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MDEV-4483: CHANGE MASTER TO master_use_gtid=xxx looses old-style coordinates.

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There was some old code that cleared the position in CHANGE MASTER,
it was forgotten to be removed.

In addition, add code that saves/restores the old-style position
when we nuke the old relay logs as part of GTID slave start.
Normally we will not use these, but it could be useful in case
the GTID connect fails and user wants to go back to the old-style
coordinates.
This commit is contained in:
unknown
2013-06-07 08:43:21 +02:00
parent 4749d40c63
commit 7b6ab5638a
8 changed files with 129 additions and 14 deletions
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2
scripts/mysql_system_tables.sql
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@ -24,7 +24,7 @@ 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 gtid_slave_pos (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';
CREATE TABLE IF NOT EXISTS gtid_slave_pos (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 position';
set storage_engine=myisam;
flush tables;