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From Rory Franklin <r...@chillibean.tv>
Subject Re: Reducing/Grouping an array
Date Wed, 20 Jun 2012 09:09:29 GMT
Thanks to both of you for the answer (sorry for my delayed reply!) - it works like a charm!
Is this something that has appeared in recent versions of Couch? We had a database running
on 1.0.1 that this didn't work on (upgrading to 1.2 fixed it though).



Rory


On Monday, 11 June 2012 at 18:58, Mark Hahn wrote:

> map-reduce works on all types of obects or even lists of types
> 
> On Mon, Jun 11, 2012 at 3:39 AM, Robert Newson <robert.newson@gmail.com (mailto:robert.newson@gmail.com)>wrote:
> 
> > Sure, the built-in _sum reduce function works for lists of numbers too.
> > 
> > B.
> > 
> > On 11 Jun 2012, at 11:29, Rory Franklin wrote:
> > 
> > > Hi,
> > > 
> > > Is it possible to have a view that emits out something like the
> > following:
> > > 
> > > ("key1", [1,1,0,1])
> > > ("key1", [1,1,1,0])
> > > ("key1", [1,0,0,0])
> > > ("key2", [0,1,0,0])
> > > 
> > > which can be grouped to the following:
> > > 
> > > "key1", [3,2,1,1]
> > > "key2", [0,1,0,0]
> > > 
> > > 
> > > Or would this calculation have to be made in the application layer?
> > > 
> > > 
> > > Thanks,
> > > Rory
> > > 
> > 
> > 
> 
> 
> 



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