DROP TABLE IF EXISTS tuple_01016; CREATE TABLE tuple_01016(a Tuple(DateTime, Int32)) ENGINE = MergeTree() ORDER BY a; -- repeat a couple of times, because it doesn't always reproduce well INSERT INTO tuple_01016 VALUES (('2018-01-01 00:00:00', 1)); SELECT * FROM tuple_01016 WHERE a < tuple(toDateTime('2019-01-01 00:00:00'), 0) format Null; INSERT INTO tuple_01016 VALUES (('2018-01-01 00:00:00', 1)); SELECT * FROM tuple_01016 WHERE a < tuple(toDateTime('2019-01-01 00:00:00'), 0) format Null; INSERT INTO tuple_01016 VALUES (('2018-01-01 00:00:00', 1)); SELECT * FROM tuple_01016 WHERE a < tuple(toDateTime('2019-01-01 00:00:00'), 0) format Null; INSERT INTO tuple_01016 VALUES (('2018-01-01 00:00:00', 1)); SELECT * FROM tuple_01016 WHERE a < tuple(toDateTime('2019-01-01 00:00:00'), 0) format Null; INSERT INTO tuple_01016 VALUES (('2018-01-01 00:00:00', 1)); SELECT * FROM tuple_01016 WHERE a < tuple(toDateTime('2019-01-01 00:00:00'), 0) format Null; DROP TABLE tuple_01016;