SET partial_merge_join = 1; SELECT count(1), uniqExact(1) FROM ( SELECT materialize(1) as k FROM numbers(1) JOIN (SELECT materialize(1) AS k, number n FROM numbers(100000)) j USING k); SELECT count(1), uniqExact(1) FROM ( SELECT materialize(1) as k FROM numbers(1) JOIN (SELECT 1 AS k, number n FROM numbers(100000)) j USING k); SELECT count(1), uniqExact(1) FROM ( SELECT 1 as k FROM numbers(1) JOIN (SELECT materialize(1) AS k, number n FROM numbers(100000)) j USING k); SELECT count(1), uniqExact(1) FROM ( SELECT 1 as k FROM numbers(1) JOIN (SELECT 1 AS k, number n FROM numbers(100000)) j USING k); SELECT 'first nullable'; SELECT count(1), uniqExact(1) FROM ( SELECT materialize(toNullable(1)) as k FROM numbers(1) JOIN (SELECT materialize(1) AS k, number n FROM numbers(100000)) j USING k); SELECT count(1), uniqExact(1) FROM ( SELECT materialize(toNullable(1)) as k FROM numbers(1) JOIN (SELECT 1 AS k, number n FROM numbers(100000)) j USING k); SELECT count(1), uniqExact(1) FROM ( SELECT toNullable(1) as k FROM numbers(1) JOIN (SELECT materialize(1) AS k, number n FROM numbers(100000)) j USING k); SELECT count(1), uniqExact(1) FROM ( SELECT toNullable(1) as k FROM numbers(1) JOIN (SELECT 1 AS k, number n FROM numbers(100000)) j USING k); SELECT 'second nullable'; SELECT count(1), uniqExact(1) FROM ( SELECT materialize(1) as k FROM numbers(1) JOIN (SELECT materialize(toNullable(1)) AS k, number n FROM numbers(100000)) j USING k); SELECT count(1), uniqExact(1) FROM ( SELECT materialize(1) as k FROM numbers(1) JOIN (SELECT toNullable(1) AS k, number n FROM numbers(100000)) j USING k); SELECT count(1), uniqExact(1) FROM ( SELECT 1 as k FROM numbers(1) JOIN (SELECT materialize(toNullable(1)) AS k, number n FROM numbers(100000)) j USING k); SELECT count(1), uniqExact(1) FROM ( SELECT 1 as k FROM numbers(1) JOIN (SELECT toNullable(1) AS k, number n FROM numbers(100000)) j USING k); SELECT 'both nullable'; SELECT count(1), uniqExact(1) FROM ( SELECT materialize(toNullable(1)) as k FROM numbers(1) JOIN (SELECT materialize(toNullable(1)) AS k, number n FROM numbers(100000)) j USING k); SELECT count(1), uniqExact(1) FROM ( SELECT materialize(toNullable(1)) as k FROM numbers(1) JOIN (SELECT toNullable(1) AS k, number n FROM numbers(100000)) j USING k); SELECT count(1), uniqExact(1) FROM ( SELECT toNullable(1) as k FROM numbers(1) JOIN (SELECT materialize(toNullable(1)) AS k, number n FROM numbers(100000)) j USING k); SELECT count(1), uniqExact(1) FROM ( SELECT toNullable(1) as k FROM numbers(1) JOIN (SELECT toNullable(1) AS k, number n FROM numbers(100000)) j USING k);