Re: pg_depend

> The objects would need to be identified by two-part IDs, one part
> specifying the object type and one giving its OID (which is known unique
> within that type).  Possibly object type would be best handled by giving
> the OID of the system catalog containing the object's definition row.
> In any case, looking at the type part would let users of the pg_depend
> catalog figure out what they needed to do.

Yes, exactly.  Also, I can see code that will handles dependencies
differently if it is a pg_class or pg_type row that is mentioned in
pg_depend.

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