Robert Haas <[email protected]> writes:
> On Mon, May 13, 2013 at 1:03 PM, Andres Freund <[email protected]> wrote:
>> Why don't we just prohibit deletion/modification for anything below
>> FirstNormalObjectId instead of using the schema as a restriction? Then
>> we can allow creation for tables as well.
> We currently do, but that led to problems with $SUBJECT.
AFAIR there are no code restrictions based on OID value. We've got
restrictions based on things being in pg_catalog or not, and we've got
restrictions based on things being marked pinned in pg_depend.
Looking at the OID range might be a reasonable proxy for pinned-ness,
though, and it would certainly be a lot cheaper than a lookup in
pg_depend.
regards, tom lane
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