From: Stephan Szabo <sszabo@megazone.bigpanda.com>
To: Jean-Paul Argudo <jean-paul@argudo.org>
Cc: pgsql-sql@postgresql.org, Tom Lane <tgl@sss.pgh.pa.us>
Cc: Martin Marques <martin@bugs.unl.edu.ar>
Subject: Re: age() vs. timestamp substraction
Date: Fri, 6 Oct 2006 06:56:51 -0700 (PDT)
Message-ID: <20061006065548.A16785@megazone.bigpanda.com> (raw)
In-Reply-To: <45262362.4030101@argudo.org>
References: <cbcf271add3140fe7cff8d45f31af585@bugs.unl.edu.ar>
<29752.1160073444@sss.pgh.pa.us>
<45262362.4030101@argudo.org>
On Fri, 6 Oct 2006, Jean-Paul Argudo wrote:
> Hi all,
>
> > Where did you get that idea? age's reference point is current_date (ie,
> > midnight) not now(). There are also some differences in the calculation
> > compared to a plain timestamp subtraction.
>
> I'm jumping on this thread to point out a little strange thing to me.
> CURRENT_DATE, converted (stupidly) as a string *with* hour is "current
> date at mid-day":
>
>
> test=# select to_char(current_date,'YYYY-MM-DD HH:MI:SS');
> to_char
> ---------------------
> 2006-10-06 12:00:00
> (1 ligne)
>
> It was a day when I had to debug a strange behaviour in a customer's
> (bad) code :-)
That's both midnight and mid-day. It's asking for 12 hour time and no
AM/PM marker.
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To: pgsql-sql@postgresql.org
Cc: sszabo@megazone.bigpanda.com, jean-paul@argudo.org, tgl@sss.pgh.pa.us, martin@bugs.unl.edu.ar
Subject: Re: age() vs. timestamp substraction
In-Reply-To: <20061006065548.A16785@megazone.bigpanda.com>
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