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Date: Mon, 30 Mar 2009 20:40:49 -0700
Message-ID: <e282921e0903302040x7b83dd72i1e2968610e9f8ade@mail.gmail.com>
Subject: Re: Multi-Step Map/Reduce?
From: Chris Anderson <jchris@apache.org>
To: dev@couchdb.apache.org
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On Mon, Mar 30, 2009 at 6:48 PM, Zachary Zolton
<zachary.zolton@gmail.com> wrote:
> Devs,
>
> Has there been any discussion of using multiple rounds of map/reduce
> for CouchDB views?
>
> If were possible, and the view could be indexed within acceptable
> bounds of memory and processing time, I could see using it situations
> where the current one-pass solution proves difficult or requires
> multiple queries.

I think the simplest way to add value would be to make a way to bounce
a group_level reduce query to documents in another database. Then you
could use views to sort them by value etc.

>
> Also, I tend to be daft, so I'd appreciate hearing if this idea is
> silly or simply outside of the scope of CouchDB!
>


I think it sounds great.

Chris

-- 
Chris Anderson
http://jchrisa.net
http://couch.io