On Thursday 16 July 2009 11:30:00 ning wrote: > Hi Andres, > > By executing > #explain analyze execute test_query; > > the first execution cost 0.389 seconds > the second cost 0.285 seconds Seconds or milliseconds? If seconds that would be by far slower than the plain SELECT, right? Andres -- Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance