| From: | Stephane Bortzmeyer <bortzmeyer(at)nic(dot)fr> |
|---|---|
| To: | pgsql-general(at)postgresql(dot)org |
| Subject: | Re: REFERENCES ignored when there is inheritance? |
| Date: | 2005-05-13 12:01:59 |
| Message-ID: | 20050513120159.GA25857@nic.fr |
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| Lists: | pgsql-general |
On Fri, May 13, 2005 at 11:57:08AM +0200,
Stephane Bortzmeyer <bortzmeyer(at)nic(dot)fr> wrote
a message of 49 lines which said:
> I have 240 countries in the database. Because of a programming error,
> contacts were entered with a country > 240. I thought that the
> "REFERENCES Countries (id)" should have prevented it. Is it because of
> inheritance?
Yes, it is even documented :-(
http://www.postgresql.org/docs/7.4/interactive/ddl-inherit.html
I agree with the comments at the end. Having, as a workaround, to add
a FOREIGN KEY REFERENCES to every child table defeats a lot of the
purpose of inheritance.
It does not seem to be better in 8.0:
http://www.postgresql.org/docs/8.0/interactive/ddl-inherit.html
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