presto-main/src/main/java/io/prestosql/type/IntervalDayTimeType.java/IntervalDayTimeType/getObjectValue
class IntervalDayTimeType:    @Override
    public Object getObjectValue(ConnectorSession session, Block block, int position)
    {
        if (block.isNull(position)) {
            return null;
        }
        return new SqlIntervalDayTime(block.getLong(position, 0));
    }