include/master-slave.inc
[connection master]
connection master;
CREATE USER u1@localhost IDENTIFIED BY 'abcdefghijk';
connect  user_a, localhost, u1,'abcdefghijk',;
connection user_a;
SELECT CURRENT_USER;
CURRENT_USER
u1@localhost
disconnect user_a;
connection master;
CREATE USER IF NOT EXISTS u2@localhost;
connect  user_a, localhost, u2,,;
connection user_a;
SELECT CURRENT_USER;
CURRENT_USER
u2@localhost
disconnect user_a;
connection master;
SELECT user,password,plugin,authentication_string FROM mysql.user WHERE user LIKE 'u%' ;
User	Password	plugin	authentication_string
u1	*D9553C4CE316A9845CE49E30A2D7E3857AF966C4	mysql_native_password	*D9553C4CE316A9845CE49E30A2D7E3857AF966C4
u2		mysql_native_password	
connection slave;
SELECT user,password,plugin,authentication_string FROM mysql.user WHERE user LIKE 'u%' ;
User	Password	plugin	authentication_string
u1	*D9553C4CE316A9845CE49E30A2D7E3857AF966C4	mysql_native_password	*D9553C4CE316A9845CE49E30A2D7E3857AF966C4
u2		mysql_native_password	
connection master;
CREATE OR REPLACE USER u1@localhost IDENTIFIED BY 'abcdefghijk2';
connect  user_a, localhost, u1,'abcdefghijk2',;
connection user_a;
SELECT CURRENT_USER;
CURRENT_USER
u1@localhost
disconnect user_a;
connection master;
SELECT user,password,plugin,authentication_string FROM mysql.user WHERE user LIKE 'u%' ;
User	Password	plugin	authentication_string
u1	*A9A5EF53CE2EFAA6F4A746D63A917B2370971A7E	mysql_native_password	*A9A5EF53CE2EFAA6F4A746D63A917B2370971A7E
u2		mysql_native_password	
connection slave;
SELECT user,password,plugin,authentication_string FROM mysql.user WHERE user LIKE 'u%' ;
User	Password	plugin	authentication_string
u1	*A9A5EF53CE2EFAA6F4A746D63A917B2370971A7E	mysql_native_password	*A9A5EF53CE2EFAA6F4A746D63A917B2370971A7E
u2		mysql_native_password	
connection master;
CREATE USER u1@localhost;
ERROR HY000: Operation CREATE USER failed for 'u1'@'localhost'
DROP USER u3@localhost;
ERROR HY000: Operation DROP USER failed for 'u3'@'localhost'
connection slave;
SELECT user,password,plugin,authentication_string FROM mysql.user WHERE user LIKE 'u%' ;
User	Password	plugin	authentication_string
u1	*A9A5EF53CE2EFAA6F4A746D63A917B2370971A7E	mysql_native_password	*A9A5EF53CE2EFAA6F4A746D63A917B2370971A7E
u2		mysql_native_password	
connection master;
DROP USER IF EXISTS u1@localhost;
DROP USER u2@localhost;
DROP USER IF EXISTS u3@localhost;
Warnings:
Note	1974	Can't drop user 'u3'@'localhost'; it doesn't exist
connection slave;
SELECT user,password,plugin,authentication_string FROM mysql.user WHERE user LIKE 'u%' ;
User	Password	plugin	authentication_string
include/rpl_end.inc