code: def get(self, index, id, fields=None, doc_type=EsConst.ALL_VALUES, **query_params):
          
          if fields:
              query_params[EsConst.FIELDS] = fields
  
          path = self._es_parser.make_path(index, doc_type, id)
          result = yield self._perform_request(HttpMethod.GET, path, params=query_params)
          returnValue(result)
docs: Retrieve specific record by id
          `<http://www.elastic.co/guide/en/elasticsearch/reference/current/docs-get.html>`_
          :param index: the index name to query
          :param id: the id of the record
          :param fields: the fields you what to fetch from the record (str separated by comma's)
          :param doc_type: the doc type to search in
          :param query_params: params
          :return: