#31926: Queryset crashes when recreated from a pickled query with
FilteredRelation
used in aggregation.
-------------------------------------+-------------------------------------
Reporter: Beda Kosata | Owner: nobody
Type: Bug | Status: new
Component: Database layer | Version: 2.2
(models, ORM) |
Severity: Normal | Resolution:
Keywords: | Triage Stage: Accepted
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 Beda Kosata):
Just a note, the failing queryset does not have to be constructed using
the
{{{
qs2 = Publication.objects.all()
qs2.query = pickle.loads(pickle.dumps(qs.query))
}}}
The same problem occurs even if the whole queryset is pickled and
unpickled and then a copy is created by calling `.all()`.
{{{
qs2 = pickle.loads(pickle.dumps(qs)).all()
}}}
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Ticket URL: <https://code.djangoproject.com/ticket/31926#comment:2>
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