-- dayofmonth()
31
-- dayofweek()
4.00:00:00
-- dayofyear()
365
-- getmonth()
10
-- getyear()
2015
-- hoursofday()
23
-- startofday()
2017-01-01 00:00:00.000000000
2016-12-31 00:00:00.000000000
2017-01-02 00:00:00.000000000
-- endofday()
2017-01-01 23:59:59.999999000
2016-12-31 23:59:59.999999000
2017-01-02 23:59:59.999999000
-- endofmonth()
2017-01-31 23:59:59.999999000
2016-12-31 23:59:59.999999000
2017-02-28 23:59:59.999999000
2022-09-30 23:59:59.999999000
-- startofweek()
2017-01-01 00:00:00.000000000
2016-12-25 00:00:00.000000000
2017-01-08 00:00:00.000000000
-- endofweek()
2017-01-07 23:59:59.999999000
2016-12-31 23:59:59.999999000
2017-01-14 23:59:59.999999000
-- startofyear()
2017-01-01 00:00:00.000000000
2016-01-01 00:00:00.000000000
2018-01-01 00:00:00.000000000
-- endofyear()
2017-12-31 23:59:59.999999000
2016-12-31 23:59:59.999999000
2018-12-31 23:59:59.999999000
-- unixtime_seconds_todatetime()
2019-01-01 00:00:00.000000000
1970-01-02 00:00:00.000000000
1969-12-31 00:00:00.000000000
-- unixtime_microseconds_todatetime
2019-01-01 00:00:00.000000
-- unixtime_milliseconds_todatetime()
2019-01-01 00:00:00.000
-- unixtime_nanoseconds_todatetime()
2019-01-01 00:00:00.000000000
-- weekofyear()
52
-- monthofyear()
12
-- weekofyear()
52
-- now()
1
-- make_datetime()
1
2017-10-01 12:10:00.0000000
2017-10-01 12:11:00.0000000
-- format_datetime
15-12-14 02:03:04.1234500
17-01-29 [09:00:05]	2017-01-29 [09:00:05]	17-01-29 [09:00:05 AM]
-- format_timespan()
02:03:04.1234500
29.09:00:05:12
-- ago()
-- datetime_diff()
17	2	13	4	29	2	5	10
-- datetime_part()
2017	4	10	44	30	303	01	02	03
-- datetime_add()
2018-01-01 00:00:00.0000000	2017-04-01 00:00:00.0000000	2017-02-01 00:00:00.0000000	2017-01-08 00:00:00.0000000	2017-01-02 00:00:00.0000000	2017-01-01 01:00:00.0000000	2017-01-01 00:01:00.0000000	2017-01-01 00:00:01.0000000