code: def record(self, context, value, timestamp, attachments=None):
          
          if context is None:
              tags = dict()
          else:
              tags = context.map
          tag_values = self.get_tag_values(tags=tags,
                                           columns=self.view.columns)
          tuple_vals = tuple(tag_values)
          if tuple_vals not in self.tag_value_aggregation_data_map:
              self.tag_value_aggregation_data_map[tuple_vals] = copy.deepcopy(
                  self.view.aggregation.aggregation_data)
          self.tag_value_aggregation_data_map.get(tuple_vals).\
              add_sample(value, timestamp, attachments)
docs: records the view data against context