On Mon, Mar 31, 2014 at 6:21 PM, Robert Haas <robertmh...@gmail.com> wrote: > On Fri, Mar 28, 2014 at 11:30 AM, Alexander Korotkov > <aekorot...@gmail.com> wrote: >> after reading Heikki Linnakangas presentation about GIN from Nordic PGDay, I >> figure out that btree_gin became much more attractive. >> http://hlinnaka.iki.fi/presentations/NordicPGDay2014-GIN.pdf > > This is a mighty interesting presentation. Could the posting tree > compression described on the "posting tree page format" slides (pp. > 16-17, I think) be used for btree also? Would we get similar > benefits? How much more expensive are updates with the new system?
I'd believe so, but it can make updates quite complicated. I was going to take a stab at prefix-compression in b-tree, I could explore delta compression of the tids as well. -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
