Gerardo Herzig <gherzig@fmed.uba.ar> writes:
> Hi all. Im triyng to see if i can improve the performance of a query
> (mainly a 10 table join)
One easy thing to try is increase from_collapse_limit and/or
join_collapse_limit to 10 or more. That will result in longer planning
time but might let the planner find a better plan for this query.
regards, tom lane