Re: multivariate statistics / patch v7

From: Josh Berkus <josh(at)agliodbs(dot)com>
To: Tomas Vondra <tomas(dot)vondra(at)2ndquadrant(dot)com>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>
Cc: Jeff Janes <jeff(dot)janes(at)gmail(dot)com>, Stephen Frost <sfrost(at)snowman(dot)net>, Kyotaro HORIGUCHI <horiguchi(dot)kyotaro(at)lab(dot)ntt(dot)co(dot)jp>
Subject: Re: multivariate statistics / patch v7
Date: 2015-09-24 16:43:19
Message-ID: 56042827.6080602@agliodbs.com
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Tomas,

> attached is v7 of the multivariate stats patch. The main improvement is
> major refactoring of the clausesel.c portion - splitting the awfully
> long spaghetti-style functions into smaller pieces, making it much more
> understandable etc.

So presumably v7 handles varlena attributes as well, yes? I have a
destruction test case for correlated column stats, so I'd like to test
your patch on it.

--
Josh Berkus
PostgreSQL Experts Inc.
http://pgexperts.com

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