ClickHouse/tests/queries/0_stateless/02933_paste_join.sql

select * from (SELECT number as a FROM numbers(10)) t1 PASTE JOIN (select number as a from numbers(10)) t2;
select * from (SELECT number as a FROM numbers(10)) t1 PASTE JOIN (select number as a from numbers(10) order by a desc) t2;
create table if not exists test (number UInt64) engine=Memory;
insert into test select number from numbers(6);
insert into test select number from numbers(5);
SELECT * FROM (SELECT 1) t1 PASTE JOIN (SELECT 2) SETTINGS joined_subquery_requires_alias=0;
select * from (SELECT number as a FROM numbers(11)) t1 PASTE JOIN test t2 SETTINGS max_threads=1;
select * from (SELECT number as a FROM numbers(11)) t1 PASTE JOIN (select * from test limit 2) t2 SETTINGs max_threads=1;
CREATE TABLE t1 (a UInt64, b UInt64) ENGINE = Memory;
INSERT INTO t1 SELECT number, number FROM numbers(0, 3);
INSERT INTO t1 SELECT number, number FROM numbers(3, 2);
INSERT INTO t1 SELECT number, number FROM numbers(5, 7);
INSERT INTO t1 SELECT number, number FROM numbers(12, 2);
INSERT INTO t1 SELECT number, number FROM numbers(14, 1);
INSERT INTO t1 SELECT number, number FROM numbers(15, 2);
INSERT INTO t1 SELECT number, number FROM numbers(17, 1);
INSERT INTO t1 SELECT number, number FROM numbers(18, 2);
INSERT INTO t1 SELECT number, number FROM numbers(20, 2);
INSERT INTO t1 SELECT number, number FROM numbers(22, 2);
INSERT INTO t1 SELECT number, number FROM numbers(24, 2);
INSERT INTO t1 SELECT number, number FROM numbers(26, 2);
INSERT INTO t1 SELECT number, number FROM numbers(28, 2);


CREATE TABLE t2 (a UInt64, b UInt64) ENGINE = Memory;
INSERT INTO t2 SELECT number, number FROM numbers(0, 2);
INSERT INTO t2 SELECT number, number FROM numbers(2, 3);
INSERT INTO t2 SELECT number, number FROM numbers(5, 5);
INSERT INTO t2 SELECT number, number FROM numbers(10, 5);
INSERT INTO t2 SELECT number, number FROM numbers(15, 15);

SELECT * FROM ( SELECT * from t1 ) t1 PASTE JOIN ( SELECT * from t2 ) t2 SETTINGS max_threads = 1;
SELECT toTypeName(a) FROM (SELECT number as a FROM numbers(11)) t1 PASTE JOIN (select number as a from numbers(10)) t2 SETTINGS join_use_nulls = 1;
SET max_threads = 2;
select * from (SELECT number as a FROM numbers_mt(10)) t1 PASTE JOIN (select number as a from numbers(10) ORDER BY a DESC) t2 SETTINGS max_block_size=10;
select * from (SELECT number as a FROM numbers(10)) t1 ANY PASTE JOIN (select number as a from numbers(10)) t2; -- { clientError SYNTAX_ERROR }
select * from (SELECT number as a FROM numbers(10)) t1 ALL PASTE JOIN (select number as a from numbers(10)) t2; -- { clientError SYNTAX_ERROR }

SELECT * FROM (SELECT number FROM test) PASTE JOIN (SELECT number FROM numbers(10) ORDER BY number DESC ) SETTINGS joined_subquery_requires_alias = 1, allow_experimental_analyzer = 1; -- { serverError BAD_ARGUMENTS }
SELECT * FROM (SELECT number FROM test) PASTE JOIN (SELECT number FROM numbers(6) ORDER BY number DESC ) SETTINGS joined_subquery_requires_alias = 0;