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From Arun Thampi <arun.tha...@gmail.com>
Subject Re: Hitting the reduce_limit
Date Wed, 19 Aug 2009 07:25:50 GMT
Thanks Paul! Will take a look.
Cheers,
Arun

On Wed, Aug 19, 2009 at 3:15 PM, Paul Carey <paul.p.carey@gmail.com> wrote:

> Hi Arun
>
> Your question is fairly similar to the one in the latter half of this
> thread
> http://n2.nabble.com/reduce_limit-error-td2789734.html#a2789734
> It may be worth looking at for your answer.
>
> Paul
>
> On Tue, Aug 18, 2009 at 4:57 PM, Arun Thampi<arun.thampi@gmail.com> wrote:
> > Hi guys - I have the following reduce function which returns a result
> object
> > where each value is an object (instead of an array). Basically I'm trying
> to
> > get the text value of a thread and the number of associated replies.
> However
> > when the length of the string which is stored in the text property is
> large,
> > I hit the reduce_limit. The same thing happens when I try to add more
> > properties to the result object. The view is queried like so:
> >
> http://localhost:5984/icanhazthread/_design/icanhazthread/_view/threads_with_num_replies?group_level=1
> >  I
> > guess my question boils down to whether this is a 'good' reduce function?
> I
> > remember Jan mentioning in another thread that we should not be
> converting
> > tall lists to wide lists, but since the result of this reduce function
> > contains objects instead of arrays of objects, I'm not sure whether its
> the
> > same as converting from tall -> wide lists. Please correct me if I've
> missed
> > something. (For now i've disabled reduce_limit and it seems to be working
> > fine).
> >
> > As always, thanks for the help!
> >
> > Cheers,
> > Arun
> >
> > Reduce Function:
> >
> > function(keys, values, rereduce) {
> >  var result = { num_replies: 0, text: "" };
> >
> >  if(rereduce) {
> >    for(idx = 0; idx < values.length; idx++) {
> >      result.num_replies += values[idx].num_replies;
> >      result.text = values[idx].text;
> >    }
> >  } else {
> >
> >    for(idx = 0; idx < values.length; idx++) {
> >      if(values[idx].type == 'thread') {
> >        result.text = values[idx].text;
> >      } else if(values[idx].type == 'reply') {
> >        result.num_replies += 1;
> >      }
> >    }
> >  }
> >
> >  return result;
> > }
> >
> > --
> > It's better to be a pirate than join the Navy - Steve Jobs
> > http://mclov.in
> >
>



-- 
It's better to be a pirate than join the Navy - Steve Jobs
http://mclov.in

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