Method DecodeRaw

cpp/src/parquet/decoder.cc:2308–2318

 protected:
  int DecodeRaw(uint8_t* out_buffer, int max_values) {
    const int values_to_decode = std::min(this->num_values_, max_values);
    if (ARROW_PREDICT_TRUE(values_to_decode > 0)) {
      ::arrow::util::internal::ByteStreamSplitDecode(
          this->data_, this->type_length_, values_to_decode, stride_, out_buffer);
      this->data_ += values_to_decode;
      this->num_values_ -= values_to_decode;
      this->len_ -= this->type_length_ * values_to_decode;
    }
    return values_to_decode;
  }

  uint8_t* EnsureDecodeBuffer(int64_t min_values) {
    const int64_t size = this->type_length_ * min_values;