docs: function proxy(req, res) {
    var method = req.db[req.cmd]
      , args;
  
    // append the request object to the args
    // required so that database events can pass
    // request and thereby connection information
    // when emitting events by key, this allows
    // transactional semantics
    args = req.args.slice(0).concat(req);
    return method.apply(req.db, args);
  }