to_floating_timestamp
Turn a text value into a floating datetime. "Floating" means the timezone
isn't specified, ie: the time "floats" depending on where you are.
The formatting string can be constructed with the following tokens
Spec. Example Description
-- Date Specifiers
%Y 2001 The full proleptic Gregorian year, zero-padded to 4 digits.
%C 20 The proleptic Gregorian year divided by 100, zero-padded to 2 digits.
%y 01 The proleptic Gregorian year modulo 100, zero-padded to 2 digits.
%m 07 Month number (01--12), zero-padded to 2 digits.
%b Jul Abbreviated month name. Always 3 letters.
%B July Full month name. Also accepts corresponding abbreviation in parsing.
%h Jul Same as %b.
%d 08 Day number (01--31), zero-padded to 2 digits.
%e 8 Same as %d but space-padded. Same as %_d.
%a Sun Abbreviated weekday name. Always 3 letters.
%A Sunday Full weekday name. Also accepts corresponding abbreviation in parsing.
%w 0 Sunday = 0, Monday = 1, ..., Saturday = 6.
%u 7 Monday = 1, Tuesday = 2, ..., Sunday = 7. (ISO 8601)
%U 28 Week number starting with Sunday (00--53), zero-padded to 2 digits.
%W 27 Same as %U, but week 1 starts with the first Monday in that year instead.
%G 2001 Same as %Y but uses the year number in ISO 8601 week date.
%g 01 Same as %y but uses the year number in ISO 8601 week date.
%V 27 Same as %U but uses the week number in ISO 8601 week date (01--53).
%j 189 Day of the year (001--366), zero-padded to 3 digits.
%D 07/08/01 Month-day-year format. Same as %m/%d/%y.
%x 07/08/01 Same as %D.
%F 2001-07-08 Year-month-day format (ISO 8601). Same as %Y-%m-%d.
%v 8-Jul-2001 Day-month-year format. Same as %e-%b-%Y.
-- Time Specifiers
%H 00 Hour number (00--23), zero-padded to 2 digits.
%k 0 Same as %H but space-padded. Same as %_H.
%I 12 Hour number in 12-hour clocks (01--12), zero-padded to 2 digits.
%l 12 Same as %I but space-padded. Same as %_I.
%P am am or pm in 12-hour clocks.
%p AM AM or PM in 12-hour clocks.
%M 34 Minute number (00--59), zero-padded to 2 digits.
%S 60 Second number (00--60), zero-padded to 2 digits.
%f 026490000 The fractional seconds (in nanoseconds) since last whole second.
%.f .026490 Similar to .%f but left-aligned.
%.3f .026 Similar to .%f but left-aligned but fixed to a length of 3.
%.6f .026490 Similar to .%f but left-aligned but fixed to a length of 6.
%.9f .026490000 Similar to .%f but left-aligned but fixed to a length of 9.
%R 00:34 Hour-minute format. Same as %H:%M.
%T 00:34:60 Hour-minute-second format. Same as %H:%M:%S.
%X 00:34:60 Same as %T.
%r 12:34:60 AM Hour-minute-second format in 12-hour clocks. Same as %I:%M:%S %p.
-- Time zone specifiers
%Z ACST Formatting only: Local time zone name.
%z +0930 Offset from the local time to UTC (with UTC being +0000).
%:z +09:30 Same as %z but with a colon.
-- Date and Time specifiers
%c Sun Jul 8 00:34:60 2001 ctime date & time format. Same as %a %b %e %T %Y sans
.
%+ 2001-07-08T00:34:60.026490+09:30 ISO 8601 / RFC 3339 date & time format.
%s 994518299 UNIX timestamp, the number of seconds since 1970-01-01 00:00 UTC.
-- Special Specifiers
%t Literal tab ( ).
%n Literal newline (
).
%% Literal percent sign.
Turn an absolute point in time into a timestamp in the given time zone.
Examples:
to_floating_timestamp('4/1/2018 1:05:26AM','%m/%d/%Y %I:%M:%S%P')
-- Result: "2018-04-01T01:05:26"
calendar_date -> calendar_date
text, text -> calendar_date
text -> calendar_date
date, text -> calendar_date