delete from mysql.user where user like 'mysqltest\_%';
delete from mysql.db where user like 'mysqltest\_%';
flush privileges;
grant all privileges on `my\_%`.* to mysqltest_1@localhost with grant option;
select current_user();
current_user()
mysqltest_1@localhost
grant all privileges on `my\_1`.* to mysqltest_2@localhost with grant option;
grant all privileges on `my_%`.* to mysqltest_3@localhost with grant option;
ERROR 42000: Access denied for user: 'mysqltest_1'@'localhost' to database 'my_%'
show grants for mysqltest_1@localhost;
Grants for mysqltest_1@localhost
GRANT USAGE ON *.* TO 'mysqltest_1'@'localhost'
GRANT ALL PRIVILEGES ON `my\_%`.* TO 'mysqltest_1'@'localhost' WITH GRANT OPTION
show grants for mysqltest_2@localhost;
Grants for mysqltest_2@localhost
GRANT USAGE ON *.* TO 'mysqltest_2'@'localhost'
GRANT ALL PRIVILEGES ON `my\_1`.* TO 'mysqltest_2'@'localhost' WITH GRANT OPTION
show grants for mysqltest_3@localhost;
ERROR 42000: There is no such grant defined for user 'mysqltest_3' on host 'localhost'
delete from mysql.user where user like 'mysqltest\_%';
delete from mysql.db where user like 'mysqltest\_%';
flush privileges;