wohali commented on issue #1710: Change Feed for Views?
URL: https://github.com/apache/couchdb/issues/1710#issuecomment-435451191
 
 
   Unfortunately, this is not going to happen. For a detailed technical 
explanation as to why, see #592 and #831, and [this mailing list 
thread](https://lists.apache.org/thread.html/516793df0c1913c045441d0ff78339f307e2aff517d9223da44edd9e@%3Cdev.couchdb.apache.org%3E).
   
   The good news is that you CAN achieve what you're trying to do without 
polling the database. The current recommendation for this functionality is to 
use a [Mango selector as a filter on the `_changes` 
feed](http://docs.couchdb.org/en/stable/api/database/changes.html?highlight=selector#selector),
 which will run significantly faster than the equivalent JavaScript `_changes` 
feed filter.

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