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select * from performance_schema.setup_threads;
select * from performance_schema.setup_threads
order by name limit 12;
NAME ENABLED HISTORY PROPERTIES VOLATILITY DOCUMENTATION
thread/innodb/buf_dump_thread YES YES singleton 0 NULL
thread/innodb/buf_resize_thread YES YES singleton 0 NULL
thread/innodb/clone_ddl_thread YES YES singleton 0 NULL
thread/innodb/clone_gtid_thread YES YES singleton 0 NULL
thread/innodb/ddl_thread YES YES 0 NULL
thread/innodb/dict_stats_thread YES YES singleton 0 NULL
thread/innodb/fts_optimize_thread YES YES singleton 0 NULL
thread/innodb/fts_parallel_merge_thread YES YES 0 NULL
thread/innodb/fts_parallel_tokenization_thread YES YES 0 NULL
thread/innodb/io_ibuf_thread YES YES singleton 0 NULL
thread/innodb/io_read_thread YES YES 0 NULL
thread/innodb/io_write_thread YES YES 0 NULL
select * from performance_schema.setup_threads
where enabled='YES';
insert into performance_schema.setup_threads
set name='FOO', enabled='YES', history='YES';
ERROR 42000: INSERT command denied to user 'root'@'localhost' for table 'setup_threads'
update performance_schema.setup_threads
set name='FOO';
ERROR HY000: Invalid performance_schema usage.
update performance_schema.setup_threads
set properties='user';
ERROR HY000: Invalid performance_schema usage.
update performance_schema.setup_threads
set volatility=666;
ERROR HY000: Invalid performance_schema usage.
update performance_schema.setup_threads
set documentation='Bar';
ERROR HY000: Invalid performance_schema usage.
update performance_schema.setup_threads
set enabled='NO';
update performance_schema.setup_threads
set history='NO';
update performance_schema.setup_threads
set enabled='YES', history='YES';
delete from performance_schema.setup_threads;
ERROR 42000: DELETE command denied to user 'root'@'localhost' for table 'setup_threads'
delete from performance_schema.setup_threads
where name like 'thread/%';
ERROR 42000: DELETE command denied to user 'root'@'localhost' for table 'setup_threads'
LOCK TABLES performance_schema.setup_threads READ;
UNLOCK TABLES;
LOCK TABLES performance_schema.setup_threads WRITE;
UNLOCK TABLES;
UPDATE performance_schema.setup_threads SET history='NO'
ORDER BY RAND();
update performance_schema.setup_threads
set enabled='YES', history='YES';
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