#27585: ManyToMany relationship is cascading delete after being detached
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Reporter: Teresa | Owner: nobody
Type: Bug | Status: closed
Component: Database layer | Version: 1.8
(models, ORM) |
Severity: Normal | Resolution: invalid
Keywords: ManyToMany, | Triage Stage:
cascade, delete, remove | Unreviewed
Has patch: 0 | Needs documentation: 0
Needs tests: 0 | Patch needs improvement: 0
Easy pickings: 0 | UI/UX: 0
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Comment (by Matt):
This problem just happened to me on Django 2.2.12 in a migration. e.g.
{{{
Category = apps.get_model('blog', 'Category')
cat = Category.objects.filter(name='Cat A').first()
for article in list(cat.article_set.all()):
cat.article_set.remove(article)
# This deleted all articles that were in the category but were already
removed()
cat.delete()
}}}
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Ticket URL: <https://code.djangoproject.com/ticket/27585#comment:5>
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