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From "Marek Kowalski (JIRA)" <>
Subject [jira] [Created] (COUCHDB-1887) Include rows with deleted=true in the changes feed with filter=_view
Date Fri, 13 Sep 2013 13:13:51 GMT
Marek Kowalski created COUCHDB-1887:

             Summary: Include rows with deleted=true in the changes feed with filter=_view
                 Key: COUCHDB-1887
             Project: CouchDB
          Issue Type: Improvement
          Components: Database Core
            Reporter: Marek Kowalski

I think it would be useful to add the notifications about the document deletions to the changes
feed with filter=_view. Currently it calls the map() function for each the new revisions and
emits the change notification only if the map() function emits non-zero rows.

In case of the deleted documents, there is no data inside the document, so typically there
is no row emitted by map(). This way the change which potentially changes the view index goes
My suggestion is to change handling of the deleted documents, so that the previous revision
is evaluated instead of the current one. If the previous revision emitted a row and the current
revision is a deletion the change notification with deleted=true should be emitted.

Since it seems easy to develop I'd like to volunteer to do it, of course if its not voted

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