--source include/have_innodb.inc
--let $rpl_topology=1->2->3->4
--source include/rpl_init.inc

# Set up a 4-deep replication topology, then test various fail-overs
# using GTID.
#
#  A -> B -> C -> D

connection server_1;
--source include/wait_for_binlog_checkpoint.inc
--let $binlog_file = query_get_value(SHOW MASTER STATUS,File,1)
--let $binlog_pos = query_get_value(SHOW MASTER STATUS,Position,1)
--echo *** GTID position should be empty here ***
--replace_result $binlog_file <BINLOG_FILE> $binlog_pos <BINLOG_POS> 
eval SELECT BINLOG_GTID_POS('$binlog_file',$binlog_pos);

CREATE TABLE t1 (a INT PRIMARY KEY, b VARCHAR(10)) ENGINE=MyISAM;
CREATE TABLE t2 (a INT PRIMARY KEY, b VARCHAR(10)) ENGINE=InnoDB;
INSERT INTO t1 VALUES (1, "m1");
INSERT INTO t1 VALUES (2, "m2"), (3, "m3"), (4, "m4");
INSERT INTO t2 VALUES (1, "i1");
BEGIN;
INSERT INTO t2 VALUES (2, "i2"), (3, "i3");
INSERT INTO t2 VALUES (4, "i4");
COMMIT;
save_master_pos;
source include/wait_for_binlog_checkpoint.inc;
--let $binlog_file = query_get_value(SHOW MASTER STATUS,File,1)
--let $binlog_pos = query_get_value(SHOW MASTER STATUS,Position,1)
--let $gtid_pos_server_1 = `SELECT @@gtid_binlog_pos`
--echo *** GTID position should be non-empty here ***
--replace_result $binlog_file <BINLOG_FILE> $binlog_pos <BINLOG_POS> $gtid_pos_server_1 <GTID_POS_SERVER_1>
eval SELECT BINLOG_GTID_POS('$binlog_file',$binlog_pos);

connection server_2;
sync_with_master;
source include/wait_for_binlog_checkpoint.inc;
--let $binlog_file = query_get_value(SHOW MASTER STATUS,File,1)
--let $binlog_pos = query_get_value(SHOW MASTER STATUS,Position,1)
--echo *** GTID position should be the same as on server_1 ***
--replace_result $binlog_file <BINLOG_FILE> $binlog_pos <BINLOG_POS> $gtid_pos_server_1 <GTID_POS_SERVER_1>
eval SELECT BINLOG_GTID_POS('$binlog_file',$binlog_pos);
SELECT * FROM t1 ORDER BY a;
SELECT * FROM t2 ORDER BY a;
save_master_pos;

connection server_3;
sync_with_master;
SELECT * FROM t1 ORDER BY a;
SELECT * FROM t2 ORDER BY a;
save_master_pos;

connection server_4;
sync_with_master;
SELECT * FROM t1 ORDER BY a;
SELECT * FROM t2 ORDER BY a;


--echo *** Now take out D, let it fall behind a bit, and then test re-attaching it to A ***
connection server_4;
--source include/stop_slave.inc

connection server_1;
INSERT INTO t1 VALUES (5, "m1a");
INSERT INTO t2 VALUES (5, "i1a");
save_master_pos;

connection server_4;
--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;
--source include/start_slave.inc
sync_with_master;
SELECT * FROM t1 ORDER BY a;
SELECT * FROM t2 ORDER BY a;

--echo *** Now move B to D (C is still replicating from B) ***
connection server_2;
--source include/stop_slave.inc
--replace_result $SERVER_MYPORT_4 SERVER_MYPORT_4
eval CHANGE MASTER TO master_host = '127.0.0.1', master_port = $SERVER_MYPORT_4,
     MASTER_USE_GTID=CURRENT_POS;
--source include/start_slave.inc

connection server_4;
UPDATE t2 SET b="j1a" WHERE a=5;
save_master_pos;

connection server_2;
sync_with_master;
SELECT * FROM t1 ORDER BY a;
SELECT * FROM t2 ORDER BY a;

--echo *** Now move C to D, after letting it fall a little behind ***
connection server_3;
--source include/stop_slave.inc

connection server_1;
BEGIN;
INSERT INTO t2 VALUES (6, "i6b");
INSERT INTO t2 VALUES (7, "i7b");
COMMIT;

connection server_3;
--replace_result $SERVER_MYPORT_4 SERVER_MYPORT_4
eval CHANGE MASTER TO master_host = '127.0.0.1', master_port = $SERVER_MYPORT_4,
     MASTER_USE_GTID=CURRENT_POS;
--source include/start_slave.inc
# This time, let's sync up without reference to binlog on D.
--let $wait_condition= SELECT COUNT(*) = 7 FROM t2
--source include/wait_condition.inc
SELECT * FROM t2 ORDER BY a;

--echo *** Now change everything back to what it was, to make rpl_end.inc happy
# Also check that MASTER_USE_GTID=CURRENT_POS is still enabled.
connection server_2;
# We need to sync up server_2 before switching. If it happened to have reached
# the point 'UPDATE t2 SET b="j1a" WHERE a=5' it will fail to connect to
# server_1, which is (deliberately) missing that transaction.
--let $wait_condition= SELECT COUNT(*) = 7 FROM t2
--source include/wait_condition.inc
--source include/stop_slave.inc
--replace_result $MASTER_MYPORT MASTER_MYPORT
eval CHANGE MASTER TO master_host = '127.0.0.1', master_port = $MASTER_MYPORT;
--source include/start_slave.inc
--source include/wait_for_slave_to_start.inc

connection server_3;
--source include/stop_slave.inc
--replace_result $SLAVE_MYPORT SLAVE_MYPORT
eval CHANGE MASTER TO master_host = '127.0.0.1', master_port = $SLAVE_MYPORT;
--source include/start_slave.inc
--let $wait_condition= SELECT COUNT(*) = 7 FROM t2
--source include/wait_condition.inc

connection server_4;
--source include/stop_slave.inc
--replace_result $SERVER_MYPORT_3 SERVER_MYPORT_3
eval CHANGE MASTER TO master_host = '127.0.0.1', master_port = $SERVER_MYPORT_3;
--source include/start_slave.inc

connection server_1;
DROP TABLE t1,t2;

--echo *** A few more checks for BINLOG_GTID_POS function ***
--let $valid_binlog_name = query_get_value(SHOW BINARY LOGS,Log_name,1)
--error ER_WRONG_PARAMCOUNT_TO_NATIVE_FCT
SELECT BINLOG_GTID_POS();
--error ER_WRONG_PARAMCOUNT_TO_NATIVE_FCT
SELECT BINLOG_GTID_POS('a');
--error ER_WRONG_PARAMCOUNT_TO_NATIVE_FCT
SELECT BINLOG_GTID_POS('a',1,NULL);
SELECT BINLOG_GTID_POS(1,'a');
SELECT BINLOG_GTID_POS(NULL,NULL);
SELECT BINLOG_GTID_POS('',1);
SELECT BINLOG_GTID_POS('a',1);
eval SELECT BINLOG_GTID_POS('$valid_binlog_name',-1);
eval SELECT BINLOG_GTID_POS('$valid_binlog_name',0);
eval SELECT BINLOG_GTID_POS('$valid_binlog_name',18446744073709551615);
eval SELECT BINLOG_GTID_POS('$valid_binlog_name',18446744073709551616);


--echo *** Some tests of @@GLOBAL.gtid_binlog_state ***
--connection server_2
--source include/stop_slave.inc

--connection server_1
SET @old_state= @@GLOBAL.gtid_binlog_state;

--error ER_BINLOG_MUST_BE_EMPTY
SET GLOBAL gtid_binlog_state = '';
RESET MASTER;
SET GLOBAL gtid_binlog_state = '';
FLUSH LOGS;
--source include/show_binary_logs.inc
SET GLOBAL gtid_binlog_state = '0-1-10,1-2-20,0-3-30';
--source include/show_binary_logs.inc
--let $binlog_file= master-bin.000001
--let $binlog_start= 4
--source include/show_binlog_events.inc
SELECT @@GLOBAL.gtid_binlog_pos;
SELECT @@GLOBAL.gtid_binlog_state;
--error ER_BINLOG_MUST_BE_EMPTY
SET GLOBAL gtid_binlog_state = @old_state;
RESET MASTER;
SET GLOBAL gtid_binlog_state = @old_state;

# Check that slave can reconnect again, despite the RESET MASTER, as we
# restored the state.

CREATE TABLE t1 (a INT PRIMARY KEY);
SET gtid_seq_no=100;
INSERT INTO t1 VALUES (1);
--let $master_pos= `SELECT @@GLOBAL.gtid_binlog_pos`

--connection server_2
--source include/start_slave.inc
# We cannot just use sync_with_master as we've done RESET MASTER, so
# slave old-style position is wrong.
# So sync on gtid position instead.
--let $wait_condition= SELECT @@GLOBAL.gtid_binlog_pos = '$master_pos'
--source include/wait_condition.inc

SELECT * FROM t1;
# Check that the IO gtid position in SHOW SLAVE STATUS is also correct.
--let $status_items= Gtid_IO_Pos
--source include/show_slave_status.inc

--connection server_1
DROP TABLE t1;


--source include/rpl_end.inc