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Re: timestamp with time zone a la sql99

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
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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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