[ Sorry, forgot to cc list ] >> It is said to be 10%. i would like to raise that, because we are getting bas >> estimations for n_distinct. > > More to the point, the estimator we use is going to be biased for many > ( probably most ) distributions no matter how large your sample size > is. > > If you need to fix ndistinct, a better approach may be to do it manually. > > Best, > Nathan > -- Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance
