create user 'u0'@'%';
grant all privileges on mysql.* to 'u0' @'%';
call mysql.dummy();
CREATE PROCEDURE mysql.dummy()
BEGIN
select sleep(1);
END$$
ERROR 42000: PROCEDURE dummy already exists
drop procedure mysql.dummy;
ERROR 42000: PROCEDURE mysql.dummy does not exist
call mysql.dummy(1);
ERROR 42000: Incorrect number of arguments for PROCEDURE mysql.dummy; expected 0, got 1
call mysql.dummy_2(1, 'xpchild');
NAME	ID
xpchild	1
call mysql.dummy_2(1, 1);
ERROR HY000: The 2th parameter didn't match for native procedure mysql.dummy_2
call mysql.dummy_2("xpchild", 1);
ERROR HY000: The 1th parameter didn't match for native procedure mysql.dummy_2
call mysql.dummy();
ERROR 42000: Access denied; you need (at least one of) the SUPER privilege(s) for this operation
CREATE PROCEDURE mysql.dummy()
BEGIN
select sleep(1);
END$$
ERROR 42000: PROCEDURE dummy already exists
drop procedure mysql.dummy;
ERROR 42000: PROCEDURE mysql.dummy does not exist
call mysql.dummy();
ERROR 42000: Access denied; you need (at least one of) the SUPER privilege(s) for this operation
call mysql.dummy(1);
ERROR 42000: Incorrect number of arguments for PROCEDURE mysql.dummy; expected 0, got 1
call mysql.dummy(`xxx`.tttt);
ERROR 42000: Incorrect number of arguments for PROCEDURE mysql.dummy; expected 0, got 1
call mysql.dummy_2(1, 'xpchild');
ERROR 42000: Access denied; you need (at least one of) the SUPER privilege(s) for this operation
call mysql.dummy_2(1, 1);
ERROR HY000: The 2th parameter didn't match for native procedure mysql.dummy_2
call mysql.dummy_2("xpchild", 1);
ERROR HY000: The 1th parameter didn't match for native procedure mysql.dummy_2
drop user 'u0'@'%';