#10972: Use Expressions with Annotations
-------------------------------------+-------------------------------------
Reporter: me@… | Owner:
Type: New | Status: new
feature | Component: ORM aggregation
Milestone: | Severity: Normal
Version: SVN | Keywords: expression
Resolution: | aggregation aggregates annotation
Triage Stage: Accepted | Has patch: 1
Needs documentation: 0 | Needs tests: 0
Patch needs improvement: 1 | Easy pickings: 0
UI/UX: 0 |
-------------------------------------+-------------------------------------
Changes (by ramiro):
* ui_ux: => 0
* easy: => 0
Old description:
> It would be nice if expressions could be used inside annotations, i.e.
> to perform something like the following:
>
> Customer.objects.annotate('total_purchased':
> Sum(F('customer__order__lineitem__quantity') *
> F('customer__order__lineitem__price')))
New description:
It would be nice if expressions could be used inside annotations, i.e. to
perform something like the following:
{{{
Customer.objects.annotate('total_purchased':
Sum(F('customer__order__lineitem__quantity') *
F('customer__order__lineitem__price')))
}}}
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Ticket URL: <https://code.djangoproject.com/ticket/10972#comment:13>
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