From: Bruno Wolff III <bruno@wolff.to>
To: Willem de Jong <Willumpie@xs4all.nl>
Cc: pgsql-sql@postgresql.org
Subject: Re: sum ( time) problem
Date: Tue, 1 Jun 2004 09:03:34 -0500
Message-ID: <20040601140334.GA24188@wolff.to> (raw)
In-Reply-To: <Xns94F687197CDCDJongdatdnaservicesdo@200.46.204.72>
References: <Xns94E7AEA1D11BBJongdatdnaservicesdo@200.46.204.72>
<1084406549.228484@seven.kulnet.kuleuven.ac.be>
<Xns94F687197CDCDJongdatdnaservicesdo@200.46.204.72>
On Thu, May 27, 2004 at 11:14:58 +0000,
Willem de Jong <Willumpie@xs4all.nl> wrote:
> >>
> >> If i do a sum(time) the result is like this '1 day 18:00:00'. But i'd
> >> like to get a result like this '42:00:00'.
> >>
> >> How can i realise is by a query?
You can do something like the following: (not completely tested)
select extract(epoch from sum(time))/3600 || ':' ||
extract(minutes from sum(time)) || ':' ||
extract(seconds from sum(time));
I am not sure if the above will work right for negative intervals.
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To: pgsql-sql@postgresql.org
Cc: bruno@wolff.to, Willumpie@xs4all.nl
Subject: Re: sum ( time) problem
In-Reply-To: <20040601140334.GA24188@wolff.to>
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