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From Chris Anderson <>
Subject Re: Multi-Step Map/Reduce?
Date Tue, 31 Mar 2009 03:40:49 GMT
On Mon, Mar 30, 2009 at 6:48 PM, Zachary Zolton
<> 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 Anderson

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