@staticmethod
  def fetch_request_info(appid):
    query = InstanceInfo.query(InstanceInfo.appid == appid)
    instances = query.fetch()
    return [{
      'host' : instance.host,
      'port' : instance.port,
      'language' : instance.language
    } for instance in instances]
Ensure that the named user is present with the specified privileges
dataset/ETHPy150Open AppScale/appscale/AppDashboard/dashboard.py/InstanceStats.fetch_request_info--crossover with--dataset/ETHPy150Open saltstack/salt/salt/states/postgres_user.py/present