text: from gtfspy.import_loaders.table_loader import TableLoader
  
  
  class MetadataLoader(TableLoader):
      """Table to be used for any type of metadata"""
      fname = None
      table = 'metadata'
      tabledef = '(key TEXT UNIQUE NOT NULL, value BLOB, value2 BLOB)'
  
      @classmethod
      def index(cls, cur):
          cur.execute('CREATE INDEX IF NOT EXISTS idx_metadata_name '
                      'ON metadata (key)')
  
      @classmethod
      def copy(cls, conn, **where):
          pass