code: def _update_meta(conn_string):
      
      url = urlparse(conn_string)
      Meta.conn_string = conn_string
      Meta.DBNAME = url.path[1:]
      Meta.DBUSER = url.username
      Meta.DBPWD = url.password
      Meta.DBHOST = url.hostname
      Meta.DBPORT = url.port
      Meta.postgres = url.scheme.startswith("postgresql")
docs: Update Meta class.