Method ReadValues

cpp/src/parquet/column_reader.cc:657–660

Read up to batch_size values from the current data page into the pre-allocated memory T @returns: the number of values read into the out buffer

  //
  // @returns: the number of values read into the out buffer
  int64_t ReadValues(int64_t batch_size, T* out) {
    int64_t num_decoded = current_decoder_->Decode(out, static_cast<int>(batch_size));
    return num_decoded;
  }

  // Read up to batch_size values from the current data page into the
  // pre-allocated memory T*, leaving spaces for null entries according