait
EOF

SET GLOBAL debug_dbug="+d,inject_error_writing_xid";
BEGIN;
INSERT INTO t1 VALUES (11);
--error ER_ERROR_ON_WRITE
COMMIT;
SET GLOBAL debug_dbug="+d,crash_dispatch_command_before";
--error 2006,2013
COMMIT;

--source include/wait_until_disconnected.inc

# Simulate that we reconnect to a different server (new server_id).
--append_file $MYSQLTEST_VARDIR/tmp/mysqld.1.expect
restart: --server-id=3
EOF

--enable_reconnect
--source include/wait_until_connected_again.inc

SELECT @@GLOBAL.server_id;
SELECT * from t1 WHERE a > 10 ORDER BY a;
--disable_query_log
eval SELECT IF(INSTR(@@gtid_binlog_pos, '$saved_gtid'), "Binlog pos ok", CONCAT("Unexpected binlog pos: ", @@gtid_binlog_pos, "; does not contain the GTID $saved_gtid.")) AS gtid_check;
--enable_query_log

--echo # Wait 30 seconds for SQL thread to catch up with IO thread
--connection server_2
--let $wait_timeout= 300
while ($wait_timeout != 0)
{
  --let $read_log_pos= query_get_value('SHOW SLAVE STATUS', Read_Master_Log_Pos, 1)
  --let $exec_log_pos= query_get_value('SHOW SLAVE STATUS', Exec_Master_Log_Pos, 1)
  if ($read_log_pos == $exec_log_pos)
  {
    --let $wait_timeout= 0
  }
  if ($read_log_pos != $exec_log_pos)
  {
    --sleep 0.1
    --dec $wait_timeout
  }
}
if ($read_log_pos != $exec_log_pos)
{
  --die Timeout wait for SQL thread to catch up with IO thread
}

SELECT * from t1 WHERE a > 10 ORDER BY a;
--disable_query_log
eval SELECT IF(INSTR(@@gtid_binlog_pos, '$saved_gtid'), "Binlog pos ok", CONCAT("Unexpected binlog pos: ", @@gtid_binlog_pos, "; does not contain the GTID $saved_gtid.")) AS gtid_check;
eval SELECT IF(INSTR(@@gtid_slave_pos, '$saved_gtid'), "Slave pos ok", CONCAT("Unexpected slave pos: ", @@gtid_slave_pos, "; does not contain the GTID $saved_gtid.")) AS gtid_check;
eval SELECT IF(INSTR(@@gtid_current_pos, '$saved_gtid'), "Current pos ok", CONCAT("Unexpected current pos: ", @@gtid_current_pos, "; does not contain the GTID $saved_gtid.")) AS gtid_check;
--enable_query_log

--echo # Repeat this with additional transactions on the master

--connection server_1
--write_file $MYSQLTEST_VARDIR/tmp/mysqld.1.expect
wait
EOF

SET GLOBAL debug_dbug="+d,inject_error_writing_xid";
BEGIN;
INSERT INTO t1 VALUES (12);
--error ER_ERROR_ON_WRITE
COMMIT;
SET GLOBAL debug_dbug="+d,crash_dispatch_command_before";
--error 2006,2013
COMMIT;

--source include/wait_until_disconnected.inc

# Simulate that we reconnect to a different server (new server_id).
--append_file $MYSQLTEST_VARDIR/tmp/mysqld.1.expect
restart: --server-id=1
EOF

--enable_reconnect
--source include/wait_until_connected_again.inc

SELECT @@GLOBAL.server_id;
INSERT INTO t1 VALUES (13);
INSERT INTO t1 VALUES (14);
--let $saved_gtid=`SELECT @@last_gtid`
SELECT * from t1 WHERE a > 10 ORDER BY a;
--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;

--connection server_1
--write_file $MYSQLTEST_VARDIR/tmp/mysqld.1.expect
wait
EOF

SET GLOBAL debug_dbug="+d,inject_error_writing_xid";
BEGIN;
INSERT INTO t1 VALUES (21);
--error ER_ERROR_ON_WRITE
COMMIT;
SET GLOBAL debug_dbug="+d,crash_dispatch_command_before";
--error 2006,2013
COMMIT;

--source include/wait_until_disconnected.inc

# Simulate that we reconnect to the same server (same server_id).
--append_file $MYSQLTEST_VARDIR/tmp/mysqld.1.expect
restart
EOF

--enable_reconnect
--source include/wait_until_connected_again.inc

SELECT @@GLOBAL.server_id;
SELECT * from t1 WHERE a > 10 ORDER BY a;
--disable_query_log
eval SELECT IF(INSTR(@@gtid_binlog_pos, '$saved_gtid'), "Binlog pos ok", CONCAT("Unexpected binlog pos: ", @@gtid_binlog_pos, "; does not contain the GTID $saved_gtid.")) AS gtid_check;
eval SELECT IF(INSTR(@@gtid_current_pos, '$saved_gtid'), "Current pos ok", CONCAT("Unexpected current pos: ", @@gtid_current_pos, "; does not contain the GTID $saved_gtid.")) AS gtid_check;
--enable_query_log

--echo # Wait 30 seconds for SQL thread to catch up with IO thread
--connection server_2
--let $wait_timeout= 300
while ($wait_timeout != 0)
{
  --let $read_log_pos= query_get_value('SHOW SLAVE STATUS', Read_Master_Log_Pos, 1)
  --let $exec_log_pos= query_get_value('SHOW SLAVE STATUS', Exec_Master_Log_Pos, 1)
  if ($read_log_pos == $exec_log_pos)
  {
    --let $wait_timeout= 0
  }
  if ($read_log_pos != $exec_log_pos)
  {
    --sleep 0.1
    --dec $wait_timeout
  }
}
if ($read_log_pos != $exec_log_pos)
{
  --die Timeout wait for SQL thread to catch up with IO thread
}

SELECT * from t1 WHERE a > 10 ORDER BY a;
--disable_query_log
eval SELECT IF(INSTR(@@gtid_binlog_pos, '$saved_gtid'), "Binlog pos ok", CONCAT("Unexpected binlog pos: ", @@gtid_binlog_pos, "; does not contain the GTID $saved_gtid.")) AS gtid_check;
eval SELECT IF(INSTR(@@gtid_slave_pos, '$saved_gtid'), "Slave pos ok", CONCAT("Unexpected slave pos: ", @@gtid_slave_pos, "; does not contain the GTID $saved_gtid.")) AS gtid_check;
eval SELECT IF(INSTR(@@gtid_current_pos, '$saved_gtid'), "Current pos ok", CONCAT("Unexpected current pos: ", @@gtid_current_pos, "; does not contain the GTID $saved_gtid.")) AS gtid_check;
--enable_query_log

--echo # Repeat this with additional transactions on the master

--connection server_1
--write_file $MYSQLTEST_VARDIR/tmp/mysqld.1.expect
wait
EOF

SET GLOBAL debug_dbug="+d,inject_error_writing_xid";
BEGIN;
INSERT INTO t1 VALUES (22);
--error ER_ERROR_ON_WRITE
COMMIT;
SET GLOBAL debug_dbug="+d,crash_dispatch_command_before";
--error 2006,2013
COMMIT;

--source include/wait_until_disconnected.inc

--append_file $MYSQLTEST_VARDIR/tmp/mysqld.1.expect
restart
EOF

--enable_reconnect
--source include/wait_until_connected_again.inc

INSERT INTO t1 VALUES (23);
INSERT INTO t1 VALUES (24);
--let $saved_gtid=`SELECT @@last_gtid`
SELECT * from t1 WHERE a > 10 ORDER BY a;
--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 # Repeat this with slave restart

--connection server_1
--write_file $MYSQLTEST_VARDIR/tmp/mysqld.1.expect
wait
EOF

SET GLOBAL debug_dbug="+d,inject_error_writing_xid";
BEGIN;
INSERT INTO t1 VALUES (25);
--error ER_ERROR_ON_WRITE
COMMIT;
SET GLOBAL debug_dbug="+d,crash_dispatch_command_before";
--error 2006,2013
COMMIT;

--source include/wait_until_disconnected.inc

--append_file $MYSQLTEST_VARDIR/tmp/mysqld.1.expect
restart
EOF

--connection server_1
--enable_reconnect
--source include/wait_until_connected_again.inc

--connection server_2
--echo # Wait 30 seconds for IO thread to connect and SQL thread to catch up
--echo # with IO thread.
--let $wait_timeout= 300
while ($wait_timeout != 0)
{
  --let $connected=`SELECT COUNT(*) > 0 FROM information_schema.processlist WHERE State = 'Waiting for master to send event'`
  if ($connected)
  {
    --let $read_log_pos= query_get_value('SHOW SLAVE STATUS', Read_Master_Log_Pos, 1)
    --let $exec_log_pos= query_get_value('SHOW SLAVE STATUS', Exec_Master_Log_Pos, 1)
    if ($read_log_pos == $exec_log_pos)
    {
      --let $wait_timeout= 0
    }
    if ($read_log_pos != $exec_log_pos)
    {
      --sleep 0.1
      --dec $wait_timeout
    }
  }
  if (!$connected)
  {
    --sleep 0.1
    --dec $wait_timeout
  }
}
if (`SELECT NOT $connected OR $read_log_pos != $exec_log_pos`)
{
  --die Timeout wait for IO thread to connect and SQL thread to catch up with IO thread
}

--source include/stop_slave.inc

--connection server_1
--disable_query_log
eval SELECT IF(INSTR(@@gtid_binlog_pos, '$saved_gtid'), "Binlog pos ok", CONCAT("Unexpected binlog pos: ", @@gtid_binlog_pos, "; does not contain the GTID $saved_gtid.")) AS gtid_check;
eval SELECT IF(INSTR(@@gtid_current_pos, '$saved_gtid'), "Current pos ok", CONCAT("Unexpected current pos: ", @@gtid_current_pos, "; does not contain the GTID $saved_gtid.")) AS gtid_check;
--enable_query_log
INSERT INTO t1 VALUES (26);
INSERT INTO t1 VALUES (27);
SELECT * from t1 WHERE a > 10 ORDER BY a;
--source include/save_master_gtid.inc

--connection server_2
--disable_query_log
eval SELECT IF(INSTR(@@gtid_binlog_pos, '$saved_gtid'), "Binlog pos ok", CONCAT("Unexpected binlog pos: ", @@gtid_binlog_pos, "; does not contain the GTID $saved_gtid.")) AS gtid_check;
eval SELECT IF(INSTR(@@gtid_slave_pos, '$saved_gtid'), "Slave pos ok", CONCAT("Unexpected slave pos: ", @@gtid_slave_pos, "; does not contain the GTID $saved_gtid.")) AS gtid_check;
eval SELECT IF(INSTR(@@gtid_current_pos, '$saved_gtid'), "Current pos ok", CONCAT("Unexpected current pos: ", @@gtid_current_pos, "; does not contain the GTID $saved_gtid.")) AS gtid_check;
--enable_query_log
--source include/start_slave.inc
--source include/sync_with_master_gtid.inc
SELECT * from t1 WHERE a > 10 ORDER BY a;


--echo *** MDEV-6391: GTID binlog state not recovered if mariadb-bin.state is removed ***

--connection server_2
--source include/stop_slave.inc

# Do some misc. transactions, stop the master, drop the master-bin.state file.
# Start the master back up, check that binlog state is correct.

--connection server_1

INSERT INTO t1 VALUES (30);
SET @old_server_id= @@server_id;
SET @old_domain_id= @@gtid_domain_id;

SET SESSION server_id= 10;
INSERT INTO t1 VALUES (31);
INSERT INTO t1 VALUES (32);
SET SESSION gtid_domain_id= 1;
SET SESSION server_id=11;
INSERT INTO t1 VALUES (33);
SET SESSION gtid_domain_id= 2;
INSERT INTO t1 VALUES (34);
SET SESSION server_id= 10;
INSERT INTO t1 VALUES (35);
INSERT INTO t1 VALUES (36);
SET SESSION gtid_domain_id= 0;
SET SESSION server_id= 12;
INSERT INTO t1 VALUES (37);
SET SESSION gtid_domain_id= @old_domain_id;
SET SESSION server_id= @old_server_id;
INSERT INTO t1 VALUES (38);
INSERT INTO t1 VALUES (39);
SELECT * FROM t1 WHERE a >= 30 ORDER BY a;
--source include/save_master_gtid.inc

--let OLD_STATE= `SELECT @@gtid_binlog_state`

--let $datadir= `SELECT @@datadir`

--write_file $MYSQLTEST_VARDIR/tmp/mysqld.1.expect
wait
EOF
shutdown_server 10;
--source include/wait_until_disconnected.inc

--remove_file $datadir/master-bin.state

--append_file $MYSQLTEST_VARDIR/tmp/mysqld.1.expect
restart
EOF
--enable_reconnect
--source include/wait_until_connected_again.inc

--let NEW_STATE= `SELECT @@gtid_binlog_state`

--perl
my $old= $ENV{'OLD_STATE'};
my $new= $ENV{'NEW_STATE'};
# Make them order-independent, for easy comparison.
$old= join(",", sort(split(",", $old)));
$new= join(",", sort(split(",", $new)));
die "ERROR: new binlog state '$new' differs from old '$old'\n"
  unless $old eq $new;
EOF

--connection server_2
--source include/start_slave.inc
--source include/sync_with_master_gtid.inc
SELECT * FROM t1 WHERE a >= 30 ORDER BY a;


--connection server_1
DROP TABLE t1;

--connection default
--enable_reconnect
--source include/wait_until_connected_again.inc

--source include/rpl_end.inc
