std::string VersionEdit::DebugString()

in db/version_edit.cc [205:255]

• 51 lines of code
• 9 McCabe index (conditional complexity)

std::string VersionEdit::DebugString() const {
  std::string r;
  r.append("VersionEdit {");
  if (has_comparator_) {
    r.append("\n  Comparator: ");
    r.append(comparator_);
  }
  if (has_log_number_) {
    r.append("\n  LogNumber: ");
    AppendNumberTo(&r, log_number_);
  }
  if (has_prev_log_number_) {
    r.append("\n  PrevLogNumber: ");
    AppendNumberTo(&r, prev_log_number_);
  }
  if (has_next_file_number_) {
    r.append("\n  NextFile: ");
    AppendNumberTo(&r, next_file_number_);
  }
  if (has_last_sequence_) {
    r.append("\n  LastSeq: ");
    AppendNumberTo(&r, last_sequence_);
  }
  for (size_t i = 0; i < compact_pointers_.size(); i++) {
    r.append("\n  CompactPointer: ");
    AppendNumberTo(&r, compact_pointers_[i].first);
    r.append(" ");
    r.append(compact_pointers_[i].second.DebugString());
  }
  for (const auto& deleted_files_kvp : deleted_files_) {
    r.append("\n  RemoveFile: ");
    AppendNumberTo(&r, deleted_files_kvp.first);
    r.append(" ");
    AppendNumberTo(&r, deleted_files_kvp.second);
  }
  for (size_t i = 0; i < new_files_.size(); i++) {
    const FileMetaData& f = new_files_[i].second;
    r.append("\n  AddFile: ");
    AppendNumberTo(&r, new_files_[i].first);
    r.append(" ");
    AppendNumberTo(&r, f.number);
    r.append(" ");
    AppendNumberTo(&r, f.file_size);
    r.append(" ");
    r.append(f.smallest.DebugString());
    r.append(" .. ");
    r.append(f.largest.DebugString());
  }
  r.append("\n}\n");
  return r;
}