Function Decode

cpp/src/parquet/page_index.cc:42–55

template <typename DType>
void Decode(std::unique_ptr<typename EncodingTraits<DType>::Decoder>& decoder,
            const std::string& input, std::vector<typename DType::c_type>* output,
            size_t output_index) {
  if (ARROW_PREDICT_FALSE(output_index >= output->size())) {
    throw ParquetException("Index out of bound");
  }

  decoder->SetData(/*num_values=*/1, reinterpret_cast<const uint8_t*>(input.c_str()),
                   static_cast<int>(input.size()));
  const auto num_values = decoder->Decode(&output->at(output_index), /*max_values=*/1);
  if (ARROW_PREDICT_FALSE(num_values != 1)) {
    throw ParquetException("Could not decode statistics value");
  }
}

template <>
void Decode<BooleanType>(std::unique_ptr<BooleanDecoder>& decoder,