Excerpts from Heikki Linnakangas's message of vie nov 12 11:01:39 -0300 2010:
> It took me a while to understand what Greg meant as well. You can't scan > a B-tree index in *physical order*, You have to first descend to the > leftmost leaf, and follow the right pointers from there until you reach > the rightmost leaf. That is a lot slower than seqscanning a file in > physical order. Oh, that makes more sense. I'm not sure that can be supported sanely (i.e. not locking the whole index) -- Álvaro Herrera <alvhe...@commandprompt.com> The PostgreSQL Company - Command Prompt, Inc. PostgreSQL Replication, Consulting, Custom Development, 24x7 support -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
