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show grants;
Grants for root@localhost
GRANT ALL PRIVILEGES ON *.* TO 'root'@'localhost' WITH GRANT OPTION
GRANT PROXY 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';
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