On Wed, 2008-10-22 at 00:00 +0100, Gregory Stark wrote: > Actually as I recall the immediate issue was that the patch was more complex > than necessary. In particular it reimplemented parts of the executor > internally rather than figuring out what api was necessary to integrate it > fully into the executor. > > When we last left our heros they were proposing ways to refactor the index api > to allow index ams to stream results to the executor in bitmap form. That > would allow a scan of a bitmap index to return bitmap elements wholesale and > have the executor apply bitmap operations to them along with the elements > returned by a btree bitmap scan or other index ams.
The indexAM API has now been changed, so that is a simple matter now. amgetbitmap() was committed on 10 April 2008. -- Simon Riggs www.2ndQuadrant.com PostgreSQL Training, Services and Support -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
