mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-12-11 08:52:06 +00:00
68 lines
2.9 KiB
SQL
68 lines
2.9 KiB
SQL
SET joined_subquery_requires_alias = 0;
|
|
|
|
drop table if exists tab1;
|
|
drop table if exists tab2;
|
|
drop table if exists tab3;
|
|
|
|
create table tab1 (a1 Int32, b1 Int32) engine = MergeTree order by a1;
|
|
create table tab2 (a2 Int32, b2 Int32) engine = MergeTree order by a2;
|
|
create table tab3 (a3 Int32, b3 Int32) engine = MergeTree order by a3;
|
|
|
|
insert into tab1 values (1, 2);
|
|
|
|
insert into tab2 values (2, 3);
|
|
insert into tab2 values (6, 4);
|
|
|
|
insert into tab3 values (2, 3);
|
|
insert into tab3 values (5, 4);
|
|
insert into tab3 values (100, 4);
|
|
|
|
select 'join on OR chain (all left)';
|
|
select a2, b2 from tab2 all left join tab3 on a2 = a3 or b2 = b3 ORDER BY a2, b2;
|
|
select '==';
|
|
select a3, b3 from tab2 all left join tab3 on a2 = a3 or b2 = b3 ORDER BY a3, b3;
|
|
select '==';
|
|
select a2, b2, a3, b3 from tab2 all left join tab3 on a2 = a3 or b2 = b3 ORDER BY a2, b2, a3, b3;
|
|
select '==';
|
|
select a1 from tab1 all left join tab2 on b1 + 1 = a2 + 1 or a1 + 4 = b2 + 2 ORDER BY a1;
|
|
select '==';
|
|
select a1, b2 from tab1 all left join tab2 on b1 + 1 = a2 + 1 or a1 + 4 = b2 + 2 ORDER BY a1, b2;
|
|
select '==';
|
|
select a1, b1, a2, b2 from tab1 all left join tab2 on b1 + 1 = a2 + 1 or a1 + 4 = b2 + 2 ORDER BY a1, b1, a2, b2;
|
|
select '==';
|
|
select a2, b2 + 1 from tab1 all left join tab2 on b1 + 1 = a2 + 1 or a1 + 4 = b2 + 2 ORDER BY a2, b2 + 1;
|
|
|
|
select 'join on OR chain (all right)';
|
|
select a2, b2 from tab2 all right join tab3 on a2 = a3 or b2 = b3 ORDER BY a2, b2;
|
|
select '==';
|
|
select a3, b3 from tab2 all right join tab3 on a2 = a3 or b2 = b3 ORDER BY a3, b3;
|
|
select '==';
|
|
select a2, b2, a3, b3 from tab2 all right join tab3 on a2 = a3 or b2 = b3 ORDER BY a2, b2, a3, b3;
|
|
select '==';
|
|
select a1 from tab1 all right join tab2 on b1 + 1 = a2 + 1 or a1 + 4 = b2 + 2 ORDER BY a1;
|
|
select '==';
|
|
select a1, b2 from tab1 all right join tab2 on b1 + 1 = a2 + 1 or a1 + 4 = b2 + 2 ORDER BY a1, b2;
|
|
select '==';
|
|
select a1, b1, a2, b2 from tab1 all right join tab2 on b1 + 1 = a2 + 1 or a1 + 4 = b2 + 2 ORDER BY a1, b1, a2, b2;
|
|
select '==';
|
|
select a2, b2 + 1 from tab1 all right join tab2 on b1 + 1 = a2 + 1 or a1 + 4 = b2 + 2 ORDER BY a2, b2 + 1;
|
|
|
|
select 'join on OR chain (full)';
|
|
select a2, b2 from tab2 full join tab3 on a2 = a3 or b2 = b3 ORDER BY a2, b2;
|
|
select '==';
|
|
select a3, b3 from tab2 full join tab3 on a2 = a3 or b2 = b3 ORDER BY a3, b3;
|
|
select '==';
|
|
select a2, b2, a3, b3 from tab2 full join tab3 on a2 = a3 or b2 = b3 ORDER BY a2, b2, a3, b3;
|
|
select '==';
|
|
select a1 from tab1 full join tab2 on b1 + 1 = a2 + 1 or a1 + 4 = b2 + 2 ORDER BY a1;
|
|
select '==';
|
|
select a1, b2 from tab1 full join tab2 on b1 + 1 = a2 + 1 or a1 + 4 = b2 + 2 ORDER BY a1, b2;
|
|
select '==';
|
|
select a1, b1, a2, b2 from tab1 full join tab2 on b1 + 1 = a2 + 1 or a1 + 4 = b2 + 2 ORDER BY a1, b1, a2, b2;
|
|
select '==';
|
|
select a2, b2 + 1 from tab1 full join tab2 on b1 + 1 = a2 + 1 or a1 + 4 = b2 + 2 ORDER BY a2, b2 + 1;
|
|
|
|
drop table tab1;
|
|
drop table tab2;
|
|
drop table tab3;
|