ClickHouse/dbms/tests/queries/0_stateless/00445_join_nullable_keys.sql
2017-04-07 00:44:52 +03:00

32 lines
724 B
SQL

SET join_use_nulls = 0;
SELECT k, a, b
FROM
(
SELECT nullIf(number, 7) AS k, toString(number) AS a FROM system.numbers LIMIT 10
)
ANY INNER JOIN
(
SELECT number AS k, toString(number) AS b FROM system.numbers LIMIT 5, 10
) USING (k) ORDER BY k;
SELECT k, a, b
FROM
(
SELECT number AS k, toString(number) AS a FROM system.numbers LIMIT 10
)
ANY LEFT JOIN
(
SELECT nullIf(number, 8) AS k, toString(number) AS b FROM system.numbers LIMIT 5, 10
) USING (k) ORDER BY k;
SELECT k, a, b
FROM
(
SELECT nullIf(number, 7) AS k, toString(number) AS a FROM system.numbers LIMIT 10
)
ANY RIGHT JOIN
(
SELECT nullIf(number, 8) AS k, toString(number) AS b FROM system.numbers LIMIT 5, 10
) USING (k) ORDER BY k;