Re: Strange heuristic in analyze.c - Mailing list pgsql-hackers

From Greg Stark
Subject Re: Strange heuristic in analyze.c
Date
Msg-id 407d949e1002081019i3721686bh3ab61ce4eb7adfc9@mail.gmail.com
Whole thread Raw
In response to Re: Strange heuristic in analyze.c  (Bruce Momjian <bruce@momjian.us>)
List pgsql-hackers
On Fri, Feb 5, 2010 at 8:53 PM, Bruce Momjian <bruce@momjian.us> wrote:
> Do you want a C comment to document this problem?

Well I would rather a better heuristic :)

We really need some statistics nerds in this group who can pipe up
when these kinds of issues come up. There must be a good way to
estimate the probability that we've seen all distinct values.

-- 
greg


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