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No DEFERRABLE Constraint option #209

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anonymouz4 opened this issue May 8, 2023 · 0 comments

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anonymouz4 commented May 8, 2023 •

edited

Currently it isn't possible to declare a constraint, while making it DEFERRABLE or set a initial deferred state.

Workaround 1:

guard let db = database as? PostgresDatabase else {
	throw Abort(.internalServerError)
}
try db.simpleQuery("ALTER TABLE waitlist ADD  CONSTRAINT no_duplicate_ranks UNIQUE(waitlist_rank) DEFERRABLE;").wait()

Workaround 2:

// In create migration
.constraint(.custom("CONSTRAINT \"no_duplicate_ranks\" UNIQUE(waitlist_rank) DEFERRABLE"))

anonymouz4 added the enhancement label

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