use mysql;
alter table user drop column is_role;
flush privileges;
create role test_role;
ERROR HY000: Column count of mysql.user is wrong. Expected 44, found 43. Created with MariaDB MYSQL_VERSION_ID, now running MYSQL_VERSION_ID. Please use mysql_upgrade to fix this error.
drop role test_role;
ERROR HY000: Operation DROP ROLE failed for 'test_role'
alter table user add column is_role enum('N', 'Y') default 'N' not null
COLLATE utf8_general_ci
after password_expired;
update user set is_role='N';
flush privileges;
create role test_role;
drop role test_role;
