Horton

Re: Multivariate MCV list vs. statistics target

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

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From: Tomas Vondra <tomas.vondra@2ndquadrant.com>
To: Dean Rasheed <dean.a.rasheed@gmail.com>
Cc: PostgreSQL Hackers <pgsql-hackers@lists.postgresql.org>
Date: 2019-07-06T22:02:38Z
Lists: pgsql-hackers

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Hi,

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.


regards

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

Commits

  1. Allow setting statistics target for extended statistics