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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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47
mysql-test/suite/sys_vars/r/gtid_slave_pos_basic.result Normal file
View File

@@ -0,0 +1,47 @@
SET @old_gtid_slave_pos= @@gtid_slave_pos;
SET GLOBAL gtid_slave_pos= '';
SELECT @@gtid_slave_pos;
@@gtid_slave_pos
SET GLOBAL gtid_slave_pos= '1-2-3';
SELECT variable_value FROM information_schema.global_variables
WHERE variable_name='gtid_slave_pos';
variable_value
1-2-3
SET @@global.gtid_slave_pos= '1-2-4';
SELECT @@gtid_slave_pos;
@@gtid_slave_pos
1-2-4
SET GLOBAL gtid_slave_pos= ' 1-2-3';
SELECT @@gtid_slave_pos;
@@gtid_slave_pos
1-2-3
SET GLOBAL gtid_slave_pos= '1-2-3, 2-4-6';
SELECT @@gtid_slave_pos;
@@gtid_slave_pos
1-2-3,2-4-6
SET GLOBAL gtid_slave_pos= '-1-2-3';
ERROR HY000: Could not parse GTID list for GTID_POS
SET GLOBAL gtid_slave_pos= '1-2 -3';
ERROR HY000: Could not parse GTID list for GTID_POS
SET GLOBAL gtid_slave_pos= '1-2-3 ';
ERROR HY000: Could not parse GTID list for GTID_POS
SET GLOBAL gtid_slave_pos= '1-2-3,2-4';
ERROR HY000: Could not parse GTID list for GTID_POS
SET GLOBAL gtid_slave_pos= '0-1-10,0-2-20';
ERROR HY000: GTID 0-2-20 and 0-1-10 conflict (duplicate domain id 0)
SET GLOBAL gtid_slave_pos= '0-1-10,1-2-20,2-3-30,1-20-200,3-4-1';
ERROR HY000: GTID 1-20-200 and 1-2-20 conflict (duplicate domain id 1)
SET gtid_slave_pos= '';
ERROR HY000: Variable 'gtid_slave_pos' is a GLOBAL variable and should be set with SET GLOBAL
SET SESSION gtid_slave_pos= '';
ERROR HY000: Variable 'gtid_slave_pos' is a GLOBAL variable and should be set with SET GLOBAL
SET GLOBAL gtid_slave_pos= '1-2-3,2-4-6';
SELECT @@gtid_slave_pos;
@@gtid_slave_pos
1-2-3,2-4-6
SET GLOBAL gtid_slave_pos= DEFAULT;
ERROR 42000: Variable 'gtid_slave_pos' doesn't have a default value
SELECT @@session.gtid_slave_pos;
ERROR HY000: Variable 'gtid_slave_pos' is a GLOBAL variable
SET GLOBAL gtid_slave_pos= @old_gtid_slave_pos;