Method Encode

cpp/src/parquet/statistics.cc:767–784

  }

  EncodedStatistics Encode() override {
    EncodedStatistics s;
    if (HasMinMax()) {
      s.set_min(this->EncodeMin());
      s.set_max(this->EncodeMax());
      s.is_min_value_exact = this->is_min_value_exact();
      s.is_max_value_exact = this->is_max_value_exact();
    }
    if (HasNullCount()) {
      s.set_null_count(this->null_count());
      // num_values_ is reliable and it means number of non-null values.
      s.all_null_value = num_values_ == 0;
    }
    if (HasDistinctCount()) {
      s.set_distinct_count(this->distinct_count());
    }
    return s;
  }

  int64_t null_count() const override { return statistics_.null_count; }
  int64_t distinct_count() const override { return statistics_.distinct_count; }