Re: adding on delete cascade constraint?

On Fri, 2003-09-19 at 11:09, Jean-Christian Imbeault wrote:
> Currently I have a table defined as such:
>
> TAL=# \d internal_keywords
> Table "public.internal_keywords"
>   Column  |  Type   | Modifiers
> ---------+---------+-----------
>   keyword | text    | not null
>   pid     | integer | not null
> Indexes: internal_keywords_pkey primary key btree (keyword, pid)
> Foreign Key constraints: $1 FOREIGN KEY (pid) REFERENCES products(id) ON
> UPDATE NO ACTION ON DELETE NO ACTION
>
> How can I change the ON DELETE action to CASCADE for column pid?
>
> I've check the alter table documentation but cannot find any reference
> to this.

Drop the constraint; then add an amended one.

--
Oliver Elphick                                Oliver.Elphick@lfix.co.uk
Isle of Wight, UK                             http://www.lfix.co.uk/oliver
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