select * from performance_schema.threads
where name like 'Thread/%' limit 1;
select * from performance_schema.threads
where name='FOO';
insert into performance_schema.threads
set name='FOO', thread_id=1, processlist_id=2;
ERROR 42000: INSERT command denied to user 'root'@'localhost' for table 'threads'
update performance_schema.threads
set thread_id=12;
ERROR 42000: UPDATE command denied to user 'root'@'localhost' for table 'threads'
update performance_schema.threads
set thread_id=12 where name like "FOO";
ERROR 42000: UPDATE command denied to user 'root'@'localhost' for table 'threads'
delete from performance_schema.threads
where id=1;
ERROR 42000: DELETE command denied to user 'root'@'localhost' for table 'threads'
delete from performance_schema.threads;
ERROR 42000: DELETE command denied to user 'root'@'localhost' for table 'threads'
LOCK TABLES performance_schema.threads READ;
ERROR 42000: SELECT,LOCK TABL command denied to user 'root'@'localhost' for table 'threads'
UNLOCK TABLES;
LOCK TABLES performance_schema.threads WRITE;
ERROR 42000: SELECT,LOCK TABL command denied to user 'root'@'localhost' for table 'threads'
UNLOCK TABLES;