On Fri, 2008-12-12 at 16:10 +0000, Gregory Stark wrote: > Uhm, this is a survey of lots of different methods and does lots of > analysis. > I don't see any simple conclusions about stability. Perhaps I'm just > missing > it in the technical details. Could you point out exactly what part of > the > paper you're basing this on and what "stable" means?
I was echoing the comments in the ANALYZE code, which explain that we use the Duj1 estimator because it is more stable across sample size, as shown in table 5 on p.21 of the Haas Stokes report. -- Simon Riggs www.2ndQuadrant.com PostgreSQL Training, Services and Support -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers