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