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select * from performance_schema.events_waits_history_long
where event_name like 'Wait/Synch/%' limit 1;
select * from performance_schema.events_waits_history_long
where event_name='FOO';
select * from performance_schema.events_waits_history_long
where event_name like 'Wait/Synch/%' order by timer_wait limit 1;
select * from performance_schema.events_waits_history_long
where event_name like 'Wait/Synch/%' order by timer_wait desc limit 1;
insert into performance_schema.events_waits_history_long
set thread_id='1', event_id=1,
event_name='FOO', timer_start=1, timer_end=2, timer_wait=3;
ERROR 42000: INSERT command denied to user 'root'@'localhost' for table 'events_waits_history_long'
update performance_schema.events_waits_history_long
set timer_start=12;
ERROR 42000: UPDATE command denied to user 'root'@'localhost' for table 'events_waits_history_long'
update performance_schema.events_waits_history_long
set timer_start=12 where thread_id=0;
ERROR 42000: UPDATE command denied to user 'root'@'localhost' for table 'events_waits_history_long'
delete from performance_schema.events_waits_history_long
where thread_id=1;
ERROR 42000: DELETE command denied to user 'root'@'localhost' for table 'events_waits_history_long'
delete from performance_schema.events_waits_history_long;
ERROR 42000: DELETE command denied to user 'root'@'localhost' for table 'events_waits_history_long'
LOCK TABLES performance_schema.events_waits_history_long READ;
ERROR 42000: SELECT, LOCK TABLES command denied to user 'root'@'localhost' for table 'events_waits_history_long'
UNLOCK TABLES;
LOCK TABLES performance_schema.events_waits_history_long WRITE;
ERROR 42000: SELECT, LOCK TABLES command denied to user 'root'@'localhost' for table 'events_waits_history_long'
UNLOCK TABLES;
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