stop slave;
drop table if exists t1,t2,t3,t4,t5,t6,t7,t8,t9;
reset master;
reset slave;
drop table if exists t1,t2,t3,t4,t5,t6,t7,t8,t9;
start slave;
**** On Master ****
CREATE USER dummy@localhost;
CREATE USER dummy1@localhost, dummy2@localhost;
SELECT user, host FROM mysql.user WHERE user != 'root';
user	host
dummy	localhost
dummy1	localhost
dummy2	localhost
SELECT COUNT(*) FROM mysql.user WHERE user != 'root' or (host != 'localhost' and host != @hostname);
COUNT(*)
3
**** On Slave ****
SELECT user,host FROM mysql.user WHERE user != 'root';
user	host
dummy	localhost
dummy1	localhost
dummy2	localhost
SELECT COUNT(*) FROM mysql.user WHERE user != 'root' or (host != 'localhost' and host != @hostname);
COUNT(*)
3
**** On Master ****
DROP USER nonexisting@localhost;
ERROR HY000: Operation DROP USER failed for 'nonexisting'@'localhost'
DROP USER nonexisting@localhost, dummy@localhost;
ERROR HY000: Operation DROP USER failed for 'nonexisting'@'localhost'
DROP USER dummy1@localhost, dummy2@localhost;
SELECT user, host FROM mysql.user WHERE user != 'root';
user	host
SELECT COUNT(*) FROM mysql.user WHERE user != 'root' or (host != 'localhost' and host != @hostname);
COUNT(*)
0
**** On Slave ****
SELECT user,host FROM mysql.user WHERE user != 'root';
user	host
SELECT COUNT(*) FROM mysql.user WHERE user != 'root' or (host != 'localhost' and host != @hostname);
COUNT(*)
0
SHOW SLAVE STATUS;
Slave_IO_State	#
Master_Host	127.0.0.1
Master_User	root
Master_Port	MASTER_PORT
Connect_Retry	1
Master_Log_File	master-bin.000001
Read_Master_Log_Pos	515
Relay_Log_File	#
Relay_Log_Pos	#
Relay_Master_Log_File	master-bin.000001
Slave_IO_Running	Yes
Slave_SQL_Running	Yes
Replicate_Do_DB	
Replicate_Ignore_DB	
Replicate_Do_Table	
Replicate_Ignore_Table	
Replicate_Wild_Do_Table	
Replicate_Wild_Ignore_Table	
Last_Errno	0
Last_Error	
Skip_Counter	0
Exec_Master_Log_Pos	515
Relay_Log_Space	#
Until_Condition	None
Until_Log_File	
Until_Log_Pos	0
Master_SSL_Allowed	No
Master_SSL_CA_File	
Master_SSL_CA_Path	
Master_SSL_Cert	
Master_SSL_Cipher	
Master_SSL_Key	
Seconds_Behind_Master	#