Re: OIDs missing in pg_attribute?

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: "Marc G(dot) Fournier" <scrappy(at)hub(dot)org>
Cc: pgsql-hackers(at)postgresql(dot)org
Subject: Re: OIDs missing in pg_attribute?
Date: 2001-12-07 15:42:24
Message-ID: 29740.1007739744@sss.pgh.pa.us
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"Marc G. Fournier" <scrappy(at)hub(dot)org> writes:
> v7.2b3 no longer has an OID on pg_attribute?

Yup.

> Is this intentional? :(

Yup.

> The following works great in v7.1.3, but fails in v7.b3:

> select upper(c.relname) as table_name,
> upper(a.attname) as column_name,
> d.description as comments
> from pg_class c,
> pg_attribute a
> left outer join pg_description d on (a.oid = d.objoid)
> where c.oid = a.attrelid
> and a.attnum > 0;

This would not work anyway in 7.2, since the primary key of
pg_description is now (objoid,classoid,objsubid) not just (objoid).
I'd recommend using col_description(a.attrelid, a.attnum) rather
than the explicit join against pg_description.

regards, tom lane

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