#29095: QuerySet.count() with Sum window function generates invalid SQL on
PostgreSQL
-------------------------------------+-------------------------------------
Reporter: Shadi Akiki | Owner: nobody
Type: Bug | Status: new
Component: Database layer | Version: 2.0
(models, ORM) |
Severity: Normal | Resolution:
Keywords: window | Triage Stage: Accepted
Has patch: 0 | Needs documentation: 0
Needs tests: 0 | Patch needs improvement: 0
Easy pickings: 0 | UI/UX: 0
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Comment (by holvianssi):
I can't reproduce this. I'm using Django tests expressions_window app
model, and trying with query:
{{{
Employee.objects.annotate(
cumulative_obligor=Window(
expression=Sum(F('salary')),
partition_by=[F('department')],
order_by=['hire_date']
)
).filter(pk__gte=1).count()
}}}
What's the missing ingredient to make this crash? Or could this have been
fixed subsequently?
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Ticket URL: <https://code.djangoproject.com/ticket/29095#comment:2>
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