This document explains it: http://docs.couchdb.org/en/2.0.0/couchapp/views/joins.html It's the equivalent of joins where the namespaces match if we were using a relational store... which one day we should consider instead.
-r On Wed, Feb 14, 2018 at 10:04 AM, Chetan Mehrotra <chetan.mehro...@gmail.com > wrote: > Thanks Rodric for the info. Can you share any CouchDB doc which > provide more details on such a usage? Also where in OpenWhisk code > this view document is used? In all cases seen so far query is done > with includeDocs=true > Chetan Mehrotra > > > On Wed, Feb 14, 2018 at 8:26 PM, Rodric Rabbah <rod...@gmail.com> wrote: > > The use of _id allows another document to be inlined. Here, the > concurrency limits are added as an attachment in a separate document and > the view allows coalescing. > > > > -r >
