Re: Alter table to "on update cascade"
От | Richard Broersma |
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Тема | Re: Alter table to "on update cascade" |
Дата | |
Msg-id | AANLkTim0_j4QhMxm0PQ22MuOXR4iPW1zz=t5PYeRUX_1@mail.gmail.com обсуждение исходный текст |
Ответ на | Re: Alter table to "on update cascade" (David Fetter <david@fetter.org>) |
Ответы |
Re: Alter table to "on update cascade"
Re: Alter table to "on update cascade" |
Список | pgsql-general |
On Wed, Nov 17, 2010 at 8:43 AM, David Fetter <david@fetter.org> wrote: > You can do it like this: > > BEGIN; > ALTER TABLE foo DROP CONSTRAINT your_constraint; > ALTER TABLE foo ADD FOREIGN KEY ...; > COMMIT; The nice thing about the ALTER TABLE statement is that you can do it in one command: ALTER TABLE foo DROP CONSTRAINT your_constraint, ADD CONSTRAINT your_constraint FOREIGN KEY ... ON UPDATE CASCADE ON DELETE RESTRICT; -- Regards, Richard Broersma Jr. Visit the Los Angeles PostgreSQL Users Group (LAPUG) http://pugs.postgresql.org/lapug
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