@flow.StateHandler()
  def StoreMBR(self, responses):

    if not responses.success:
      msg = "Could not retrieve MBR: %s" % responses.status
      self.Log(msg)
      raise flow.FlowError(msg)

    response = responses.First()

    mbr = aff4.FACTORY.Create(self.client_id.Add("mbr"), "VFSFile",
                              mode="w", token=self.token)
    mbr.write(response.data)
    mbr.Close()
    self.Log("Successfully stored the MBR (%d bytes)." % len(response.data))
    self.SendReply(rdfvalue.RDFBytes(response.data))
Adds extra SQL fragments to the query.
dataset/ETHPy150Open google/grr/grr/lib/flows/general/transfer.py/GetMBR.StoreMBR--crossover with--dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-1.5/django/db/models/query.py/QuerySet.extra