Re: Multiple foreign keys with the same name and information_schema
| От | Jonathan Tapicer |
|---|---|
| Тема | Re: Multiple foreign keys with the same name and information_schema |
| Дата | |
| Msg-id | 4603e2db0908100825v659d1c23o2ec3336ec5770eeb@mail.gmail.com обсуждение исходный текст |
| Ответ на | Re: Multiple foreign keys with the same name and information_schema (Tom Lane <tgl@sss.pgh.pa.us>) |
| Список | pgsql-general |
> > Actually, the information_schema supposes that constraint names are > unique within a *schema*, not within a *catalog* (a/k/a database). > Don't know if that distinction can help you or not. You are correct > that Postgres is less rigid. We do not consider that to be a deficiency > on the Postgres side ;-) Yes, my bad. Anyway, it doesn't help, I have both tables on the same schema. > > If you want to use the information_schema to deal with this stuff, the > answer is to make sure that your application follows the SQL-standard > rule of not duplicating constraint names within a schema. > > regards, tom lane > Yes, I know that following the SQL standards is the way to go, but sometimes this has to be done in databases I don't design, so I have to be prepared for every case. I think I'll use the pg_catalog for this case. Thank you for you answer, Jonathan
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