Method GetDefLevels

cpp/src/parquet/arrow/reader.cc:758–771

};

Status StructReader::GetDefLevels(const int16_t** data, int64_t* length) {
  *data = nullptr;
  if (children_.size() == 0) {
    *length = 0;
    return Status::Invalid("StructReader had no children");
  }

  // This method should only be called when this struct or one of its parents
  // are optional/repeated or it has a repeated child.
  // Meaning all children must have rep/def levels associated
  // with them.
  RETURN_NOT_OK(def_rep_level_child_->GetDefLevels(data, length));
  return Status::OK();
}

Status StructReader::GetRepLevels(const int16_t** data, int64_t* length) {
  *data = nullptr;