#26658: "When Case" query generating rule in duplicate
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Reporter: imaia | Owner: nobody
Type: Bug | Status: new
Component: Database layer (models, ORM) | Version: 1.9
Severity: Normal | Keywords:
Triage Stage: Unreviewed | Has patch: 0
Easy pickings: 0 | UI/UX: 0
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I have a query that looks like this:
Model.objects.values('field').annotate(value=When(Case(something=number,
then=1), default=0,
output_field=IntegerField())).annotate(count=Count('field'),
mysum=Sum('value'))
The query above generates the "When Case" clause twice. Once for value and
another time at the end of the query. That can be verified evaluating the
'''str(queryset.query)'''.
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Ticket URL: <https://code.djangoproject.com/ticket/26658>
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