On Thu, Sep 15, 2016 at 1:41 AM, Amit Kapila <amit.kapil...@gmail.com> wrote: > I think it is possible without breaking pg_upgrade, if we match all > items of a page at once (and save them as local copy), rather than > matching item-by-item as we do now. We are already doing similar for > btree, refer explanation of BTScanPosItem and BTScanPosData in > nbtree.h.
If ever we want to sort hash buckets by TID, it would be best to do that in v10 since we're presumably going to be recommending a REINDEX anyway. But is that a good thing to do? That's a little harder to say. -- Robert Haas EnterpriseDB: http://www.enterprisedb.com The Enterprise PostgreSQL Company -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
