Hannu Krosing <hannu@krosing.net> writes:
> On Mon, 2008-05-26 at 16:55 +0200, Peter Eisentraut wrote:
>> If the data in a table never changes, why would VACUUM or HOT need to touch
>> it? The use case isn't clear to me.
> I guess the use-case is about a long read-write transaction doing
> read-only access to an update-only table and thus blocking vacuum on
> other tables.
... in which case the proposed kluge would result in unstable,
unpredictable answers, so there is still no plausible use-case.
regards, tom lane