Opened 5 years ago
Last modified 5 years ago
#30537 closed Bug
ORM: ForeignKey: inconsistent handling of referenced obj. id — at Initial Version
| Reported by: | Aliaksei | Owned by: | nobody |
|---|---|---|---|
| Component: | Database layer (models, ORM) | Version: | 2.0 |
| Severity: | Normal | Keywords: | ORM, ForeignKey, NOT NULL constraint, inconsistency |
| Cc: | Triage Stage: | Unreviewed | |
| Has patch: | no | Needs documentation: | no |
| Needs tests: | no | Patch needs improvement: | no |
| Easy pickings: | no | UI/UX: | no |
Description
In short: if referenced obj. is saved after attaching to a referencing obj. its id field (i.e. <refrerenced_obj>_id) there remains None.
In details:
class ReferencedObj(Model):
...
class ReferencingObj(Model):
referenced_obj = ForeignKey(ReferencedObj)
...
x = ReferencedObj()
y = ReferencingObj()
y.referenced_obj = x
x.save()
y.save() -----→ NOT NULL constraint failed: ..._referencingobj.referenced_obj_id
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