Excerpts from Silvio Brandani's message of vie ago 06 07:56:53 -0400 2010: > it seems the execution plan is different for this query when run from > the application versus the psql . How can I check the execution plan of > a query run by a user?? > I can set explain analyze for the query via psql but how can I check > with application running the query??? If this is a prepared query, then that is a good guess. You can see the real plan that the application is getting in psql by explaining the execution of a prepared statement like this: PREPARE foo(int, text) AS SELECT blah FROM foo, bar WHERE foo.id = $1 AND ... EXPLAIN ANALYZE EXECUTE foo(someval, another); -- Álvaro Herrera <alvherre@xxxxxxxxxxxxxxxxx> The PostgreSQL Company - Command Prompt, Inc. PostgreSQL Replication, Consulting, Custom Development, 24x7 support -- Sent via pgsql-admin mailing list (pgsql-admin@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-admin