Horton

Re: [HACKERS] PATCH: multivariate histograms and MCV lists

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

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From: Tomas Vondra <tomas.vondra@2ndquadrant.com>
To: Michael Paquier <michael@paquier.xyz>, Andres Freund <andres@anarazel.de>
Cc: David Rowley <david.rowley@2ndquadrant.com>, Dean Rasheed <dean.a.rasheed@gmail.com>, Thomas Munro <thomas.munro@enterprisedb.com>, Bruce Momjian <bruce@momjian.us>, Alvaro Herrera <alvherre@2ndquadrant.com>, Mark Dilger <hornschnorter@gmail.com>, Pg Hackers <pgsql-hackers@postgresql.org>
Date: 2019-02-04T10:02:40Z
Lists: pgsql-hackers 

On 2/4/19 5:53 AM, Michael Paquier wrote:
> On Sun, Feb 03, 2019 at 02:43:24AM -0800, Andres Freund wrote:
>> Are you planning to update the patch, or should the entry be marked as
>> RWF?
> 
> Moved the patch to next CF for now, waiting on author as the last
> review happened not so long ago.

Thanks. Yes, I intend to send a new patch version soon.

regards

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

Commits

  1. Convert pre-existing stats_ext tests to new style

  2. Add support for multivariate MCV lists

  3. Improve ANALYZE's strategy for finding MCVs.

  4. Clone extended stats in CREATE TABLE (LIKE INCLUDING ALL)

  5. Try again to fix accumulation of parallel worker instrumentation.

  6. Adjust psql \d query to avoid use of @> operator.

  7. Message style fixes

  8. Add security checks to selectivity estimation functions