pg.ddx.io  pgsql-sql@postgresql.org mailing list archive  
help / color / mirror / Atom feed
From: Rajesh Kumar Mallah <mallah@trade-india.com>
To: Christoph Haller <ch@rodos.fzk.de>
To: pgsql-sql@postgresql.org
Cc: jasiek@klaster.net
Subject: Re: Formatting intervals..
Date: Mon, 17 Mar 2003 20:24:03 +0530
Message-ID: <200303172024.03256.mallah@trade-india.com> (raw)
In-Reply-To: <3E75DB1C.CA0A3F06@rodos.fzk.de>
References: <3E75DB1C.CA0A3F06@rodos.fzk.de>



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
> 
> 
> 
> ---------------------------(end of broadcast)---------------------------
> TIP 1: subscribe and unsubscribe commands go to majordomo@postgresql.org
> 
> 

-- 
Rajesh Kumar Mallah,
Project Manager (Development)
Infocom Network Limited, New Delhi
phone: +91(11)6152172 (221) (L) ,9811255597 (M)

Visit http://www.trade-india.com ,
India's Leading B2B eMarketplace.



view thread (15+ messages)  latest in thread

Message-ID: <200303172024.03256.mallah@trade-india.com>
Permalink:  ../200303172024.03256.mallah@trade-india.com/
Also on:    postgresql.org/message-id/200303172024.03256.mallah@trade-india.com

 · 

reply

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Reply to all the recipients using the --to and --cc options:
  reply via email

  To: pgsql-sql@postgresql.org
  Cc: mallah@trade-india.com, ch@rodos.fzk.de, jasiek@klaster.net
  Subject: Re: Formatting intervals..
  In-Reply-To: <200303172024.03256.mallah@trade-india.com>

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

This inbox is served by DDX for PostgreSQL; see mirroring instructions
for how to clone and mirror all data and code used for this inbox