DROP TABLE IF EXISTS Bin_at_test; CREATE TABLE Bin_at_test ( `Date` DateTime('UTC'), Num Nullable(UInt8) ) ENGINE = Memory; INSERT INTO Bin_at_test VALUES ('2018-02-24T15:14:01',3), ('2018-02-23T16:14:01',4), ('2018-02-26T15:14:01',5); set dialect = 'kusto'; print '-- bin_at()'; print bin_at(6.5, 2.5, 7); print bin_at(1h, 1d, 12h); print bin_at(datetime(2017-05-15 10:20:00.0), 1d, datetime(1970-01-01 12:00:00.0)); print bin_at(datetime(2017-05-17 10:20:00.0), 7d, datetime(2017-06-04 00:00:00.0)); Bin_at_test | summarize sum(Num) by d = todatetime(bin_at(Date, 1d, datetime('2018-02-24 15:14:00'))) | order by d; print '-- bin()'; print bin(4.5, 1); print bin(datetime(1970-05-11 13:45:07), 1d); print bin(16d, 7d); print bin(datetime(1970-05-11 13:45:07.345623), 1ms); -- print bin(datetime(2022-09-26 10:13:23.987234), 6ms); -> 2022-09-26 10:13:23.982000000 print bin(datetime(1970-05-11 13:45:07.345623), 1microsecond); print bin(datetime(2022-09-26 10:13:23.987234), 6microseconds); print bin(datetime(1970-05-11 13:45:07.456345672), 16microseconds); -- print bin(datetime(2022-09-26 10:13:23.987234128), 1tick); -> 2022-09-26 10:13:23.987234100 -- print bin(datetime(2022-09-26 10:13:23.987234128), 99nanosecond); -> null