show grants;
Grants for root@localhost
GRANT ALL PRIVILEGES ON *.* TO 'root'@'localhost' WITH GRANT OPTION
grant usage on *.* to 'pfs_user_5'@localhost with GRANT OPTION;
grant SELECT(thread_id, event_id) on performance_schema.EVENTS_WAITS_CURRENT
to 'pfs_user_5'@localhost;
grant UPDATE(enabled) on performance_schema.SETUP_INSTRUMENTS
to 'pfs_user_5'@localhost;
flush privileges;
select thread_id from performance_schema.EVENTS_WAITS_CURRENT;
select thread_id, event_id from performance_schema.EVENTS_WAITS_CURRENT;
update performance_schema.SETUP_INSTRUMENTS set enabled='YES';
select event_name from performance_schema.EVENTS_WAITS_CURRENT;
ERROR 42000: SELECT command denied to user 'pfs_user_5'@'localhost' for column 'event_name' in table 'EVENTS_WAITS_CURRENT'
select thread_id, event_id, event_name
from performance_schema.EVENTS_WAITS_CURRENT;
ERROR 42000: SELECT command denied to user 'pfs_user_5'@'localhost' for column 'event_name' in table 'EVENTS_WAITS_CURRENT'
update performance_schema.SETUP_INSTRUMENTS set name='illegal';
ERROR 42000: UPDATE command denied to user 'pfs_user_5'@'localhost' for column 'name' in table 'SETUP_INSTRUMENTS'
update performance_schema.SETUP_INSTRUMENTS set timed='NO';
ERROR 42000: UPDATE command denied to user 'pfs_user_5'@'localhost' for column 'timed' in table 'SETUP_INSTRUMENTS'
REVOKE ALL PRIVILEGES, GRANT OPTION FROM 'pfs_user_5'@localhost;
DROP USER 'pfs_user_5'@localhost;
flush privileges;
UPDATE performance_schema.SETUP_INSTRUMENTS SET enabled = 'YES', timed = 'YES';
UPDATE performance_schema.SETUP_CONSUMERS SET enabled = 'YES';
UPDATE performance_schema.SETUP_TIMERS SET timer_name = 'CYCLE';