| From: | Bruno Wolff III <bruno(at)wolff(dot)to> |
|---|---|
| To: | Dennis Bjorklund <db(at)zigo(dot)dhs(dot)org> |
| Cc: | Josh Berkus <josh(at)agliodbs(dot)com>, pgsql-hackers(at)postgresql(dot)org, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Subject: | Re: timestamp with time zone a la sql99 |
| Date: | 2004-10-25 19:40:57 |
| Message-ID: | 20041025194057.GA26356@wolff.to |
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| Lists: | pgsql-hackers |
On Mon, Oct 25, 2004 at 21:18:52 +0200,
Dennis Bjorklund <db(at)zigo(dot)dhs(dot)org> wrote:
> On Mon, 25 Oct 2004, Josh Berkus wrote:
>
> > Hour/Minute/Second/ms
> > Day/Week
> > Month/Year
>
> This is embarrasing. I'm still a bit confused :-)
>
> The standard treat days as a separate entry, it does not assume that a day
> is 24 hours. It restricts the hour field to the interval 0-23 so one can
> never have something like 25 hours. So it does not need to worry about how
> many days that translate to.
>
> And why do we need weeks also?
For convenience. Just like years are a group of months, weeks are a group
of days.
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