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From: Tom Lane <tgl@sss.pgh.pa.us>
To: marcus@cockroachlabs.com
Cc: pgsql-bugs@lists.postgresql.org
Subject: Re: BUG #17261: FK ON UPDATE CASCADE can break referential integrity with columns of different types
Date: Mon, 01 Nov 2021 17:59:49 -0400
Message-ID: <1311165.1635803989@sss.pgh.pa.us> (raw)
In-Reply-To: <17261-b27dbaa13eba2220@postgresql.org>
References: <17261-b27dbaa13eba2220@postgresql.org>

PG Bug reporting form <noreply@postgresql.org> writes:
> It is possible to break foreign key referential integrity when the FK
> columns have different types and updates are cascaded from the parent
> relation to the child relation.

I'm not really sure what you'd consider such an FK relationship to mean.
I can't get too excited about it when there doesn't seem to be a well
defined semantics for it.

			regards, tom lane





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