#16135: Model 'Child' is inherited from 'Parent', expecting to get only Child
results with Parent.objects.filter(child__isnull=False), but does not work.
-------------------------------------+-------------------------------------
Reporter: robin | Owner:
Type: Bug | Status: closed
Component: Database layer | Version: 1.3
(models, ORM) |
Severity: Normal | Resolution: fixed
Keywords: | Triage Stage: Accepted
Has patch: 0 | Needs documentation: 0
Needs tests: 0 | Patch needs improvement: 0
Easy pickings: 0 | UI/UX: 0
-------------------------------------+-------------------------------------
Changes (by timgraham):
* status: new => closed
* resolution: => fixed
Comment:
Fixed by #15316 / 2e56066a5b93b528fbce37285bac591b44bc6ed7 which is in
Django 1.4+.
The test I used to bisect is:
{{{
Parent.objects.create()
self.assertEqual(Parent.objects.filter(child__isnull=False).count(), 0)
self.assertEqual(Parent.objects.filter(child__isnull=True).count(), 1)
}}}
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Ticket URL: <https://code.djangoproject.com/ticket/16135#comment:5>
Django <https://code.djangoproject.com/>
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