Function Append

cpp/src/arrow/array/builder_binary.h:493–512

  template <bool Safe>
  std::conditional_t<Safe, Result<c_type>, c_type> Append(const uint8_t* value,
                                                          int64_t length) {
    if (length <= BinaryViewType::kInlineSize) {
      return util::ToInlineBinaryView(value, static_cast<int32_t>(length));
    }

    if constexpr (Safe) {
      ARROW_RETURN_NOT_OK(Reserve(length));
    }

    auto v = util::ToNonInlineBinaryView(value, static_cast<int32_t>(length),
                                         static_cast<int32_t>(blocks_.size() - 1),
                                         current_offset_);

    memcpy(current_out_buffer_, value, static_cast<size_t>(length));
    current_out_buffer_ += length;
    current_remaining_bytes_ -= length;
    current_offset_ += static_cast<int32_t>(length);
    return v;
  }

  static constexpr int64_t ValueSizeLimit() {
    return std::numeric_limits<int32_t>::max();