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. ...Robert -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
