create table t1 (a int, b int) engine=MyISAM;
create table t2 (c int, d int) engine=MyISAM;
create table t3 (e int, f int) engine=MyISAM;
create table t4 (g int, h int) engine=MyISAM;
insert into t1 values (1,1),(2,2),(3,3),(2,2),(3,3);
insert into t2 values (2,2),(3,3),(5,5),(2,2),(2,2),(3,3);
insert into t3 values (4,4),(2,2),(2,2),(1,1),(3,3);
insert into t4 values (2,2),(4,4),(1,1);
create view v0(g, h) as select a,c from t1,t2;

--echo # test optimization

let $q=
    select * from t1
    INTERSECT ALL
    select * from t2
    INTERSECT ALL
    select * from t3;
eval $q;
eval EXPLAIN EXTENDED $q;

let $q=
    select * from t1
    INTERSECT ALL
    select * from t2
    INTERSECT ALL
    select * from t3
    INTERSECT
    select * from t1;
eval $q;
eval EXPLAIN EXTENDED $q;

let $q=
    select * from t1
    INTERSECT ALL
    select * from t2
    INTERSECT ALL
    select * from t3
    EXCEPT ALL
    select * from t4;
eval $q;
eval EXPLAIN EXTENDED $q;

let $q=
    select * from t1
    INTERSECT
    select * from t2
    EXCEPT ALL
    select * from t4;
eval $q;
eval EXPLAIN EXTENDED $q;

insert into t4 values (1,1),(9,9);
let $q=
    select * from t1
    UNION ALL
    select * from t2
    UNION ALL
    select * from t3
    EXCEPT
    select * from t4;
eval $q;
eval EXPLAIN EXTENDED $q;

delete from t4;
insert into t4 values (3,3),(3,3);
let $q=
    select * from t1
    INTERSECT ALL
    select * from t2
    UNION ALL
    select * from t3
    EXCEPT ALL
    select * from t1
    UNION
    select * from t4
    EXCEPT
    select * from t3
    UNION ALL
    select * from t1;

eval $q;
eval EXPLAIN EXTENDED $q;
drop table t4;

--echo # test optimization with brackets

let $q=
(
    (select 1 except select 5 union all select 6)
        union
    (select 2 intersect all select 3 intersect all select 4)
        except
    (select 7 intersect all select 8)
)
    union all
(select 9 union all select 10)
    except all
select 11;
eval $q;
eval EXPLAIN EXTENDED $q;

let $q=
(select 1 union all select 2)
    union
(select 3 union all select 4);
eval $q;
eval EXPLAIN EXTENDED $q;

let $q=
(select 1 intersect all select 2)
    except
select 3;
eval $q;
eval EXPLAIN EXTENDED $q;

let $q=
(select 1 intersect all select 2 intersect all select 3)
    intersect
(select 4 intersect all select 5);
eval $q;
eval EXPLAIN EXTENDED $q;


--echo # test set operations with table value constructor

(values (1,1),(1,1),(1,1),(2,2),(2,2),(3,3),(9,9))
INTERSECT ALL
(values (1,1),(2,2),(2,2),(3,3),(3,3),(3,3),(8,8))
EXCEPT ALL
(values (7,7),(1,1));

delete from t1;
insert into t1 values(1,1),(1,1),(2,2),(4,4),(9,9);

select * from t1
UNION ALL
(values (11,12),(3,3),(2,2),(3,3),(4,4),(8,8))
INTERSECT
(values (13,14),(7,7),(2,2),(3,3),(1,1))
INTERSECT ALL
(values (15,16),(2,2),(1,1))
EXCEPT
(values (17,18),(1,1));

--echo  # test set operations with derived table

select * from (
    select * from t1
    UNION ALL
    select * from t2
)dt1
INTERSECT ALL
select * from (
    select * from t2
    EXCEPT ALL
    select * from t3
)dt2;

select * from (
    select * from t1
    UNION ALL
    select * from t3
)dt1
EXCEPT ALL
select * from (
    select * from t2
    INTERSECT ALL
    select * from t2
)dt2;

SELECT * from(
    select * from (
        select * from t1
        UNION ALL
        select * from t2
    )dt1
    INTERSECT ALL
    select * from (
        select * from t2
        EXCEPT ALL
        select * from t3
    )dt2
)dt3;

--echo # integration test


select * from t1
UNION ALL
select * from t2
INTERSECT ALL
(values (1,1), (2,2), (2,2), (5,5), (2,2))
INTERSECT ALL
select * from (select * from t1 union all select * from t1) sq
EXCEPT ALL
select * from t3
UNION ALL
select * from t2
UNION
select * from t3
EXCEPT
select a,c from t1,t2
UNION ALL
select * from v0 where g < 4
UNION ALL
select * from t3;

--sorted_result
select * from t1
UNION ALL
select * from t2
INTERSECT ALL
(values (1,1), (2,2), (2,2), (5,5), (2,2))
INTERSECT ALL
select * from (select * from t1 union all select * from t1) sq
EXCEPT ALL
select * from t3
UNION ALL
select * from t2
UNION
select * from t3
EXCEPT
select a,c from t1,t2
UNION ALL
select * from v0 where g < 4
UNION ALL
select * from t3
ORDER BY a;


select * from (
    select * from t1
    UNION ALL
    select * from t2
    INTERSECT ALL
    (values (1,1), (2,2), (2,2), (5,5), (2,2) )
    INTERSECT ALL
    select * from (select * from t1 union all select * from t1) sq
    EXCEPT ALL
    select * from t3
    UNION ALL
    select * from t2
    UNION
    select * from t3
    EXCEPT
    select a,c from t1,t2
    UNION ALL
    select * from v0 where g < 4
    UNION ALL
    select * from t3
) dt;

EXPLAIN
select * from t1
UNION ALL
select * from t2
INTERSECT ALL
(values (1,1), (2,2), (2,2), (5,5), (2,2) )
INTERSECT ALL
select * from (select * from t1 union all select * from t1) sq
EXCEPT ALL
select * from t3
UNION ALL
select * from t2
UNION
select * from t3
EXCEPT
select a,c from t1,t2
UNION ALL
select * from v0 where g < 4
UNION ALL
select * from t3;

EXPLAIN format=json
select * from t1
UNION ALL
select * from t2
INTERSECT ALL
(values (1,1), (2,2), (2,2), (5,5), (2,2) )
INTERSECT ALL
select * from (select * from t1 union all select * from t1) sq
EXCEPT ALL
select * from t3
UNION ALL
select * from t2
UNION
select * from t3
EXCEPT
select a,c from t1,t2
UNION ALL
select * from v0 where g < 4
UNION ALL
select * from t3;

EXPLAIN EXTENDED
select * from t1
UNION ALL
select * from t2
INTERSECT ALL
(values (1,1), (2,2), (2,2), (5,5), (2,2) )
INTERSECT ALL
select * from (select * from t1 union all select * from t1) sq
EXCEPT ALL
select * from t3
UNION ALL
select * from t2
UNION
select * from t3
EXCEPT
select a,c from t1,t2
UNION ALL
select * from v0 where g < 4
UNION ALL
select * from t3;

PREPARE stmt from"
    select * from t1
    UNION ALL
    select * from t2
    INTERSECT ALL
    (values (1,1), (2,2), (2,2), (5,5), (2,2) )
    INTERSECT ALL
    select * from (select * from t1 union all select * from t1) sq
    EXCEPT ALL
    select * from t3
    UNION ALL
    select * from t2
    UNION
    select * from t3
    EXCEPT
    select a,c from t1,t2
    UNION ALL
    select * from v0 where g < 4
    UNION ALL
    select * from t3
";


EXECUTE stmt;

EXECUTE stmt;
deallocate prepare stmt;

create view v1(i1, i2) as
    select * from t1
    UNION ALL
    select * from t2
    INTERSECT ALL
    (values (1,1), (2,2), (2,2), (5,5), (2,2) )
    INTERSECT ALL
    select * from (select * from t1 union all select * from t1) sq
    EXCEPT ALL
    select * from t3
    UNION ALL
    select * from t2
    UNION
    select * from t3
    EXCEPT
    select a,c from t1,t2
    UNION ALL
    select * from v0 where g < 4
    UNION ALL
    select * from t3;

show create view v1;

select * from v1 limit 14;
--sorted_result
select * from v1 order by i1 limit 14;

drop table t1,t2,t3;
drop view v0,v1;

--echo # compare result

create table t1 (a int, b int);
create table t2 (c int, d int);
create table t3 (e int, f int);
create table t4 (g int, h int);


insert into t1 values (1,1),(1,1),(2,2);
insert into t2 values (1,1),(1,1),(2,2),(3,3);
insert into t3 values (1,1);
insert into t4 values (4,4);

select * from t1 intersect all select * from t2 except select * from t3 union select * from t4;
select * from t1 intersect all select * from t2 except ALL select * from t3 union select * from t4;

select * from t1 intersect DISTINCT select * from t2 except select * from t3 union select * from t4;
select * from t1 intersect DISTINCT select * from t2 except ALL select * from t3 union select * from t4;

delete from t1;
delete from t2;
delete from t3;
delete from t4;


insert into t1 values (1,1),(1,1),(1,1),(2,2),(2,2),(4,4),(5,5);
insert into t2 values (1,1),(1,1),(1,1),(2,2),(2,2),(3,3);
insert into t3 values (1,1),(2,2),(2,2);

select * from t1 intersect all select * from t2 intersect all select * from t3;
select * from t1 intersect all select * from t2 intersect select * from t3;
select * from t1 intersect all select * from t1 intersect all select * from t2 intersect select * from t3;

delete from t1;
delete from t2;
delete from t3;


insert into t1 values (1,1),(1,1),(2,2);
insert into t2 values (1,1),(1,1),(2,2),(3,3);
insert into t3 values (1,1),(5,5);
insert into t4 values (4,4),(4,4),(4,4);

select * from t1 intersect all select * from t2 union all select * from t3 union select * from t4;
select * from t1 intersect DISTINCT select * from t2 union DISTINCT select * from t3 union select * from t4;

select * from t1 intersect all select * from t2 intersect all select * from t3 union select * from t4;
select * from t1 intersect all select * from t2 intersect DISTINCT select * from t3 union select * from t4;
select * from t1 intersect DISTINCT select * from t2 intersect DISTINCT select * from t3 union select * from t4;

select * from t1 intersect all select * from t2 EXCEPT select * from t3 union select * from t4;
select * from t1 intersect DISTINCT select * from t2 EXCEPT select * from t3 union select * from t4;
select * from t1 intersect all select * from t2 EXCEPT ALL select * from t3 union select * from t4;

select * from t1 EXCEPT select * from t2 union all select * from t3 union select * from t4;
select * from t1 EXCEPT select * from t2 union DISTINCT select * from t3 union select * from t4;

delete from t1;
delete from t2;
delete from t3;
delete from t4;


insert into t1 values (1,1),(2,2);
insert into t2 values (1,1),(2,2);
insert into t3 values (1,1),(3,3);

select * from t1 union all select * from t2 except all select * from t3;
select * from t1 union all select * from t2 except DISTINCT select * from t3;
select * from t1 union DISTINCT select * from t2 except all select * from t3;
select * from t1 union DISTINCT select * from t2 except DISTINCT select * from t3;

drop table t1;
drop table t2;
drop table t3;
drop table t4;


select 1 intersect all select 2 intersect all select 3 intersect select 4 union select 5;
select 1 intersect all select 2 intersect all select 3 union select 4 except select 5;
select 1 union select 2 except all select 3 union select 4;
select 1 union all select 2 union all select 3 union select 4;

--echo # test with limited resource

set @@max_heap_table_size= 16384;
set @@tmp_table_size= 16384;

create table t1 (a int, b int);
insert into t1 values (1,1),(2,2),(3,3),(4,4),(5,5),(6,6),(7,7),(8,8),(9,9),(0,0);
insert into t1 select * from t1;
insert into t1 select * from t1;
insert into t1 select * from t1;
insert into t1 select a+100, b+100 from t1;
create table t2 (a int, b int);
insert into t2 values (10,10),(11,11),(12,12),(13,13),(14,14),(5,5),(6,6),(7,7),(8,8),(9,9);
insert into t2 select * from t2;
insert into t2 select * from t2;
insert into t2 select * from t2;
insert into t2 select a+100, b+100 from t2;


select count(*) from
(
    select * from t1
    INTERSECT ALL
    select * from t2
) c;

select count(*) from
(
    select * from t1
    EXCEPT ALL
    select * from t2
) c;

select count(*) from
(
    select * from t1
    INTERSECT ALL
    select * from t2
    UNION ALL
    select * from t1
    EXCEPT ALL
    select * from t2
) c;

delete from t1;
delete from t2;

insert into t1 values (1,1),(2,2),(3,3),(4,4),(5,5),(6,6),(7,7),(8,8),(9,9),(0,0);
insert into t1 select a+10, b+10 from t1;
insert into t1 select a+20, b+20 from t1;
insert into t1 select a+40, b+40 from t1;
insert into t1 select a+80, b+80 from t1;
insert into t2 values (1110,1110),(1111,1111),(1112,1112),(1113,1113),(1114,1114),(1105,1105),(1106,1106),(1107,1107),(1108,1108),(1109,1109);
insert into t2 select a+10, b+10 from t2;
insert into t2 select a+20, b+20 from t2;
insert into t2 select a+40, b+40 from t2;
insert into t2 select a+80, b+80 from t2;

select count(*) from
(
    select * from t1
    UNION ALL
    select * from t2
    EXCEPT ALL
    values (1,1)
) c;

drop table t1;
drop table t2;

--echo #
--echo # MDEV-24242: set expression with empty intermediate result
--echo #             when tmp_memory_table_size is set to 0
--echo #

create table t1 (a int, b int) engine=MyISAM;
insert into t1 values (1,1), (2,2);
create table t2 (a int, b int) engine=MyISAM;
insert into t2 values (11,11), (12,12), (13,13);

let $q=
select * from t1
except all
select * from t1
except
select * from t1
union all
select * from t2;

eval $q;
set tmp_memory_table_size=0;
eval $q;
set tmp_memory_table_size=default;

drop table t1,t2;

--echo # End of 10.4 tests