From: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> |
---|---|
To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
Cc: | Camila Rocha <camilarrocha(at)hotmail(dot)com>, pgsql-sql(at)postgresql(dot)org |
Subject: | Re: oid and oidvector |
Date: | 2002-04-15 20:39:42 |
Message-ID: | 200204152039.g3FKdhL21970@candle.pha.pa.us |
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Lists: | pgsql-sql |
Tom Lane wrote:
> Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> writes:
> > No, you can't use oid as a foreign key. You must use a PRIMARY column.
>
> Oh?
>
> regression=# create table foo(f1 int);
> CREATE
> regression=# create unique index fooi on foo(oid);
> CREATE
> regression=# create table bar (ref oid references foo(oid));
> NOTICE: CREATE TABLE will create implicit trigger(s) for FOREIGN KEY check(s)
> CREATE
> regression=#
>
> I agree with the advice *not* to do this, but that doesn't mean it can't
> be done.
Oh, oh, TODO has:
* Allow oid to act as a foreign key
So I should mark the item as completed?
--
Bruce Momjian | http://candle.pha.pa.us
pgman(at)candle(dot)pha(dot)pa(dot)us | (610) 853-3000
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