#31377: Django 3.0: "GROUP BY" clauses error with tricky field annotation
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Reporter: Holovashchenko | Owner: Hasan
Vadym | Ramezani
Type: Bug | Status: assigned
Component: Database layer | Version: 3.0
(models, ORM) |
Severity: Release blocker | Resolution:
Keywords: group by, postgres, | Triage Stage: Accepted
annotate |
Has patch: 1 | Needs documentation: 0
Needs tests: 0 | Patch needs improvement: 0
Easy pickings: 0 | UI/UX: 0
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Changes (by Hasan Ramezani):
* has_patch: 0 => 1
Comment:
Simon, I've created a patch to fix this problem.
I think the collision, in this case, is between `C.status` and the status
annotation. if we remove `c_count=Count("c")` from the query we won't have
the error. So, I created a `Book1` test model in my patch to simulate the
query.
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Ticket URL: <https://code.djangoproject.com/ticket/31377#comment:4>
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