DROP TABLE IF EXISTS join; CREATE TABLE join (k UInt64, s String) ENGINE = Join(ANY, LEFT, k); INSERT INTO join VALUES (1, 'abc'), (2, 'def'); SELECT k, s FROM (SELECT number AS k FROM system.numbers LIMIT 10) js1 ANY LEFT JOIN join USING k; INSERT INTO join VALUES (6, 'ghi'); SELECT k, s FROM (SELECT number AS k FROM system.numbers LIMIT 10) js1 ANY LEFT JOIN join USING k; DROP TABLE join;