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# Tests for PERFORMANCE_SCHEMA
--source include/not_embedded.inc
--source include/have_perfschema.inc
--source include/have_timer_cycle.inc
# Set to a known state
update performance_schema.setup_timers
set timer_name='CYCLE' where name="wait";
update performance_schema.setup_timers
set timer_name='NANOSECOND' where name="stage";
update performance_schema.setup_timers
set timer_name='NANOSECOND' where name="statement";
update performance_schema.setup_timers
set timer_name='MICROSECOND' where name="idle";
select * from performance_schema.setup_timers;
select * from performance_schema.setup_timers
where name='Wait';
select * from performance_schema.setup_timers
where timer_name='CYCLE';
--error ER_TABLEACCESS_DENIED_ERROR
insert into performance_schema.setup_timers
set name='FOO', timer_name='CYCLE';
--error ER_WRONG_PERFSCHEMA_USAGE
update performance_schema.setup_timers
set name='FOO';
update performance_schema.setup_timers
set timer_name='MILLISECOND';
select * from performance_schema.setup_timers;
update performance_schema.setup_timers
set timer_name='CYCLE';
--error ER_TABLEACCESS_DENIED_ERROR
delete from performance_schema.setup_timers;
--error ER_TABLEACCESS_DENIED_ERROR
delete from performance_schema.setup_timers
where name='Wait';
LOCK TABLES performance_schema.setup_timers READ;
UNLOCK TABLES;
LOCK TABLES performance_schema.setup_timers WRITE;
UNLOCK TABLES;
# Cleanup, restore the default values
update performance_schema.setup_timers
set timer_name='CYCLE' where name="wait";
update performance_schema.setup_timers
set timer_name='NANOSECOND' where name="stage";
update performance_schema.setup_timers
set timer_name='NANOSECOND' where name="statement";
update performance_schema.setup_timers
set timer_name='MICROSECOND' where name="idle";
select * from performance_schema.setup_timers;
--echo #
--echo # MDEV-25325 column_comment for performance_schema tables
--echo #
select column_name, column_comment
from information_schema.columns
where table_schema='performance_schema' and table_name='setup_timers';
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