connect  master,127.0.0.1,root,,test,$MASTER_MYPORT,;
connect  slave,127.0.0.1,root,,test,$SLAVE_MYPORT,;
connection master;
CREATE DATABASE federated;
connection slave;
CREATE DATABASE federated;
connection master;
CREATE TABLE t1 (a INT) ENGINE=FEDERATED CONNECTION='non_existing';
ERROR HY000: server name: 'non_existing' doesn't exist!
SHOW WARNINGS;
Level	Code	Message
Error	1	server name: 'non_existing' doesn't exist!
Error	1	Can't create/write to file 'non_existing' (Errcode: 14 "Bad address")
Warning	1030	Got error 1 "Operation not permitted" from storage engine FEDERATED
create table t1 (a int);
create table fed (a int) engine=Federated CONNECTION='mysql://root@127.0.0.1:MASTER_PORT/test/t1';
drop table t1;
select * from fed;
Got one of the listed errors
drop table fed;
connection master;
DROP TABLE IF EXISTS federated.t1;
DROP DATABASE IF EXISTS federated;
connection slave;
DROP TABLE IF EXISTS federated.t1;
DROP DATABASE IF EXISTS federated;