Horton

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

Michael Paquier <michael@paquier.xyz>

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From: Michael Paquier <michael@paquier.xyz>
To: Andres Freund <andres@anarazel.de>
Cc: David Rowley <david.rowley@2ndquadrant.com>, Tomas Vondra <tomas.vondra@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: 2019-02-04T04:53:17Z
Lists: pgsql-hackers 
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.
--
Michael

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