From: Andreas Joseph Krogh <andreak@officenet.no>
To: pgsql-sql@postgresql.org
Cc: Andreas Kretschmer <akretschmer@spamfence.net>
Subject: Re: Format intervall as hours/minutes etc
Date: Sun, 16 Sep 2007 13:27:16 +0200
Message-ID: <200709161327.16989.andreak@officenet.no> (raw)
In-Reply-To: <20070916111427.GA13886@KanotixBox>
References: <200709161300.53257.andreak@officenet.no>
<20070916111427.GA13886@KanotixBox>
On Sunday 16 September 2007 13:14:27 Andreas Kretschmer wrote:
> Andreas Joseph Krogh <andreak@officenet.no> schrieb:
> > Hi all. Any hint on how to format this interval as number of hour/seconds
> > etc? select age('2007-09-22 17:00'::timestamp, '2000-02-20
> > 18:00'::timestamp); age
> > -------------------------------
> > 7 years 7 mons 1 day 23:00:00
>
> You can use extract(epoch, from ...) like this:
>
> test=*# select extract(epoch from '2007-09-22 17:00'::timestamp) - extract
> (epoch from '2000-02-20 18:00'::timestamp); ?column?
> -----------
> 239407200
> (1 row)
>
> Now you can calculate the hours and so on.
Yes, this works fine for dates >= 1970, but I'm looking for a more general
solution which takes an arbitrary interval as input. The reason why I'm using
PG to calculate this is 'cause it takes 25/23 hour days, leapyears etc. into
account when calculating intervals.
--
Andreas Joseph Krogh <andreak@officenet.no>
Senior Software Developer / Manager
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To: pgsql-sql@postgresql.org
Cc: andreak@officenet.no, akretschmer@spamfence.net
Subject: Re: Format intervall as hours/minutes etc
In-Reply-To: <200709161327.16989.andreak@officenet.no>
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