#33482: filter on exists-subquery with emoty queryset removes whole WHERE block
-------------------------------------+-------------------------------------
Reporter: Tobias | Owner: nobody
Bengfort |
Type: | Status: new
Uncategorized |
Component: Database | Version: 4.0
layer (models, ORM) | Keywords: orm,
Severity: Normal | EmptyResultSet, Exists
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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```
>>> qs = MyModel.objects.filter(~models.Exists(MyModel.objects.none()),
name='test')
>>> qs
<QuerySet []>
>>> print(qs.query)
EmptyResultSet
```
With django-debug-toolbar I can still see the query, but there WHERE block
is missing completely.
This seems to be very similar to #33018.
--
Ticket URL: <https://code.djangoproject.com/ticket/33482>
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