Re: Date Math

From: Rich Shepard <rshepard(at)appl-ecosys(dot)com>
To: pgsql-general(at)postgresql(dot)org
Subject: Re: Date Math
Date: 2007-05-07 17:30:30
Message-ID: Pine.LNX.4.64.0705071023400.20021@salmo.appl-ecosys.com
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On Mon, 7 May 2007, aklaver(at)comcast(dot)net wrote:

> test=> select '01/01/04'::date +interval '3 year',current_date + interval
> '2 month';
> ?column? | ?column?
> ---------------------+---------------------
> 2007-01-01 00:00:00 | 2007-07-07 00:00:00
> (1 row)

Adrian,

I think so, but without explicit strings. The dates and intervals are in
the table, and I want the rows that meet the specified conditions.

Is the following closer to correct?

SELECT ... FROM Permits
WHERE (date_issued::DATE + INTERVAL term)
< (CURRENT_DATE + INTERVAL process_time + INTERVAL '2 week')

Thanks,

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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