create database db;
create role auto_create;
grant all on db.* to auto_create;
grant auto_create to foo@localhost;
grant auto_create to bar@localhost identified by 'baz';
set role 'auto_create';
use db;
create table t1 (i int);
set role auto_create;
use db;
insert into t1 values (1);
drop user foo@localhost, bar@localhost;
set sql_mode = 'no_auto_create_user';
grant auto_create to foo@localhost;
ERROR 28000: Can't find any matching row in the user table
grant auto_create to bar@localhost identified by 'baz';
select user, host from mysql.user where user = 'bar';
user	host
bar	localhost
set sql_mode = '';
set role auto_create;
use db;
drop table t1;
create user foo@localhost;
set sql_mode = '';
grant auto_create to bar2@localhost;
ERROR 28000: Access denied for user 'foo'@'localhost'
grant auto_create to foo2@localhost;
ERROR 28000: Access denied for user 'foo'@'localhost'
set sql_mode = 'no_auto_create_user';
grant auto_create to bar2@localhost;
ERROR 28000: Access denied for user 'foo'@'localhost'
grant auto_create to foo2@localhost identified by 'pass';
ERROR 28000: Access denied for user 'foo'@'localhost'
grant auto_create to foo@localhost;
set sql_mode = '';
grant auto_create to bar@localhost;
ERROR 28000: Access denied for user 'foo'@'localhost'
grant auto_create to bar2@localhost;
ERROR 28000: Access denied for user 'foo'@'localhost'
grant auto_create to foo2@localhost identified by 'pass';
ERROR 28000: Access denied for user 'foo'@'localhost'
set sql_mode = 'no_auto_create_user';
grant auto_create to bar2@localhost;
ERROR 28000: Access denied for user 'foo'@'localhost'
grant auto_create to foo2@localhost identified by 'pass';
ERROR 28000: Access denied for user 'foo'@'localhost'
grant auto_create to foo@localhost with admin option;
set sql_mode = '';
grant auto_create to bar@localhost;
grant auto_create to bar2@localhost;
ERROR 42000: You are not allowed to create a user with GRANT
grant auto_create to foo2@localhost identified by 'pass';
ERROR 42000: You are not allowed to create a user with GRANT
set sql_mode = 'no_auto_create_user';
grant auto_create to bar2@localhost;
ERROR 28000: Can't find any matching row in the user table
grant auto_create to foo2@localhost identified by 'pass';
ERROR 42000: You are not allowed to create a user with GRANT
drop user foo@localhost;
drop user bar@localhost;
drop role auto_create;
drop database db;