From: Rajesh Kumar Mallah <mallah@trade-india.com>
Organization: Infocom Network Limited
To: Christoph Haller <ch@rodos.fzk.de>, pgsql-sql@postgresql.org
Subject: Re: Formatting intervals..
Date: Mon, 17 Mar 2003 20:24:03 +0530
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Yes,

I now understand what tomasz is talking . just
bare interval cannot be converted to months/days
we need at least one of the end points.

thanks to both of you.

Regds
Mallah.

On Monday 17 Mar 2003 7:56 pm, Christoph Haller wrote:
> >
> > >>It doesn't make sense. You don't have whole date, so how long should
> 
> > >>month be? 28? 29? 30? 31?
> > >>
> > >
> > > It does. As long the months between January and October are.
> > > So
> > > select age ('10-10-1999'::timestamp , '1-1-1999'::timestamp ) ;
> > >       age
> > > ---------------
> > >  9 mons 9 days
> > > (1 row)
> > >
> > Your example above is related to some real date, so we know how many
> > days each month have. When using interval - we don't know how many
> days
> > each month should have. beacuse interval is unrelated to date.
> >
> Sorry, but it wasn't my example, it was Mallah's.
> But of course you're right on "interval is unrelated to date".
> 
> Regards, Christoph
> 
> 
> 
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-- 
Rajesh Kumar Mallah,
Project Manager (Development)
Infocom Network Limited, New Delhi
phone: +91(11)6152172 (221) (L) ,9811255597 (M)

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