From: Martijn Tonies
Date: April 28 2008 1:22pm
Subject: Re: get all my newest messages
List-Archive: http://lists.mysql.com/mysql/212556
Message-Id: <01a601c8a932$d7668be0$9902a8c0@martijnws>
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> On 28/04/2008, Martijn Tonies <m.tonies@stripped> wrote:
> 
> >  > 1. the newest message between myself and person A
> >  > 2. the newest message between myself and person B
> >  > 3. the newest message between myself and person C
> >  > 4. the newest message between myself and person D
> 
> > Still, define "newest":
> >
> >  - newest according to date?
> >  - newest not yet read message?
> >  - something else?
> 
> newest according to date of creation.

There are probably other solutions, but this seems to work:

select * 
from ( select * from msgs order by msgs.created desc ) t
where sender = 1 or recipient = 1
group by sender, recipient

Martijn Tonies
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