#30910: Add system check warning on duplicate check constraints.
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Reporter: Jon Dufresne | Owner: nobody
Type: New feature | Status: new
Component: Core (System checks) | Version: master
Severity: Normal | Keywords:
Triage Stage: Unreviewed | Has patch: 0
Needs documentation: 0 | Needs tests: 0
Patch needs improvement: 0 | Easy pickings: 0
UI/UX: 0 |
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Recently, due to an oversight when copying & pasting code, I created a
duplicate `CheckConstraint`. I had intended to modify the `check` argument
after pasting, but I made a mistake. In this specific instance, the
mistake was caught and fixed during a routine code review, but it made me
think this is something that could be warned against by Django so it is
caught early.
While a duplicate check constraint is legal SQL, it normally points to an
error on the part of the developer. We can issue a `Warning` in such a
case.
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Ticket URL: <https://code.djangoproject.com/ticket/30910>
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