Function PyDate_convert_int

python/pyarrow/src/arrow/python/datetime.cc:263–274

}

static inline Status PyDate_convert_int(int64_t val, const DateUnit unit, int64_t* year,
                                        int64_t* month, int64_t* day) {
  switch (unit) {
    case DateUnit::MILLI:
      val /= 86400000LL;  // fall through
    case DateUnit::DAY:
      get_date_from_days(val, year, month, day);
    default:
      break;
  }
  return Status::OK();
}

PyObject* NewMonthDayNanoTupleType() {
  if (MonthDayNanoTupleType.tp_name == nullptr) {