#13781: select_related and multiple inheritance
-------------------------------------+-------------------------------------
Reporter: shauncutts | Owner: nobody
Type: Bug | Status: reopened
Component: Database layer | Version: 1.2
(models, ORM) | Resolution:
Severity: Normal | Triage Stage: Accepted
Keywords: | Needs documentation: 0
Has patch: 1 | Patch needs improvement: 1
Needs tests: 0 | UI/UX: 0
Easy pickings: 1 |
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Changes (by ungenio):
* needs_better_patch: 0 => 1
Comment:
I've encountered an issue with my patch. If Child1 is a subclass of
Parent1 and Child2 is a subclass of both Parent1 and Parent2, doing a
Parent1.objects.select_related('child1', 'child2') will not return any
results for Child1 because an INNER JOIN is being used with Parent2.
So, I need to figure out how to force it to a LEFT OUTER join in this
instance. At this point I might just try a different approach for my
project.
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Ticket URL: <https://code.djangoproject.com/ticket/13781#comment:12>
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