Re: ALTER TABLE -- how to add ON DELETE CASCADE? - Mailing list pgsql-general

On Tue, Mar 07, 2006 at 05:36:37PM -0500, Tom Lane wrote:
> felix@crowfix.com writes:
> >     ALTER TABLE A COLUMN AA ADD CONSTRAINT DELETE ON CASCADE
>
> You're missing the specification of the foreign key, not to mention
> spelling the CASCADE clause backwards.  Try
>
> ALTER TABLE A ADD FOREIGN KEY(AA) REFERENCES B(BB) ON DELETE CASCADE

Got it right in the Subject: and my many attempts, just not in the
body :-)

The column already had the foreign key, I never thought to add it
again.  I was only thinking of modifying the minimum necessary.

Thanks.

--
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     Felix Finch: scarecrow repairman & rocket surgeon / felix@crowfix.com
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