Re: obj_unique_identifier(oid) - Mailing list pgsql-hackers

From Joel Jacobson
Subject Re: obj_unique_identifier(oid)
Date
Msg-id 5552680124847797655@iso-8859-1msgid
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In response to Re: obj_unique_identifier(oid)  (Tom Lane <tgl@sss.pgh.pa.us>)
Responses Re: obj_unique_identifier(oid)  (Joel Jacobson <joel@gluefinance.com>)
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On 7 jan 2011, at 20:46, Tom Lane <tgl@sss.pgh.pa.us> wrote:

> Joel Jacobson <joel@gluefinance.com> writes:
>> The function obj_unique_identifier(oid) will return a unique name for _any_ oid.
>
> Surely this is broken by design?  You can *not* assume that the same OID
> isn't in use for different things in different system catalogs.  They're
> only guaranteed unique within a catalog.  That's the main reason why
> pg_depend has to include the classid.
>
>            regards, tom lane

Correct. That is why the regclass name (classid) is included in the unique name.


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