#30188: Aggregate annotation, Case() - When(): AssertionError No exception
message
supplied
-------------------------------------+-------------------------------------
Reporter: Lukas Klement | Owner: nobody
Type: Bug | Status: new
Component: Database layer | Version: 2.1
(models, ORM) |
Severity: Normal | Resolution:
Keywords: query, aggregate, | Triage Stage: Accepted
case/when |
Has patch: 1 | Needs documentation: 0
Needs tests: 0 | Patch needs improvement: 0
Easy pickings: 0 | UI/UX: 0
-------------------------------------+-------------------------------------
Comment (by Lukas Klement):
Hi Tim, thank you for attaching an example project - why is the query not
valid? Why is it that annotated fields derived from annotated fields that
used Case() / When() cannot be aggregated?
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Ticket URL: <https://code.djangoproject.com/ticket/30188#comment:11>
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