#13363: extra fields of Model.objects.extra() can't be filtered
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Reporter: fetzig | Owner:
Status: reopened | Milestone:
Component: ORM aggregation | Version: SVN
Resolution: | Keywords: queryset extra filter
Stage: Unreviewed | Has_patch: 0
Needs_docs: 0 | Needs_tests: 0
Needs_better_patch: 0 |
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Changes (by ris):
* status: closed => reopened
* resolution: wontfix =>
Comment:
Sorry I know it's impolite to reopen tickets like this.
I too would find this a very useful feature.
I realize _similar_ functionality is possible using the where= clause, but
allowing the selected parameter to be filtered against would mean you
could re-use the same calculated parameter (multiple times) from within
complex Q() statements.
e.g. - currently in my app I am dynamically building a really very complex
query using Q statements. Having to fall back to the QuerySet to perform
the extra() from within this code would be quite painful and screw up my
encapsulation.
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Ticket URL: <http://code.djangoproject.com/ticket/13363#comment:2>
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