mariadb/mysql-test/t/acl_roles_rename_user.test

#create a user with no privileges
create user test_user@localhost;
create role test_role1;
insert into mysql.roles_mapping values ('localhost', 'test_user', 'test_role1');
create role test_role2;
insert into mysql.roles_mapping values ('', 'test_role1', 'test_role2');
flush privileges;

use mysql;
--sorted_result
select * from roles_mapping;

#regular user rename
rename user 'test_user'@'localhost' to 'test_user_rm'@'newhost';
--sorted_result
select user, host from user where user like 'test%';
--sorted_result
select * from roles_mapping;

######### role rename does not work yet
#rename user 'test_role2'@'' to 'test_role2_rm'@'';
#--sorted_result
#select user, host from user where user like 'test%';
#--sorted_result
#select * from roles_mapping;
#
##role rename
#rename user 'test_role1'@'' to 'test_role1_rm'@'';
#--sorted_result
#select user, host from user where user like 'test%';
#--sorted_result
#select * from roles_mapping;

delete from mysql.roles_mapping;
delete from mysql.user where user like 'test%';
flush privileges;