Robert Haas wrote: > On Fri, Dec 11, 2009 at 9:05 PM, Bruce Momjian <br...@momjian.us> wrote: > > Ashish wrote: > >> I am thinking about starting with the following TODO item: > >> > >> --> Have EXPLAIN ANALYZE issue NOTICE messages when the estimated > >> and actual row counts differ by a specified percentage. > >> > >> I picked this because it is somewhat related to query processing > >> which is what I am most interested in. It also <seems> like a > >> good start up project for a newbie like me. Before I start > >> looking into what this would involve and start a conversation > >> on designing a solution - I wanted to know what you guys think > >> about this particular TODO, and it suitability to a newbie. > >> Looking forward to your comments... > > > > I even have a sample patch you can use as a start, attached. > > Interesting. The logic in ExplainVariance() doesn't look right to me > - the cases where one argument is zero seem like they will produce a > differently-scaled result than otherwise.
Yea, it is just a starting point for him. -- Bruce Momjian <br...@momjian.us> http://momjian.us EnterpriseDB http://enterprisedb.com + If your life is a hard drive, Christ can be your backup. + -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
