-- { echo }
SELECT toDateTime(-2, 2);
1970-01-01 03:00:00.00
SELECT toDateTime64(-2, 2);
1970-01-01 03:00:00.00
SELECT CAST(-1 AS DateTime64);
1970-01-01 03:00:00.000
SELECT CAST('2020-01-01 00:00:00.3' AS DateTime64);
2020-01-01 00:00:00.300
SELECT toDateTime64(bitShiftLeft(toUInt64(1),33), 2);
2106-02-07 09:28:15.00