#28731: Passing an empty Q() to a When inside a Case causes an OperationError
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Reporter: Tom van Bussel | Owner: nobody
Type: Bug | Status: new
Component: Database layer | Version: 1.11
(models, ORM) |
Severity: Normal | Resolution:
Keywords: | Triage Stage:
| 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 Tom van Bussel):
Replying to [comment:2 Tomer Chachamu]:
> What did you expect to be the value of `x[0].test_name`?
I expected `x[0].test_name == True` to hold.
> We don't have any documentation on how a `Q(**kwargs)` object behaves
when `len(kwargs) == 0`, and we have no tests for it. Perhaps it should be
raising an exception (or initially a deprecation warning).
Currently `TestModel.objects.filter(Q()).all() ==
TestModel.objects.all()`, so it would be nice if that behavior is matched
everywhere.
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Ticket URL: <https://code.djangoproject.com/ticket/28731#comment:3>
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