#17271: QuerySet.none() doesn't work well with subclasses of QuerySet
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Reporter: andreypopp | Owner: nobody
Type: New feature | Status: new
Component: Database layer | Version: SVN
(models, ORM) | Resolution:
Severity: Normal | Triage Stage:
Keywords: | Unreviewed
Has patch: 1 | Needs documentation: 0
Needs tests: 0 | Patch needs improvement: 0
Easy pickings: 1 | UI/UX: 0
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Comment (by andreypopp):
Replying to [comment:4 Wojciech Banaś <fizista@…>]:
> I tested also a problem with the method of none () in my
solution([[ticket:17270]]), and this problem does NOT exist there.
>
> So I think the filters should be located just in manager and not in the
QuerySet.
I like to define methods on `QuerySet` because it allows chain several
filters at once:
{{{
users = User.objects.have_permission("some
permission").is_staff().have_new_messages()
}}}
and so on...
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Ticket URL: <https://code.djangoproject.com/ticket/17271#comment:5>
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