Opened 7 years ago

Last modified 7 years ago

#30062 closed New feature

Add UniqueConstraint condition parameter — at Version 1

Reported by: Pavel Tyslacki Owned by: nobody
Component: Database layer (models, ORM) Version: dev
Severity: Normal Keywords:
Cc: Triage Stage: Accepted
Has patch: yes Needs documentation: no
Needs tests: no Patch needs improvement: no
Easy pickings: no UI/UX: no

Description (last modified by Simon Charette)

According https://code.djangoproject.com/ticket/29641 and https://code.djangoproject.com/ticket/29547 add support of conditional unique constraint.

Postgresql and sqlite support it as unique index: CREATE UNIQUE INDEX ... WHERE condition, for unsupported databases this constraint will not be applied at all.

Change History (1)

comment:1 by Simon Charette, 7 years ago

Description: modified (diff)
Triage Stage: Unreviewed → Accepted

I don't think deprecating index_together is currently planned but ​the documentation do suggest it might be in the future.

I adjusted the ticket description and created #30063 so this ticket can focus on UniqueConstraint(condition).

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