El mié, 11-01-2012 a las 10:40 -0500, Tom Lane escribió: > Gerardo Herzig <gher...@fmed.uba.ar> writes: > > Hi all. Im working on a 'simple' query with 7, 8 left joins. After the > > 9nth join or so, explain analyze became to show the plan with many > > tables being read in sequential fashion. Of course, this slows down the > > query response in a factor on 10. > > increase join_collapse_limit, perhaps? > > regards, tom lane >
Im sory Tom and all, again stuck with this. Now i have 9 joins, and join_collapse_limit = 20, and the query slows down big time when the 9th join appears. Another configuration variable to check against? Thanks again. Gerardo -- Sent via pgsql-sql mailing list (pgsql-sql@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-sql
