# Tests for PERFORMANCE_SCHEMA

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

--disable_result_log
select * from performance_schema.threads
  where name like 'Thread/%' limit 1;

select * from performance_schema.threads
  where name='FOO';
--enable_result_log

--error ER_TABLEACCESS_DENIED_ERROR
insert into performance_schema.threads
  set name='FOO', thread_id=1, processlist_id=2;

--error ER_WRONG_PERFSCHEMA_USAGE
update performance_schema.threads
  set thread_id=12;

--error ER_WRONG_PERFSCHEMA_USAGE
update performance_schema.threads
  set thread_id=12 where PROCESSLIST_ID=connection_id();

update performance_schema.threads
  set instrumented= 'NO' where PROCESSLIST_ID=connection_id();

select instrumented from performance_schema.threads
  where PROCESSLIST_ID=connection_id();

update performance_schema.threads
  set instrumented= 'YES' where PROCESSLIST_ID=connection_id();

select instrumented from performance_schema.threads
  where PROCESSLIST_ID=connection_id();

--error ER_TABLEACCESS_DENIED_ERROR
delete from performance_schema.threads
  where id=1;

--error ER_TABLEACCESS_DENIED_ERROR
delete from performance_schema.threads;

LOCK TABLES performance_schema.threads READ;
UNLOCK TABLES;

LOCK TABLES performance_schema.threads 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='threads';