Method AppendNulls

cpp/src/arrow/array/builder_binary.h:107–115

  }

  Status AppendNulls(int64_t length) final {
    const int64_t num_bytes = value_data_builder_.length();
    ARROW_RETURN_NOT_OK(Reserve(length));
    for (int64_t i = 0; i < length; ++i) {
      offsets_builder_.UnsafeAppend(static_cast<offset_type>(num_bytes));
    }
    UnsafeAppendToBitmap(length, false);
    return Status::OK();
  }

  Status AppendNull() final {
    ARROW_RETURN_NOT_OK(Reserve(1));