Re: Date Math

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От Rich Shepard
Тема Re: Date Math
Дата
Msg-id Pine.LNX.4.64.0705071517070.20021@salmo.appl-ecosys.com
обсуждение исходный текст
Ответ на Re: Date Math  (Tom Lane <tgl@sss.pgh.pa.us>)
Ответы Re: Date Math  (Adrian Klaver <aklaver@comcast.net>)
Список pgsql-general
On Mon, 7 May 2007, Tom Lane wrote:

> It might be that converting those columns to interval is the best answer,
> depending on what other processing needs to be done with them. But if Rich
> wants to leave them as numbers, the above is the best way to convert them
> to intervals on-the-fly.

   Columns 'term' and 'process_time' converted to intervals. Just to confirm
my understanding of today's lesson:

     SELECT permit_nbr, title, date_issued, term, process_time from Permits
            WHERE date_issued + term) < (CURRENT_DATE + process_time + '2 week'::INTERVAL);

is now correct syntax and use?

Thanks all,

Rich

--
Richard B. Shepard, Ph.D.               |    The Environmental Permitting
Applied Ecosystem Services, Inc.        |          Accelerator(TM)
<http://www.appl-ecosys.com>     Voice: 503-667-4517      Fax: 503-667-8863

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