create table t1 (a int, b int);
insert into t1 values (1,2),(4,6),(9,7),
(1,1),(2,5),(7,8);
# just VALUES
values (1,2);
1	2
1	2
values (1,2), (3,4), (5.6,0);
1	2
1.0	2
3.0	4
5.6	0
values ("abc", "def");
abc	def
abc	def
# UNION that uses VALUES structure(s)
select 1,2
union
values (1,2);
1	2
1	2
values (1,2)
union
select 1,2;
1	2
1	2
select 1,2
union
values (1,2),(3,4),(5,6),(7,8);
1	2
1	2
3	4
5	6
7	8
select 3,7
union
values (1,2),(3,4),(5,6);
3	7
3	7
1	2
3	4
5	6
select 3,7,4
union
values (1,2,5),(4,5,6);
3	7	4
3	7	4
1	2	5
4	5	6
select 1,2
union
values (1,7),(3,6.5);
1	2
1	2.0
1	7.0
3	6.5
select 1,2
union
values (1,2.0),(3,6);
1	2
1	2.0
3	6.0
select 1.8,2
union
values (1,2),(3,6);
1.8	2
1.8	2
1.0	2
3.0	6
values (1,2.4),(3,6)
union
select 2.8,9;
1	2.4
1.0	2.4
3.0	6.0
2.8	9.0
values (1,2),(3,4),(5,6),(7,8)
union
select 5,6;
1	2
1	2
3	4
5	6
7	8
select "ab","cdf"
union
values ("al","zl"),("we","q");
ab	cdf
ab	cdf
al	zl
we	q
values ("ab", "cdf")
union
select "ab","cdf";
ab	cdf
ab	cdf
values (1,2)
union
values (1,2),(5,6);
1	2
1	2
5	6
values (1,2)
union
values (3,4),(5,6);
1	2
1	2
3	4
5	6
values (1,2)
union
values (1,2)
union values (4,5);
1	2
1	2
4	5
# UNION ALL that uses VALUES structure
values (1,2),(3,4)
union all
select 5,6;
1	2
1	2
3	4
5	6
values (1,2),(3,4)
union all
select 1,2;
1	2
1	2
3	4
1	2
select 5,6
union all
values (1,2),(3,4);
5	6
5	6
1	2
3	4
select 1,2
union all
values (1,2),(3,4);
1	2
1	2
1	2
3	4
values (1,2)
union all
values (1,2),(5,6);
1	2
1	2
1	2
5	6
values (1,2)
union all
values (3,4),(5,6);
1	2
1	2
3	4
5	6
values (1,2)
union all
values (1,2)
union all
values (4,5);
1	2
1	2
1	2
4	5
values (1,2)
union all
values (1,2)
union values (1,2);
1	2
1	2
values (1,2)
union
values (1,2)
union all
values (1,2);
1	2
1	2
1	2
# EXCEPT that uses VALUES structure(s)
select 1,2
except
values (3,4),(5,6);
1	2
1	2
select 1,2
except
values (1,2),(3,4);
1	2
values (1,2),(3,4)
except
select 5,6;
1	2
1	2
3	4
values (1,2),(3,4)
except
select 1,2;
1	2
3	4
values (1,2),(3,4)
except
values (5,6);
1	2
1	2
3	4
values (1,2),(3,4)
except
values (1,2);
1	2
3	4
# INTERSECT that uses VALUES structure(s)
select 1,2
intersect
values (3,4),(5,6);
1	2
select 1,2
intersect
values (1,2),(3,4);
1	2
1	2
values (1,2),(3,4)
intersect
select 5,6;
1	2
values (1,2),(3,4)
intersect
select 1,2;
1	2
1	2
values (1,2),(3,4)
intersect
values (5,6);
1	2
values (1,2),(3,4)
intersect
values (1,2);
1	2
1	2
# combination of different structures that uses VALUES structures : UNION + EXCEPT
values (1,2),(3,4)
except
select 1,2
union values (1,2);
1	2
1	2
3	4
values (1,2),(3,4)
except
values (1,2)
union
values (1,2);
1	2
1	2
3	4
values (1,2),(3,4)
except
values (1,2)
union
values (3,4);
1	2
3	4
values (1,2),(3,4)
union
values (1,2)
except
values (1,2);
1	2
3	4
# combination of different structures that uses VALUES structures : UNION ALL + EXCEPT
values (1,2),(3,4)
except
select 1,2
union all
values (1,2);
1	2
1	2
3	4
values (1,2),(3,4)
except
values (1,2)
union all
values (1,2);
1	2
1	2
3	4
values (1,2),(3,4)
except
values (1,2)
union all
values (3,4);
1	2
3	4
3	4
values (1,2),(3,4)
union all
values (1,2)
except
values (1,2);
1	2
3	4
# combination of different structures that uses VALUES structures : UNION + INTERSECT
values (1,2),(3,4)
intersect
select 1,2
union
values (1,2);
1	2
1	2
values (1,2),(3,4)
intersect
values (1,2)
union
values (1,2);
1	2
1	2
values (1,2),(3,4)
intersect
values (1,2)
union
values (3,4);
1	2
1	2
3	4
values (1,2),(3,4)
union
values (1,2)
intersect
values (1,2);
1	2
1	2
3	4
# combination of different structures that uses VALUES structures : UNION ALL + INTERSECT
values (1,2),(3,4)
intersect
select 1,2
union all
values (1,2);
1	2
1	2
1	2
values (1,2),(3,4)
intersect
values (1,2)
union all
values (1,2);
1	2
1	2
1	2
values (1,2),(3,4)
intersect
values (1,2)
union all
values (3,4);
1	2
1	2
3	4
values (1,2),(3,4)
union all
values (1,2)
intersect
values (1,2);
1	2
1	2
3	4
1	2
# combination of different structures that uses VALUES structures : UNION + UNION ALL
values (1,2),(3,4)
union all
select 1,2
union
values (1,2);
1	2
1	2
3	4
values (1,2),(3,4)
union all
values (1,2)
union
values (1,2);
1	2
1	2
3	4
values (1,2),(3,4)
union all
values (1,2)
union
values (3,4);
1	2
1	2
3	4
values (1,2),(3,4)
union
values (1,2)
union all
values (1,2);
1	2
1	2
3	4
1	2
values (1,2)
union
values (1,2)
union all
values (1,2);
1	2
1	2
1	2
# CTE that uses VALUES structure(s) : non-recursive CTE
with t2 as
(
values (1,2),(3,4)
)
select * from t2;
1	2
1	2
3	4
with t2 as
(
select 1,2
union
values (1,2)
)
select * from t2;
1	2
1	2
with t2 as
(
select 1,2
union
values (1,2),(3,4)
)
select * from t2;
1	2
1	2
3	4
with t2 as
(
values (1,2)
union
select 1,2
)
select * from t2;
1	2
1	2
with t2 as
(
values (1,2),(3,4)
union
select 1,2
)
select * from t2;
1	2
1	2
3	4
with t2 as
(
values (5,6)
union
values (1,2),(3,4)
)
select * from t2;
5	6
5	6
1	2
3	4
with t2 as
(
values (1,2)
union
values (1,2),(3,4)
)
select * from t2;
1	2
1	2
3	4
with t2 as
(
select 1,2
union all
values (1,2),(3,4)
)
select * from t2;
1	2
1	2
1	2
3	4
with t2 as
(
values (1,2),(3,4)
union all
select 1,2
)
select * from t2;
1	2
1	2
3	4
1	2
with t2 as
(
values (1,2)
union all
values (1,2),(3,4)
)
select * from t2;
1	2
1	2
1	2
3	4
# recursive CTE that uses VALUES structure(s) : singe VALUES structure as anchor
with recursive t2(a,b) as
(
values(1,1)
union
select t1.a, t1.b
from t1,t2
where t1.a=t2.a
)
select * from t2;
a	b
1	1
1	2
with recursive t2(a,b) as
(
values(1,1)
union
select t1.a+1, t1.b
from t1,t2
where t1.a=t2.a
)
select * from t2;
a	b
1	1
2	2
2	1
3	5
# recursive CTE that uses VALUES structure(s) : several VALUES structures as anchors
with recursive t2(a,b) as
(
values(1,1)
union
values (3,4)
union
select t2.a+1, t1.b
from t1,t2
where t1.a=t2.a
)
select * from t2;
a	b
1	1
3	4
2	2
2	1
3	5
# recursive CTE that uses VALUES structure(s) : that uses UNION ALL
with recursive t2(a,b,st) as
(
values(1,1,1)
union all
select t2.a, t1.b, t2.st+1
from t1,t2
where t1.a=t2.a and st<3
)
select * from t2;
a	b	st
1	1	1
1	2	2
1	1	2
1	2	3
1	2	3
1	1	3
1	1	3
# recursive CTE that uses VALUES structure(s) : computation of factorial (first 10 elements)
with recursive fact(n,f) as
(
values(1,1)
union
select n+1,f*n from fact where n < 10
)
select * from fact;
n	f
1	1
2	1
3	2
4	6
5	24
6	120
7	720
8	5040
9	40320
10	362880
# Derived table that uses VALUES structure(s) : singe VALUES structure
select * from (values (1,2),(3,4)) as t2;
1	2
1	2
3	4
# Derived table that uses VALUES structure(s) : UNION with VALUES structure(s)
select * from (select 1,2 union values (1,2)) as t2;
1	2
1	2
select * from (select 1,2 union values (1,2),(3,4)) as t2;
1	2
1	2
3	4
select * from (values (1,2) union select 1,2) as t2;
1	2
1	2
select * from (values (1,2),(3,4) union select 1,2) as t2;
1	2
1	2
3	4
select * from (values (5,6) union values (1,2),(3,4)) as t2;
5	6
5	6
1	2
3	4
select * from (values (1,2) union values (1,2),(3,4)) as t2;
1	2
1	2
3	4
# Derived table that uses VALUES structure(s) : UNION ALL with VALUES structure(s)
select * from (select 1,2 union all values (1,2),(3,4)) as t2;
1	2
1	2
1	2
3	4
select * from (values (1,2),(3,4) union all select 1,2) as t2;
1	2
1	2
3	4
1	2
select * from (values (1,2) union all values (1,2),(3,4)) as t2;
1	2
1	2
1	2
3	4
# CREATE VIEW that uses VALUES structure(s) : singe VALUES structure
create view v1 as values (1,2),(3,4);
select * from v1;
1	2
1	2
3	4
drop view v1;
# CREATE VIEW that uses VALUES structure(s) : UNION with VALUES structure(s)
create view v1 as
select 1,2
union
values (1,2);
select * from v1;
1	2
1	2
drop view v1;
create view v1 as
select 1,2
union
values (1,2),(3,4);
select * from v1;
1	2
1	2
3	4
drop view v1;
create view v1 as
values (1,2)
union
select 1,2;
select * from v1;
1	2
1	2
drop view v1;
create view v1 as
values (1,2),(3,4)
union
select 1,2;
select * from v1;
1	2
1	2
3	4
drop view v1;
create view v1 as
values (5,6)
union
values (1,2),(3,4);
select * from v1;
5	6
5	6
1	2
3	4
drop view v1;
# CREATE VIEW that uses VALUES structure(s) : UNION ALL with VALUES structure(s)
create view v1 as
values (1,2)
union
values (1,2),(3,4);
select * from v1;
1	2
1	2
3	4
drop view v1;
create view v1 as
select 1,2
union all
values (1,2),(3,4);
select * from v1;
1	2
1	2
1	2
3	4
drop view v1;
create view v1 as
values (1,2),(3,4)
union all
select 1,2;
select * from v1;
1	2
1	2
3	4
1	2
drop view v1;
create view v1 as
values (1,2)
union all
values (1,2),(3,4);
select * from v1;
1	2
1	2
1	2
3	4
drop view v1;
# IN-subquery with VALUES structure(s) : simple case
select * from t1
where a in (values (1));
a	b
1	2
1	1
select * from t1
where a in (select * from (values (1)) as tvc_0);
a	b
1	2
1	1
explain extended select * from t1
where a in (values (1));
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	6	100.00	
1	PRIMARY	<subquery3>	eq_ref	distinct_key	distinct_key	4	func	1	100.00	
3	MATERIALIZED	<derived2>	ALL	NULL	NULL	NULL	NULL	2	100.00	
2	DERIVED	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
Warnings:
Note	1003	select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1` semi join ((values (1)) `tvc_0`) where 1
explain extended select * from t1
where a in (select * from (values (1)) as tvc_0);
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	6	100.00	
1	PRIMARY	<subquery2>	eq_ref	distinct_key	distinct_key	4	func	1	100.00	
2	MATERIALIZED	<derived3>	ALL	NULL	NULL	NULL	NULL	2	100.00	
3	DERIVED	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
Warnings:
Note	1003	/* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1` semi join ((values (1)) `tvc_0`) where 1
# IN-subquery with VALUES structure(s) : UNION with VALUES on the first place
select * from t1
where a in (values (1) union select 2);
a	b
1	2
1	1
2	5
select * from t1
where a in (select * from (values (1)) as tvc_0 union 
select 2);
a	b
1	2
1	1
2	5
explain extended select * from t1
where a in (values (1) union select 2);
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	6	100.00	Using where
4	DEPENDENT SUBQUERY	<derived2>	ref	key0	key0	4	func	2	100.00	
2	DERIVED	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
3	DEPENDENT UNION	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
NULL	UNION RESULT	<union4,3>	ALL	NULL	NULL	NULL	NULL	NULL	NULL	
Warnings:
Note	1003	/* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1` where <expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,<exists>(/* select#4 */ select `tvc_0`.`1` from (values (1)) `tvc_0` where <cache>(`test`.`t1`.`a`) = `tvc_0`.`1` union /* select#3 */ select 2 having <cache>(`test`.`t1`.`a`) = <ref_null_helper>(2))))
explain extended select * from t1
where a in (select * from (values (1)) as tvc_0 union 
select 2);
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	6	100.00	Using where
2	DEPENDENT SUBQUERY	<derived3>	ref	key0	key0	4	func	2	100.00	
3	DERIVED	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
4	DEPENDENT UNION	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
NULL	UNION RESULT	<union2,4>	ALL	NULL	NULL	NULL	NULL	NULL	NULL	
Warnings:
Note	1003	/* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1` where <expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,<exists>(/* select#2 */ select `tvc_0`.`1` from (values (1)) `tvc_0` where <cache>(`test`.`t1`.`a`) = `tvc_0`.`1` union /* select#4 */ select 2 having <cache>(`test`.`t1`.`a`) = <ref_null_helper>(2))))
# IN-subquery with VALUES structure(s) : UNION with VALUES on the second place
select * from t1
where a in (select 2 union values (1));
a	b
1	2
1	1
2	5
select * from t1
where a in (select 2 union 
select * from (values (1)) tvc_0);
a	b
1	2
1	1
2	5
explain extended select * from t1
where a in (select 2 union values (1));
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	6	100.00	Using where
2	DEPENDENT SUBQUERY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
4	DEPENDENT UNION	<derived3>	ref	key0	key0	4	func	2	100.00	
3	DERIVED	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
NULL	UNION RESULT	<union2,4>	ALL	NULL	NULL	NULL	NULL	NULL	NULL	
Warnings:
Note	1003	/* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1` where <expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,<exists>(/* select#2 */ select 2 having <cache>(`test`.`t1`.`a`) = <ref_null_helper>(2) union /* select#4 */ select `tvc_0`.`1` from (values (1)) `tvc_0` where <cache>(`test`.`t1`.`a`) = `tvc_0`.`1`)))
explain extended select * from t1
where a in (select 2 union 
select * from (values (1)) tvc_0);
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	6	100.00	Using where
2	DEPENDENT SUBQUERY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
3	DEPENDENT UNION	<derived4>	ref	key0	key0	4	func	2	100.00	
4	DERIVED	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
NULL	UNION RESULT	<union2,3>	ALL	NULL	NULL	NULL	NULL	NULL	NULL	
Warnings:
Note	1003	/* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1` where <expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,<exists>(/* select#2 */ select 2 having <cache>(`test`.`t1`.`a`) = <ref_null_helper>(2) union /* select#3 */ select `tvc_0`.`1` from (values (1)) `tvc_0` where <cache>(`test`.`t1`.`a`) = `tvc_0`.`1`)))
# IN-subquery with VALUES structure(s) : UNION ALL
select * from t1
where a in (values (1) union all select b from t1);
a	b
1	2
1	1
2	5
7	8
select * from t1
where a in (select * from (values (1)) as tvc_0 union all 
select b from t1);
a	b
1	2
1	1
2	5
7	8
explain extended select * from t1
where a in (values (1) union all select b from t1);
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	6	100.00	Using where
4	DEPENDENT SUBQUERY	<derived2>	ref	key0	key0	4	func	2	100.00	
2	DERIVED	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
3	DEPENDENT UNION	t1	ALL	NULL	NULL	NULL	NULL	6	100.00	Using where
Warnings:
Note	1003	/* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1` where <expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,<exists>(/* select#4 */ select `tvc_0`.`1` from (values (1)) `tvc_0` where <cache>(`test`.`t1`.`a`) = `tvc_0`.`1` union all /* select#3 */ select `test`.`t1`.`b` from `test`.`t1` where <cache>(`test`.`t1`.`a`) = `test`.`t1`.`b`)))
explain extended select * from t1
where a in (select * from (values (1)) as tvc_0 union all 
select b from t1);
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	6	100.00	Using where
2	DEPENDENT SUBQUERY	<derived3>	ref	key0	key0	4	func	2	100.00	
3	DERIVED	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
4	DEPENDENT UNION	t1	ALL	NULL	NULL	NULL	NULL	6	100.00	Using where
Warnings:
Note	1003	/* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1` where <expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,<exists>(/* select#2 */ select `tvc_0`.`1` from (values (1)) `tvc_0` where <cache>(`test`.`t1`.`a`) = `tvc_0`.`1` union all /* select#4 */ select `test`.`t1`.`b` from `test`.`t1` where <cache>(`test`.`t1`.`a`) = `test`.`t1`.`b`)))
# NOT IN subquery with VALUES structure(s) : simple case
select * from t1 
where a not in (values (1),(2));
a	b
4	6
9	7
7	8
select * from t1 
where a not in (select * from (values (1),(2)) as tvc_0);
a	b
4	6
9	7
7	8
explain extended select * from t1 
where a not in (values (1),(2));
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	6	100.00	Using where
3	MATERIALIZED	<derived2>	ALL	NULL	NULL	NULL	NULL	2	100.00	
2	DERIVED	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
Warnings:
Note	1003	/* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1` where !<expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,`test`.`t1`.`a` in ( <materialize> (/* select#3 */ select `tvc_0`.`1` from (values (1),(2)) `tvc_0` ), <primary_index_lookup>(`test`.`t1`.`a` in <temporary table> on distinct_key where `test`.`t1`.`a` = `<subquery3>`.`1`))))
explain extended select * from t1 
where a not in (select * from (values (1),(2)) as tvc_0);
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	6	100.00	Using where
2	MATERIALIZED	<derived3>	ALL	NULL	NULL	NULL	NULL	2	100.00	
3	DERIVED	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
Warnings:
Note	1003	/* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1` where !<expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,`test`.`t1`.`a` in ( <materialize> (/* select#2 */ select `tvc_0`.`1` from (values (1),(2)) `tvc_0` ), <primary_index_lookup>(`test`.`t1`.`a` in <temporary table> on distinct_key where `test`.`t1`.`a` = `<subquery2>`.`1`))))
# NOT IN subquery with VALUES structure(s) : UNION with VALUES on the first place
select * from t1
where a not in (values (1) union select 2);
a	b
4	6
9	7
7	8
select * from t1
where a not in (select * from (values (1)) as tvc_0 union 
select 2);
a	b
4	6
9	7
7	8
explain extended select * from t1
where a not in (values (1) union select 2);
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	6	100.00	Using where
4	DEPENDENT SUBQUERY	<derived2>	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where
2	DERIVED	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
3	DEPENDENT UNION	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
NULL	UNION RESULT	<union4,3>	ALL	NULL	NULL	NULL	NULL	NULL	NULL	
Warnings:
Note	1003	/* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1` where !<expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,<exists>(/* select#4 */ select `tvc_0`.`1` from (values (1)) `tvc_0` where trigcond(<cache>(`test`.`t1`.`a`) = `tvc_0`.`1`) union /* select#3 */ select 2 having trigcond(<cache>(`test`.`t1`.`a`) = <ref_null_helper>(2)))))
explain extended select * from t1
where a not in (select * from (values (1)) as tvc_0 union 
select 2);
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	6	100.00	Using where
2	DEPENDENT SUBQUERY	<derived3>	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where
3	DERIVED	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
4	DEPENDENT UNION	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
NULL	UNION RESULT	<union2,4>	ALL	NULL	NULL	NULL	NULL	NULL	NULL	
Warnings:
Note	1003	/* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1` where !<expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,<exists>(/* select#2 */ select `tvc_0`.`1` from (values (1)) `tvc_0` where trigcond(<cache>(`test`.`t1`.`a`) = `tvc_0`.`1`) union /* select#4 */ select 2 having trigcond(<cache>(`test`.`t1`.`a`) = <ref_null_helper>(2)))))
# NOT IN subquery with VALUES structure(s) : UNION with VALUES on the second place
select * from t1
where a not in (select 2 union values (1));
a	b
4	6
9	7
7	8
select * from t1
where a not in (select 2 union 
select * from (values (1)) as tvc_0);
a	b
4	6
9	7
7	8
explain extended select * from t1
where a not in (select 2 union values (1));
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	6	100.00	Using where
2	DEPENDENT SUBQUERY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
4	DEPENDENT UNION	<derived3>	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where
3	DERIVED	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
NULL	UNION RESULT	<union2,4>	ALL	NULL	NULL	NULL	NULL	NULL	NULL	
Warnings:
Note	1003	/* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1` where !<expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,<exists>(/* select#2 */ select 2 having trigcond(<cache>(`test`.`t1`.`a`) = <ref_null_helper>(2)) union /* select#4 */ select `tvc_0`.`1` from (values (1)) `tvc_0` where trigcond(<cache>(`test`.`t1`.`a`) = `tvc_0`.`1`))))
explain extended select * from t1
where a not in (select 2 union 
select * from (values (1)) as tvc_0);
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	6	100.00	Using where
2	DEPENDENT SUBQUERY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
3	DEPENDENT UNION	<derived4>	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where
4	DERIVED	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
NULL	UNION RESULT	<union2,3>	ALL	NULL	NULL	NULL	NULL	NULL	NULL	
Warnings:
Note	1003	/* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1` where !<expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,<exists>(/* select#2 */ select 2 having trigcond(<cache>(`test`.`t1`.`a`) = <ref_null_helper>(2)) union /* select#3 */ select `tvc_0`.`1` from (values (1)) `tvc_0` where trigcond(<cache>(`test`.`t1`.`a`) = `tvc_0`.`1`))))
# ANY-subquery with VALUES structure(s) : simple case
select * from t1 
where a = any (values (1),(2));
a	b
1	2
1	1
2	5
select * from t1 
where a = any (select * from (values (1),(2)) as tvc_0);
a	b
1	2
1	1
2	5
explain extended select * from t1 
where a = any (values (1),(2));
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	6	100.00	
1	PRIMARY	<subquery3>	eq_ref	distinct_key	distinct_key	4	func	1	100.00	
3	MATERIALIZED	<derived2>	ALL	NULL	NULL	NULL	NULL	2	100.00	
2	DERIVED	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
Warnings:
Note	1003	select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1` semi join ((values (1),(2)) `tvc_0`) where 1
explain extended select * from t1 
where a = any (select * from (values (1),(2)) as tvc_0);
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	6	100.00	
1	PRIMARY	<subquery2>	eq_ref	distinct_key	distinct_key	4	func	1	100.00	
2	MATERIALIZED	<derived3>	ALL	NULL	NULL	NULL	NULL	2	100.00	
3	DERIVED	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
Warnings:
Note	1003	/* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1` semi join ((values (1),(2)) `tvc_0`) where 1
# ANY-subquery with VALUES structure(s) : UNION with VALUES on the first place
select * from t1 
where a = any (values (1) union select 2);
a	b
1	2
1	1
2	5
select * from t1
where a = any (select * from (values (1)) as tvc_0 union 
select 2);
a	b
1	2
1	1
2	5
explain extended select * from t1 
where a = any (values (1) union select 2);
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	6	100.00	Using where
4	DEPENDENT SUBQUERY	<derived2>	ref	key0	key0	4	func	2	100.00	
2	DERIVED	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
3	DEPENDENT UNION	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
NULL	UNION RESULT	<union4,3>	ALL	NULL	NULL	NULL	NULL	NULL	NULL	
Warnings:
Note	1003	/* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1` where <expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,<exists>(/* select#4 */ select `tvc_0`.`1` from (values (1)) `tvc_0` where <cache>(`test`.`t1`.`a`) = `tvc_0`.`1` union /* select#3 */ select 2 having <cache>(`test`.`t1`.`a`) = <ref_null_helper>(2))))
explain extended select * from t1
where a = any (select * from (values (1)) as tvc_0 union 
select 2);
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	6	100.00	Using where
2	DEPENDENT SUBQUERY	<derived3>	ref	key0	key0	4	func	2	100.00	
3	DERIVED	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
4	DEPENDENT UNION	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
NULL	UNION RESULT	<union2,4>	ALL	NULL	NULL	NULL	NULL	NULL	NULL	
Warnings:
Note	1003	/* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1` where <expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,<exists>(/* select#2 */ select `tvc_0`.`1` from (values (1)) `tvc_0` where <cache>(`test`.`t1`.`a`) = `tvc_0`.`1` union /* select#4 */ select 2 having <cache>(`test`.`t1`.`a`) = <ref_null_helper>(2))))
# ANY-subquery with VALUES structure(s) : UNION with VALUES on the second place
select * from t1
where a = any (select 2 union values (1));
a	b
1	2
1	1
2	5
select * from t1
where a = any (select 2 union 
select * from (values (1)) as tvc_0);
a	b
1	2
1	1
2	5
explain extended select * from t1
where a = any (select 2 union values (1));
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	6	100.00	Using where
2	DEPENDENT SUBQUERY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
4	DEPENDENT UNION	<derived3>	ref	key0	key0	4	func	2	100.00	
3	DERIVED	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
NULL	UNION RESULT	<union2,4>	ALL	NULL	NULL	NULL	NULL	NULL	NULL	
Warnings:
Note	1003	/* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1` where <expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,<exists>(/* select#2 */ select 2 having <cache>(`test`.`t1`.`a`) = <ref_null_helper>(2) union /* select#4 */ select `tvc_0`.`1` from (values (1)) `tvc_0` where <cache>(`test`.`t1`.`a`) = `tvc_0`.`1`)))
explain extended select * from t1
where a = any (select 2 union 
select * from (values (1)) as tvc_0);
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	6	100.00	Using where
2	DEPENDENT SUBQUERY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
3	DEPENDENT UNION	<derived4>	ref	key0	key0	4	func	2	100.00	
4	DERIVED	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
NULL	UNION RESULT	<union2,3>	ALL	NULL	NULL	NULL	NULL	NULL	NULL	
Warnings:
Note	1003	/* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1` where <expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,<exists>(/* select#2 */ select 2 having <cache>(`test`.`t1`.`a`) = <ref_null_helper>(2) union /* select#3 */ select `tvc_0`.`1` from (values (1)) `tvc_0` where <cache>(`test`.`t1`.`a`) = `tvc_0`.`1`)))
# ALL-subquery with VALUES structure(s) : simple case
select * from t1 
where a = all (values (1));
a	b
1	2
1	1
select * from t1 
where a = all (select * from (values (1)) as tvc_0);
a	b
1	2
1	1
explain extended select * from t1 
where a = all (values (1));
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	6	100.00	Using where
3	DEPENDENT SUBQUERY	<derived2>	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where
2	DERIVED	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
Warnings:
Note	1003	/* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1` where <not>(<expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,<exists>(/* select#3 */ select `tvc_0`.`1` from (values (1)) `tvc_0` where trigcond(<cache>(`test`.`t1`.`a`) <> `tvc_0`.`1`)))))
explain extended select * from t1 
where a = all (select * from (values (1)) as tvc_0);
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	6	100.00	Using where
2	DEPENDENT SUBQUERY	<derived3>	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where
3	DERIVED	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
Warnings:
Note	1003	/* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1` where <not>(<expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,<exists>(/* select#2 */ select `tvc_0`.`1` from (values (1)) `tvc_0` where trigcond(<cache>(`test`.`t1`.`a`) <> `tvc_0`.`1`)))))
# ALL-subquery with VALUES structure(s) : UNION with VALUES on the first place
select * from t1 
where a = all (values (1) union select 1);
a	b
1	2
1	1
select * from t1
where a = all (select * from (values (1)) as tvc_0 union 
select 1);
a	b
1	2
1	1
explain extended select * from t1 
where a = all (values (1) union select 1);
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	6	100.00	Using where
4	DEPENDENT SUBQUERY	<derived2>	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where
2	DERIVED	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
3	DEPENDENT UNION	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
NULL	UNION RESULT	<union4,3>	ALL	NULL	NULL	NULL	NULL	NULL	NULL	
Warnings:
Note	1003	/* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1` where <not>(<expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,<exists>(/* select#4 */ select `tvc_0`.`1` from (values (1)) `tvc_0` where trigcond(<cache>(`test`.`t1`.`a`) <> `tvc_0`.`1`) union /* select#3 */ select 1 having trigcond(<cache>(`test`.`t1`.`a`) <> <ref_null_helper>(1))))))
explain extended select * from t1
where a = all (select * from (values (1)) as tvc_0 union 
select 1);
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	6	100.00	Using where
2	DEPENDENT SUBQUERY	<derived3>	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where
3	DERIVED	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
4	DEPENDENT UNION	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
NULL	UNION RESULT	<union2,4>	ALL	NULL	NULL	NULL	NULL	NULL	NULL	
Warnings:
Note	1003	/* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1` where <not>(<expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,<exists>(/* select#2 */ select `tvc_0`.`1` from (values (1)) `tvc_0` where trigcond(<cache>(`test`.`t1`.`a`) <> `tvc_0`.`1`) union /* select#4 */ select 1 having trigcond(<cache>(`test`.`t1`.`a`) <> <ref_null_helper>(1))))))
# ALL-subquery with VALUES structure(s) : UNION with VALUES on the second place
select * from t1
where a = any (select 1 union values (1));
a	b
1	2
1	1
select * from t1
where a = any (select 1 union 
select * from (values (1)) as tvc_0);
a	b
1	2
1	1
explain extended select * from t1
where a = any (select 1 union values (1));
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	6	100.00	Using where
2	DEPENDENT SUBQUERY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
4	DEPENDENT UNION	<derived3>	ref	key0	key0	4	func	2	100.00	
3	DERIVED	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
NULL	UNION RESULT	<union2,4>	ALL	NULL	NULL	NULL	NULL	NULL	NULL	
Warnings:
Note	1003	/* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1` where <expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,<exists>(/* select#2 */ select 1 having <cache>(`test`.`t1`.`a`) = <ref_null_helper>(1) union /* select#4 */ select `tvc_0`.`1` from (values (1)) `tvc_0` where <cache>(`test`.`t1`.`a`) = `tvc_0`.`1`)))
explain extended select * from t1
where a = any (select 1 union 
select * from (values (1)) as tvc_0);
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	6	100.00	Using where
2	DEPENDENT SUBQUERY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
3	DEPENDENT UNION	<derived4>	ref	key0	key0	4	func	2	100.00	
4	DERIVED	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
NULL	UNION RESULT	<union2,3>	ALL	NULL	NULL	NULL	NULL	NULL	NULL	
Warnings:
Note	1003	/* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1` where <expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,<exists>(/* select#2 */ select 1 having <cache>(`test`.`t1`.`a`) = <ref_null_helper>(1) union /* select#3 */ select `tvc_0`.`1` from (values (1)) `tvc_0` where <cache>(`test`.`t1`.`a`) = `tvc_0`.`1`)))
# prepare statement that uses VALUES structure(s): single VALUES structure
prepare stmt1 from "
values (1,2);
";
execute stmt1;
1	2
1	2
execute stmt1;
1	2
1	2
deallocate prepare stmt1;
# prepare statement that uses VALUES structure(s): UNION with VALUES structure(s)
prepare stmt1 from "
  select 1,2
  union
  values (1,2),(3,4);
";
execute stmt1;
1	2
1	2
3	4
execute stmt1;
1	2
1	2
3	4
deallocate prepare stmt1;
prepare stmt1 from "
  values (1,2),(3,4)
  union
  select 1,2;
";
execute stmt1;
1	2
1	2
3	4
execute stmt1;
1	2
1	2
3	4
deallocate prepare stmt1;
prepare stmt1 from "
  select 1,2
  union
  values (3,4)
  union
  values (1,2);
";
execute stmt1;
1	2
1	2
3	4
execute stmt1;
1	2
1	2
3	4
deallocate prepare stmt1;
prepare stmt1 from "
  values (5,6)
  union
  values (1,2),(3,4);
";
execute stmt1;
5	6
5	6
1	2
3	4
execute stmt1;
5	6
5	6
1	2
3	4
deallocate prepare stmt1;
# prepare statement that uses VALUES structure(s): UNION ALL with VALUES structure(s)
prepare stmt1 from "
  select 1,2
  union
  values (1,2),(3,4);
";
execute stmt1;
1	2
1	2
3	4
execute stmt1;
1	2
1	2
3	4
deallocate prepare stmt1;
prepare stmt1 from "
  values (1,2),(3,4)
  union all
  select 1,2;
";
execute stmt1;
1	2
1	2
3	4
1	2
execute stmt1;
1	2
1	2
3	4
1	2
deallocate prepare stmt1;
prepare stmt1 from "
  select 1,2
  union all
  values (3,4)
  union all
  values (1,2);
";
execute stmt1;
1	2
1	2
3	4
1	2
execute stmt1;
1	2
1	2
3	4
1	2
deallocate prepare stmt1;
prepare stmt1 from "
  values (1,2)
  union all
  values (1,2),(3,4);
";
execute stmt1;
1	2
1	2
1	2
3	4
execute stmt1;
1	2
1	2
1	2
3	4
deallocate prepare stmt1;
# explain query that uses VALUES structure(s): single VALUES structure
explain
values (1,2);
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
explain format=json
values (1,2);
EXPLAIN
{
  "query_block": {
    "union_result": {
      "table_name": "<unit1>",
      "access_type": "ALL",
      "query_specifications": [
        {
          "query_block": {
            "select_id": 1,
            "table": {
              "message": "No tables used"
            }
          }
        }
      ]
    }
  }
}
# explain query that uses VALUES structure(s): UNION with VALUES structure(s)
explain
select 1,2
union
values (1,2),(3,4);
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	PRIMARY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
2	UNION	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
NULL	UNION RESULT	<union1,2>	ALL	NULL	NULL	NULL	NULL	NULL	
explain
values (1,2),(3,4)
union
select 1,2;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	PRIMARY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
2	UNION	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
NULL	UNION RESULT	<union1,2>	ALL	NULL	NULL	NULL	NULL	NULL	
explain
values (5,6)
union
values (1,2),(3,4);
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	PRIMARY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
2	UNION	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
NULL	UNION RESULT	<union1,2>	ALL	NULL	NULL	NULL	NULL	NULL	
explain format=json
select 1,2
union
values (1,2),(3,4);
EXPLAIN
{
  "query_block": {
    "union_result": {
      "table_name": "<union1,2>",
      "access_type": "ALL",
      "query_specifications": [
        {
          "query_block": {
            "select_id": 1,
            "table": {
              "message": "No tables used"
            }
          }
        },
        {
          "query_block": {
            "select_id": 2,
            "operation": "UNION",
            "table": {
              "message": "No tables used"
            }
          }
        }
      ]
    }
  }
}
explain format=json
values (1,2),(3,4)
union
select 1,2;
EXPLAIN
{
  "query_block": {
    "union_result": {
      "table_name": "<union1,2>",
      "access_type": "ALL",
      "query_specifications": [
        {
          "query_block": {
            "select_id": 1,
            "table": {
              "message": "No tables used"
            }
          }
        },
        {
          "query_block": {
            "select_id": 2,
            "operation": "UNION",
            "table": {
              "message": "No tables used"
            }
          }
        }
      ]
    }
  }
}
explain format=json
values (5,6)
union
values (1,2),(3,4);
EXPLAIN
{
  "query_block": {
    "union_result": {
      "table_name": "<union1,2>",
      "access_type": "ALL",
      "query_specifications": [
        {
          "query_block": {
            "select_id": 1,
            "table": {
              "message": "No tables used"
            }
          }
        },
        {
          "query_block": {
            "select_id": 2,
            "operation": "UNION",
            "table": {
              "message": "No tables used"
            }
          }
        }
      ]
    }
  }
}
explain
select 1,2
union
values (3,4)
union
values (1,2);
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	PRIMARY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
2	UNION	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
3	UNION	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
NULL	UNION RESULT	<union1,2,3>	ALL	NULL	NULL	NULL	NULL	NULL	
explain format=json
select 1,2
union
values (3,4)
union
values (1,2);
EXPLAIN
{
  "query_block": {
    "union_result": {
      "table_name": "<union1,2,3>",
      "access_type": "ALL",
      "query_specifications": [
        {
          "query_block": {
            "select_id": 1,
            "table": {
              "message": "No tables used"
            }
          }
        },
        {
          "query_block": {
            "select_id": 2,
            "operation": "UNION",
            "table": {
              "message": "No tables used"
            }
          }
        },
        {
          "query_block": {
            "select_id": 3,
            "operation": "UNION",
            "table": {
              "message": "No tables used"
            }
          }
        }
      ]
    }
  }
}
# explain query that uses VALUES structure(s): UNION ALL with VALUES structure(s)
explain
select 1,2
union
values (1,2),(3,4);
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	PRIMARY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
2	UNION	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
NULL	UNION RESULT	<union1,2>	ALL	NULL	NULL	NULL	NULL	NULL	
explain
values (1,2),(3,4)
union all
select 1,2;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	PRIMARY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
2	UNION	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
explain
values (1,2)
union all
values (1,2),(3,4);
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	PRIMARY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
2	UNION	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
explain format=json
values (1,2),(3,4)
union all
select 1,2;
EXPLAIN
{
  "query_block": {
    "union_result": {
      "table_name": "<union1,2>",
      "access_type": "ALL",
      "query_specifications": [
        {
          "query_block": {
            "select_id": 1,
            "table": {
              "message": "No tables used"
            }
          }
        },
        {
          "query_block": {
            "select_id": 2,
            "operation": "UNION",
            "table": {
              "message": "No tables used"
            }
          }
        }
      ]
    }
  }
}
explain format=json
select 1,2
union
values (1,2),(3,4);
EXPLAIN
{
  "query_block": {
    "union_result": {
      "table_name": "<union1,2>",
      "access_type": "ALL",
      "query_specifications": [
        {
          "query_block": {
            "select_id": 1,
            "table": {
              "message": "No tables used"
            }
          }
        },
        {
          "query_block": {
            "select_id": 2,
            "operation": "UNION",
            "table": {
              "message": "No tables used"
            }
          }
        }
      ]
    }
  }
}
explain format=json
values (1,2)
union all
values (1,2),(3,4);
EXPLAIN
{
  "query_block": {
    "union_result": {
      "table_name": "<union1,2>",
      "access_type": "ALL",
      "query_specifications": [
        {
          "query_block": {
            "select_id": 1,
            "table": {
              "message": "No tables used"
            }
          }
        },
        {
          "query_block": {
            "select_id": 2,
            "operation": "UNION",
            "table": {
              "message": "No tables used"
            }
          }
        }
      ]
    }
  }
}
explain
select 1,2
union all
values (3,4)
union all
values (1,2);
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	PRIMARY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
2	UNION	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
3	UNION	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
explain format=json
select 1,2
union all
values (3,4)
union all
values (1,2);
EXPLAIN
{
  "query_block": {
    "union_result": {
      "table_name": "<union1,2,3>",
      "access_type": "ALL",
      "query_specifications": [
        {
          "query_block": {
            "select_id": 1,
            "table": {
              "message": "No tables used"
            }
          }
        },
        {
          "query_block": {
            "select_id": 2,
            "operation": "UNION",
            "table": {
              "message": "No tables used"
            }
          }
        },
        {
          "query_block": {
            "select_id": 3,
            "operation": "UNION",
            "table": {
              "message": "No tables used"
            }
          }
        }
      ]
    }
  }
}
# analyze query that uses VALUES structure(s): single VALUES structure
analyze
values (1,2);
id	select_type	table	type	possible_keys	key	key_len	ref	rows	r_rows	filtered	r_filtered	Extra
1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
analyze format=json
values (1,2);
ANALYZE
{
  "query_block": {
    "union_result": {
      "table_name": "<unit1>",
      "access_type": "ALL",
      "r_loops": 0,
      "r_rows": null,
      "query_specifications": [
        {
          "query_block": {
            "select_id": 1,
            "table": {
              "message": "No tables used"
            }
          }
        }
      ]
    }
  }
}
# analyze query that uses VALUES structure(s): UNION with VALUES structure(s)
analyze
select 1,2
union
values (1,2),(3,4);
id	select_type	table	type	possible_keys	key	key_len	ref	rows	r_rows	filtered	r_filtered	Extra
1	PRIMARY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
2	UNION	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
NULL	UNION RESULT	<union1,2>	ALL	NULL	NULL	NULL	NULL	NULL	2.00	NULL	NULL	
analyze
values (1,2),(3,4)
union
select 1,2;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	r_rows	filtered	r_filtered	Extra
1	PRIMARY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
2	UNION	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
NULL	UNION RESULT	<union1,2>	ALL	NULL	NULL	NULL	NULL	NULL	2.00	NULL	NULL	
analyze
values (5,6)
union
values (1,2),(3,4);
id	select_type	table	type	possible_keys	key	key_len	ref	rows	r_rows	filtered	r_filtered	Extra
1	PRIMARY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
2	UNION	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
NULL	UNION RESULT	<union1,2>	ALL	NULL	NULL	NULL	NULL	NULL	3.00	NULL	NULL	
analyze format=json
select 1,2
union
values (1,2),(3,4);
ANALYZE
{
  "query_block": {
    "union_result": {
      "table_name": "<union1,2>",
      "access_type": "ALL",
      "r_loops": 1,
      "r_rows": 2,
      "query_specifications": [
        {
          "query_block": {
            "select_id": 1,
            "table": {
              "message": "No tables used"
            }
          }
        },
        {
          "query_block": {
            "select_id": 2,
            "operation": "UNION",
            "table": {
              "message": "No tables used"
            }
          }
        }
      ]
    }
  }
}
analyze format=json
values (1,2),(3,4)
union
select 1,2;
ANALYZE
{
  "query_block": {
    "union_result": {
      "table_name": "<union1,2>",
      "access_type": "ALL",
      "r_loops": 1,
      "r_rows": 2,
      "query_specifications": [
        {
          "query_block": {
            "select_id": 1,
            "table": {
              "message": "No tables used"
            }
          }
        },
        {
          "query_block": {
            "select_id": 2,
            "operation": "UNION",
            "table": {
              "message": "No tables used"
            }
          }
        }
      ]
    }
  }
}
analyze format=json
values (5,6)
union
values (1,2),(3,4);
ANALYZE
{
  "query_block": {
    "union_result": {
      "table_name": "<union1,2>",
      "access_type": "ALL",
      "r_loops": 1,
      "r_rows": 3,
      "query_specifications": [
        {
          "query_block": {
            "select_id": 1,
            "table": {
              "message": "No tables used"
            }
          }
        },
        {
          "query_block": {
            "select_id": 2,
            "operation": "UNION",
            "table": {
              "message": "No tables used"
            }
          }
        }
      ]
    }
  }
}
analyze
select 1,2
union
values (3,4)
union
values (1,2);
id	select_type	table	type	possible_keys	key	key_len	ref	rows	r_rows	filtered	r_filtered	Extra
1	PRIMARY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
2	UNION	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
3	UNION	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
NULL	UNION RESULT	<union1,2,3>	ALL	NULL	NULL	NULL	NULL	NULL	2.00	NULL	NULL	
analyze format=json
select 1,2
union
values (3,4)
union
values (1,2);
ANALYZE
{
  "query_block": {
    "union_result": {
      "table_name": "<union1,2,3>",
      "access_type": "ALL",
      "r_loops": 1,
      "r_rows": 2,
      "query_specifications": [
        {
          "query_block": {
            "select_id": 1,
            "table": {
              "message": "No tables used"
            }
          }
        },
        {
          "query_block": {
            "select_id": 2,
            "operation": "UNION",
            "table": {
              "message": "No tables used"
            }
          }
        },
        {
          "query_block": {
            "select_id": 3,
            "operation": "UNION",
            "table": {
              "message": "No tables used"
            }
          }
        }
      ]
    }
  }
}
# analyze query that uses VALUES structure(s): UNION ALL with VALUES structure(s)
analyze
select 1,2
union
values (1,2),(3,4);
id	select_type	table	type	possible_keys	key	key_len	ref	rows	r_rows	filtered	r_filtered	Extra
1	PRIMARY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
2	UNION	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
NULL	UNION RESULT	<union1,2>	ALL	NULL	NULL	NULL	NULL	NULL	2.00	NULL	NULL	
analyze
values (1,2),(3,4)
union all
select 1,2;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	r_rows	filtered	r_filtered	Extra
1	PRIMARY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
2	UNION	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
analyze
values (1,2)
union all
values (1,2),(3,4);
id	select_type	table	type	possible_keys	key	key_len	ref	rows	r_rows	filtered	r_filtered	Extra
1	PRIMARY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
2	UNION	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
analyze format=json
values (1,2),(3,4)
union all
select 1,2;
ANALYZE
{
  "query_block": {
    "union_result": {
      "table_name": "<union1,2>",
      "access_type": "ALL",
      "r_loops": 0,
      "r_rows": null,
      "query_specifications": [
        {
          "query_block": {
            "select_id": 1,
            "table": {
              "message": "No tables used"
            }
          }
        },
        {
          "query_block": {
            "select_id": 2,
            "operation": "UNION",
            "table": {
              "message": "No tables used"
            }
          }
        }
      ]
    }
  }
}
analyze format=json
select 1,2
union
values (1,2),(3,4);
ANALYZE
{
  "query_block": {
    "union_result": {
      "table_name": "<union1,2>",
      "access_type": "ALL",
      "r_loops": 1,
      "r_rows": 2,
      "query_specifications": [
        {
          "query_block": {
            "select_id": 1,
            "table": {
              "message": "No tables used"
            }
          }
        },
        {
          "query_block": {
            "select_id": 2,
            "operation": "UNION",
            "table": {
              "message": "No tables used"
            }
          }
        }
      ]
    }
  }
}
analyze format=json
values (1,2)
union all
values (1,2),(3,4);
ANALYZE
{
  "query_block": {
    "union_result": {
      "table_name": "<union1,2>",
      "access_type": "ALL",
      "r_loops": 0,
      "r_rows": null,
      "query_specifications": [
        {
          "query_block": {
            "select_id": 1,
            "table": {
              "message": "No tables used"
            }
          }
        },
        {
          "query_block": {
            "select_id": 2,
            "operation": "UNION",
            "table": {
              "message": "No tables used"
            }
          }
        }
      ]
    }
  }
}
analyze
select 1,2
union all
values (3,4)
union all
values (1,2);
id	select_type	table	type	possible_keys	key	key_len	ref	rows	r_rows	filtered	r_filtered	Extra
1	PRIMARY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
2	UNION	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
3	UNION	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
analyze format=json
select 1,2
union all
values (3,4)
union all
values (1,2);
ANALYZE
{
  "query_block": {
    "union_result": {
      "table_name": "<union1,2,3>",
      "access_type": "ALL",
      "r_loops": 0,
      "r_rows": null,
      "query_specifications": [
        {
          "query_block": {
            "select_id": 1,
            "table": {
              "message": "No tables used"
            }
          }
        },
        {
          "query_block": {
            "select_id": 2,
            "operation": "UNION",
            "table": {
              "message": "No tables used"
            }
          }
        },
        {
          "query_block": {
            "select_id": 3,
            "operation": "UNION",
            "table": {
              "message": "No tables used"
            }
          }
        }
      ]
    }
  }
}
# different number of values in TVC
values (1,2),(3,4,5);
ERROR HY000: The used table value constructor has a different number of values
# illegal parameter data types in TVC
values (1,point(1,1)),(1,1);
ERROR HY000: Illegal parameter data types point and int for operation 'TABLE VALUE CONSTRUCTOR'
values (1,point(1,1)+1);
ERROR HY000: Illegal parameter data types point and int for operation '+'
# field reference in TVC
select * from (values (1), (b), (2)) as new_tvc;
ERROR HY000: Field reference 'b' can't be used in table value constructor
select * from (values (1), (t1.b), (2)) as new_tvc;
ERROR HY000: Field reference 't1.b' can't be used in table value constructor
drop table t1;
#
# MDEV-15940: cursor over TVC
#
BEGIN NOT ATOMIC
DECLARE v INT;
DECLARE cur CURSOR FOR VALUES(7);
OPEN cur;
FETCH cur INTO v;
SELECT v;
END;
|
v
7
BEGIN NOT ATOMIC
DECLARE v INT DEFAULT 0;
FOR a IN (VALUES (7)) DO SET v = v + 1; END FOR;
SELECT v;
END;
|
v
1
#
# MDEV-16038: empty row in TVC
#
with t as (values (),()) select 1 from t;
ERROR HY000: Row with no elements is not allowed in table value constructor in this context
#
# MDEV-17017: TVC in derived table
#
create table t1 (a int);
insert into t1 values (9), (3), (2);
select * from (values (7), (5), (8), (1), (3), (8), (1)) t;
7
7
5
8
1
3
8
1
explain select * from (values (7), (5), (8), (1), (3), (8), (1)) t;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	PRIMARY	<derived2>	ALL	NULL	NULL	NULL	NULL	7	
2	DERIVED	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
select * from (values (1,11), (7,77), (3,31), (4,42)) t;
1	11
1	11
7	77
3	31
4	42
explain select * from (values (1,11), (7,77), (3,31), (4,42)) t;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	PRIMARY	<derived2>	ALL	NULL	NULL	NULL	NULL	4	
2	DERIVED	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
select * from (values (7), (5), (8), (1) union values (3), (8), (1)) t;
7
7
5
8
1
3
explain select * from (values (7), (5), (8), (1) union values (3), (8), (1)) t;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	PRIMARY	<derived2>	ALL	NULL	NULL	NULL	NULL	7	
2	DERIVED	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
3	UNION	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
NULL	UNION RESULT	<union2,3>	ALL	NULL	NULL	NULL	NULL	NULL	
select * from (values (7), (5), (8), (1) union select * from t1) t;
7
7
5
8
1
9
3
2
explain select * from (values (7), (5), (8), (1) union select * from t1) t;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	PRIMARY	<derived2>	ALL	NULL	NULL	NULL	NULL	7	
2	DERIVED	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
3	UNION	t1	ALL	NULL	NULL	NULL	NULL	3	
NULL	UNION RESULT	<union2,3>	ALL	NULL	NULL	NULL	NULL	NULL	
drop table t1;
#
# MDEV-16930: expression in the first row of TVC specifying derived table
#
SELECT 1 + 1, 2, "abc";
1 + 1	2	abc
2	2	abc
SELECT * FROM (SELECT 1 + 1, 2, "abc") t;
1 + 1	2	abc
2	2	abc
WITH cte AS (SELECT 1 + 1, 2, "abc") SELECT * FROM cte;
1 + 1	2	abc
2	2	abc
SELECT 1 + 1, 2, "abc" UNION SELECT 3+4, 3, "abc";
1 + 1	2	abc
2	2	abc
7	3	abc
CREATE VIEW v1 AS SELECT 1 + 1, 2, "abc";
SELECT * FROM v1;
1 + 1	2	abc
2	2	abc
DROP VIEW v1;
VALUES(1 + 1,2,"abc");
1 + 1	2	abc
2	2	abc
SELECT * FROM (VALUES(1 + 1,2,"abc")) t;
1 + 1	2	abc
2	2	abc
PREPARE stmt FROM "SELECT * FROM (VALUES(1 + 1,2,'abc')) t";
EXECUTE stmt;
1 + 1	2	abc
2	2	abc
EXECUTE stmt;
1 + 1	2	abc
2	2	abc
DEALLOCATE PREPARE stmt;
#
# MDEV-17894: tvc with ORDER BY ... LIMIT
#
values (5), (7), (1), (3), (4) limit 2;
5
5
7
explain extended values (5), (7), (1), (3), (4) limit 2;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
Warnings:
Note	1003	values (5),(7),(1),(3),(4) limit 2
values (5), (7), (1), (3), (4) limit 2 offset 1;
5
7
1
explain extended values (5), (7), (1), (3), (4) limit 2 offset 1;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
Warnings:
Note	1003	values (5),(7),(1),(3),(4) limit 1,2
values (5), (7), (1), (3), (4) order by 1 limit 2;
5
1
3
explain extended values (5), (7), (1), (3), (4) order by 1 limit 2;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
NULL	UNIT RESULT	<unit1>	ALL	NULL	NULL	NULL	NULL	NULL	NULL	Using filesort
Warnings:
Note	1003	values (5),(7),(1),(3),(4) order by 1 limit 2
values (5), (7), (1), (3), (4) order by 1 limit 2 offset 1;
5
3
4
explain extended values (5), (7), (1), (3), (4) order by 1 limit 2 offset 1;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
NULL	UNIT RESULT	<unit1>	ALL	NULL	NULL	NULL	NULL	NULL	NULL	Using filesort
Warnings:
Note	1003	values (5),(7),(1),(3),(4) order by 1 limit 1,2
values (5), (7), (1), (3), (4) order by 1;
5
1
3
4
5
7
explain extended values (5), (7), (1), (3), (4) order by 1;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
NULL	UNIT RESULT	<unit1>	ALL	NULL	NULL	NULL	NULL	NULL	NULL	Using filesort
Warnings:
Note	1003	values (5),(7),(1),(3),(4) order by 1
values (5,90), (7,20), (1,70), (3,50), (4,10) order by 2;
5	90
4	10
7	20
3	50
1	70
5	90
explain extended values (5,90), (7,20), (1,70), (3,50), (4,10) order by 2;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
NULL	UNIT RESULT	<unit1>	ALL	NULL	NULL	NULL	NULL	NULL	NULL	Using filesort
Warnings:
Note	1003	values (5,90),(7,20),(1,70),(3,50),(4,10) order by 2
select 2 union (values (5), (7), (1), (3), (4) limit 2);
2
2
5
7
explain extended select 2 union (values (5), (7), (1), (3), (4) limit 2);
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	PRIMARY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
2	UNION	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
NULL	UNION RESULT	<union1,2>	ALL	NULL	NULL	NULL	NULL	NULL	NULL	
Warnings:
Note	1003	/* select#1 */ select 2 AS `2` union (values (5),(7),(1),(3),(4) limit 2)
select 2 union (values (5), (7), (1), (3), (4) limit 2 offset 1);
2
2
7
1
explain extended select 2 union (values (5), (7), (1), (3), (4) limit 2 offset 1);
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	PRIMARY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
2	UNION	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
NULL	UNION RESULT	<union1,2>	ALL	NULL	NULL	NULL	NULL	NULL	NULL	
Warnings:
Note	1003	/* select#1 */ select 2 AS `2` union (values (5),(7),(1),(3),(4) limit 1,2)
select 2 union (values (5), (7), (1), (3), (4) order by 1 limit 2);
2
2
1
3
explain extended select 2 union (values (5), (7), (1), (3), (4) order by 1 limit 2);
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	PRIMARY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
3	UNION	<derived2>	ALL	NULL	NULL	NULL	NULL	5	100.00	Using filesort
2	DERIVED	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
NULL	UNION RESULT	<union1,3>	ALL	NULL	NULL	NULL	NULL	NULL	NULL	
Warnings:
Note	1003	/* select#1 */ select 2 AS `2` union (/* select#3 */ select `tvc_0`.`5` AS `5` from (values (5),(7),(1),(3),(4)) `tvc_0` order by 1 limit 2)
select 2 union (values (5), (7), (1), (3), (4) order by 1 limit 2 offset 1);
2
2
3
4
explain extended select 2 union (values (5), (7), (1), (3), (4) order by 1 limit 2 offset 1);
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	PRIMARY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
3	UNION	<derived2>	ALL	NULL	NULL	NULL	NULL	5	100.00	Using filesort
2	DERIVED	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
NULL	UNION RESULT	<union1,3>	ALL	NULL	NULL	NULL	NULL	NULL	NULL	
Warnings:
Note	1003	/* select#1 */ select 2 AS `2` union (/* select#3 */ select `tvc_0`.`5` AS `5` from (values (5),(7),(1),(3),(4)) `tvc_0` order by 1 limit 1,2)
(values (5), (7), (1), (3), (4) limit 2) union select 2;
5
5
7
2
explain extended (values (5), (7), (1), (3), (4) limit 2) union select 2;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	PRIMARY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
2	UNION	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
NULL	UNION RESULT	<union1,2>	ALL	NULL	NULL	NULL	NULL	NULL	NULL	
Warnings:
Note	1003	(values (5),(7),(1),(3),(4) limit 2) union /* select#2 */ select 2 AS `2`
(values (5), (7), (1), (3), (4) limit 2 offset 1) union select 2;
5
7
1
2
explain extended (values (5), (7), (1), (3), (4) limit 2 offset 1) union select 2;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	PRIMARY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
2	UNION	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
NULL	UNION RESULT	<union1,2>	ALL	NULL	NULL	NULL	NULL	NULL	NULL	
Warnings:
Note	1003	(values (5),(7),(1),(3),(4) limit 1,2) union /* select#2 */ select 2 AS `2`
(values (5), (7), (1), (3), (4) order by 1 limit 2) union select 2;
5
1
3
2
explain extended (values (5), (7), (1), (3), (4) order by 1 limit 2) union select 2;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	PRIMARY	<derived3>	ALL	NULL	NULL	NULL	NULL	5	100.00	Using filesort
3	DERIVED	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
2	UNION	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
NULL	UNION RESULT	<union1,2>	ALL	NULL	NULL	NULL	NULL	NULL	NULL	
Warnings:
Note	1003	(/* select#1 */ select `tvc_0`.`5` AS `5` from (values (5),(7),(1),(3),(4)) `tvc_0` order by 1 limit 2) union /* select#2 */ select 2 AS `2`
(values (5), (7), (1), (3), (4) order by 1 limit 2 offset 1) union select 2;
5
3
4
2
explain extended (values (5), (7), (1), (3), (4) order by 1 limit 2 offset 1) union select 2;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	PRIMARY	<derived3>	ALL	NULL	NULL	NULL	NULL	5	100.00	Using filesort
3	DERIVED	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
2	UNION	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
NULL	UNION RESULT	<union1,2>	ALL	NULL	NULL	NULL	NULL	NULL	NULL	
Warnings:
Note	1003	(/* select#1 */ select `tvc_0`.`5` AS `5` from (values (5),(7),(1),(3),(4)) `tvc_0` order by 1 limit 1,2) union /* select#2 */ select 2 AS `2`
select 3 union all (values (5), (7), (1), (3), (4) limit 2 offset 3);
3
3
3
4
explain extended select 3 union all (values (5), (7), (1), (3), (4) limit 2 offset 3);
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	PRIMARY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
2	UNION	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
Warnings:
Note	1003	/* select#1 */ select 3 AS `3` union all (values (5),(7),(1),(3),(4) limit 3,2)
(values (5), (7), (1), (3), (4) limit 2 offset 3) union all select 3;
5
3
4
3
explain extended (values (5), (7), (1), (3), (4) limit 2 offset 3) union all select 3;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	PRIMARY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
2	UNION	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
Warnings:
Note	1003	(values (5),(7),(1),(3),(4) limit 3,2) union all /* select#2 */ select 3 AS `3`
select 3 union all (values (5), (7), (1), (3), (4) order by 1 limit 2);
3
3
1
3
explain extended select 3 union all (values (5), (7), (1), (3), (4) order by 1 limit 2);
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	PRIMARY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
3	UNION	<derived2>	ALL	NULL	NULL	NULL	NULL	5	100.00	Using filesort
2	DERIVED	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
NULL	UNION RESULT	<union1,3>	ALL	NULL	NULL	NULL	NULL	NULL	NULL	
Warnings:
Note	1003	/* select#1 */ select 3 AS `3` union all (/* select#3 */ select `tvc_0`.`5` AS `5` from (values (5),(7),(1),(3),(4)) `tvc_0` order by 1 limit 2)
(values (5), (7), (1), (3), (4) order by 1 limit 2) union all select 3;
5
1
3
3
explain extended (values (5), (7), (1), (3), (4) order by 1 limit 2) union all select 3;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	PRIMARY	<derived3>	ALL	NULL	NULL	NULL	NULL	5	100.00	Using filesort
3	DERIVED	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
2	UNION	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
NULL	UNION RESULT	<union1,2>	ALL	NULL	NULL	NULL	NULL	NULL	NULL	
Warnings:
Note	1003	(/* select#1 */ select `tvc_0`.`5` AS `5` from (values (5),(7),(1),(3),(4)) `tvc_0` order by 1 limit 2) union all /* select#2 */ select 3 AS `3`
( values (5), (7), (1), (3), (4) limit 2 offset 1 )
union
( values (5), (7), (1), (3), (4) order by 1 limit 2 );
5
7
1
3
explain extended ( values (5), (7), (1), (3), (4) limit 2 offset 1 )
union
( values (5), (7), (1), (3), (4) order by 1 limit 2 );
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	PRIMARY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
3	UNION	<derived2>	ALL	NULL	NULL	NULL	NULL	5	100.00	Using filesort
2	DERIVED	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
NULL	UNION RESULT	<union1,3>	ALL	NULL	NULL	NULL	NULL	NULL	NULL	
Warnings:
Note	1003	(values (5),(7),(1),(3),(4) limit 1,2) union (/* select#3 */ select `tvc_0`.`5` AS `5` from (values (5),(7),(1),(3),(4)) `tvc_0` order by 1 limit 2)
( values (5), (7), (1), (3), (4) limit 2 offset 1 )
union all
( values (5), (7), (1), (3), (4) order by 1 limit 2 );
5
7
1
1
3
explain extended ( values (5), (7), (1), (3), (4) limit 2 offset 1 )
union all
( values (5), (7), (1), (3), (4) order by 1 limit 2 );
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	PRIMARY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
3	UNION	<derived2>	ALL	NULL	NULL	NULL	NULL	5	100.00	Using filesort
2	DERIVED	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
NULL	UNION RESULT	<union1,3>	ALL	NULL	NULL	NULL	NULL	NULL	NULL	
Warnings:
Note	1003	(values (5),(7),(1),(3),(4) limit 1,2) union all (/* select#3 */ select `tvc_0`.`5` AS `5` from (values (5),(7),(1),(3),(4)) `tvc_0` order by 1 limit 2)
(values (5), (7), (1), (3), (4) limit 2 offset 3) union all select 3 order by 1;
5
3
3
4
explain extended (values (5), (7), (1), (3), (4) limit 2 offset 3) union all select 3 order by 1;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	PRIMARY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
2	UNION	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
NULL	UNION RESULT	<union1,2>	ALL	NULL	NULL	NULL	NULL	NULL	NULL	Using filesort
Warnings:
Note	1003	(values (5),(7),(1),(3),(4) limit 3,2) union all /* select#2 */ select 3 AS `3` order by 1
(values (5), (7), (1), (3), (4) order by 1 limit 3 offset 1) union all select 3 order by 1;
5
3
3
4
5
explain extended (values (5), (7), (1), (3), (4) order by 1 limit 3 offset 1) union all select 3 order by 1;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	PRIMARY	<derived3>	ALL	NULL	NULL	NULL	NULL	5	100.00	Using filesort
3	DERIVED	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
2	UNION	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
NULL	UNION RESULT	<union1,2>	ALL	NULL	NULL	NULL	NULL	NULL	NULL	Using filesort
Warnings:
Note	1003	(/* select#1 */ select `tvc_0`.`5` AS `5` from (values (5),(7),(1),(3),(4)) `tvc_0` order by 1 limit 1,3) union all /* select#2 */ select 3 AS `3` order by 1
(values (5), (7), (1), (3), (4) order by 1 limit 3 offset 1) union all select 3
order by 1 limit 2 offset 1;
5
3
4
explain extended (values (5), (7), (1), (3), (4) order by 1 limit 3 offset 1) union all select 3
order by 1 limit 2 offset 1;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	PRIMARY	<derived3>	ALL	NULL	NULL	NULL	NULL	5	100.00	Using filesort
3	DERIVED	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
2	UNION	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
NULL	UNION RESULT	<union1,2>	ALL	NULL	NULL	NULL	NULL	NULL	NULL	Using filesort
Warnings:
Note	1003	(/* select#1 */ select `tvc_0`.`5` AS `5` from (values (5),(7),(1),(3),(4)) `tvc_0` order by 1 limit 1,3) union all /* select#2 */ select 3 AS `3` order by 1 limit 1,2
values (5,90), (7,20), (1,70), (3,50), (4,10) order by 3;
ERROR 42S22: Unknown column '3' in 'order clause'
prepare stmt from "
select 2 union (values (5), (7), (1), (3), (4) limit 2)
";
execute stmt;
2
2
5
7
execute stmt;
2
2
5
7
deallocate prepare stmt;
prepare stmt from "
select 2 union (values (5), (7), (1), (3), (4) order by 1 limit 2)
";
execute stmt;
2
2
1
3
execute stmt;
2
2
1
3
deallocate prepare stmt;
prepare stmt from "
select 3 union all (values (5), (7), (1), (3), (4) limit 2)
";
execute stmt;
3
3
5
7
execute stmt;
3
3
5
7
deallocate prepare stmt;
prepare stmt from "
select 3 union all (values (5), (7), (1), (3), (4) order by 1 limit 2)
";
execute stmt;
3
3
1
3
execute stmt;
3
3
1
3
deallocate prepare stmt;
prepare stmt from "
( values (5), (7), (1), (3), (4) limit 2 offset 1 )
  union
( values (5), (7), (1), (3), (4) order by 1 limit 2 );
";
execute stmt;
5
7
1
3
execute stmt;
5
7
1
3
deallocate prepare stmt;
prepare stmt from "
values (5,90), (7,20), (1,70), (3,50), (4,10) order by 3;
";
ERROR 42S22: Unknown column '3' in 'order clause'
create view v1 as values (5), (7), (1), (3), (4) order by 1 limit 2;
show create view v1;
View	Create View	character_set_client	collation_connection
v1	CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS values (5),(7),(1),(3),(4) order by 1 limit 2	latin1	latin1_swedish_ci
select * from v1;
5
1
3
drop view v1;
create view v1 as
( values (5), (7), (1), (3), (4) limit 2 offset 1 )
union
( values (5), (7), (1), (3), (4) order by 1 limit 2 );
show create view v1;
View	Create View	character_set_client	collation_connection
v1	CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS (values (5),(7),(1),(3),(4) limit 1,2) union (values (5),(7),(1),(3),(4) order by 1 limit 2)	latin1	latin1_swedish_ci
select * from v1;
5
7
1
3
drop view v1;
create view v1 as values (5,90), (7,20), (1,70), (3,50), (4,10) order by 3;
ERROR 42S22: Unknown column '3' in 'order clause'
create view v1 as
( values (5), (7), (1), (3), (4) limit 2 offset 1 )
union
( values (5), (7), (1), (3), (4) order by 2 limit 2 );
ERROR 42S22: Unknown column '2' in 'order clause'
#
# MDEV-20229: view defined as select using
#             CTE with named columns defined as TVC
#
create view v1 as with t(a) as (values (2), (1)) select a from t;
show create view v1;
View	Create View	character_set_client	collation_connection
v1	CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS with t(`a`) as (values (2),(1))select `t`.`a` AS `a` from `t`	latin1	latin1_swedish_ci
select * from v1;
a
2
1
drop view v1;