#24387: Django admin, exception in queryset when using values() before annotate
-------------------------------------+-------------------------------------
Reporter: essadek | Owner: nobody
Type: Bug | Status: closed
Component: contrib.admin | Version: 1.6
Severity: Normal | Resolution: needsinfo
Keywords: Django Admin , | Triage Stage:
aggregation, change list | Unreviewed
Has patch: 0 | Needs documentation: 0
Needs tests: 0 | Patch needs improvement: 0
Easy pickings: 0 | UI/UX: 0
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Changes (by charettes):
* status: new => closed
* cc: charettes (added)
* needs_better_patch: => 0
* needs_tests: => 0
* needs_docs: => 0
* resolution: => needsinfo
Comment:
It's not clear to me what you're trying to accomplish here, the admin
requires a normal queryset not a value one.
Are you trying to select only the `region` field? In this case you should
use [https://docs.djangoproject.com/en/1.7/topics/db/optimization/#use-
queryset-defer-and-only only] and not `values`.
{{{#!python
qs = qs.annotate(total=Sum('nbr')).only('region')
}}}
--
Ticket URL: <https://code.djangoproject.com/ticket/24387#comment:1>
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