Re: ALTER TABLE -- how to add ON DELETE CASCADE?
| От | felix@crowfix.com |
|---|---|
| Тема | Re: ALTER TABLE -- how to add ON DELETE CASCADE? |
| Дата | |
| Msg-id | 20060307224214.GA21890@crowfix.com обсуждение исходный текст |
| Ответ на | Re: ALTER TABLE -- how to add ON DELETE CASCADE? (Tom Lane <tgl@sss.pgh.pa.us>) |
| Ответы |
Re: ALTER TABLE -- how to add ON DELETE CASCADE?
|
| Список | 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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I've found a solution to Fermat's Last Theorem but I see I've run out of room o
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