in source/update_ddb_from_stream/update_ddb_from_stream.py [0:0]
def merge_record_values(metric_key, grouped_rows):
if 'DeviceTempAnomalyScore' in metric_key:
return max(float(key[5]) for key in grouped_rows)
else:
metric_key_split = metric_key.split('|')
metric_key_value = metric_key_split[1]
return type_operator_map[metric_key_value]([float(key[5]) for key in grouped_rows])