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From Jim Puls <>
Subject Re: Why is CouchDB frequently re-indexing my views from scratch?
Date Thu, 18 Jun 2009 22:08:19 GMT
I couldn't figure out how to file a bug (seriously!) but here's how  
I'm testing it. I have a short Ruby file "test_reindexing.rb":

require 'rubygems'
require 'couchrest'

class SomeModel < CouchRest::ExtendedDocument

   use_database CouchRest.database!('http://localhost:5984/testing')

   def self.load
     20000.times do |i|
       some_model = new
       some_model.type = 'foo'

   property :type

   view_by :bar, :map => %q{
       function (event) {
         if (event.type === 'quux' && {
           emit(, null);

where I can first populate the database:
ruby -r test_reindexing -e SomeModel.load

and then I can have it query a view and see the indexing every time:
ruby -r test_reindexing -e SomeModel.by_bar

To verify that there are no changes other than the revision number and  
ordering of the views, I take the the MD5 hash of the sorted list of  
characters in the view record:

ruby -r test_reindexing -e SomeModel.by_bar && curl http://localhost:5984/testing/_design/SomeModel

  2>/dev/null | ruby -ne '$_.sub! /"_rev":"[^"]+",/, "";puts  
$_.split(//).sort.join("")' | openssl md5

-> jp

On Jun 18, 2009, at 2:20 PM, Damien Katz wrote:

> Hmm, that's a bug in CouchDB IMO. Can you write a bug with a failing  
> test for that?
> -Damien
> On Jun 18, 2009, at 5:07 PM, Jim Puls wrote:
>> On Jun 18, 2009, at 1:10 PM, Damien Katz wrote:
>>> Also, do the order of the views change?
>> Indeed, I see when I do a raw HTTP GET of the design document that  
>> CouchRest is changing the order of the views. Futon, of course -  
>> actually my browser parsing the JSON data - was nice enough to  
>> alphabetize them for me, completely obscuring the problem.
>> -> jp

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