#27332: Specifying additional ON arguments, and more flexibility with joins
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Reporter: MikiSoft | Owner: nobody
Type: New feature | Status: new
Component: Database layer | Version:
(models, ORM) |
Severity: Normal | Resolution:
Keywords: | 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 Anssi Kääriäinen):
This is something I've wanted for a long time.
Some considerations:
- In general the ORM API tries to avoid SQL specific terms like join.
Maybe relation would be a better term to use?
- The API shouldn't edit the current relation, instead it should add a
new lookup path alias. So: .filtered_relation('translations',
alias='translation_fi',
condition=Q(translations__lang='fi')).filter(translation_fi__title=...)
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Ticket URL: <https://code.djangoproject.com/ticket/27332#comment:12>
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