#30547: Document what happens during model validation with Meta.constraints.
-------------------------------------+-------------------------------------
Reporter: Dirk Groten | Owner: Swatantra
Type: | Status: closed
Cleanup/optimization |
Component: Documentation | Version: 2.2
Severity: Normal | Resolution: fixed
Keywords: constraints, | Triage Stage: Ready for
UniqueConstraint | checkin
Has patch: 1 | Needs documentation: 0
Needs tests: 0 | Patch needs improvement: 0
Easy pickings: 1 | UI/UX: 0
-------------------------------------+-------------------------------------
Changes (by Kevin Christopher Henry):
* cc: Kevin Christopher Henry (added)
Comment:
I suggest that the note be expanded to indicate that uniqueness validation
does ''not'' work if the `condition` parameter is used (i.e. for partial
unique indexes). Based on
[https://github.com/django/django/pull/10796#discussion_r244216763 this
comment] it appears to be a hard problem, and unlikely to be implemented
any time soon.
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Ticket URL: <https://code.djangoproject.com/ticket/30547#comment:8>
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