| From: | Stephan Szabo <sszabo(at)megazone(dot)bigpanda(dot)com> |
|---|---|
| To: | Jean-Paul Argudo <jean-paul(at)argudo(dot)org> |
| Cc: | pgsql-sql(at)postgresql(dot)org, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Martin Marques <martin(at)bugs(dot)unl(dot)edu(dot)ar> |
| Subject: | Re: age() vs. timestamp substraction |
| Date: | 2006-10-06 13:56:51 |
| Message-ID: | 20061006065548.A16785@megazone.bigpanda.com |
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| Thread: | |
| Lists: | pgsql-sql |
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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