如何清空django中的多对多字段

Question

我想清空以下多对多字段中的所有内容(weekday_with_class):

 all_existing_class.weekday_with_class = None

这是models.py:

   weekday_with_class = models.ManyToManyField('Weekday', blank=True, related_name='weekday_with_class')

但是，如果我执行上面的代码，我会得到这个错误：

Direct assignment to the forward side of a many-to-many set is prohibited. Use weekday_with_class.set() instead.

如何让我的 weekday_with_class 基本上为空？谢谢，如果您需要更多信息，请发表评论。

Answer 1

all_existing_class.weekday_with_class.clear()

How to empty a many to many field in django