On Mon, Jul 27, 2009 at 5:06 AM, Developer<dev002@xxxxxxxxxxxxx> wrote: > Hello, > > I am trying to optimize the count of files when I am using filters > (select by some row/s parameter/s) > My question is: > Any method for indirect count like ordered indexes + quadratic count? > Any module? > Any suggestion? If all you need is a good-enough estimate, you can try reporting the tuples count out of the stats tables. It'll only be as up-to-date as autovac makes it, though. I do this in one app to give me ballpark figures for some constantly-growing tables. -- - David T. Wilson david.t.wilson@xxxxxxxxx -- Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance