--source include/not_embedded.inc --error ER_MALFORMED_DEFINER grant select on *.* to current_role; --error ER_MALFORMED_DEFINER revoke select on *.* from current_role; --error ER_MALFORMED_DEFINER revoke all, grant option from current_role; create role r1; grant insert on test.* to r1; grant r1 to current_user; set role r1; select current_role(); grant select on *.* to current_role; show grants for current_role; revoke insert on test.* from current_role; show grants for current_role; revoke all, grant option from current_role; show grants for current_role; drop role r1;