# Tests for PERFORMANCE_SCHEMA

--source include/not_embedded.inc
--source include/have_perfschema.inc

--disable_result_log
select * from performance_schema.events_waits_current
  where event_name like 'Wait/Synch/%' limit 1;

select * from performance_schema.events_waits_current
  where event_name='FOO';
--enable_result_log

--error ER_TABLEACCESS_DENIED_ERROR
insert into performance_schema.events_waits_current
  set thread_id='1', event_id=1,
  event_name='FOO', timer_start=1, timer_end=2, timer_wait=3;

--error ER_TABLEACCESS_DENIED_ERROR
update performance_schema.events_waits_current
  set timer_start=12;

--error ER_TABLEACCESS_DENIED_ERROR
update performance_schema.events_waits_current
  set timer_start=12 where thread_id=0;

--error ER_TABLEACCESS_DENIED_ERROR
delete from performance_schema.events_waits_current
  where thread_id=1;

--error ER_TABLEACCESS_DENIED_ERROR
delete from performance_schema.events_waits_current;

-- error ER_TABLEACCESS_DENIED_ERROR
LOCK TABLES performance_schema.events_waits_current READ;
UNLOCK TABLES;

-- error ER_TABLEACCESS_DENIED_ERROR
LOCK TABLES performance_schema.events_waits_current WRITE;
UNLOCK TABLES;

--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='events_waits_current';