django 中 GenericForeignKey 关联的对象删除时怎么样级联删除 - V2EX

django 中 GenericForeignKey 关联的对象删除时怎么样级联删除 - V2EX

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Django REST Framework

这是一个创建于 2627 天前的主题，其中的信息可能已经有所发展或是发生改变。

比如我把一篇博客删了,我有一个点赞数通过 GenericForeignKey('博客类', '博客 id') 关联到博客请问怎么把这个点赞数也删了

2 条回复 2018-10-09 14:28:53 +08:00

1

PythonAnswer

2018-10-09 03:00:22 +08:00

models.ForeignKey('self', on_delete=models.CASCADE)

2

WoodenRobot

2018-10-09 14:28:53 +08:00

在被关联的博客 model 中增加一个 GenericRelation 关联点赞 model，删除博客时就会级联删除相应的点赞数。

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