Column(safe_name + '_id', Integer, ForeignKey(object_table.id),
primary_key=True, nullable=False),
Column('language_id', Integer, ForeignKey(Language.id),
Column(safe_name + '_id', Integer, ForeignKey(object_table.id),
primary_key=True, nullable=False),
Column('language_id', Integer, ForeignKey(Language.id),