@classmethod
def _base_query_drop(cls, type: str, if_exists: bool=True, cascade: bool=False
    ) ->str:
    """Generates a DROP stub."""
    builder = ['DROP']
    builder.append(type)
    if if_exists:
        builder.append('IF EXISTS')
    builder.append(cls._name)
    if cascade:
        builder.append('CASCADE')
    return ' '.join(builder)
