grant select on *.* to current_role; ERROR 0L000: Invalid definer revoke select on *.* from current_role; ERROR 0L000: Invalid definer revoke all, grant option from current_role; ERROR 0L000: Invalid definer create role r1; grant insert on test.* to r1; grant r1 to current_user; set role r1; select current_role(); current_role() r1 grant select on *.* to current_role; show grants for current_role; Grants for r1 GRANT SELECT ON *.* TO 'r1' GRANT INSERT ON `test`.* TO 'r1' revoke insert on test.* from current_role; show grants for current_role; Grants for r1 GRANT SELECT ON *.* TO 'r1' revoke all, grant option from current_role; show grants for current_role; Grants for r1 GRANT USAGE ON *.* TO 'r1' set password=password('foobar'); show grants; Grants for root@localhost GRANT r1 TO 'root'@'localhost' WITH ADMIN OPTION GRANT ALL PRIVILEGES ON *.* TO 'root'@'localhost' IDENTIFIED BY PASSWORD '*9B500343BC52E2911172EB52AE5CF4847604C6E5' WITH GRANT OPTION GRANT PROXY ON ''@'%' TO 'root'@'localhost' WITH GRANT OPTION GRANT USAGE ON *.* TO 'r1' grant r1 to current_user() identified by 'barfoo'; show grants; Grants for root@localhost GRANT r1 TO 'root'@'localhost' WITH ADMIN OPTION GRANT ALL PRIVILEGES ON *.* TO 'root'@'localhost' IDENTIFIED BY PASSWORD '*343915A8181B5728EADBDC73E1F7E6B0C3998483' WITH GRANT OPTION GRANT PROXY ON ''@'%' TO 'root'@'localhost' WITH GRANT OPTION GRANT USAGE ON *.* TO 'r1' set password=''; drop role r1;