Method Sum

cpp/src/arrow/acero/aggregate_benchmark.cc:227–244

  using ArrayType = typename CTypeTraits<T>::ArrayType;

  static void Sum(const ArrayType& array, SumState<T>* state) {
    SumState<T> local;

    const auto values = array.raw_values();
    const auto bitmap = array.null_bitmap_data();
    const auto length = array.length();
    BitmapReader bit_reader(bitmap, 0, length);
    for (int64_t i = 0; i < length; ++i) {
      if (bit_reader.IsSet()) {
        local.total += values[i];
        ++local.valid_count;
      }

      bit_reader.Next();
    }

    *state = local;
  }
};

template <typename T>