Re: oid and oidvector

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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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?

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