
class ScheduledPayment(base): id = Column(Integer, primary_key=True) invoice_id = Column(Integer) is_canceled = Column(Boolean, default=False) __table_args__ = ( Index('only_one_active_invoice', invoice_id, is_canceled, unique=True, postgresql_where=(~is_canceled)), )欢迎分享,转载请注明来源:内存溢出
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