From: Tom Lane <tgl@sss.pgh.pa.us>
To: Oliver Elphick <olly@lfix.co.uk>
Cc: Doppelganger <quadratini@sni.ph>
Cc: pgsql-sql@postgresql.org
Subject: Re: convert sum (interval) to seconds
Date: Tue, 03 Sep 2002 09:37:27 -0400
Message-ID: <5238.1031060247@sss.pgh.pa.us> (raw)
In-Reply-To: <1031051470.18322.12.camel@linda>
References: <1031049935.25016.14.camel@tiger-work.sni.ph>
<1031051470.18322.12.camel@linda>
Oliver Elphick <olly@lfix.co.uk> writes:
> On Tue, 2002-09-03 at 11:45, Doppelganger wrote:
>> How can I convert sum(interval) to seconds?
> Here's one way;
> junk=# select extract (minute from sum(if)) * 60 + extract (second
> from sum(if)) from i;
EXTRACT(EPOCH FROM interval) is designed for this ...
regards, tom lane
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To: pgsql-sql@postgresql.org
Cc: tgl@sss.pgh.pa.us, olly@lfix.co.uk, quadratini@sni.ph
Subject: Re: convert sum (interval) to seconds
In-Reply-To: <5238.1031060247@sss.pgh.pa.us>
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