SET NAMES binary;
drop table if exists t1;
delete from mysql.user where user like 'mysqltest\_%';
delete from mysql.db where user like 'mysqltest\_%';
delete from mysql.tables_priv where user like 'mysqltest\_%';
delete from mysql.columns_priv where user like 'mysqltest\_%';
flush privileges;
create user mysqltest_1@localhost;
grant create user on *.* to mysqltest_1@localhost;
grant select on `my\_1`.* to mysqltest_1@localhost with grant option;
grant select on `my\_1`.* to mysqltest_2@localhost;
ERROR 42000: You are not allowed to create a user with GRANT
create user mysqltest_2@localhost;
delete from mysql.user where user like 'mysqltest\_%';
delete from mysql.db where user like 'mysqltest\_%';
delete from mysql.tables_priv where user like 'mysqltest\_%';
delete from mysql.columns_priv where user like 'mysqltest\_%';
flush privileges;