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select * from performance_schema.SETUP_TIMERS;
NAME TIMER_NAME
wait CYCLE
select * from performance_schema.SETUP_TIMERS
where name='Wait';
NAME TIMER_NAME
wait CYCLE
select * from performance_schema.SETUP_TIMERS
where timer_name='CYCLE';
NAME TIMER_NAME
wait CYCLE
insert into performance_schema.SETUP_TIMERS
set name='FOO', timer_name='CYCLE';
ERROR 42000: INSERT command denied to user 'root'@'localhost' for table 'SETUP_TIMERS'
update performance_schema.SETUP_TIMERS
set name='FOO';
ERROR HY000: Invalid performance_schema usage.
update performance_schema.SETUP_TIMERS
set timer_name='MILLISECOND';
select * from performance_schema.SETUP_TIMERS;
NAME TIMER_NAME
wait MILLISECOND
update performance_schema.SETUP_TIMERS
set timer_name='CYCLE';
delete from performance_schema.SETUP_TIMERS;
ERROR 42000: DELETE command denied to user 'root'@'localhost' for table 'SETUP_TIMERS'
delete from performance_schema.SETUP_TIMERS
where name='Wait';
ERROR 42000: DELETE command denied to user 'root'@'localhost' for table 'SETUP_TIMERS'
LOCK TABLES performance_schema.SETUP_TIMERS READ;
UNLOCK TABLES;
LOCK TABLES performance_schema.SETUP_TIMERS WRITE;
UNLOCK TABLES;
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