Horton

Re: Using multiple extended statistics for estimates

Mark Dilger <hornschnorter@gmail.com>

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From: Mark Dilger <hornschnorter@gmail.com>
To: Tomas Vondra <tomas.vondra@2ndquadrant.com>
Cc: PostgreSQL Hackers <pgsql-hackers@postgresql.org>
Date: 2019-11-13T18:04:36Z
Lists: pgsql-hackers

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On 11/13/19 7:28 AM, Tomas Vondra wrote:
> Hi,
> 
> here's an updated patch, with some minor tweaks based on the review and
> added tests (I ended up reworking those a bit, to make them more like
> the existing ones).

Thanks, Tomas, for the new patch set!

Attached are my review comments so far, in the form of a patch applied 
on top of yours.

-- 
Mark Dilger

Commits

  1. Apply multiple multivariate MCV lists when possible

  2. Apply all available functional dependencies