SET join_use_nulls = 1; select 'left asof using'; SELECT a.pk, b.pk, a.dt, b.dt, toTypeName(a.pk), toTypeName(b.pk), toTypeName(materialize(a.dt)), toTypeName(materialize(b.dt)) FROM (SELECT toUInt8(number) > 0 as pk, toUInt8(number) as dt FROM numbers(3)) a ASOF LEFT JOIN (SELECT 1 as pk, 2 as dt) b USING(pk, dt) ORDER BY a.dt; SELECT a.pk, b.pk, a.dt, b.dt, toTypeName(a.pk), toTypeName(b.pk), toTypeName(materialize(a.dt)), toTypeName(materialize(b.dt)) FROM (SELECT toUInt8(number) > 0 as pk, toNullable(toUInt8(number)) as dt FROM numbers(3)) a ASOF LEFT JOIN (SELECT 1 as pk, 2 as dt) b USING(pk, dt) ORDER BY a.dt; SELECT a.pk, b.pk, a.dt, b.dt, toTypeName(a.pk), toTypeName(b.pk), toTypeName(materialize(a.dt)), toTypeName(materialize(b.dt)) FROM (SELECT toUInt8(number) > 0 as pk, toUInt8(number) as dt FROM numbers(3)) a ASOF LEFT JOIN (SELECT 1 as pk, toNullable(0) as dt) b USING(pk, dt) ORDER BY a.dt; -- { serverError 48 } SELECT a.pk, b.pk, a.dt, b.dt, toTypeName(a.pk), toTypeName(b.pk), toTypeName(materialize(a.dt)), toTypeName(materialize(b.dt)) FROM (SELECT toUInt8(number) > 0 as pk, toNullable(toUInt8(number)) as dt FROM numbers(3)) a ASOF LEFT JOIN (SELECT 1 as pk, toNullable(0) as dt) b USING(pk, dt) ORDER BY a.dt; -- { serverError 48 } select 'left asof on'; SELECT a.pk, b.pk, a.dt, b.dt, toTypeName(a.pk), toTypeName(b.pk), toTypeName(materialize(a.dt)), toTypeName(materialize(b.dt)) FROM (SELECT toUInt8(number) > 0 as pk, toUInt8(number) as dt FROM numbers(3)) a ASOF LEFT JOIN (SELECT 1 as pk, 2 as dt) b ON a.pk = b.pk AND a.dt >= b.dt ORDER BY a.dt; SELECT a.pk, b.pk, a.dt, b.dt, toTypeName(a.pk), toTypeName(b.pk), toTypeName(materialize(a.dt)), toTypeName(materialize(b.dt)) FROM (SELECT toUInt8(number) > 0 as pk, toNullable(toUInt8(number)) as dt FROM numbers(3)) a ASOF LEFT JOIN (SELECT 1 as pk, 2 as dt) b ON a.pk = b.pk AND a.dt >= b.dt ORDER BY a.dt; SELECT a.pk, b.pk, a.dt, b.dt, toTypeName(a.pk), toTypeName(b.pk), toTypeName(materialize(a.dt)), toTypeName(materialize(b.dt)) FROM (SELECT toUInt8(number) > 0 as pk, toUInt8(number) as dt FROM numbers(3)) a ASOF LEFT JOIN (SELECT 1 as pk, toNullable(0) as dt) b ON a.pk = b.pk AND a.dt >= b.dt ORDER BY a.dt; -- { serverError 48 } SELECT a.pk, b.pk, a.dt, b.dt, toTypeName(a.pk), toTypeName(b.pk), toTypeName(materialize(a.dt)), toTypeName(materialize(b.dt)) FROM (SELECT toUInt8(number) > 0 as pk, toNullable(toUInt8(number)) as dt FROM numbers(3)) a ASOF LEFT JOIN (SELECT 1 as pk, toNullable(0) as dt) b ON a.dt >= b.dt AND a.pk = b.pk ORDER BY a.dt; -- { serverError 48 } select 'asof using'; SELECT a.pk, b.pk, a.dt, b.dt, toTypeName(a.pk), toTypeName(b.pk), toTypeName(materialize(a.dt)), toTypeName(materialize(b.dt)) FROM (SELECT toUInt8(number) > 0 as pk, toUInt8(number) as dt FROM numbers(3)) a ASOF JOIN (SELECT 1 as pk, 2 as dt) b USING(pk, dt) ORDER BY a.dt; SELECT a.pk, b.pk, a.dt, b.dt, toTypeName(a.pk), toTypeName(b.pk), toTypeName(materialize(a.dt)), toTypeName(materialize(b.dt)) FROM (SELECT toUInt8(number) > 0 as pk, toNullable(toUInt8(number)) as dt FROM numbers(3)) a ASOF JOIN (SELECT 1 as pk, 2 as dt) b USING(pk, dt) ORDER BY a.dt; SELECT a.pk, b.pk, a.dt, b.dt, toTypeName(a.pk), toTypeName(b.pk), toTypeName(materialize(a.dt)), toTypeName(materialize(b.dt)) FROM (SELECT toUInt8(number) > 0 as pk, toUInt8(number) as dt FROM numbers(3)) a ASOF JOIN (SELECT 1 as pk, toNullable(0) as dt) b USING(pk, dt) ORDER BY a.dt; -- { serverError 48 } SELECT a.pk, b.pk, a.dt, b.dt, toTypeName(a.pk), toTypeName(b.pk), toTypeName(materialize(a.dt)), toTypeName(materialize(b.dt)) FROM (SELECT toUInt8(number) > 0 as pk, toNullable(toUInt8(number)) as dt FROM numbers(3)) a ASOF JOIN (SELECT 1 as pk, toNullable(0) as dt) b USING(pk, dt) ORDER BY a.dt; -- { serverError 48 } select 'asof on'; SELECT a.pk, b.pk, a.dt, b.dt, toTypeName(a.pk), toTypeName(b.pk), toTypeName(materialize(a.dt)), toTypeName(materialize(b.dt)) FROM (SELECT toUInt8(number) > 0 as pk, toUInt8(number) as dt FROM numbers(3)) a ASOF JOIN (SELECT 1 as pk, 2 as dt) b ON a.pk = b.pk AND a.dt >= b.dt ORDER BY a.dt; SELECT a.pk, b.pk, a.dt, b.dt, toTypeName(a.pk), toTypeName(b.pk), toTypeName(materialize(a.dt)), toTypeName(materialize(b.dt)) FROM (SELECT toUInt8(number) > 0 as pk, toNullable(toUInt8(number)) as dt FROM numbers(3)) a ASOF JOIN (SELECT 1 as pk, 2 as dt) b ON a.pk = b.pk AND a.dt >= b.dt ORDER BY a.dt; SELECT a.pk, b.pk, a.dt, b.dt, toTypeName(a.pk), toTypeName(b.pk), toTypeName(materialize(a.dt)), toTypeName(materialize(b.dt)) FROM (SELECT toUInt8(number) > 0 as pk, toUInt8(number) as dt FROM numbers(3)) a ASOF JOIN (SELECT 1 as pk, toNullable(0) as dt) b ON a.pk = b.pk AND a.dt >= b.dt ORDER BY a.dt; -- { serverError 48 } SELECT a.pk, b.pk, a.dt, b.dt, toTypeName(a.pk), toTypeName(b.pk), toTypeName(materialize(a.dt)), toTypeName(materialize(b.dt)) FROM (SELECT toUInt8(number) > 0 as pk, toNullable(toUInt8(number)) as dt FROM numbers(3)) a ASOF JOIN (SELECT 1 as pk, toNullable(0) as dt) b ON a.pk = b.pk AND a.dt >= b.dt ORDER BY a.dt; -- { serverError 48 } SELECT a.pk, b.pk, a.dt, b.dt, toTypeName(a.pk), toTypeName(b.pk), toTypeName(materialize(a.dt)), toTypeName(materialize(b.dt)) FROM (SELECT toUInt8(number) > 0 as pk, toNullable(toUInt8(number)) as dt FROM numbers(3)) a ASOF JOIN (SELECT 1 as pk, toNullable(0) as dt) b ON a.dt >= b.dt AND a.pk = b.pk ORDER BY a.dt; -- { serverError 48 } SELECT * FROM (SELECT NULL AS y, 1 AS x, '2020-01-01 10:10:10' :: DateTime64 AS t) AS t1 ASOF LEFT JOIN (SELECT NULL AS y, 1 AS x, '2020-01-01 10:10:10' :: DateTime64 AS t) AS t2 ON t1.t <= t2.t AND t1.x == t2.x FORMAT Null;