Function GetParentDirName

be/src/exec/acid-metadata-utils.cc:36–43

const string DELETE_DELTA_PREFIX = "delete_delta_";

string GetParentDirName(const string& filepath) {
  int slash_before_file = filepath.rfind('/');
  if (slash_before_file == string::npos) return "";
  int slash_before_dirname = filepath.rfind('/', slash_before_file - 1);
  if (slash_before_dirname == string::npos) return "";
  return filepath.substr(
      slash_before_dirname + 1, slash_before_file - slash_before_dirname - 1);
}

inline string GetFileName(const string& filepath) {
  std::size_t slash_before_file = filepath.rfind('/');