include/master-slave.inc
[connection master]
connection master;
set binlog_alter_two_phase=true;
CREATE OR REPLACE TABLE tab (
a int PRIMARY KEY,
b varchar(50 ),
c varchar(50 )
) CHARACTER SET =latin1 engine=innodb;
ALTER TABLE tab MODIFY COLUMN b varchar(100 ), algorithm=instant;
ALTER TABLE tab MODIFY COLUMN c varchar(100 ), algorithm=nocopy;
SHOW CREATE TABLE tab;
Table Create Table
tab CREATE TABLE `tab` (
`a` int(11 ) NOT NULL,
`b` varchar(100 ) DEFAULT NULL,
`c` varchar(100 ) DEFAULT NULL,
PRIMARY KEY (`a`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
include/show_binlog_events.inc
Log_name Pos Event_type Server_id End_log_pos Info
master-bin.000001 # Gtid # # GTID #-#-#
master-bin.000001 # Query # # use `test`; CREATE OR REPLACE TABLE tab (
a int PRIMARY KEY,
b varchar(50 ),
c varchar(50 )
) CHARACTER SET =latin1 engine=innodb
master-bin.000001 # Gtid # # GTID #-#-# START ALTER
master-bin.000001 # Query # # use `test`; ALTER TABLE tab MODIFY COLUMN b varchar(100), algorithm=instant
master-bin.000001 # Gtid # # GTID #-#-# COMMIT ALTER id=#
master-bin.000001 # Query # # use `test`; ALTER TABLE tab MODIFY COLUMN b varchar(100), algorithm=instant
master-bin.000001 # Gtid # # GTID #-#-# START ALTER
master-bin.000001 # Query # # use `test`; ALTER TABLE tab MODIFY COLUMN c varchar(100), algorithm=nocopy
master-bin.000001 # Gtid # # GTID #-#-# COMMIT ALTER id=#
master-bin.000001 # Query # # use `test`; ALTER TABLE tab MODIFY COLUMN c varchar(100), algorithm=nocopy
connection slave;
SHOW CREATE TABLE tab;
Table Create Table
tab CREATE TABLE `tab` (
`a` int(11 ) NOT NULL,
`b` varchar(100 ) DEFAULT NULL,
`c` varchar(100 ) DEFAULT NULL,
PRIMARY KEY (`a`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
include/show_binlog_events.inc
Log_name Pos Event_type Server_id End_log_pos Info
slave-bin.000001 # Gtid # # GTID #-#-#
slave-bin.000001 # Query # # use `test`; CREATE OR REPLACE TABLE tab (
a int PRIMARY KEY,
b varchar(50 ),
c varchar(50 )
) CHARACTER SET =latin1 engine=innodb
slave-bin.000001 # Gtid # # GTID #-#-# START ALTER
slave-bin.000001 # Query # # use `test`; ALTER TABLE tab MODIFY COLUMN b varchar(100), algorithm=instant
slave-bin.000001 # Gtid # # GTID #-#-# COMMIT ALTER id=#
slave-bin.000001 # Query # # use `test`; ALTER TABLE tab MODIFY COLUMN b varchar(100), algorithm=instant
slave-bin.000001 # Gtid # # GTID #-#-# START ALTER
slave-bin.000001 # Query # # use `test`; ALTER TABLE tab MODIFY COLUMN c varchar(100), algorithm=nocopy
slave-bin.000001 # Gtid # # GTID #-#-# COMMIT ALTER id=#
slave-bin.000001 # Query # # use `test`; ALTER TABLE tab MODIFY COLUMN c varchar(100), algorithm=nocopy
connection master;
DROP TABLE tab;
connection slave;
include/rpl_end.inc
Messung V0.5 in Prozent C=66 H=95 G=81
¤ Dauer der Verarbeitung: 0.2 Sekunden
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