Robert Haas wrote:
> On Fri, Dec 11, 2009 at 9:05 PM, Bruce Momjian <bruce@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 <bruce@momjian.us> http://momjian.us EnterpriseDB
http://enterprisedb.com
+ If your life is a hard drive, Christ can be your backup. +
