#29615: post_remove action is called even though there's no relation
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Reporter: | Owner: nobody
nirmalraghavan |
Type: | Status: new
Uncategorized |
Component: Database | Version: 2.0
layer (models, ORM) |
Severity: Normal | Keywords:
Triage Stage: | Has patch: 0
Unreviewed |
Needs documentation: 0 | Needs tests: 0
Patch needs improvement: 0 | Easy pickings: 0
UI/UX: 0 |
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Consider the following Model,
{{{
class MyModel(models.Model):
likes = models.ForeignKey(User)
}}}
Now if I add a user to the likes field as below,
myObj.likes.add(user)
my m2m_changed receiver method will be called in signals module with
action post_add. And if I try to add the same user again. nothing will
happen which is fine.
And when I try to remove the user as below,
myObj.likes.remove(user)
m2m_changed receiver method is called with action post_remove. And if I
try to remove the same user again, this time also m2m_changed receiver
method is called. Even if there's no such user exist in ManyToMany field,
django will emit post_remove signal.
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Ticket URL: <https://code.djangoproject.com/ticket/29615>
Django <https://code.djangoproject.com/>
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