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

--echo *** Test connecting with empty GTID state to start from very beginning of binlog ***
--connection server_2
--source include/stop_slave.inc
RESET MASTER;
RESET SLAVE;

--connection server_1
RESET MASTER;
# Create an empty binlog file, to check that empty binlog state is handled correctly.
FLUSH LOGS;
CREATE TABLE t1 (a INT PRIMARY KEY) ENGINE=InnoDB;
--save_master_pos

--connection server_2
SET GLOBAL gtid_slave_pos="";
--replace_result $MASTER_MYPORT MASTER_PORT
eval CHANGE MASTER TO master_host = '127.0.0.1', master_port = $MASTER_MYPORT,
     MASTER_USE_GTID=SLAVE_POS;
--source include/start_slave.inc
--sync_with_master
SELECT * FROM t1;

--connection server_1
INSERT INTO t1 VALUES (1);
--save_master_pos

--connection server_2
--sync_with_master
SELECT * FROM t1;
--source include/stop_slave.inc

--echo *** Test that master gives error when slave asks for empty gtid pos and binlog files have been purged. ***
--connection server_1
FLUSH LOGS;
INSERT INTO t1 VALUES (2);
--save_master_pos
--let $purge_binlogs_to=master-bin.000003
--source include/wait_for_purge.inc
--source include/show_binary_logs.inc

--connection server_2
SET GLOBAL gtid_slave_pos="";
--replace_result $MASTER_MYPORT MASTER_PORT
eval CHANGE MASTER TO master_host = '127.0.0.1', master_port = $MASTER_MYPORT,
     MASTER_USE_GTID=SLAVE_POS;
START SLAVE;
--let $slave_io_errno= 1236
--source include/wait_for_slave_io_error.inc
--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_LOG_FILE="master-bin.000003", MASTER_LOG_POS=4, MASTER_USE_GTID=NO;
--source include/start_slave.inc
--sync_with_master
SELECT * FROM t1 ORDER BY a;
SET sql_log_bin=0;
call mtr.add_suppression('Could not find GTID state requested by slave in any binlog files');
SET sql_log_bin=1;

--echo *** Test that we give warning when explict @@gtid_slave_pos=xxx that conflicts with what is in our binary log ***
--source include/stop_slave.inc

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

--connection server_2
SET GLOBAL gtid_slave_pos='0-1-3';
--replace_result $MASTER_MYPORT MASTER_PORT
eval CHANGE MASTER TO master_host = '127.0.0.1', master_port = $MASTER_MYPORT,
     MASTER_USE_GTID=SLAVE_POS;
--source include/start_slave.inc
--source include/sync_with_master_gtid.inc
SELECT * FROM t1 ORDER by a;
--source include/stop_slave.inc

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

--connection server_2
# Now add some local transactions that conflict with the GTID position
# being set for @@gtid_slave_pos.
INSERT INTO t1 VALUES (10);
DELETE FROM t1 WHERE a=10;
SET GLOBAL gtid_slave_pos='0-1-4';

# Try again after RESET MASTER to remove the conflicting binlog.
RESET MASTER;
SET GLOBAL gtid_slave_pos='0-1-4';
START SLAVE;
--source include/sync_with_master_gtid.inc
SELECT * FROM t1 ORDER by a;

--connection server_1
DROP TABLE t1;
--save_master_pos

--connection server_2
--sync_with_master


--echo *** MDEV-4275: I/O thread restart duplicates events in relay log ***

--connection server_2
--source include/stop_slave.inc
RESET SLAVE ALL;
RESET MASTER;

--connection server_1
RESET MASTER;

--connection server_2
SET GLOBAL gtid_slave_pos='';
--replace_result $MASTER_MYPORT MASTER_PORT
eval CHANGE MASTER TO master_host='127.0.0.1', master_port=$MASTER_MYPORT, master_user='root', master_use_gtid=slave_pos;
--source include/start_slave.inc

--connection server_1
CREATE TABLE t1 (a INT PRIMARY KEY);
INSERT INTO t1 VALUES (1);
--save_master_pos

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

--source include/stop_slave_io.inc
START SLAVE IO_THREAD;
--source include/wait_for_slave_io_to_start.inc

--connection server_1
INSERT INTO t1 VALUES (2);
--save_master_pos

--connection server_2
--sync_with_master

SELECT * FROM t1 ORDER BY a;


--echo *** MDEV-4329: GTID_SLAVE_POS='' is not checked for conflicts with binlog ***

# Test starting the slave completely from scratch, deleting all tables and
# replicating from the start of the master's binlog. This requires RESET
# MASTER is run on the slave to avoid old junk in the binlog. The bug was
# that the code did not catch the error of missing RESET MASTER when an
# empty GTID_SLAVE_POS='' was specified.

--connection server_2
--source include/stop_slave.inc
DROP TABLE t1;
RESET SLAVE;
SET GLOBAL gtid_slave_pos="";
RESET MASTER;
SET GLOBAL gtid_slave_pos="";

--source include/start_slave.inc
--sync_with_master
SELECT * FROM t1 ORDER BY a;


# Same thing, but this time using SQL_LOG_BIN=0 to avoid polluting the
# slave binlog.

--connection server_2
--source include/stop_slave.inc
SET SQL_LOG_BIN=0;
DROP TABLE t1;
SET SQL_LOG_BIN=1;
RESET SLAVE;
SET GLOBAL gtid_slave_pos="";
# Ensure that the slave fails because of missing table to be dropped
SET @save_slave_ddl_exec_mode=@@global.slave_ddl_exec_mode;
SET GLOBAL slave_ddl_exec_mode=STRICT;

--source include/start_slave.inc
--sync_with_master
SELECT * FROM t1 ORDER BY a;

--echo *** Test that RESET SLAVE clears the Using_Gtid flag. ***
--source include/stop_slave.inc
--let $master_use_gtid_option= No
--source include/reset_slave.inc
--let $status_items= Using_Gtid
--source include/show_slave_status.inc

# Starting the slave now reverts to old-style position which defaults to
# the first non-purged binlog file on the master.
# This should give error due to table already existing.
START SLAVE;
--let $slave_sql_errno= 1050
--source include/wait_for_slave_sql_error.inc

# Going back to using GTID should fix things.
STOP SLAVE IO_THREAD;
CHANGE MASTER TO MASTER_USE_GTID=SLAVE_POS;
--source include/start_slave.inc

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

--connection server_2
--source include/sync_with_master_gtid.inc
SELECT * FROM t1 ORDER BY a;
SET SQL_LOG_BIN=0;
call mtr.add_suppression("Slave: Table 't1' already exists error.* 1050");
SET SQL_LOG_BIN=1;


--echo *** Test reconnecting slave with GTID after purge logs on master. ***

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

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

--connection server_1
FLUSH LOGS;
FLUSH LOGS;
--let $purge_binlogs_to=master-bin.000004
--source include/wait_for_purge.inc
--source include/show_binary_logs.inc
INSERT INTO t1 VALUES (5);
--source include/save_master_gtid.inc

--connection server_2
--replace_result $MASTER_MYPORT MASTER_PORT
eval CHANGE MASTER TO master_host = '127.0.0.1', master_port = $MASTER_MYPORT;
--source include/start_slave.inc
--source include/sync_with_master_gtid.inc
SELECT * FROM t1 ORDER BY a;


--echo *** Test modifying binlog on slave and the effect on GTID state. ***

--connection server_2
--source include/stop_slave.inc
RESET MASTER;
SET GLOBAL gtid_slave_pos="";

--connection server_1
RESET MASTER;
TRUNCATE TABLE t1;
INSERT INTO t1 VALUES (10);   # Will be GTID 0-1-2
--source include/save_master_gtid.inc

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

SELECT * FROM t1;
--let $value= query_get_value(SHOW SLAVE STATUS, "Using_Gtid", 1)
eval SELECT '$value' AS Using_Gtid;
--let $value= query_get_value(SHOW ALL SLAVES STATUS, "Gtid_Slave_Pos", 1)
eval SELECT '$value' AS Gtid_Slave_Pos;

UPDATE t1 SET a=9 WHERE a=10;
UPDATE t1 SET a=10 WHERE a=9;

--let $value= query_get_value(SHOW ALL SLAVES STATUS, "Gtid_Slave_Pos", 1)
eval SELECT '$value' AS Gtid_Slave_Pos;

--source include/stop_slave.inc
SET GLOBAL gtid_slave_pos='0-1-2';
RESET MASTER;
--let $value= query_get_value(SHOW ALL SLAVES STATUS, "Gtid_Slave_Pos", 1)
eval SELECT '$value' AS Gtid_Slave_Pos;
SET GLOBAL gtid_slave_pos='0-1-2';
--source include/start_slave.inc
--let $value= query_get_value(SHOW ALL SLAVES STATUS, "Gtid_Slave_Pos", 1)
eval SELECT '$value' AS Gtid_Slave_Pos;


--echo *** MDEV-4483: Slave loses traditional master coordinates immediately on CHANGE MASTER TO MASTER_USE_GTID = 1 ***
--connection server_2
--source include/stop_slave.inc
DROP TABLE t1;
RESET SLAVE ALL;
CHANGE MASTER TO MASTER_USE_GTID=NO;
RESET MASTER;
SET GLOBAL gtid_slave_pos= "";

# Set up old-style replication. The bug was that CHANGE MASTER would clear
# out the old-style binlog/relaylog coordinates when it should not.

--replace_result $MASTER_MYPORT MASTER_PORT
eval CHANGE MASTER TO master_host='127.0.0.1', master_port=$MASTER_MYPORT, master_user='root', master_use_gtid=no, master_log_file="", master_log_pos= 4;

--connection server_1
DROP TABLE t1;
RESET MASTER;

CREATE TABLE t1 (a INT PRIMARY KEY);
--save_master_pos

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

--source include/stop_slave.inc

--connection server_1
INSERT INTO t1 VALUES (1);
--let $log_file1= query_get_value(SHOW MASTER STATUS, "File", 1)
--let $log_pos1= query_get_value(SHOW MASTER STATUS, "Position", 1)
INSERT INTO t1 VALUES (2);
--let $log_file2= query_get_value(SHOW MASTER STATUS, "File", 1)
--let $log_pos2= query_get_value(SHOW MASTER STATUS, "Position", 1)
--save_master_pos

--connection server_2
# Get the slave to a point where the IO thread has fetched one event ahead
# of the SQL thread (we want to test that CHANGE MASTER does not mess with
# existing relay logs).
--replace_result $log_file1 LOG_FILE1 $log_pos1 LOG_POS1
eval START SLAVE UNTIL master_log_file='$log_file1', master_log_pos=$log_pos1;
--source include/wait_for_slave_sql_to_stop.inc
SELECT * FROM t1;
--let $slave_param= Read_Master_Log_Pos
--let $slave_param_value= $log_pos2
--source include/wait_for_slave_param.inc
--source include/stop_slave_io.inc

# Test that we can change to GTID and back without loosing our
# old-style slave position.
CHANGE MASTER TO master_use_gtid=slave_pos;
# Unknown GTID, so slave will fail to connect.
SET GLOBAL gtid_slave_pos="0-42-42";
SET sql_log_bin=0;
call mtr.add_suppression("Error: connecting slave requested to start from GTID");
SET sql_log_bin=1;
START SLAVE;
--let $slave_io_errno= 1236
--source include/wait_for_slave_io_error.inc
STOP SLAVE SQL_THREAD;
--source include/wait_for_slave_sql_to_stop.inc
CHANGE MASTER TO master_use_gtid=no;

--source include/start_slave.inc
--sync_with_master
SELECT * FROM t1 ORDER BY a;

# Clean up.
--connection server_1
DROP TABLE t1;
--connection server_2
set @@global.slave_ddl_exec_mode=@save_slave_ddl_exec_mode;

--source include/rpl_end.inc