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MDEV-26: Global transaction ID.

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Change of user interface to be more logical and more in line with expectations
to work similar to old-style replication.

User can now explicitly choose in CHANGE MASTER whether binlog position is
taken into account (master_gtid_pos=current_pos) or not (master_gtid_pos=
slave_pos) when slave connects to master.

@@gtid_pos is replaced by three separate variables @@gtid_slave_pos (can
be set by user, replicated GTIDs only), @@gtid_binlog_pos (read only), and
@@gtid_current_pos (a combination of the two, most recent GTID within each
domain). mysql.rpl_slave_state is renamed to mysql.gtid_slave_pos to match.

This fixes MDEV-4474.
This commit is contained in:
unknown
2013-05-22 17:36:48 +02:00
parent d795bc9ff8
commit 1cd6eb5f94
84 changed files with 996 additions and 513 deletions
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45
mysql-test/suite/rpl/t/rpl_gtid_errorhandling.test
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@ -2,47 +2,47 @@
--source include/have_debug.inc
--source include/master-slave.inc
--echo *** Test that we check against incorrect table definition for mysql.rpl_slave_state ***
--echo *** Test that we check against incorrect table definition for mysql.gtid_slave_pos ***
--connection master
CREATE TABLE t1(a INT PRIMARY KEY) ENGINE=InnoDB;
--sync_slave_with_master
--connection slave
--source include/stop_slave.inc
ALTER TABLE mysql.rpl_slave_state CHANGE seq_no seq_no VARCHAR(20);
ALTER TABLE mysql.gtid_slave_pos CHANGE seq_no seq_no VARCHAR(20);
START SLAVE;
--connection master
INSERT INTO t1 VALUES (1);
--connection slave
CALL mtr.add_suppression("Slave: Failed to open mysql.rpl_slave_state");
CALL mtr.add_suppression("Slave: Failed to open mysql.gtid_slave_pos");
--let $slave_sql_errno=1942
--source include/wait_for_slave_sql_error.inc
--source include/stop_slave.inc
ALTER TABLE mysql.rpl_slave_state CHANGE seq_no seq_no BIGINT UNSIGNED NOT NULL;
ALTER TABLE mysql.rpl_slave_state DROP PRIMARY KEY;
ALTER TABLE mysql.rpl_slave_state ADD PRIMARY KEY (sub_id, domain_id);
ALTER TABLE mysql.gtid_slave_pos CHANGE seq_no seq_no BIGINT UNSIGNED NOT NULL;
ALTER TABLE mysql.gtid_slave_pos DROP PRIMARY KEY;
ALTER TABLE mysql.gtid_slave_pos ADD PRIMARY KEY (sub_id, domain_id);
START SLAVE;
--let $slave_sql_errno=1942
--source include/wait_for_slave_sql_error.inc
--source include/stop_slave.inc
ALTER TABLE mysql.rpl_slave_state DROP PRIMARY KEY;
ALTER TABLE mysql.gtid_slave_pos DROP PRIMARY KEY;
START SLAVE;
--let $slave_sql_errno=1942
--source include/wait_for_slave_sql_error.inc
--source include/stop_slave.inc
ALTER TABLE mysql.rpl_slave_state ADD PRIMARY KEY (sub_id);
ALTER TABLE mysql.gtid_slave_pos ADD PRIMARY KEY (sub_id);
START SLAVE;
--let $slave_sql_errno=1942
--source include/wait_for_slave_sql_error.inc
--source include/stop_slave.inc
ALTER TABLE mysql.rpl_slave_state DROP PRIMARY KEY;
ALTER TABLE mysql.rpl_slave_state ADD PRIMARY KEY (domain_id, sub_id);
ALTER TABLE mysql.gtid_slave_pos DROP PRIMARY KEY;
ALTER TABLE mysql.gtid_slave_pos ADD PRIMARY KEY (domain_id, sub_id);
--source include/start_slave.inc
--connection master
@ -69,13 +69,22 @@ INSERT INTO t1 VALUES (2);
SET sql_log_bin = 1;
INSERT INTO t1 VALUES (3);
CHANGE MASTER TO master_use_gtid=1;
--error ER_MASTER_GTID_POS_CONFLICTS_WITH_BINLOG
SET GLOBAL gtid_pos = "0-1-1";
--error ER_MASTER_GTID_POS_MISSING_DOMAIN
SET GLOBAL gtid_pos = "";
CHANGE MASTER TO master_use_gtid=current_pos;
# Most not change @@GLOBAL.gtid_slave_pos in the middle of a transaction.
BEGIN;
--error ER_CANT_DO_THIS_DURING_AN_TRANSACTION
SET GLOBAL gtid_slave_pos = "100-100-100";
INSERT INTO t1 VALUES (100);
--error ER_CANT_DO_THIS_DURING_AN_TRANSACTION
SET GLOBAL gtid_slave_pos = "100-100-100";
ROLLBACK;
# In gtid non-strict mode, we get warnings for setting @@gtid_slave_pos back
# to earlier than what is in the binlog.
SET GLOBAL gtid_slave_pos = "0-1-1";
SET GLOBAL gtid_slave_pos = "";
RESET MASTER;
SET GLOBAL gtid_pos = "0-1-1";
SET GLOBAL gtid_slave_pos = "0-1-1";
START SLAVE;
--let $wait_condition= SELECT COUNT(*) = 4 FROM t1
@ -85,7 +94,7 @@ SELECT * FROM t1 ORDER BY a;
--echo *** Test slave requesting a GTID that is not present in the master's binlog ***
--source include/stop_slave.inc
SET GLOBAL gtid_pos = "0-1-3";
SET GLOBAL gtid_slave_pos = "0-1-3";
START SLAVE;
SET sql_log_bin=0;
@ -98,7 +107,7 @@ SET sql_log_bin=1;
--let $rpl_only_running_threads= 1
--source include/stop_slave.inc
SET GLOBAL gtid_pos = "0-1-2";
SET GLOBAL gtid_slave_pos = "0-1-2";
START SLAVE;
--source include/wait_for_slave_to_start.inc