include/master-slave.inc
[connection master]
create database mysqltest;
create table mysqltest.t1 ( n int);
alter table mysqltest.t1 add m int;
insert into mysqltest.t1 values (1,2);
create table mysqltest.t2 (n int);
insert into mysqltest.t2 values (45);
rename table mysqltest.t2 to mysqltest.t3, mysqltest.t1 to mysqltest.t2;
select * from mysqltest.t2;
n	m
1	2
select * from mysqltest.t3;
n
45
drop database mysqltest;

# BUG#56226 Table map set to 0 after altering MyISAM table

SET SESSION binlog_format='ROW';
USE test;
CREATE TABLE t1 (a INT, b INT) ENGINE MyISAM;
CREATE TABLE t2 (a VARCHAR(255), b VARCHAR(255)) ENGINE MyISAM;
CREATE TRIGGER trg_t1ai 
AFTER INSERT ON t1 FOR EACH ROW 
BEGIN
INSERT INTO t2 (a) VALUES (NEW.a);
END;//
ALTER TABLE t1 CHANGE b c INT;
ALTER TABLE t2 CHANGE b c VARCHAR(255);

INSERT INTO t1 (a) VALUES(2);
include/diff_tables.inc [master:t1, slave:t1]
include/diff_tables.inc [master:t2, slave:t2]

DROP TABLE t1, t2;
include/rpl_end.inc