| From: | Peter Eisentraut <peter_e(at)gmx(dot)net> |
|---|---|
| To: | guillaume(at)lelarge(dot)info |
| Cc: | Brendan Jurd <direvus(at)gmail(dot)com>, pgsql-patches(at)postgresql(dot)org |
| Subject: | Re: [GENERAL] ISO week dates |
| Date: | 2006-10-16 17:01:33 |
| Message-ID: | 200610161901.35955.peter_e@gmx.net |
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| Lists: | pgsql-general pgsql-patches |
Guillaume Lelarge wrote:
> Guillaume Lelarge a ecrit le 12/10/2006 20:20:
> > Peter Eisentraut a écrit :
> >> We should also support a format for ISO day-of-the-year, which
> >> might be 'IDDD'.
> >
> > I will work tomorrow on this one.
>
> Don't we already have it ? It seems ISO day-of-the-year is between
> 001 and 366 in leap years. Isn't this the definition for DDD format ?
> if Im' right, I just need to add the IDDD pattern ?
The ISO 8601 day-of-the-year is aligned with the week-of-the-year. It
should be the case that day one of week one is also day one of the
year.
(As a particular example, day one of 2006 is January 2, 2006.)
--
Peter Eisentraut
http://developer.postgresql.org/~petere/
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