Method InitializeDecoder

cpp/src/parquet/encoding_benchmark.cc:1450–1460

  }

  std::unique_ptr<ByteArrayDecoder> InitializeDecoder() override {
    auto decoder = MakeTypedDecoder<ByteArrayType>(Encoding::PLAIN, descr_.get());
    decoder->SetData(num_dict_entries_, dict_buffer_->data(),
                     static_cast<int>(dict_buffer_->size()));
    auto dict_decoder = MakeDictDecoder<ByteArrayType>(descr_.get());
    dict_decoder->SetDict(decoder.get());
    dict_decoder->SetData(num_values_, buffer_->data(),
                          static_cast<int>(buffer_->size()));
    return std::unique_ptr<ByteArrayDecoder>(
        dynamic_cast<ByteArrayDecoder*>(dict_decoder.release()));
  }

  void TearDown(const ::benchmark::State& state) override {
    BenchmarkDecodeArrowByteArray::TearDown(state);