Re: Select data for current week only

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От Gerhard Heift
Тема Re: Select data for current week only
Дата
Msg-id 20090827185250.GA5868@gheift.kawo1.rwth-aachen.de
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Ответ на Select data for current week only  (BlackMage <dsd7872@uncw.edu>)
Список pgsql-general
On Thu, Aug 27, 2009 at 11:09:36AM -0700, BlackMage wrote:
>
> Hey all,
>
> I've been trying to figure this problem out with just using sql but I'm not
> sure how too. I have a table that holds events for each week but I only want
> to select events happening for the current week(Mon-Sun). So can anyone help
> me out with this just using sql? I've accomplished it sorta using php but
> only within the current 7 day range(example Thursday-Thursday) but not by
> the week.
>
> The field I am using for sorting is a Date type with the format yyyy-mm-dd
> hh:mm:ss .

If you use a timestamp and an index on it, the best thing would be
something like this:

SELECT * FROM event where date_trunc('week', now()) <= event_date AND
event_date < date_trunc('week', now()) + '1 week'::interval

Regards,
  Gerhard

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