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MDEV-26: Global transaction id: Intermediate commit.

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Now slave can connect to master, sending start position as slave state
rather than old-style binlog name/position.

This enables to switch to a new master by changing just connection
information, replication slave GTID state ensures that slave starts
at the correct point in the new master.
This commit is contained in:
unknown
2012-11-15 13:11:35 +01:00
parent 3e798b033a
commit bdbce30dee
6 changed files with 591 additions and 9 deletions
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6
scripts/mysql_system_tables.sql
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@@ -20,6 +20,12 @@
--
set sql_mode='';
-- We want this to be created with the default storage engine.
-- This way, if InnoDB is used we get crash safety, and if MyISAM is used
-- we avoid mixed-engine transactions.
CREATE TABLE IF NOT EXISTS rpl_slave_state (domain_id INT UNSIGNED NOT NULL, sub_id BIGINT UNSIGNED NOT NULL, server_id INT UNSIGNED NOT NULL, seq_no BIGINT UNSIGNED NOT NULL, PRIMARY KEY (domain_id, sub_id)) comment='Replication slave GTID state';
set storage_engine=myisam;
flush tables;