presto-main/src/main/java/io/prestosql/type/IntervalDayTimeOperators.java/IntervalDayTimeOperators/add
class IntervalDayTimeOperators:    @ScalarOperator(ADD)
    @SqlType(StandardTypes.INTERVAL_DAY_TO_SECOND)
    public static long add(@SqlType(StandardTypes.INTERVAL_DAY_TO_SECOND) long left, @SqlType(StandardTypes.INTERVAL_DAY_TO_SECOND) long right)
    {
        return left + right;
    }