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Re: LIMIT within GROUP BY

From: Baron Schwartz (baronxaprb.com)
Date: Thu Oct 04 2007 - 05:15:02 CDT

Hi,

Miroslav Monkevic wrote:
> Hello,
>
> MySQL 4.1
>
> I have query:
> SELECT SUM(points) as ranking FROM results GROUP BY person_id ORDER BY
> ranking DESC
>
> My goal is to sum 7 greatest results for each person.
>
> In more general, my question is: is there a way to limit number of
> records within groups in "group by" query.

Try this:
http://www.xaprb.com/blog/2006/12/07/how-to-select-the-firstleastmax-row-per-group-in-sql/

Cheers
Baron

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