Re: Can this query be optimized?

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От Tom Lane
Тема Re: Can this query be optimized?
Дата
Msg-id 16760.1005229805@sss.pgh.pa.us
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Ответ на Can this query be optimized?  (Claus Heiko Niesen <cniesen@gmx.net>)
Ответы Re: Can this query be optimized?
Re: Can this query be optimized?
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Claus Heiko Niesen <cniesen@gmx.net> writes:
> I'm stuck optimizing the following query:
> select distinct extract(year from date) as year, extract(month from date) 
> as month, date from week_pics order by date desc;

Perhaps it would work to forget the "distinct" and instead GROUP BY
date.
        regards, tom lane


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