On Fri, Jul 18, 2014 at 10:46 AM, Andres Freund <and...@2ndquadrant.com> wrote: > I think the things that use "wierd" visibility semantics are pretty much > all doing that internally (things being EvalPlanQual stuff for > INSERT/UPDATE/DELETE and the referential integrity triggers). I don't > see sufficient reason why we should break away from that here. Yes, > there's stuff that cannot be done when it's done internally, but we can > live with those not being possible.
The whole point of what I was proposing was that those semantics would only apply to a special tid scan node. Perhaps I missed something, but I'm not sure why you'd consider that I was breaking away from that here at all. -- Peter Geoghegan -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers