Re: Additional improvements to extended statistics - Mailing list pgsql-hackers

From Tomas Vondra
Subject Re: Additional improvements to extended statistics
Date
Msg-id 20200703011030.smzijlphrjjodhxx@development
Whole thread Raw
In response to Re: Additional improvements to extended statistics  (Daniel Gustafsson <daniel@yesql.se>)
Responses Re: Additional improvements to extended statistics  (Tomas Vondra <tomas.vondra@2ndquadrant.com>)
List pgsql-hackers
On Wed, Jul 01, 2020 at 01:19:40PM +0200, Daniel Gustafsson wrote:
>> On 24 Mar 2020, at 15:33, Tomas Vondra <tomas.vondra@2ndquadrant.com> wrote:
>>
>> On Tue, Mar 24, 2020 at 01:20:07PM +0000, Dean Rasheed wrote:
>
>>> Sounds like a reasonable approach, but I think it would be better to
>>> preserve the current public API by having clauselist_selectivity()
>>> become a thin wrapper around  a new function that optionally applies
>>> extended stats.
>>>
>>
>> OK, makes sense. I'll take a stab at it.
>
>Have you had time to hack on this?  The proposed patch no longer applies, so
>I've marked the entry Waiting on Author.

Yep, here's a rebased patch. This does not include the changes we've
discussed with Dean in March, but I plan to address that soon.


regards

-- 
Tomas Vondra                  http://www.2ndQuadrant.com
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services

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