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https://github.com/MariaDB/server.git
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60 lines
1.8 KiB
Text
60 lines
1.8 KiB
Text
include/master-slave.inc
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[connection master]
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connection slave;
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include/stop_slave.inc
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SET @@global.slave_parallel_threads=4;
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SET @@global.slave_parallel_mode=optimistic;
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CHANGE MASTER TO master_use_gtid=slave_pos;
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SET @@global.debug_dbug="+d,at_write_start_alter";
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include/start_slave.inc
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connection master;
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SET @@session.binlog_alter_two_phase=true;
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CREATE TABLE t1 (a INT) ENGINE=innodb;
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include/save_master_gtid.inc
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connection slave;
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include/sync_with_master_gtid.inc
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connection master;
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SET @@session.alter_algorithm='INSTANT';
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SET @@session.gtid_domain_id=11;
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ALTER TABLE t1 ADD COLUMN b int;
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# START Alter having exclusive lock is waiting for the signal
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connection slave;
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# FTWRL is sent first to wait for SA
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connection slave1;
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FLUSH TABLES WITH READ LOCK;
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# SA completes
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connection slave;
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set DEBUG_SYNC= "now signal alter_cont";
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connection slave1;
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connection slave;
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# Release CA
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connection slave1;
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UNLOCK TABLES;
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connection master;
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connection slave;
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SHOW CREATE TABLE t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`a` int(11) DEFAULT NULL,
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`b` int(11) DEFAULT NULL
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) ENGINE=InnoDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
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include/show_binlog_events.inc
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Log_name Pos Event_type Server_id End_log_pos Info
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slave-bin.000001 # Gtid # # GTID #-#-#
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slave-bin.000001 # Query # # use `test`; CREATE TABLE t1 (a INT) ENGINE=innodb
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slave-bin.000001 # Gtid # # GTID #-#-# START ALTER
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slave-bin.000001 # Query # # use `test`; ALTER TABLE t1 ADD COLUMN b int
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slave-bin.000001 # Gtid # # GTID #-#-# COMMIT ALTER id=#
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slave-bin.000001 # Query # # use `test`; ALTER TABLE t1 ADD COLUMN b int
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connection master;
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DROP TABLE t1;
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connection slave;
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# cleanup
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connection slave;
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set DEBUG_SYNC = RESET;
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include/stop_slave.inc
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set global slave_parallel_threads = 0;
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set global slave_parallel_mode = optimistic;
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set @@global.debug_dbug = "";
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include/start_slave.inc
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include/rpl_end.inc
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