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Changes between Initial Version and Version 1 of Ticket #34943, comment 3

initial	v1
29	29	unique_constraint='unique_profile_stream_topic',
30	30	)
	31
	32	---
	33
	34	My recommendation would be to introduce a `unique_constraint: str \| tuple[str \| Expression]` kwarg and deprecate `unique_fields`. When provided a `str` it would be a reference to a `UniqueConstraint` by `.name` and when it's a `tuple` it would be expected to be a index expression where `str` are resolved to field names. I guess the `str` -> `UniqueConstraint.name` part could be a distinct feature request.