From: Date: October 4 2007 12:15pm
Subject: Re: LIMIT within GROUP BY
List-Archive: http://lists.mysql.com/mysql/209385
Message-Id: <4704BD26.6010906@xaprb.com>
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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