#28806: Mechanism of fetching related objects violates READ COMMITTED
assumption of
Django ORM
-------------------------------------+-------------------------------------
Reporter: Aaron Tan | Owner: nobody
Type: Bug | Status: new
Component: Database layer | Version: master
(models, ORM) |
Severity: Normal | Resolution:
Keywords: database, read- | Triage Stage: Accepted
committed, concurrency control |
Has patch: 0 | Needs documentation: 0
Needs tests: 0 | Patch needs improvement: 0
Easy pickings: 0 | UI/UX: 0
-------------------------------------+-------------------------------------
Comment (by holvianssi):
There's nothing else to do for this case except throw an informative
error. This is what you get with concurrent database requests.
BTW there's another reason why the comment is wrong. Django uses deferred
foreign keys, so nothing prevents you from deleting the parent model
inside a transaction, the fk is only validated during commit.
--
Ticket URL: <https://code.djangoproject.com/ticket/28806#comment:4>
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