Function UnsafeAppend

cpp/src/arrow/array/builder_binary.h:630–634

\brief Append without checking capacity Builder should have been presized using Reserve() and ReserveData(), respectively, and the value must not be larger than 2GB

  /// Builder should have been presized using Reserve() and ReserveData(),
  /// respectively, and the value must not be larger than 2GB
  void UnsafeAppend(const uint8_t* value, int64_t length) {
    UnsafeAppendToBitmap(true);
    auto v = data_heap_builder_.Append</*Safe=*/false>(value, length);
    data_builder_.UnsafeAppend(v);
  }

  void UnsafeAppend(const char* value, int64_t length) {
    UnsafeAppend(reinterpret_cast<const uint8_t*>(value), length);