Method length

cpp/src/arrow/datum.cc:101–116

}

int64_t Datum::length() const {
  switch (this->kind()) {
    case Datum::ARRAY:
      return std::get<std::shared_ptr<ArrayData>>(this->value)->length;
    case Datum::CHUNKED_ARRAY:
      return std::get<std::shared_ptr<ChunkedArray>>(this->value)->length();
    case Datum::RECORD_BATCH:
      return std::get<std::shared_ptr<RecordBatch>>(this->value)->num_rows();
    case Datum::TABLE:
      return std::get<std::shared_ptr<Table>>(this->value)->num_rows();
    case Datum::SCALAR:
      return 1;
    default:
      return kUnknownLength;
  }
}

int64_t Datum::TotalBufferSize() const {
  switch (this->kind()) {