docs: def update_version_records(self):
          """
          Update rash_info table if necessary.
          """
          from .__init__ import __version__ as version
          with self.connection(commit=True) as connection:
              for vrec in self.get_version_records():
                  if (vrec.rash_version == version and
                      vrec.schema_version == schema_version):
                      return  # no need to insert the new one!
              connection.execute(
                  'INSERT INTO rash_info (rash_version, schema_version) '
                  'VALUES (?, ?)',
                  [version, schema_version])