source include/not_embedded.inc;

create role r1;
create role r2;
create role r3;
create role r4;
create user u1;

#CREATE A CHAIN OF ROLES
grant r2 to r1;
grant r3 to r2;
grant r4 to r3;
grant r1 to u1;
grant r4 to r1;

--sorted_result
show grants for u1;
--sorted_result
show grants for r1;

grant SELECT on *.* to u1;
grant INSERT on mysql.* to r1;
grant DELETE on mysql.roles_mapping to r2;
grant UPDATE on mysql.user to r3;

create function mysql.test_func (s CHAR(20))
returns CHAR(50) DETERMINISTIC
return concat('Test string: ',s);


delimiter |;
create procedure mysql.test_proc (OUT param1 INT)
begin
  select COUNT(*) into param1 from mysql.roles_mapping;
end|
delimiter ;|

grant execute on function mysql.test_func to r2;
grant execute on procedure mysql.test_proc to r3;
grant execute on mysql.* to r4;

--sorted_result
show grants for r1;
--sorted_result
show grants for r2;
--sorted_result
show grants for r3;
--sorted_result
show grants for r4;

revoke all privileges, grant option from r4;

--sorted_result
show grants for r1;
--sorted_result
show grants for r2;
--sorted_result
show grants for r3;
--sorted_result
show grants for r4;

revoke all privileges, grant option from r3;
--sorted_result
show grants for r1;
--sorted_result
show grants for r2;
--sorted_result
show grants for r3;
--sorted_result
show grants for r4;

revoke all privileges, grant option from r2;
--sorted_result
show grants for r1;
--sorted_result
show grants for r2;
--sorted_result
show grants for r3;
--sorted_result
show grants for r4;

revoke all privileges, grant option from r1;
--sorted_result
show grants for r1;
--sorted_result
show grants for r2;
--sorted_result
show grants for r3;
--sorted_result
show grants for r4;

revoke all privileges, grant option from u1;

show grants for u1;

drop function mysql.test_func;
drop procedure mysql.test_proc;

--sorted_result
show grants for r1;

drop role r1, r2, r3, r4;
drop user u1;