Method VisitBitmap

cpp/src/arrow/util/byte_size.cc:125–133

  UInt64Builder* range_lengths;

  Status VisitBitmap(const std::shared_ptr<Buffer>& buffer) const {
    if (buffer) {
      uint64_t data_start = reinterpret_cast<uint64_t>(buffer->data());
      RETURN_NOT_OK(range_starts->Append(data_start));
      RETURN_NOT_OK(range_offsets->Append(bit_util::RoundDown(offset, 8) / 8));
      RETURN_NOT_OK(range_lengths->Append(bit_util::CoveringBytes(offset, length)));
    }
    return Status::OK();
  }

  Status VisitFixedWidthArray(const Buffer& buffer, const FixedWidthType& type) const {
    uint64_t data_start = reinterpret_cast<uint64_t>(buffer.data());