docs: def _CheckDatabaseEncoding(cursor):
    """Enforces a sane UTF-8 encoding for the database."""
    cur_character_set = _ReadVariable("character_set_database", cursor)
    if cur_character_set != CHARACTER_SET:
      raise EncodingEnforcementError(
          "Require MySQL character_set_database of {}, got {}."
          " To create your database, use: {}".format(CHARACTER_SET,
                                                     cur_character_set,
                                                     CREATE_DATABASE_QUERY))