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include/master-slave.inc
Warnings:
Note #### Sending passwords in plain text without SSL/TLS is extremely insecure.
Note #### Storing MySQL user name or password information in the master info repository is not secure and is therefore not recommended. Please consider using the USER and PASSWORD connection options for START SLAVE; see the 'START SLAVE Syntax' in the MySQL Manual for more information.
[connection master]
#
# Bug#11940249: RBR: MYISAM TABLE CORRUPTION AFTER FIRST LARGE INSERT
# ON SLAVE
#
# Must have > 100 rows in the first rpl event (to trigger bulk_insert
# optimization for insert into an empty table, by disable all non-unique
# indexes and recreate them afterwards.)
# and then it must be a second rpl event for the same insert (i.e.
# during the same lock).
# Note that --binlog-row-event-max-size=1024 is set in the .opt files
# to enforce the default size.
CREATE TABLE tmp (a VARCHAR(10), b INT) ENGINE=Memory;
INSERT INTO tmp VALUES ('aZa', 1), ('zAz', 2), ('M', 3);
INSERT INTO tmp SELECT * FROM tmp;
INSERT INTO tmp SELECT * FROM tmp;
INSERT INTO tmp SELECT * FROM tmp;
INSERT INTO tmp SELECT * FROM tmp;
INSERT INTO tmp SELECT * FROM tmp;
INSERT INTO tmp SELECT * FROM tmp;
CREATE TABLE t
(a VARCHAR(10),
b INT,
KEY a (a))
ENGINE = MyISAM;
INSERT INTO t SELECT * FROM tmp;
# on slave:
SELECT COUNT(*) FROM t WHERE b > -1;
COUNT(*)
192
# on master:
include/show_binlog_events.inc
Log_name Pos Event_type Server_id End_log_pos Info
master-bin.000001 # Query # # BEGIN
master-bin.000001 # Table_map # # table_id: # (test.t)
master-bin.000001 # Write_rows # # table_id: #
master-bin.000001 # Write_rows # # table_id: # flags: STMT_END_F
master-bin.000001 # Query # # COMMIT
RENAME TABLE t to t_2;
RENAME TABLE t_2 to t;
# on slave:
SELECT COUNT(*) FROM t WHERE b > -1;
COUNT(*)
192
CHECK TABLE t;
Table Op Msg_type Msg_text
test.t check status OK
REPAIR TABLE t;
Table Op Msg_type Msg_text
test.t repair status OK
SELECT COUNT(*) FROM t WHERE b > -1;
COUNT(*)
192
include/diff_tables.inc [master:t, slave:t]
DROP TABLE t, tmp;
include/rpl_end.inc