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From Simon Metson <simonmet...@googlemail.com>
Subject Re: Design question, article with logs of comments and ratings
Date Thu, 03 Mar 2011 03:06:11 GMT
Also the "Joins Redux" on http://blog.couchone.com/post/446015664/whats-new-in-apache-couchdb-0-11-part-two-views
is handy, probably does what you want for comments...

Sent with Sparrow 
On Saturday, 26 February 2011 at 04:32, Aravinda VK wrote:
This might help.
> http://www.cmlenz.net/archives/2007/10/couchdb-joins
> 
> On Sat, Feb 26, 2011 at 7:46 AM, He Shiming <heshiming@gmail.com> wrote:
> 
> > On Fri, Feb 25, 2011 at 9:25 PM, Simon Metson
> > <simonmetson@googlemail.com> wrote:
> > > And query it for a specific article with
> > http://localhost:5984/voting/_design/vote/_view/vote?group=true&key=%22foo%22
> > > 
> > > Mike Miller did a nice summary of how you could do time binned data for
> > your historical info (using the timestamp field in the vote doc) on
> > http://nosqltapes.com/video/understanding-mapreduce-with-mike-miller
> > > 
> > > HTH
> > > Cheers
> > > Simon
> > 
> > So each comment and rating is a single document. And grouping should
> > be used to reduce. Thank you very much Simon. I got the idea now.
> > 
> > --
> > Best regards,
> > He Shiming
> 
> 
> 
> -- 
> Regards
> Aravinda | ಅರವಿಂದ
> http://aravindavk.in
> 

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