Extension of Thick Indexes - Mailing list pgsql-hackers

Hi,<br /><br /> We are extending Gokul's Thick index functionality (<a
href="http://archives.postgresql.org/pgsql-patches/2008-01/msg00092.php">http://archives.postgresql.org/pgsql-patches/2008-01/msg00092.php</a>)
on8.4 code base to <br /> - fix existing defects <br /> - Extend thick index usage for group by, count, nested queries,
and"delete/update with join" queries.<br /> - Improve cost estimates for using thick indexes, and<br /> - Support OR
conditionqueries using thick indexes (which involves computation of bitmap-or)<br /><br /> Details of the above
featurescan be seen at <a
href="http://aurora.regenstrief.org/postgresql/report/6">http://aurora.regenstrief.org/postgresql/report/6</a><br/><br
/>Please let me know if you have any comments or suggestions.<br /><br /> Thanks,<br /> Amit<br /> Persistent
Systems<br/><br />