[Python-Dev] datetime nanosecond support (original) (raw)

Antoine Pitrou solipsis at pitrou.net
Wed Jul 25 13:48:53 CEST 2012

On Wed, 25 Jul 2012 11:24:14 +0200 Christian Heimes <lists at cheimes.de> wrote:

Am 25.07.2012 03:46, schrieb Guido van Rossum: > First you will have to show how you'd have to code this without > nanosecond precision in datetime and how tedious that is. (I expect > that representing the timestamp as a long integer expressing a posix > timestamp times a billion would be very reasonable.)

I'd vote for two separate numbers, the first similar to JDN (Julian Day Number [1]), the second for nanoseconds per day. 3600 * 1000000 fit nicely into an unsigned 32bit int.

But 24 * 3600 * 1e9 doesn't. Perhaps I didn't understand your proposal.

Regards

Antoine.

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