Re: multivariate statistics (v19)

On Sat, Aug 6, 2016 at 2:38 AM, Tomas Vondra
<tomas(dot)vondra(at)2ndquadrant(dot)com> wrote:
> On 08/05/2016 06:24 AM, Michael Paquier wrote:
>>
>> On Wed, Aug 3, 2016 at 10:58 AM, Tomas Vondra
>> <tomas(dot)vondra(at)2ndquadrant(dot)com> wrote:
>>>
>>> Attached is v19 of the "multivariate stats" patch series - essentially
>>> v18
>>> rebased on top of current master. Aside from a few bug fixes, the main
>>> improvement is addition of SGML docs demonstrating the statistics in a
>>> way
>>> similar to the current "Row Estimation Examples" (and the docs are
>>> actually
>>> in the same section). I've tried to keep the right amount of technical
>>> detail (and pointing to the right README for additional details), but
>>> this
>>> may need improvements. I have not written docs explaining how statistics
>>> may
>>> be combined yet (more about this later).
>>
>>
>> What we have here is quite something:
>> $ git diff master --stat | tail -n1
>> 77 files changed, 12809 insertions(+), 65 deletions(-)
>> I will try to get familiar on the topic and added myself as a reviewer
>> of this patch. Hopefully I'll get feedback soon.
>
>
> Yes, it's a large patch. Although 25% of the insertions are SGML docs,
> regression tests and READMEs, and large part of the remaining ~9k insertions
> are comments. But it may still be overwhelming, no doubt about that.
>
> FWIW, if someone is interested in the patch but is unsure where to start,
> I'm ready to help with that as much as possible. For example if you happen
> to go to PostgresOpen, feel free to drag me to a corner and ask me as many
> questions as you want ...

Sure. Only PGconf SV is on my track this year.
--
Michael