Re: Extended statistics improvement: multi-column MCV missing values

From: Enrique Sánchez <enriqueesanchz(at)gmail(dot)com>
To: "pgsql-hackers(at)lists(dot)postgresql(dot)org" <pgsql-hackers(at)lists(dot)postgresql(dot)org>
Cc: Chengpeng Yan <chengpeng_yan(at)outlook(dot)com>, Zsolt Parragi <zsolt(dot)parragi(at)percona(dot)com>, Ilia Evdokimov <ilya(dot)evdokimov(at)tantorlabs(dot)com>
Subject: Re: Extended statistics improvement: multi-column MCV missing values
Date: 2026-07-13 21:52:39
Message-ID: CAOCkzA=yJYhoKeSQKe-8OCkFdFFWbW3fCZFX+CqasT5MqybdWg@mail.gmail.com
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Hi, I've rebased my patch as [1] got merged.

[1]
https://www.postgresql.org/message-id/flat/d639aede-209f-412b-927a-d38d4848b370%40eisentraut.org

Best regards,
Enrique.

Attachment Content-Type Size
v6-0002-Use-ndistinct-to-cap-non-MCV-values.patch text/x-patch 13.2 KB
v6-0001-Cap-selectivity-when-values-are-not-in-multi-colu.patch text/x-patch 11.5 KB

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