#14030: Use F() objects in aggregates(), annotates() and values()
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Reporter: delfick | Owner:
Status: new | Milestone:
Component: ORM aggregation | Version: 1.2
Resolution: | Keywords:
Stage: Accepted | Has_patch: 0
Needs_docs: 0 | Needs_tests: 0
Needs_better_patch: 0 |
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Changes (by russellm):
* stage: Unreviewed => Accepted
Comment:
No reason it shouldn't be *possible*, but there's the minor issue of
implementing it :-)
There's a related problem hidden in this; annotating extra columns that
aren't aggregates. Although the example here is trying to get the
aggregate sum of field1-field2, you might also want to annotate
field1-field2 as an extra column on a model. This sort of computed column
requires the same sort of internal mechanics, except that it would result
in an extra alias, rather than being buried in a SUM clause.
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Ticket URL: <http://code.djangoproject.com/ticket/14030#comment:2>
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