CREATE TABLE test.v1 (a int, b int);
INSERT INTO test.v1 VALUES (1, 100), (2, 200), (3, 300);
CREATE TABLE test.t1 (a int, b int);
INSERT INTO test.t1 VALUES (1, 100), (2, 200), (3, 300);
TRUNCATE TABLE performance_schema.events_statements_summary_by_digest;
EXPLAIN EXTENDED SELECT * from test.v1;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	v1	ALL	NULL	NULL	NULL	NULL	3	100.00	
Warnings:
Note	1003	select `test`.`v1`.`a` AS `a`,`test`.`v1`.`b` AS `b` from `test`.`v1`
EXPLAIN EXTENDED SELECT * from test.v1 where a = 1;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	v1	ALL	NULL	NULL	NULL	NULL	3	100.00	Using where
Warnings:
Note	1003	select `test`.`v1`.`a` AS `a`,`test`.`v1`.`b` AS `b` from `test`.`v1` where `test`.`v1`.`a` = 1
EXPLAIN EXTENDED SELECT * from test.v1 where b > 100;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	v1	ALL	NULL	NULL	NULL	NULL	3	100.00	Using where
Warnings:
Note	1003	select `test`.`v1`.`a` AS `a`,`test`.`v1`.`b` AS `b` from `test`.`v1` where `test`.`v1`.`b` > 100
EXPLAIN EXTENDED SELECT a, b from test.v1;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	v1	ALL	NULL	NULL	NULL	NULL	3	100.00	
Warnings:
Note	1003	select `test`.`v1`.`a` AS `a`,`test`.`v1`.`b` AS `b` from `test`.`v1`
EXPLAIN EXTENDED SELECT b, a from test.v1;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	v1	ALL	NULL	NULL	NULL	NULL	3	100.00	
Warnings:
Note	1003	select `test`.`v1`.`b` AS `b`,`test`.`v1`.`a` AS `a` from `test`.`v1`
SELECT * from test.v1;
a	b
1	100
2	200
3	300
SELECT * from test.v1 where a = 1;
a	b
1	100
SELECT * from test.v1 where b > 100;
a	b
2	200
3	300
SELECT a, b from test.v1;
a	b
1	100
2	200
3	300
SELECT b, a from test.v1;
b	a
100	1
200	2
300	3
#
# DIGESTS SEEN ON TABLE
#
SELECT SCHEMA_NAME, DIGEST_TEXT, COUNT_STAR
FROM performance_schema.events_statements_summary_by_digest
ORDER BY DIGEST_TEXT;
SCHEMA_NAME	DIGEST_TEXT	COUNT_STAR
test	EXPLAIN EXTENDED SELECT * FROM `test` . `v1` 	1
test	EXPLAIN EXTENDED SELECT * FROM `test` . `v1` WHERE `a` = ? 	1
test	EXPLAIN EXTENDED SELECT * FROM `test` . `v1` WHERE `b` > ? 	1
test	EXPLAIN EXTENDED SELECT `a` , `b` FROM `test` . `v1` 	1
test	EXPLAIN EXTENDED SELECT `b` , `a` FROM `test` . `v1` 	1
test	SELECT * FROM `test` . `v1` 	1
test	SELECT * FROM `test` . `v1` WHERE `a` = ? 	1
test	SELECT * FROM `test` . `v1` WHERE `b` > ? 	1
test	SELECT `a` , `b` FROM `test` . `v1` 	1
test	SELECT `b` , `a` FROM `test` . `v1` 	1
test	SHOW WARNINGS 	5
test	TRUNCATE TABLE `performance_schema` . `events_statements_summary_by_digest` 	1
DROP TABLE test.v1;
CREATE VIEW test.v1 AS SELECT * FROM test.t1;
EXPLAIN EXTENDED SELECT * from test.v1;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	3	100.00	
Warnings:
Note	1003	select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1`
EXPLAIN EXTENDED SELECT * from test.v1 where a = 1;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	3	100.00	Using where
Warnings:
Note	1003	select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1` where `test`.`t1`.`a` = 1
EXPLAIN EXTENDED SELECT * from test.v1 where b > 100;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	3	100.00	Using where
Warnings:
Note	1003	select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1` where `test`.`t1`.`b` > 100
EXPLAIN EXTENDED SELECT a, b from test.v1;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	3	100.00	
Warnings:
Note	1003	select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1`
EXPLAIN EXTENDED SELECT b, a from test.v1;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	3	100.00	
Warnings:
Note	1003	select `test`.`t1`.`b` AS `b`,`test`.`t1`.`a` AS `a` from `test`.`t1`
SELECT * from test.v1;
a	b
1	100
2	200
3	300
SELECT * from test.v1 where a = 1;
a	b
1	100
SELECT * from test.v1 where b > 100;
a	b
2	200
3	300
SELECT a, b from test.v1;
a	b
1	100
2	200
3	300
SELECT b, a from test.v1;
b	a
100	1
200	2
300	3
#
# DIGESTS SEEN ON VIEW
#
SELECT SCHEMA_NAME, DIGEST_TEXT, COUNT_STAR
FROM performance_schema.events_statements_summary_by_digest
ORDER BY DIGEST_TEXT;
SCHEMA_NAME	DIGEST_TEXT	COUNT_STAR
test	CREATE VIEW `test` . `v1` AS SELECT * FROM `test` . `t1` 	1
test	DROP TABLE `test` . `v1` 	1
test	EXPLAIN EXTENDED SELECT * FROM `test` . `v1` 	2
test	EXPLAIN EXTENDED SELECT * FROM `test` . `v1` WHERE `a` = ? 	2
test	EXPLAIN EXTENDED SELECT * FROM `test` . `v1` WHERE `b` > ? 	2
test	EXPLAIN EXTENDED SELECT `a` , `b` FROM `test` . `v1` 	2
test	EXPLAIN EXTENDED SELECT `b` , `a` FROM `test` . `v1` 	2
test	SELECT * FROM `test` . `v1` 	2
test	SELECT * FROM `test` . `v1` WHERE `a` = ? 	2
test	SELECT * FROM `test` . `v1` WHERE `b` > ? 	2
test	SELECT SCHEMA_NAME , `DIGEST_TEXT` , `COUNT_STAR` FROM `performance_schema` . `events_statements_summary_by_digest` ORDER BY `DIGEST_TEXT` 	1
test	SELECT `a` , `b` FROM `test` . `v1` 	2
test	SELECT `b` , `a` FROM `test` . `v1` 	2
test	SHOW WARNINGS 	10
test	TRUNCATE TABLE `performance_schema` . `events_statements_summary_by_digest` 	1
DROP VIEW test.v1;
DROP TABLE test.t1;
CREATE TABLE test.v1 (a int, b int);
INSERT INTO test.v1 VALUES (1, 100), (2, 200), (3, 300);
CREATE TABLE test.t1 (a int, b int);
INSERT INTO test.t1 VALUES (1, 100), (2, 200), (3, 300);
TRUNCATE TABLE performance_schema.events_statements_summary_by_digest;
EXPLAIN SELECT * from test.v1;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	v1	ALL	NULL	NULL	NULL	NULL	3	
EXPLAIN SELECT * from test.v1 where a = 1;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	v1	ALL	NULL	NULL	NULL	NULL	3	Using where
EXPLAIN SELECT * from test.v1 where b > 100;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	v1	ALL	NULL	NULL	NULL	NULL	3	Using where
EXPLAIN SELECT a, b from test.v1;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	v1	ALL	NULL	NULL	NULL	NULL	3	
EXPLAIN SELECT b, a from test.v1;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	v1	ALL	NULL	NULL	NULL	NULL	3	
SELECT * from test.v1;
a	b
1	100
2	200
3	300
SELECT * from test.v1 where a = 1;
a	b
1	100
SELECT * from test.v1 where b > 100;
a	b
2	200
3	300
SELECT a, b from test.v1;
a	b
1	100
2	200
3	300
SELECT b, a from test.v1;
b	a
100	1
200	2
300	3
#
# DIGESTS SEEN ON TABLE
#
SELECT SCHEMA_NAME, check_digest(DIGEST), DIGEST_TEXT, COUNT_STAR
FROM performance_schema.events_statements_summary_by_digest
ORDER BY DIGEST_TEXT;
SCHEMA_NAME	check_digest(DIGEST)	DIGEST_TEXT	COUNT_STAR
test	1	EXPLAIN SELECT * FROM `test` . `v1` 	1
test	1	EXPLAIN SELECT * FROM `test` . `v1` WHERE `a` = ? 	1
test	1	EXPLAIN SELECT * FROM `test` . `v1` WHERE `b` > ? 	1
test	1	EXPLAIN SELECT `a` , `b` FROM `test` . `v1` 	1
test	1	EXPLAIN SELECT `b` , `a` FROM `test` . `v1` 	1
test	1	SELECT * FROM `test` . `v1` 	1
test	1	SELECT * FROM `test` . `v1` WHERE `a` = ? 	1
test	1	SELECT * FROM `test` . `v1` WHERE `b` > ? 	1
test	1	SELECT `a` , `b` FROM `test` . `v1` 	1
test	1	SELECT `b` , `a` FROM `test` . `v1` 	1
test	1	TRUNCATE TABLE `performance_schema` . `events_statements_summary_by_digest` 	1
DROP TABLE test.v1;
CREATE VIEW test.v1 AS SELECT * FROM test.t1;
EXPLAIN SELECT * from test.v1;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	3	
EXPLAIN SELECT * from test.v1 where a = 1;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	3	Using where
EXPLAIN SELECT * from test.v1 where b > 100;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	3	Using where
EXPLAIN SELECT a, b from test.v1;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	3	
EXPLAIN SELECT b, a from test.v1;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	3	
SELECT * from test.v1;
a	b
1	100
2	200
3	300
SELECT * from test.v1 where a = 1;
a	b
1	100
SELECT * from test.v1 where b > 100;
a	b
2	200
3	300
SELECT a, b from test.v1;
a	b
1	100
2	200
3	300
SELECT b, a from test.v1;
b	a
100	1
200	2
300	3
#
# DIGESTS SEEN ON VIEW
#
call reset_digests;
SELECT SCHEMA_NAME, check_digest(DIGEST), DIGEST_TEXT, COUNT_STAR
FROM performance_schema.events_statements_summary_by_digest
ORDER BY DIGEST_TEXT;
SCHEMA_NAME	check_digest(DIGEST)	DIGEST_TEXT	COUNT_STAR
test	1	CALL `reset_digests` 	1
test	1	CREATE VIEW `test` . `v1` AS SELECT * FROM `test` . `t1` 	1
test	1	DROP TABLE `test` . `v1` 	1
test	1	EXPLAIN SELECT * FROM `test` . `v1` 	2
test	1	EXPLAIN SELECT * FROM `test` . `v1` WHERE `a` = ? 	2
test	1	EXPLAIN SELECT * FROM `test` . `v1` WHERE `b` > ? 	2
test	1	EXPLAIN SELECT `a` , `b` FROM `test` . `v1` 	2
test	1	EXPLAIN SELECT `b` , `a` FROM `test` . `v1` 	2
test	1	SELECT * FROM `test` . `v1` 	2
test	1	SELECT * FROM `test` . `v1` WHERE `a` = ? 	2
test	1	SELECT * FROM `test` . `v1` WHERE `b` > ? 	2
test	1	SELECT SCHEMA_NAME , `check_digest` ( `DIGEST` ) , `DIGEST_TEXT` , `COUNT_STAR` FROM `performance_schema` . `events_statements_summary_by_digest` ORDER BY `DIGEST_TEXT` 	1
test	1	SELECT `a` , `b` FROM `test` . `v1` 	2
test	1	SELECT `b` , `a` FROM `test` . `v1` 	2
test	1	TRUNCATE TABLE `performance_schema` . `events_statements_summary_by_digest` 	1
DROP VIEW test.v1;
DROP TABLE test.t1;