Opened 23 months ago
Last modified 22 months ago
#34267 closed Bug
Error with Union queryset not being paginable — at Initial Version
Reported by: | Raphaël Stefanini | Owned by: | nobody |
---|---|---|---|
Component: | Database layer (models, ORM) | Version: | 4.2 |
Severity: | Release blocker | Keywords: | |
Cc: | Simon Charette | Triage Stage: | Ready for checkin |
Has patch: | yes | Needs documentation: | no |
Needs tests: | no | Patch needs improvement: | no |
Easy pickings: | no | UI/UX: | no |
Description
I tried 4.2a1 today on my project and I noticed pagination was broken on one view.
After little investigation I manage to reproduce an error:
Event
is a model with set
a Foreignkey
>> events = Event.objects.all() >> events_without_set = events.filter(set__isnull=True) >> one_event_of_each_set = ( events.filter(set__isnull=False) .order_by("set_id") .distinct("set_id") ) >> my_list = events_without_set.union(one_event_of_each_set) >> my_list.count() 212 >> my_list[2] Traceback (most recent call last): File "<console>", line 1, in <module> File "/venv/lib/python3.11/site-packages/django/db/models/query.py", line 450, in __getitem__ return qs._result_cache[0] ~~~~~~~~~~~~~~~~^^^ IndexError: list index out of range
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