Opened 3 hours ago
#35956 new New feature
Add composite foreign keys
| Reported by: | Csirmaz Bendegúz | Owned by: | |
|---|---|---|---|
| Component: | Database layer (models, ORM) | Version: | dev |
| Severity: | Normal | Keywords: | |
| Cc: | Csirmaz Bendegúz | Triage Stage: | Unreviewed |
| Has patch: | no | Needs documentation: | no |
| Needs tests: | no | Patch needs improvement: | no |
| Easy pickings: | no | UI/UX: | no |
Description
This is a follow up to #373 (CompositePrimaryKey).
Now that composite primary keys are merged, it would be great to be able to create foreign keys referencing them through the Django ORM.
My proposal is to add 2 parameters to ForeignKey: from_fields and to_fields.
They would map to the underlying ForeignObject's from_fields, to_fields parameters.
If a ForeignKey has multiple fields, it acts as a virtual field, meaning it doesn't create a database column automatically.
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