select connection_id() into @conid;
select thread_id from performance_schema.threads
where PROCESSLIST_ID = @conid
into @tid;
select thread_os_id from performance_schema.threads
where PROCESSLIST_ID = @conid
into @osid;
explain select THREAD_ID, NAME from performance_schema.threads
where thread_id = 1;
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	threads	NULL	const	PRIMARY	PRIMARY	8	const	1	100.00	NULL
Warnings:
Note	1003	/* select#1 */ select '1' AS `THREAD_ID`,'thread/sql/main' AS `NAME` from `performance_schema`.`threads` where true
explain select * from performance_schema.threads
where thread_id > 1;
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	threads	NULL	ALL	PRIMARY	NULL	NULL	NULL	256	33.33	Using where
Warnings:
Note	1003	/* select#1 */ select `performance_schema`.`threads`.`THREAD_ID` AS `THREAD_ID`,`performance_schema`.`threads`.`NAME` AS `NAME`,`performance_schema`.`threads`.`TYPE` AS `TYPE`,`performance_schema`.`threads`.`PROCESSLIST_ID` AS `PROCESSLIST_ID`,`performance_schema`.`threads`.`PROCESSLIST_USER` AS `PROCESSLIST_USER`,`performance_schema`.`threads`.`PROCESSLIST_HOST` AS `PROCESSLIST_HOST`,`performance_schema`.`threads`.`PROCESSLIST_DB` AS `PROCESSLIST_DB`,`performance_schema`.`threads`.`PROCESSLIST_COMMAND` AS `PROCESSLIST_COMMAND`,`performance_schema`.`threads`.`PROCESSLIST_TIME` AS `PROCESSLIST_TIME`,`performance_schema`.`threads`.`PROCESSLIST_STATE` AS `PROCESSLIST_STATE`,`performance_schema`.`threads`.`PROCESSLIST_INFO` AS `PROCESSLIST_INFO`,`performance_schema`.`threads`.`PARENT_THREAD_ID` AS `PARENT_THREAD_ID`,`performance_schema`.`threads`.`ROLE` AS `ROLE`,`performance_schema`.`threads`.`INSTRUMENTED` AS `INSTRUMENTED`,`performance_schema`.`threads`.`HISTORY` AS `HISTORY`,`performance_schema`.`threads`.`CONNECTION_TYPE` AS `CONNECTION_TYPE`,`performance_schema`.`threads`.`THREAD_OS_ID` AS `THREAD_OS_ID`,`performance_schema`.`threads`.`RESOURCE_GROUP` AS `RESOURCE_GROUP` from `performance_schema`.`threads` where (`performance_schema`.`threads`.`THREAD_ID` > 1)
explain select * from performance_schema.threads
where thread_id < 1;
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	threads	NULL	ALL	PRIMARY	NULL	NULL	NULL	256	33.33	Using where
Warnings:
Note	1003	/* select#1 */ select `performance_schema`.`threads`.`THREAD_ID` AS `THREAD_ID`,`performance_schema`.`threads`.`NAME` AS `NAME`,`performance_schema`.`threads`.`TYPE` AS `TYPE`,`performance_schema`.`threads`.`PROCESSLIST_ID` AS `PROCESSLIST_ID`,`performance_schema`.`threads`.`PROCESSLIST_USER` AS `PROCESSLIST_USER`,`performance_schema`.`threads`.`PROCESSLIST_HOST` AS `PROCESSLIST_HOST`,`performance_schema`.`threads`.`PROCESSLIST_DB` AS `PROCESSLIST_DB`,`performance_schema`.`threads`.`PROCESSLIST_COMMAND` AS `PROCESSLIST_COMMAND`,`performance_schema`.`threads`.`PROCESSLIST_TIME` AS `PROCESSLIST_TIME`,`performance_schema`.`threads`.`PROCESSLIST_STATE` AS `PROCESSLIST_STATE`,`performance_schema`.`threads`.`PROCESSLIST_INFO` AS `PROCESSLIST_INFO`,`performance_schema`.`threads`.`PARENT_THREAD_ID` AS `PARENT_THREAD_ID`,`performance_schema`.`threads`.`ROLE` AS `ROLE`,`performance_schema`.`threads`.`INSTRUMENTED` AS `INSTRUMENTED`,`performance_schema`.`threads`.`HISTORY` AS `HISTORY`,`performance_schema`.`threads`.`CONNECTION_TYPE` AS `CONNECTION_TYPE`,`performance_schema`.`threads`.`THREAD_OS_ID` AS `THREAD_OS_ID`,`performance_schema`.`threads`.`RESOURCE_GROUP` AS `RESOURCE_GROUP` from `performance_schema`.`threads` where (`performance_schema`.`threads`.`THREAD_ID` < 1)
select processlist_id = @conid, name, processlist_info
from performance_schema.threads
where thread_id = @tid;
processlist_id = @conid	name	processlist_info
1	thread/sql/one_connection	select processlist_id = @conid, name, processlist_info
from performance_schema.threads
where thread_id = @tid
explain select THREAD_ID, NAME from performance_schema.threads
where processlist_id = @conid;
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	threads	NULL	ref	PROCESSLIST_ID	PROCESSLIST_ID	9	const	10	100.00	Using where
explain select * from performance_schema.threads
where processlist_id > 99999;
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	threads	NULL	ALL	PROCESSLIST_ID	NULL	NULL	NULL	256	33.33	Using where
Warnings:
Note	1003	/* select#1 */ select `performance_schema`.`threads`.`THREAD_ID` AS `THREAD_ID`,`performance_schema`.`threads`.`NAME` AS `NAME`,`performance_schema`.`threads`.`TYPE` AS `TYPE`,`performance_schema`.`threads`.`PROCESSLIST_ID` AS `PROCESSLIST_ID`,`performance_schema`.`threads`.`PROCESSLIST_USER` AS `PROCESSLIST_USER`,`performance_schema`.`threads`.`PROCESSLIST_HOST` AS `PROCESSLIST_HOST`,`performance_schema`.`threads`.`PROCESSLIST_DB` AS `PROCESSLIST_DB`,`performance_schema`.`threads`.`PROCESSLIST_COMMAND` AS `PROCESSLIST_COMMAND`,`performance_schema`.`threads`.`PROCESSLIST_TIME` AS `PROCESSLIST_TIME`,`performance_schema`.`threads`.`PROCESSLIST_STATE` AS `PROCESSLIST_STATE`,`performance_schema`.`threads`.`PROCESSLIST_INFO` AS `PROCESSLIST_INFO`,`performance_schema`.`threads`.`PARENT_THREAD_ID` AS `PARENT_THREAD_ID`,`performance_schema`.`threads`.`ROLE` AS `ROLE`,`performance_schema`.`threads`.`INSTRUMENTED` AS `INSTRUMENTED`,`performance_schema`.`threads`.`HISTORY` AS `HISTORY`,`performance_schema`.`threads`.`CONNECTION_TYPE` AS `CONNECTION_TYPE`,`performance_schema`.`threads`.`THREAD_OS_ID` AS `THREAD_OS_ID`,`performance_schema`.`threads`.`RESOURCE_GROUP` AS `RESOURCE_GROUP` from `performance_schema`.`threads` where (`performance_schema`.`threads`.`PROCESSLIST_ID` > 99999)
explain select * from performance_schema.threads
where processlist_id < 99999;
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	threads	NULL	ALL	PROCESSLIST_ID	NULL	NULL	NULL	256	33.33	Using where
Warnings:
Note	1003	/* select#1 */ select `performance_schema`.`threads`.`THREAD_ID` AS `THREAD_ID`,`performance_schema`.`threads`.`NAME` AS `NAME`,`performance_schema`.`threads`.`TYPE` AS `TYPE`,`performance_schema`.`threads`.`PROCESSLIST_ID` AS `PROCESSLIST_ID`,`performance_schema`.`threads`.`PROCESSLIST_USER` AS `PROCESSLIST_USER`,`performance_schema`.`threads`.`PROCESSLIST_HOST` AS `PROCESSLIST_HOST`,`performance_schema`.`threads`.`PROCESSLIST_DB` AS `PROCESSLIST_DB`,`performance_schema`.`threads`.`PROCESSLIST_COMMAND` AS `PROCESSLIST_COMMAND`,`performance_schema`.`threads`.`PROCESSLIST_TIME` AS `PROCESSLIST_TIME`,`performance_schema`.`threads`.`PROCESSLIST_STATE` AS `PROCESSLIST_STATE`,`performance_schema`.`threads`.`PROCESSLIST_INFO` AS `PROCESSLIST_INFO`,`performance_schema`.`threads`.`PARENT_THREAD_ID` AS `PARENT_THREAD_ID`,`performance_schema`.`threads`.`ROLE` AS `ROLE`,`performance_schema`.`threads`.`INSTRUMENTED` AS `INSTRUMENTED`,`performance_schema`.`threads`.`HISTORY` AS `HISTORY`,`performance_schema`.`threads`.`CONNECTION_TYPE` AS `CONNECTION_TYPE`,`performance_schema`.`threads`.`THREAD_OS_ID` AS `THREAD_OS_ID`,`performance_schema`.`threads`.`RESOURCE_GROUP` AS `RESOURCE_GROUP` from `performance_schema`.`threads` where (`performance_schema`.`threads`.`PROCESSLIST_ID` < 99999)
select thread_id = @tid, name, processlist_info
from performance_schema.threads
where processlist_id = @conid;
thread_id = @tid	name	processlist_info
1	thread/sql/one_connection	select thread_id = @tid, name, processlist_info
from performance_schema.threads
where processlist_id = @conid
explain select THREAD_ID, NAME from performance_schema.threads
where thread_os_id = @osid;
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	threads	NULL	ref	THREAD_OS_ID	THREAD_OS_ID	9	const	10	100.00	Using where
explain select * from performance_schema.threads
where thread_os_id > 99999;
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	threads	NULL	ALL	THREAD_OS_ID	NULL	NULL	NULL	256	33.33	Using where
Warnings:
Note	1003	/* select#1 */ select `performance_schema`.`threads`.`THREAD_ID` AS `THREAD_ID`,`performance_schema`.`threads`.`NAME` AS `NAME`,`performance_schema`.`threads`.`TYPE` AS `TYPE`,`performance_schema`.`threads`.`PROCESSLIST_ID` AS `PROCESSLIST_ID`,`performance_schema`.`threads`.`PROCESSLIST_USER` AS `PROCESSLIST_USER`,`performance_schema`.`threads`.`PROCESSLIST_HOST` AS `PROCESSLIST_HOST`,`performance_schema`.`threads`.`PROCESSLIST_DB` AS `PROCESSLIST_DB`,`performance_schema`.`threads`.`PROCESSLIST_COMMAND` AS `PROCESSLIST_COMMAND`,`performance_schema`.`threads`.`PROCESSLIST_TIME` AS `PROCESSLIST_TIME`,`performance_schema`.`threads`.`PROCESSLIST_STATE` AS `PROCESSLIST_STATE`,`performance_schema`.`threads`.`PROCESSLIST_INFO` AS `PROCESSLIST_INFO`,`performance_schema`.`threads`.`PARENT_THREAD_ID` AS `PARENT_THREAD_ID`,`performance_schema`.`threads`.`ROLE` AS `ROLE`,`performance_schema`.`threads`.`INSTRUMENTED` AS `INSTRUMENTED`,`performance_schema`.`threads`.`HISTORY` AS `HISTORY`,`performance_schema`.`threads`.`CONNECTION_TYPE` AS `CONNECTION_TYPE`,`performance_schema`.`threads`.`THREAD_OS_ID` AS `THREAD_OS_ID`,`performance_schema`.`threads`.`RESOURCE_GROUP` AS `RESOURCE_GROUP` from `performance_schema`.`threads` where (`performance_schema`.`threads`.`THREAD_OS_ID` > 99999)
explain select * from performance_schema.threads
where thread_os_id < 99999;
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	threads	NULL	ALL	THREAD_OS_ID	NULL	NULL	NULL	256	33.33	Using where
Warnings:
Note	1003	/* select#1 */ select `performance_schema`.`threads`.`THREAD_ID` AS `THREAD_ID`,`performance_schema`.`threads`.`NAME` AS `NAME`,`performance_schema`.`threads`.`TYPE` AS `TYPE`,`performance_schema`.`threads`.`PROCESSLIST_ID` AS `PROCESSLIST_ID`,`performance_schema`.`threads`.`PROCESSLIST_USER` AS `PROCESSLIST_USER`,`performance_schema`.`threads`.`PROCESSLIST_HOST` AS `PROCESSLIST_HOST`,`performance_schema`.`threads`.`PROCESSLIST_DB` AS `PROCESSLIST_DB`,`performance_schema`.`threads`.`PROCESSLIST_COMMAND` AS `PROCESSLIST_COMMAND`,`performance_schema`.`threads`.`PROCESSLIST_TIME` AS `PROCESSLIST_TIME`,`performance_schema`.`threads`.`PROCESSLIST_STATE` AS `PROCESSLIST_STATE`,`performance_schema`.`threads`.`PROCESSLIST_INFO` AS `PROCESSLIST_INFO`,`performance_schema`.`threads`.`PARENT_THREAD_ID` AS `PARENT_THREAD_ID`,`performance_schema`.`threads`.`ROLE` AS `ROLE`,`performance_schema`.`threads`.`INSTRUMENTED` AS `INSTRUMENTED`,`performance_schema`.`threads`.`HISTORY` AS `HISTORY`,`performance_schema`.`threads`.`CONNECTION_TYPE` AS `CONNECTION_TYPE`,`performance_schema`.`threads`.`THREAD_OS_ID` AS `THREAD_OS_ID`,`performance_schema`.`threads`.`RESOURCE_GROUP` AS `RESOURCE_GROUP` from `performance_schema`.`threads` where (`performance_schema`.`threads`.`THREAD_OS_ID` < 99999)
select thread_id - @tid, name, processlist_info
from performance_schema.threads
where thread_os_id = @osid;
thread_id - @tid	name	processlist_info
0	thread/sql/one_connection	select thread_id - @tid, name, processlist_info
from performance_schema.threads
where thread_os_id = @osid
explain select THREAD_ID from performance_schema.threads
where NAME = "impossible";
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	threads	NULL	ref	NAME	NAME	514	const	10	100.00	NULL
Warnings:
Note	1003	/* select#1 */ select `performance_schema`.`threads`.`THREAD_ID` AS `THREAD_ID` from `performance_schema`.`threads` where (`performance_schema`.`threads`.`NAME` = 'impossible')
explain select THREAD_ID from performance_schema.threads
where NAME = "thread/sql/main";
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	threads	NULL	ref	NAME	NAME	514	const	10	100.00	NULL
Warnings:
Note	1003	/* select#1 */ select `performance_schema`.`threads`.`THREAD_ID` AS `THREAD_ID` from `performance_schema`.`threads` where (`performance_schema`.`threads`.`NAME` = 'thread/sql/main')
explain select * from performance_schema.threads
where NAME > "foo";
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	threads	NULL	ALL	NAME	NULL	NULL	NULL	256	33.33	Using where
Warnings:
Note	1003	/* select#1 */ select `performance_schema`.`threads`.`THREAD_ID` AS `THREAD_ID`,`performance_schema`.`threads`.`NAME` AS `NAME`,`performance_schema`.`threads`.`TYPE` AS `TYPE`,`performance_schema`.`threads`.`PROCESSLIST_ID` AS `PROCESSLIST_ID`,`performance_schema`.`threads`.`PROCESSLIST_USER` AS `PROCESSLIST_USER`,`performance_schema`.`threads`.`PROCESSLIST_HOST` AS `PROCESSLIST_HOST`,`performance_schema`.`threads`.`PROCESSLIST_DB` AS `PROCESSLIST_DB`,`performance_schema`.`threads`.`PROCESSLIST_COMMAND` AS `PROCESSLIST_COMMAND`,`performance_schema`.`threads`.`PROCESSLIST_TIME` AS `PROCESSLIST_TIME`,`performance_schema`.`threads`.`PROCESSLIST_STATE` AS `PROCESSLIST_STATE`,`performance_schema`.`threads`.`PROCESSLIST_INFO` AS `PROCESSLIST_INFO`,`performance_schema`.`threads`.`PARENT_THREAD_ID` AS `PARENT_THREAD_ID`,`performance_schema`.`threads`.`ROLE` AS `ROLE`,`performance_schema`.`threads`.`INSTRUMENTED` AS `INSTRUMENTED`,`performance_schema`.`threads`.`HISTORY` AS `HISTORY`,`performance_schema`.`threads`.`CONNECTION_TYPE` AS `CONNECTION_TYPE`,`performance_schema`.`threads`.`THREAD_OS_ID` AS `THREAD_OS_ID`,`performance_schema`.`threads`.`RESOURCE_GROUP` AS `RESOURCE_GROUP` from `performance_schema`.`threads` where (`performance_schema`.`threads`.`NAME` > 'foo')
explain select * from performance_schema.threads
where NAME < "bar";
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	threads	NULL	ALL	NAME	NULL	NULL	NULL	256	33.33	Using where
Warnings:
Note	1003	/* select#1 */ select `performance_schema`.`threads`.`THREAD_ID` AS `THREAD_ID`,`performance_schema`.`threads`.`NAME` AS `NAME`,`performance_schema`.`threads`.`TYPE` AS `TYPE`,`performance_schema`.`threads`.`PROCESSLIST_ID` AS `PROCESSLIST_ID`,`performance_schema`.`threads`.`PROCESSLIST_USER` AS `PROCESSLIST_USER`,`performance_schema`.`threads`.`PROCESSLIST_HOST` AS `PROCESSLIST_HOST`,`performance_schema`.`threads`.`PROCESSLIST_DB` AS `PROCESSLIST_DB`,`performance_schema`.`threads`.`PROCESSLIST_COMMAND` AS `PROCESSLIST_COMMAND`,`performance_schema`.`threads`.`PROCESSLIST_TIME` AS `PROCESSLIST_TIME`,`performance_schema`.`threads`.`PROCESSLIST_STATE` AS `PROCESSLIST_STATE`,`performance_schema`.`threads`.`PROCESSLIST_INFO` AS `PROCESSLIST_INFO`,`performance_schema`.`threads`.`PARENT_THREAD_ID` AS `PARENT_THREAD_ID`,`performance_schema`.`threads`.`ROLE` AS `ROLE`,`performance_schema`.`threads`.`INSTRUMENTED` AS `INSTRUMENTED`,`performance_schema`.`threads`.`HISTORY` AS `HISTORY`,`performance_schema`.`threads`.`CONNECTION_TYPE` AS `CONNECTION_TYPE`,`performance_schema`.`threads`.`THREAD_OS_ID` AS `THREAD_OS_ID`,`performance_schema`.`threads`.`RESOURCE_GROUP` AS `RESOURCE_GROUP` from `performance_schema`.`threads` where (`performance_schema`.`threads`.`NAME` < 'bar')
explain select * from performance_schema.threads
where NAME like "thread/sql/%";
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	threads	NULL	ALL	NAME	NULL	NULL	NULL	256	11.11	Using where
Warnings:
Note	1003	/* select#1 */ select `performance_schema`.`threads`.`THREAD_ID` AS `THREAD_ID`,`performance_schema`.`threads`.`NAME` AS `NAME`,`performance_schema`.`threads`.`TYPE` AS `TYPE`,`performance_schema`.`threads`.`PROCESSLIST_ID` AS `PROCESSLIST_ID`,`performance_schema`.`threads`.`PROCESSLIST_USER` AS `PROCESSLIST_USER`,`performance_schema`.`threads`.`PROCESSLIST_HOST` AS `PROCESSLIST_HOST`,`performance_schema`.`threads`.`PROCESSLIST_DB` AS `PROCESSLIST_DB`,`performance_schema`.`threads`.`PROCESSLIST_COMMAND` AS `PROCESSLIST_COMMAND`,`performance_schema`.`threads`.`PROCESSLIST_TIME` AS `PROCESSLIST_TIME`,`performance_schema`.`threads`.`PROCESSLIST_STATE` AS `PROCESSLIST_STATE`,`performance_schema`.`threads`.`PROCESSLIST_INFO` AS `PROCESSLIST_INFO`,`performance_schema`.`threads`.`PARENT_THREAD_ID` AS `PARENT_THREAD_ID`,`performance_schema`.`threads`.`ROLE` AS `ROLE`,`performance_schema`.`threads`.`INSTRUMENTED` AS `INSTRUMENTED`,`performance_schema`.`threads`.`HISTORY` AS `HISTORY`,`performance_schema`.`threads`.`CONNECTION_TYPE` AS `CONNECTION_TYPE`,`performance_schema`.`threads`.`THREAD_OS_ID` AS `THREAD_OS_ID`,`performance_schema`.`threads`.`RESOURCE_GROUP` AS `RESOURCE_GROUP` from `performance_schema`.`threads` where (`performance_schema`.`threads`.`NAME` like 'thread/sql/%')
select thread_id, name, processlist_state, processlist_info
from performance_schema.threads
where NAME = "thread/sql/main";
thread_id	name	processlist_state	processlist_info
1	thread/sql/main	NULL	NULL
explain select THREAD_ID from performance_schema.threads
where PROCESSLIST_USER = "impossible";
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	threads	NULL	ref	PROCESSLIST_ACCOUNT	PROCESSLIST_ACCOUNT	131	const	10	100.00	NULL
Warnings:
Note	1003	/* select#1 */ select `performance_schema`.`threads`.`THREAD_ID` AS `THREAD_ID` from `performance_schema`.`threads` where (`performance_schema`.`threads`.`PROCESSLIST_USER` = 'impossible')
explain select THREAD_ID from performance_schema.threads
where PROCESSLIST_USER = "root";
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	threads	NULL	ref	PROCESSLIST_ACCOUNT	PROCESSLIST_ACCOUNT	131	const	10	100.00	NULL
Warnings:
Note	1003	/* select#1 */ select `performance_schema`.`threads`.`THREAD_ID` AS `THREAD_ID` from `performance_schema`.`threads` where (`performance_schema`.`threads`.`PROCESSLIST_USER` = 'root')
explain select * from performance_schema.threads
where PROCESSLIST_USER > "foo";
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	threads	NULL	ALL	PROCESSLIST_ACCOUNT	NULL	NULL	NULL	256	33.33	Using where
Warnings:
Note	1003	/* select#1 */ select `performance_schema`.`threads`.`THREAD_ID` AS `THREAD_ID`,`performance_schema`.`threads`.`NAME` AS `NAME`,`performance_schema`.`threads`.`TYPE` AS `TYPE`,`performance_schema`.`threads`.`PROCESSLIST_ID` AS `PROCESSLIST_ID`,`performance_schema`.`threads`.`PROCESSLIST_USER` AS `PROCESSLIST_USER`,`performance_schema`.`threads`.`PROCESSLIST_HOST` AS `PROCESSLIST_HOST`,`performance_schema`.`threads`.`PROCESSLIST_DB` AS `PROCESSLIST_DB`,`performance_schema`.`threads`.`PROCESSLIST_COMMAND` AS `PROCESSLIST_COMMAND`,`performance_schema`.`threads`.`PROCESSLIST_TIME` AS `PROCESSLIST_TIME`,`performance_schema`.`threads`.`PROCESSLIST_STATE` AS `PROCESSLIST_STATE`,`performance_schema`.`threads`.`PROCESSLIST_INFO` AS `PROCESSLIST_INFO`,`performance_schema`.`threads`.`PARENT_THREAD_ID` AS `PARENT_THREAD_ID`,`performance_schema`.`threads`.`ROLE` AS `ROLE`,`performance_schema`.`threads`.`INSTRUMENTED` AS `INSTRUMENTED`,`performance_schema`.`threads`.`HISTORY` AS `HISTORY`,`performance_schema`.`threads`.`CONNECTION_TYPE` AS `CONNECTION_TYPE`,`performance_schema`.`threads`.`THREAD_OS_ID` AS `THREAD_OS_ID`,`performance_schema`.`threads`.`RESOURCE_GROUP` AS `RESOURCE_GROUP` from `performance_schema`.`threads` where (`performance_schema`.`threads`.`PROCESSLIST_USER` > 'foo')
explain select * from performance_schema.threads
where PROCESSLIST_USER < "bar";
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	threads	NULL	ALL	PROCESSLIST_ACCOUNT	NULL	NULL	NULL	256	33.33	Using where
Warnings:
Note	1003	/* select#1 */ select `performance_schema`.`threads`.`THREAD_ID` AS `THREAD_ID`,`performance_schema`.`threads`.`NAME` AS `NAME`,`performance_schema`.`threads`.`TYPE` AS `TYPE`,`performance_schema`.`threads`.`PROCESSLIST_ID` AS `PROCESSLIST_ID`,`performance_schema`.`threads`.`PROCESSLIST_USER` AS `PROCESSLIST_USER`,`performance_schema`.`threads`.`PROCESSLIST_HOST` AS `PROCESSLIST_HOST`,`performance_schema`.`threads`.`PROCESSLIST_DB` AS `PROCESSLIST_DB`,`performance_schema`.`threads`.`PROCESSLIST_COMMAND` AS `PROCESSLIST_COMMAND`,`performance_schema`.`threads`.`PROCESSLIST_TIME` AS `PROCESSLIST_TIME`,`performance_schema`.`threads`.`PROCESSLIST_STATE` AS `PROCESSLIST_STATE`,`performance_schema`.`threads`.`PROCESSLIST_INFO` AS `PROCESSLIST_INFO`,`performance_schema`.`threads`.`PARENT_THREAD_ID` AS `PARENT_THREAD_ID`,`performance_schema`.`threads`.`ROLE` AS `ROLE`,`performance_schema`.`threads`.`INSTRUMENTED` AS `INSTRUMENTED`,`performance_schema`.`threads`.`HISTORY` AS `HISTORY`,`performance_schema`.`threads`.`CONNECTION_TYPE` AS `CONNECTION_TYPE`,`performance_schema`.`threads`.`THREAD_OS_ID` AS `THREAD_OS_ID`,`performance_schema`.`threads`.`RESOURCE_GROUP` AS `RESOURCE_GROUP` from `performance_schema`.`threads` where (`performance_schema`.`threads`.`PROCESSLIST_USER` < 'bar')
explain select * from performance_schema.threads
where PROCESSLIST_USER like "ro%";
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	threads	NULL	ALL	PROCESSLIST_ACCOUNT	NULL	NULL	NULL	256	11.11	Using where
Warnings:
Note	1003	/* select#1 */ select `performance_schema`.`threads`.`THREAD_ID` AS `THREAD_ID`,`performance_schema`.`threads`.`NAME` AS `NAME`,`performance_schema`.`threads`.`TYPE` AS `TYPE`,`performance_schema`.`threads`.`PROCESSLIST_ID` AS `PROCESSLIST_ID`,`performance_schema`.`threads`.`PROCESSLIST_USER` AS `PROCESSLIST_USER`,`performance_schema`.`threads`.`PROCESSLIST_HOST` AS `PROCESSLIST_HOST`,`performance_schema`.`threads`.`PROCESSLIST_DB` AS `PROCESSLIST_DB`,`performance_schema`.`threads`.`PROCESSLIST_COMMAND` AS `PROCESSLIST_COMMAND`,`performance_schema`.`threads`.`PROCESSLIST_TIME` AS `PROCESSLIST_TIME`,`performance_schema`.`threads`.`PROCESSLIST_STATE` AS `PROCESSLIST_STATE`,`performance_schema`.`threads`.`PROCESSLIST_INFO` AS `PROCESSLIST_INFO`,`performance_schema`.`threads`.`PARENT_THREAD_ID` AS `PARENT_THREAD_ID`,`performance_schema`.`threads`.`ROLE` AS `ROLE`,`performance_schema`.`threads`.`INSTRUMENTED` AS `INSTRUMENTED`,`performance_schema`.`threads`.`HISTORY` AS `HISTORY`,`performance_schema`.`threads`.`CONNECTION_TYPE` AS `CONNECTION_TYPE`,`performance_schema`.`threads`.`THREAD_OS_ID` AS `THREAD_OS_ID`,`performance_schema`.`threads`.`RESOURCE_GROUP` AS `RESOURCE_GROUP` from `performance_schema`.`threads` where (`performance_schema`.`threads`.`PROCESSLIST_USER` like 'ro%')
select thread_id = @tid, name, processlist_state, processlist_info
from performance_schema.threads
where PROCESSLIST_USER = "root";
thread_id = @tid	name	processlist_state	processlist_info
1	thread/sql/one_connection	executing	select thread_id = @tid, name, processlist_state, processlist_info
from performance_schema.threads
where PROCESSLIST_USER = "root"
explain select THREAD_ID from performance_schema.threads
where PROCESSLIST_USER = "impossible" and PROCESSLIST_HOST = "impossible";
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	threads	NULL	ref	PROCESSLIST_ACCOUNT,PROCESSLIST_HOST	PROCESSLIST_ACCOUNT	389	const,const	10	100.00	NULL
Warnings:
Note	1003	/* select#1 */ select `performance_schema`.`threads`.`THREAD_ID` AS `THREAD_ID` from `performance_schema`.`threads` where ((`performance_schema`.`threads`.`PROCESSLIST_HOST` = 'impossible') and (`performance_schema`.`threads`.`PROCESSLIST_USER` = 'impossible'))
explain select THREAD_ID from performance_schema.threads
where PROCESSLIST_USER = "root" and PROCESSLIST_HOST = "localhost";
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	threads	NULL	ref	PROCESSLIST_ACCOUNT,PROCESSLIST_HOST	PROCESSLIST_ACCOUNT	389	const,const	10	100.00	NULL
Warnings:
Note	1003	/* select#1 */ select `performance_schema`.`threads`.`THREAD_ID` AS `THREAD_ID` from `performance_schema`.`threads` where ((`performance_schema`.`threads`.`PROCESSLIST_HOST` = 'localhost') and (`performance_schema`.`threads`.`PROCESSLIST_USER` = 'root'))
explain select * from performance_schema.threads
where PROCESSLIST_USER = "foo" and PROCESSLIST_HOST < "foo";
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	threads	NULL	ref	PROCESSLIST_ACCOUNT,PROCESSLIST_HOST	PROCESSLIST_ACCOUNT	131	const	10	33.33	Using where
Warnings:
Note	1003	/* select#1 */ select `performance_schema`.`threads`.`THREAD_ID` AS `THREAD_ID`,`performance_schema`.`threads`.`NAME` AS `NAME`,`performance_schema`.`threads`.`TYPE` AS `TYPE`,`performance_schema`.`threads`.`PROCESSLIST_ID` AS `PROCESSLIST_ID`,`performance_schema`.`threads`.`PROCESSLIST_USER` AS `PROCESSLIST_USER`,`performance_schema`.`threads`.`PROCESSLIST_HOST` AS `PROCESSLIST_HOST`,`performance_schema`.`threads`.`PROCESSLIST_DB` AS `PROCESSLIST_DB`,`performance_schema`.`threads`.`PROCESSLIST_COMMAND` AS `PROCESSLIST_COMMAND`,`performance_schema`.`threads`.`PROCESSLIST_TIME` AS `PROCESSLIST_TIME`,`performance_schema`.`threads`.`PROCESSLIST_STATE` AS `PROCESSLIST_STATE`,`performance_schema`.`threads`.`PROCESSLIST_INFO` AS `PROCESSLIST_INFO`,`performance_schema`.`threads`.`PARENT_THREAD_ID` AS `PARENT_THREAD_ID`,`performance_schema`.`threads`.`ROLE` AS `ROLE`,`performance_schema`.`threads`.`INSTRUMENTED` AS `INSTRUMENTED`,`performance_schema`.`threads`.`HISTORY` AS `HISTORY`,`performance_schema`.`threads`.`CONNECTION_TYPE` AS `CONNECTION_TYPE`,`performance_schema`.`threads`.`THREAD_OS_ID` AS `THREAD_OS_ID`,`performance_schema`.`threads`.`RESOURCE_GROUP` AS `RESOURCE_GROUP` from `performance_schema`.`threads` where ((`performance_schema`.`threads`.`PROCESSLIST_USER` = 'foo') and (`performance_schema`.`threads`.`PROCESSLIST_HOST` < 'foo'))
explain select * from performance_schema.threads
where PROCESSLIST_USER = "foo" and PROCESSLIST_HOST > "bar";
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	threads	NULL	ref	PROCESSLIST_ACCOUNT,PROCESSLIST_HOST	PROCESSLIST_ACCOUNT	131	const	10	33.33	Using where
Warnings:
Note	1003	/* select#1 */ select `performance_schema`.`threads`.`THREAD_ID` AS `THREAD_ID`,`performance_schema`.`threads`.`NAME` AS `NAME`,`performance_schema`.`threads`.`TYPE` AS `TYPE`,`performance_schema`.`threads`.`PROCESSLIST_ID` AS `PROCESSLIST_ID`,`performance_schema`.`threads`.`PROCESSLIST_USER` AS `PROCESSLIST_USER`,`performance_schema`.`threads`.`PROCESSLIST_HOST` AS `PROCESSLIST_HOST`,`performance_schema`.`threads`.`PROCESSLIST_DB` AS `PROCESSLIST_DB`,`performance_schema`.`threads`.`PROCESSLIST_COMMAND` AS `PROCESSLIST_COMMAND`,`performance_schema`.`threads`.`PROCESSLIST_TIME` AS `PROCESSLIST_TIME`,`performance_schema`.`threads`.`PROCESSLIST_STATE` AS `PROCESSLIST_STATE`,`performance_schema`.`threads`.`PROCESSLIST_INFO` AS `PROCESSLIST_INFO`,`performance_schema`.`threads`.`PARENT_THREAD_ID` AS `PARENT_THREAD_ID`,`performance_schema`.`threads`.`ROLE` AS `ROLE`,`performance_schema`.`threads`.`INSTRUMENTED` AS `INSTRUMENTED`,`performance_schema`.`threads`.`HISTORY` AS `HISTORY`,`performance_schema`.`threads`.`CONNECTION_TYPE` AS `CONNECTION_TYPE`,`performance_schema`.`threads`.`THREAD_OS_ID` AS `THREAD_OS_ID`,`performance_schema`.`threads`.`RESOURCE_GROUP` AS `RESOURCE_GROUP` from `performance_schema`.`threads` where ((`performance_schema`.`threads`.`PROCESSLIST_USER` = 'foo') and (`performance_schema`.`threads`.`PROCESSLIST_HOST` > 'bar'))
explain select * from performance_schema.threads
where PROCESSLIST_USER = "foo" and PROCESSLIST_HOST like "bar%";
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	threads	NULL	ref	PROCESSLIST_ACCOUNT,PROCESSLIST_HOST	PROCESSLIST_ACCOUNT	131	const	10	11.11	Using where
Warnings:
Note	1003	/* select#1 */ select `performance_schema`.`threads`.`THREAD_ID` AS `THREAD_ID`,`performance_schema`.`threads`.`NAME` AS `NAME`,`performance_schema`.`threads`.`TYPE` AS `TYPE`,`performance_schema`.`threads`.`PROCESSLIST_ID` AS `PROCESSLIST_ID`,`performance_schema`.`threads`.`PROCESSLIST_USER` AS `PROCESSLIST_USER`,`performance_schema`.`threads`.`PROCESSLIST_HOST` AS `PROCESSLIST_HOST`,`performance_schema`.`threads`.`PROCESSLIST_DB` AS `PROCESSLIST_DB`,`performance_schema`.`threads`.`PROCESSLIST_COMMAND` AS `PROCESSLIST_COMMAND`,`performance_schema`.`threads`.`PROCESSLIST_TIME` AS `PROCESSLIST_TIME`,`performance_schema`.`threads`.`PROCESSLIST_STATE` AS `PROCESSLIST_STATE`,`performance_schema`.`threads`.`PROCESSLIST_INFO` AS `PROCESSLIST_INFO`,`performance_schema`.`threads`.`PARENT_THREAD_ID` AS `PARENT_THREAD_ID`,`performance_schema`.`threads`.`ROLE` AS `ROLE`,`performance_schema`.`threads`.`INSTRUMENTED` AS `INSTRUMENTED`,`performance_schema`.`threads`.`HISTORY` AS `HISTORY`,`performance_schema`.`threads`.`CONNECTION_TYPE` AS `CONNECTION_TYPE`,`performance_schema`.`threads`.`THREAD_OS_ID` AS `THREAD_OS_ID`,`performance_schema`.`threads`.`RESOURCE_GROUP` AS `RESOURCE_GROUP` from `performance_schema`.`threads` where ((`performance_schema`.`threads`.`PROCESSLIST_USER` = 'foo') and (`performance_schema`.`threads`.`PROCESSLIST_HOST` like 'bar%'))
select thread_id = @tid, name, processlist_state, processlist_info
from performance_schema.threads
where PROCESSLIST_USER = "root" and PROCESSLIST_HOST = "localhost";
thread_id = @tid	name	processlist_state	processlist_info
1	thread/sql/one_connection	executing	select thread_id = @tid, name, processlist_state, processlist_info
from performance_schema.threads
where PROCESSLIST_USER = "root" and PROCESSLIST_HOST = "localhost"
explain select THREAD_ID from performance_schema.threads
where PROCESSLIST_HOST = "impossible";
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	threads	NULL	ref	PROCESSLIST_HOST	PROCESSLIST_HOST	258	const	10	100.00	NULL
Warnings:
Note	1003	/* select#1 */ select `performance_schema`.`threads`.`THREAD_ID` AS `THREAD_ID` from `performance_schema`.`threads` where (`performance_schema`.`threads`.`PROCESSLIST_HOST` = 'impossible')
explain select THREAD_ID from performance_schema.threads
where PROCESSLIST_HOST = "localhost";
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	threads	NULL	ref	PROCESSLIST_HOST	PROCESSLIST_HOST	258	const	10	100.00	NULL
Warnings:
Note	1003	/* select#1 */ select `performance_schema`.`threads`.`THREAD_ID` AS `THREAD_ID` from `performance_schema`.`threads` where (`performance_schema`.`threads`.`PROCESSLIST_HOST` = 'localhost')
explain select * from performance_schema.threads
where PROCESSLIST_HOST > "foo";
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	threads	NULL	ALL	PROCESSLIST_HOST	NULL	NULL	NULL	256	33.33	Using where
Warnings:
Note	1003	/* select#1 */ select `performance_schema`.`threads`.`THREAD_ID` AS `THREAD_ID`,`performance_schema`.`threads`.`NAME` AS `NAME`,`performance_schema`.`threads`.`TYPE` AS `TYPE`,`performance_schema`.`threads`.`PROCESSLIST_ID` AS `PROCESSLIST_ID`,`performance_schema`.`threads`.`PROCESSLIST_USER` AS `PROCESSLIST_USER`,`performance_schema`.`threads`.`PROCESSLIST_HOST` AS `PROCESSLIST_HOST`,`performance_schema`.`threads`.`PROCESSLIST_DB` AS `PROCESSLIST_DB`,`performance_schema`.`threads`.`PROCESSLIST_COMMAND` AS `PROCESSLIST_COMMAND`,`performance_schema`.`threads`.`PROCESSLIST_TIME` AS `PROCESSLIST_TIME`,`performance_schema`.`threads`.`PROCESSLIST_STATE` AS `PROCESSLIST_STATE`,`performance_schema`.`threads`.`PROCESSLIST_INFO` AS `PROCESSLIST_INFO`,`performance_schema`.`threads`.`PARENT_THREAD_ID` AS `PARENT_THREAD_ID`,`performance_schema`.`threads`.`ROLE` AS `ROLE`,`performance_schema`.`threads`.`INSTRUMENTED` AS `INSTRUMENTED`,`performance_schema`.`threads`.`HISTORY` AS `HISTORY`,`performance_schema`.`threads`.`CONNECTION_TYPE` AS `CONNECTION_TYPE`,`performance_schema`.`threads`.`THREAD_OS_ID` AS `THREAD_OS_ID`,`performance_schema`.`threads`.`RESOURCE_GROUP` AS `RESOURCE_GROUP` from `performance_schema`.`threads` where (`performance_schema`.`threads`.`PROCESSLIST_HOST` > 'foo')
explain select * from performance_schema.threads
where PROCESSLIST_HOST < "bar";
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	threads	NULL	ALL	PROCESSLIST_HOST	NULL	NULL	NULL	256	33.33	Using where
Warnings:
Note	1003	/* select#1 */ select `performance_schema`.`threads`.`THREAD_ID` AS `THREAD_ID`,`performance_schema`.`threads`.`NAME` AS `NAME`,`performance_schema`.`threads`.`TYPE` AS `TYPE`,`performance_schema`.`threads`.`PROCESSLIST_ID` AS `PROCESSLIST_ID`,`performance_schema`.`threads`.`PROCESSLIST_USER` AS `PROCESSLIST_USER`,`performance_schema`.`threads`.`PROCESSLIST_HOST` AS `PROCESSLIST_HOST`,`performance_schema`.`threads`.`PROCESSLIST_DB` AS `PROCESSLIST_DB`,`performance_schema`.`threads`.`PROCESSLIST_COMMAND` AS `PROCESSLIST_COMMAND`,`performance_schema`.`threads`.`PROCESSLIST_TIME` AS `PROCESSLIST_TIME`,`performance_schema`.`threads`.`PROCESSLIST_STATE` AS `PROCESSLIST_STATE`,`performance_schema`.`threads`.`PROCESSLIST_INFO` AS `PROCESSLIST_INFO`,`performance_schema`.`threads`.`PARENT_THREAD_ID` AS `PARENT_THREAD_ID`,`performance_schema`.`threads`.`ROLE` AS `ROLE`,`performance_schema`.`threads`.`INSTRUMENTED` AS `INSTRUMENTED`,`performance_schema`.`threads`.`HISTORY` AS `HISTORY`,`performance_schema`.`threads`.`CONNECTION_TYPE` AS `CONNECTION_TYPE`,`performance_schema`.`threads`.`THREAD_OS_ID` AS `THREAD_OS_ID`,`performance_schema`.`threads`.`RESOURCE_GROUP` AS `RESOURCE_GROUP` from `performance_schema`.`threads` where (`performance_schema`.`threads`.`PROCESSLIST_HOST` < 'bar')
explain select * from performance_schema.threads
where PROCESSLIST_HOST like "local%";
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	threads	NULL	ALL	PROCESSLIST_HOST	NULL	NULL	NULL	256	11.11	Using where
Warnings:
Note	1003	/* select#1 */ select `performance_schema`.`threads`.`THREAD_ID` AS `THREAD_ID`,`performance_schema`.`threads`.`NAME` AS `NAME`,`performance_schema`.`threads`.`TYPE` AS `TYPE`,`performance_schema`.`threads`.`PROCESSLIST_ID` AS `PROCESSLIST_ID`,`performance_schema`.`threads`.`PROCESSLIST_USER` AS `PROCESSLIST_USER`,`performance_schema`.`threads`.`PROCESSLIST_HOST` AS `PROCESSLIST_HOST`,`performance_schema`.`threads`.`PROCESSLIST_DB` AS `PROCESSLIST_DB`,`performance_schema`.`threads`.`PROCESSLIST_COMMAND` AS `PROCESSLIST_COMMAND`,`performance_schema`.`threads`.`PROCESSLIST_TIME` AS `PROCESSLIST_TIME`,`performance_schema`.`threads`.`PROCESSLIST_STATE` AS `PROCESSLIST_STATE`,`performance_schema`.`threads`.`PROCESSLIST_INFO` AS `PROCESSLIST_INFO`,`performance_schema`.`threads`.`PARENT_THREAD_ID` AS `PARENT_THREAD_ID`,`performance_schema`.`threads`.`ROLE` AS `ROLE`,`performance_schema`.`threads`.`INSTRUMENTED` AS `INSTRUMENTED`,`performance_schema`.`threads`.`HISTORY` AS `HISTORY`,`performance_schema`.`threads`.`CONNECTION_TYPE` AS `CONNECTION_TYPE`,`performance_schema`.`threads`.`THREAD_OS_ID` AS `THREAD_OS_ID`,`performance_schema`.`threads`.`RESOURCE_GROUP` AS `RESOURCE_GROUP` from `performance_schema`.`threads` where (`performance_schema`.`threads`.`PROCESSLIST_HOST` like 'local%')
select thread_id = @tid, name, processlist_state, processlist_info
from performance_schema.threads
where PROCESSLIST_HOST = "localhost";
thread_id = @tid	name	processlist_state	processlist_info
1	thread/sql/one_connection	executing	select thread_id = @tid, name, processlist_state, processlist_info
from performance_schema.threads
where PROCESSLIST_HOST = "localhost"