Re: help with add constraint syntax needed
| От | Stephan Szabo |
|---|---|
| Тема | Re: help with add constraint syntax needed |
| Дата | |
| Msg-id | Pine.BSF.4.21.0106221248000.9504-100000@megazone23.bigpanda.com обсуждение исходный текст |
| Ответ на | help with add constraint syntax needed (Mike Haberman <mikeh@ncsa.uiuc.edu>) |
| Список | pgsql-hackers |
On Wed, 20 Jun 2001, Mike Haberman wrote: > hello all, > > I am using an xml -> sql generator where foreign key are specified > after the columns are. The sql is written as the xml file is being > parsed so, the foreign key stuff must be written after the fact. > > The problem I need to solve is adding the on Delete/on Update constraints. > > here's what I would like to do (e.g.): > > ALTER TABLE league > ADD CONSTRAINT leagueOwnerId FOREIGN KEY (leagueOwnerId) > REFERENCES TeamOwner (id) ON DELETE CASCASE; > > table teamOwner (id) > table league (id, leagueOwnerId) > where leagueOwnerId is a FKey to owner(id) What problem are you having? The above works for me assuming teamowner has a unique constraint on id on current sources.
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