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Re: BUG #2103: System column oid is not unique

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: "wangshj" <wangshj(at)sduept(dot)com>
Cc: pgsql-bugs(at)postgresql(dot)org
Subject: Re: BUG #2103: System column oid is not unique
Date: 2005-12-09 16:34:41
Message-ID: 13827.1134146081@sss.pgh.pa.us (view raw or flat)
Thread:
Lists: pgsql-bugs
"wangshj" <wangshj(at)sduept(dot)com> writes:
> Description:        System column oid is not unique

There isn't, and never has been nor will be, any promise that it is,
except to the extent that uniqueness is enforced by a unique index
on a particular table.  OID is just a kind of serial sequence generator.

			regards, tom lane

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