Re: Strange heuristic in analyze.c

From: Greg Stark <stark(at)mit(dot)edu>
To: Bruce Momjian <bruce(at)momjian(dot)us>
Cc: "<pgsql-hackers(at)postgresql(dot)org>" <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Strange heuristic in analyze.c
Date: 2010-02-08 18:19:04
Message-ID: 407d949e1002081019i3721686bh3ab61ce4eb7adfc9@mail.gmail.com
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On Fri, Feb 5, 2010 at 8:53 PM, Bruce Momjian <bruce(at)momjian(dot)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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