SELECT * FROM ( SELECT number, n, j1, j2 FROM (SELECT number, number / 2 AS n FROM system.numbers) js1 ANY LEFT JOIN (SELECT number / 3 AS n, number AS j1, 'Hello' AS j2 FROM system.numbers LIMIT 10) js2 USING n LIMIT 10 ) ORDER BY n SETTINGS join_algorithm = 'hash'; -- the query does not finish with merge join