Method ComputeFingerprint

cpp/src/arrow/type.cc:2810–2826

}

std::string Field::ComputeFingerprint() const {
  const auto& type_fingerprint = type_->fingerprint();
  if (type_fingerprint.empty()) {
    // Underlying DataType doesn't support fingerprinting.
    return "";
  }
  std::stringstream ss;
  ss << 'F';
  if (nullable_) {
    ss << 'n';
  } else {
    ss << 'N';
  }
  ss << name_;
  ss << '{' << type_fingerprint << '}';
  return ss.str();
}

std::string Field::ComputeMetadataFingerprint() const {
  std::stringstream ss;