May I suggest the recent discussion over the dreaded NL issue ... I had some similar ideas. http://www.postgresql-archive.org/OLAP-reporting-queries-fall-into-nested-loops-over-seq-scans-or-other-horrible-planner-choices-td5990160.html This could be massively useful and a huge leap in the industry. -- Sent from: http://www.postgresql-archive.org/PostgreSQL-performance-f2050081.html -- Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance