On 2014-03-03 10:35:03 -0500, Robert Haas wrote: > On Mon, Mar 3, 2014 at 9:57 AM, Andres Freund <and...@2ndquadrant.com> wrote: > > Hm, I think all it needs to do disable delta encoding if > > need_tuple_data (which is dependent on wal_level=logical). > > Why does it need to do that? The logical decoding stuff should be > able to reverse out the delta encoding.
Against what should it perform the delta? Unless I misunderstand how the patch works, it computes the delta against the old tuple in the heap page? Greetings, Andres Freund -- Andres Freund http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Training & Services -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
