Re: Converting interval to numeric?

From: Bruno Wolff III <bruno(at)wolff(dot)to>
To: Sal Dkj <saldkj(at)hotmail(dot)com>
Cc: pgsql-novice(at)postgresql(dot)org
Subject: Re: Converting interval to numeric?
Date: 2005-02-11 04:58:25
Message-ID: 20050211045825.GA9313@wolff.to
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-novice

On Fri, Feb 11, 2005 at 01:48:06 +0000,
Sal Dkj <saldkj(at)hotmail(dot)com> wrote:
> Hello, I'm trying to calculate the difference between two timestamps and
> have the return value in minutes.
>
> So, for instance:
> Time 1 = 1/1/2005 12:00
> Time 2 = 1/2/2005 12:00
>
> If you subtract Time 1 from Time 2, it returns an interval value of '1
> day'. Extracting hours or minutes from this obviously gives 0. What's the
> trick here?

EXTRACT the EPOCH from the difference of the timestamps. This will give
you the elapsed times in seconds (as a float8 I think).

In response to

Responses

Browse pgsql-novice by date

  From Date Subject
Next Message Michael Fuhr 2005-02-11 07:13:26 Re: function returning a row
Previous Message Mike G. 2005-02-11 04:39:21 Re: PL/pgSQL: FOT Loops vs Cursors