Method Create

cpp/src/arrow/array/util.cc:466–477

  }

  Result<std::shared_ptr<ArrayData>> Create() {
    if (buffer_ == nullptr) {
      RETURN_NOT_OK(CreateBuffer());
    }
    std::vector<std::shared_ptr<ArrayData>> child_data(type_->num_fields());
    auto buffer_slice =
        buffer_ ? SliceBuffer(buffer_, 0, bit_util::BytesForBits(length_)) : NULLPTR;
    out_ = ArrayData::Make(type_, length_, {std::move(buffer_slice)}, child_data, length_,
                           0);
    RETURN_NOT_OK(VisitTypeInline(*type_, this));
    return out_;
  }

  Status Visit(const NullType&) {
    out_->buffers.resize(1, nullptr);