source include/not_embedded.inc;

create role r1;
grant r1 to root@localhost;
create user u1;
set role r1;

grant r1 to u1;
--sorted_result
select * from mysql.roles_mapping;

drop user u1;
--sorted_result
select * from mysql.roles_mapping;
--sorted_result
show grants;
drop role r1;
--sorted_result
select * from mysql.roles_mapping;
--sorted_result
show grants;