#create a user with no privileges
create user 'test_user'@'localhost';

create user 'r_sel'@'';
create user 'r_ins'@'';
create user 'r_upd'@'';
create user 'r_del'@'';
create user 'r_crt'@'';
create user 'r_drp'@'';
create user 'r_rld'@'';
update mysql.user set Select_priv='Y' where user like 'r_sel';
update mysql.user set Insert_priv='Y' where user like 'r_ins';
update mysql.user set Update_priv='Y' where user like 'r_upd';
update mysql.user set Delete_priv='Y' where user like 'r_del';
update mysql.user set Create_priv='Y' where user like 'r_crt';
update mysql.user set Drop_priv  ='Y' where user like 'r_drp';
update mysql.user set Reload_priv='Y' where user like 'r_rld';

update mysql.user set is_role='Y' where user like 'r\_%';

select * from mysql.user where user='r_sel';
select * from mysql.user where user='r_ins';
select * from mysql.user where user='r_upd';
select * from mysql.user where user='r_del';
select * from mysql.user where user='r_crt';
select * from mysql.user where user='r_drp';
select * from mysql.user where user='r_rld';

#####################################
#set up roles mapping
#####################################
insert into mysql.roles_mapping (HostFk, UserFk, RoleFk) values ('localhost',
                                                                 'test_user',
                                                                 'r_sel');
insert into mysql.roles_mapping (HostFk, UserFk, RoleFk) values ('localhost',
                                                                 'test_user',
                                                                 'r_ins');
insert into mysql.roles_mapping (HostFk, UserFk, RoleFk) values ('localhost',
                                                                 'test_user',
                                                                 'r_upd');
insert into mysql.roles_mapping (HostFk, UserFk, RoleFk) values ('localhost',
                                                                 'test_user',
                                                                 'r_del');
insert into mysql.roles_mapping (HostFk, UserFk, RoleFk) values ('localhost',
                                                                 'test_user',
                                                                 'r_crt');
insert into mysql.roles_mapping (HostFk, UserFk, RoleFk) values ('localhost',
                                                                 'test_user',
                                                                 'r_drp');
insert into mysql.roles_mapping (HostFk, UserFk, RoleFk) values ('localhost',
                                                                 'test_user',
                                                                 'r_rld');
flush privileges;

change_user 'test_user';

--error ER_TABLEACCESS_DENIED_ERROR
select * from mysql.roles_mapping;

show grants;
set role r_sel;
show grants;
--sorted_result
select * from mysql.roles_mapping;

set role r_ins;
show grants;
--error ER_TABLEACCESS_DENIED_ERROR
select * from mysql.roles_mapping;
insert into mysql.roles_mapping (HostFk, UserFk, RoleFk) values ('',
                                                                 'r_sel',
                                                                 'r_rld');
--error ER_SPECIFIC_ACCESS_DENIED_ERROR
flush privileges;
set role r_rld;
flush privileges;
set role r_sel;
flush privileges;
set role none;
--error ER_SPECIFIC_ACCESS_DENIED_ERROR
flush privileges;

set role r_ins;
insert into mysql.roles_mapping (HostFk, UserFk, RoleFk) values ('',
                                                                 'r_sel',
                                                                 'r_upd');
insert into mysql.roles_mapping (HostFk, UserFk, RoleFk) values ('',
                                                                 'r_sel',
                                                                 'r_del');
insert into mysql.roles_mapping (HostFk, UserFk, RoleFk) values ('',
                                                                 'r_sel',
                                                                 'r_crt');
insert into mysql.roles_mapping (HostFk, UserFk, RoleFk) values ('',
                                                                 'r_sel',
                                                                 'r_drp');
insert into mysql.roles_mapping (HostFk, UserFk, RoleFk) values ('',
                                                                 'r_del',
                                                                 'r_ins');
set role r_rld;
flush privileges;
set role r_sel;
update mysql.roles_mapping set RoleFk='r_ins' where RoleFk='r_ins_wrong';
flush privileges;
set role r_sel;

create table mysql.random_test_table (id INT);
insert into mysql.random_test_table values (1);
--sorted_result
select * from mysql.random_test_table;
delete from mysql.roles_mapping where RoleFk='r_ins';
flush privileges;
set role r_sel;
--error ER_TABLEACCESS_DENIED_ERROR
insert into mysql.random_test_table values (1);
drop table mysql.random_test_table;

change_user 'root';
delete from mysql.user where user like 'r\_%';
delete from mysql.roles_mapping where RoleFk like 'r\_%';
flush privileges;
drop user 'test_user'@'localhost';