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From Jan Lehnardt <...@apache.org>
Subject Re: changes from view
Date Tue, 23 Nov 2010 14:20:38 GMT

On 23 Nov 2010, at 14:24, Ido Ran wrote:

> Hi,
> This is actually good question. In my use case I have CouchDB with documents
> of different "types". For simplicity and future ability for change I've
> create two views, one for each type of document: TasksView and ProjectsView
> (it is a POC application).
> 
> If I'll use _changes notification I'll have to check if the changed document
> is of type "Task" and refetch the TasksView but then I've hold in my
> application knowledge about the TasksView.
> 
> Is that good? Is there a better way?

You could use a _changes filter:

  http://guide.couchdb.org/editions/1/en/notifications.html#filters

Cheers
Jan
-- 

> 
> Ido
> 
> On Fri, Nov 19, 2010 at 1:20 PM, Sebastian Cohnen <
> sebastiancohnen@googlemail.com> wrote:
> 
>> Hi Jeffrey,
>> 
>> there is no mechanism to get changes to a view. Since view updates are
>> triggered on read it wouldn't make much sense anyways. Also it is not
>> possible to replicate view results to another database (although this might
>> be an interesting feature in future releases).
>> 
>> Are you asking out of curiosity or do you have an actual use case?
>> 
>> Best
>> 
>> Sebastian
>> 
>> On 19.11.2010, at 04:24, Jeffrey M. Barber wrote:
>> 
>>> is there a way to get change notifications on a view? or, is there a way
>> to
>>> replicate from a view into another database?
>> 
>> 


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