Re: WIP: multivariate statistics / proof of concept

From: Michael Paquier <michael(dot)paquier(at)gmail(dot)com>
To: Tomas Vondra <tv(at)fuzzy(dot)cz>
Cc: PostgreSQL mailing lists <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: WIP: multivariate statistics / proof of concept
Date: 2014-12-08 01:01:47
Message-ID: CAB7nPqQRcS3R_bnAD_Gr3q5Uv+Qqe+0W3reBuhx63jeABO0Hww@mail.gmail.com
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On Sun, Nov 16, 2014 at 3:35 AM, Tomas Vondra <tv(at)fuzzy(dot)cz> wrote:
> Thanks for the link. I've been looking for a good dataset with such
> data, and this one is by far the best one.
>
> The current version of the patch supports only data types passed by
> value (i.e. no varlena types - text, ), which means it's impossible to
> build multivariate stats on some of the interesting columns (state,
> city, ...).
>
> I guess it's time to start working on removing this limitation.
Tomas, what's your status on this patch? Are you planning to make it
more complicated than it is? For now I have switched it to a "Needs
Review" state because even your first version did not get advanced
review (that's quite big btw). I guess that we should switch it to the
next CF.
Regards,
--
Michael

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