Re: Multivariate MCV list vs. statistics target

From: Tomas Vondra <tomas(dot)vondra(at)2ndquadrant(dot)com>
To: Dean Rasheed <dean(dot)a(dot)rasheed(at)gmail(dot)com>
Cc: PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>
Subject: Re: Multivariate MCV list vs. statistics target
Date: 2019-07-06 22:02:38
Message-ID: 20190706220238.7a2ks2tiiecfruby@development
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apparently v1 of the ALTER STATISTICS patch was a bit confused about
length of the VacAttrStats array passed to statext_compute_stattarget,
causing segfaults. Attached v2 patch fixes that, and it also makes sure
we print warnings about ignored statistics only once.


Tomas Vondra
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services

Attachment Content-Type Size
alter-statistics-v2.patch text/plain 22.0 KB

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