Simon Riggs <simon(at)2ndQuadrant(dot)com> writes:
> On Thu, 2008-10-30 at 08:30 -0400, Tom Lane wrote:
>> What about using the existing
>> syscache logic to re-derive inval information from watching the update
>> operations?
> That does sound possible, but it makes some big assumptions about
> transactional machinery being in place. It ain't. Subtransactions make
> everything about 5 times more difficult, so it seems pretty scary to me.
Um. Yeah, subtransactions would be a PITA. Never mind that then ...
regards, tom lane