That's the general idea. At least for the current release we prioritized a more common case ilke what rxin describes. That said, if you have a "big join" use c

That's the general idea. At least for the current release we prioritized a more common case ilke what rxin describes. That said, if you have a "big join" use case, please sign up for the wait list (http://goo.gl/7zpSn http://goo.gl/7zpSn) and specifically list your use case. We'd like to talk to you about that. :)