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MDEV-26: Global transaction ID.

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Fix things so that a master can switch with MASTER_GTID_POS=AUTO to a slave
that was previously running with log_slave_updates=0, by looking into the
slave replication state on the master when the slave requests something not
present in the binlog.

Be a bit more strict about what position the slave can ask for, to avoid some
easy-to-hit misconfiguration errors.

Start over with seq_no counter when RESET MASTER.
This commit is contained in:
unknown
2013-03-18 15:09:36 +01:00
parent 379819d8c0
commit 9d9ddad759
16 changed files with 843 additions and 145 deletions
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44
mysql-test/suite/rpl/r/rpl_gtid_errorhandling.result
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@@ -29,5 +29,49 @@ include/start_slave.inc
SELECT * FROM t1;
a
1
*** Test requesting an explicit GTID position that conflicts with newer GTIDs of our own in the binlog. ***
include/stop_slave.inc
RESET MASTER;
INSERT INTO t1 VALUES (2);
INSERT INTO t1 VALUES (4);
SET sql_log_bin = 0;
INSERT INTO t1 VALUES (2);
SET sql_log_bin = 1;
INSERT INTO t1 VALUES (3);
CHANGE MASTER TO master_gtid_pos = "0-1-1";
ERROR HY000: Requested MASTER_GTID_POS 0-1-1 conflicts with the binary log which contains a more recent GTID 0-2-11. To use the requested MASTER_GTID_POS, the old binlog must be removed with RESET MASTER to avoid out-of-order binlog
RESET MASTER;
CHANGE MASTER TO master_gtid_pos = "0-1-1";
START SLAVE;
SELECT * FROM t1 ORDER BY a;
a
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2
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*** Test slave requesting a GTID that is not present in the master's binlog ***
include/stop_slave.inc
CHANGE MASTER TO master_gtid_pos = "0-1-3";
START SLAVE;
SET sql_log_bin=0;
CALL mtr.add_suppression("Got fatal error .* from master when reading data from binary log: 'Error: connecting slave requested to start from GTID .*, which is not in the master's binlog'");
SET sql_log_bin=1;
include/wait_for_slave_io_error.inc [errno=1236]
Slave_IO_State = ''
Last_IO_Errno = '1236'
Last_IO_Error = 'Got fatal error 1236 from master when reading data from binary log: 'Error: connecting slave requested to start from GTID 0-1-3, which is not in the master's binlog''
Using_Gtid = '1'
include/stop_slave.inc
CHANGE MASTER TO master_gtid_pos = "0-1-2";
START SLAVE;
include/wait_for_slave_to_start.inc
INSERT INTO t1 VALUES (5);
SELECT * FROM t1 ORDER BY a;
a
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2
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DROP TABLE t1;
include/rpl_end.inc