On Fri, Sep 19, 2014 at 5:40 AM, Heikki Linnakangas <hlinnakan...@vmware.com> wrote: > I think we should bite the bullet and break compatibility with 9.4beta2 > format, even if we go with "my patch". In a jsonb object, it makes sense to > store all the keys first, like Tom did, because of cache benefits, and the > future possibility to do smart EXTERNAL access. Also, even if we can make > the on-disk format compatible, it's weird that you can get different runtime > behavior with datums created with a beta version. Seems more clear to just > require a pg_dump + restore.
I vote for going with your patch, and breaking compatibility for the reasons stated here (though I'm skeptical of the claims about cache benefits, FWIW). -- 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
