Method Ingest_some_nulls

r/src/array_to_vector.cpp:878–893

  }

  Status Ingest_some_nulls(SEXP data, const std::shared_ptr<arrow::Array>& array,
                           R_xlen_t start, R_xlen_t n, size_t chunk_index) const {
    int multiplier = TimeUnit_multiplier(array);

    auto p_data = REAL(data) + start;
    auto p_values = array->data()->GetValues<value_type>(1);
    auto ingest_one = [&](R_xlen_t i) {
      p_data[i] = static_cast<double>(p_values[i]) / multiplier;
      return Status::OK();
    };
    auto null_one = [&](R_xlen_t i) {
      p_data[i] = NA_REAL;
      return Status::OK();
    };
    return IngestSome(array, n, ingest_one, null_one);
  }

 private:
  int TimeUnit_multiplier(const std::shared_ptr<Array>& array) const {