Stelian Iancu <stelian@xxxxxxxx> writes: > I have Postrgres 9.3 running on a Linux machine with 32GB RAM. I have a > fairly large database (some tables with approx. 1 mil. records) and I > have the following query: > [ 13-way join joined to a 3-way join ] Think you'll need to raise join_collapse_limit and from_collapse_limit to get the best plan here. The planning time might hurt, though. TBH that schema looks designed for inefficiency; you'd be better off rethinking the design rather than hoping the planner is smart enough to save you from it. regards, tom lane -- Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance
