ClickHouse/dbms/tests/queries/0_stateless/00169_join_constant_keys.sql

SELECT
    key1,
    key2,
    table_1
FROM
(
    SELECT
        arrayJoin([1, 2, 3]) AS key1,
        0 AS key2,
        999 AS table_1
) ALL INNER JOIN
(
    SELECT
        arrayJoin([1, 3, 2]) AS key1,
        0 AS key2,
        999 AS table_1
) USING key2, key1;