#35974: create_reverse_many_to_one_manager: use router.allow_relation instead of
comparing objects' _state.db in RelatedManager.add
-------------------------------------+-------------------------------------
Reporter: Laurent Szyster | Owner: (none)
Type: Bug | Status: new
Component: Database layer | Version: 4.2
(models, ORM) |
Severity: Normal | Resolution:
Keywords: | Triage Stage:
| Unreviewed
Has patch: 0 | Needs documentation: 0
Needs tests: 0 | Patch needs improvement: 0
Easy pickings: 0 | UI/UX: 0
-------------------------------------+-------------------------------------
Comment (by Laurent Szyster):
Note that the database router's `allow_relation` method is used elsewhere
to test if two objects can be related:
-
https://github.com/django/django/blob/39cf3c63f3228a04f101f3e62c75a6aae7c6ef0f/django/db/models/fields/related_descriptors.py#L284
-
https://github.com/django/django/blob/39cf3c63f3228a04f101f3e62c75a6aae7c6ef0f/django/db/models/fields/related_descriptors.py#L547
-
https://github.com/django/django/blob/39cf3c63f3228a04f101f3e62c75a6aae7c6ef0f/django/db/models/fields/related_descriptors.py#L1312
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Ticket URL: <https://code.djangoproject.com/ticket/35974#comment:1>
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