Function GetTimestampConversion

cpp/src/arrow/util/time.cc:42–45

};

std::pair<DivideOrMultiply, int64_t> GetTimestampConversion(TimeUnit::type in_unit,
                                                            TimeUnit::type out_unit) {
  return kTimestampConversionTable[static_cast<int>(in_unit)][static_cast<int>(out_unit)];
}

Result<int64_t> ConvertTimestampValue(const std::shared_ptr<DataType>& in,
                                      const std::shared_ptr<DataType>& out,