Horton

Re: Multivariate MCV list vs. statistics target

Tomas Vondra <tomas.vondra@2ndquadrant.com>

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From: Tomas Vondra <tomas.vondra@2ndquadrant.com>
To: Alvaro Herrera <alvherre@2ndquadrant.com>
Cc: Thomas Munro <thomas.munro@gmail.com>, "Jamison, Kirk" <k.jamison@jp.fujitsu.com>, Dean Rasheed <dean.a.rasheed@gmail.com>, PostgreSQL Hackers <pgsql-hackers@lists.postgresql.org>
Date: 2019-09-10T22:28:12Z
Lists: pgsql-hackers 
On Tue, Sep 03, 2019 at 02:38:56PM -0400, Alvaro Herrera wrote:
>On 2019-Aug-01, Tomas Vondra wrote:
>
>> I'll move it to the next CF. Aside from the issues pointed by Kyotaro-san
>> in his review, I still haven't made my mind about whether to base the use
>> statistics targets set for the attributes. That's what we're doing now,
>> but I'm not sure it's a good idea after adding separate statistics target.
>> I wonder what Dean's opinion on this is, as he added the current logic.
>
>Latest patch no longer applies.  Please update.  And since you already
>seem to have handled all review comments since it was Ready for
>Committer, and you now know Dean's opinion on the remaining question,
>please get it pushed.
>

OK, I've pushed this the patch, after some minor polishing.


regards

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

Commits

  1. Allow setting statistics target for extended statistics