pg.ddx.io  pgsql-hackers@postgresql.org mailing list archive  

help / color / mirror / Atom feed
From: Tomas Vondra <tomas.vondra@2ndquadrant.com>
To: Josh Berkus <josh@agliodbs.com>
To: pgsql-hackers <pgsql-hackers@postgresql.org>
Cc: Jeff Janes <jeff.janes@gmail.com>
Cc: Stephen Frost <sfrost@snowman.net>
Cc: Kyotaro HORIGUCHI <horiguchi.kyotaro@lab.ntt.co.jp>
Subject: Re: multivariate statistics / patch v7
Date: Thu, 24 Sep 2015 18:58:42 +0200
Message-ID: <56042BC2.6030201@2ndquadrant.com> (raw)
In-Reply-To: <56042827.6080602@agliodbs.com>
References: <54C3FED3.1060600@2ndquadrant.com>
	<20150320.173307.249113775.horiguchi.kyotaro@lab.ntt.co.jp>
	<550C8E50.2010600@2ndquadrant.com>
	<20150324.143427.34552953.horiguchi.kyotaro@lab.ntt.co.jp>
	<5519E9B2.5080105@2ndquadrant.com>
	<CAMkU=1znGN-6-j9GAAM7XqgAYPNBfOMBWq5_6Hzym8bdVB4_iw@mail.gmail.com>
	<20150428161310.GR30322@tamriel.snowman.net>
	<CAMkU=1xrzZt3YGiux0tNkvXKGu4Jt3proMS+_X+UQhpB+qQ2Hw@mail.gmail.com>
	<553FCE56.2000008@2ndquadrant.com>
	<554A73A6.2060603@2ndquadrant.com>
	<55638982.40904@2ndquadrant.com>
	<WM!bdce762a9eb3c133829c01f4a03b823f03e911e18e83918d922f86f1fac1a39f3616449d62794182170e9765f10776f2!@asav-3.01.com>
	<56042827.6080602@agliodbs.com>
List-Unsubscribe: <mailto:majordomo@postgresql.org?body=unsub%20pgsql-hackers>

Hi,

On 09/24/2015 06:43 PM, Josh Berkus wrote:
> 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.

Yes, it should handle varlena OK. Let me know if you need help with 
that, and I'd like to hear feedback - whether it fixed your test case or 
not, etc.

regards

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


-- 
Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org)
To make changes to your subscription:
http://www.postgresql.org/mailpref/pgsql-hackers



view thread (21+ messages)

Message-ID: <56042BC2.6030201@2ndquadrant.com>
Permalink:  ../56042BC2.6030201@2ndquadrant.com/
Also on:    postgresql.org/message-id/56042BC2.6030201@2ndquadrant.com

 · 

reply
Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Reply to all the recipients using the --to and --cc options:
  reply via email

  To: pgsql-hackers@postgresql.org
  Cc: tomas.vondra@2ndquadrant.com, josh@agliodbs.com, jeff.janes@gmail.com, sfrost@snowman.net, horiguchi.kyotaro@lab.ntt.co.jp
  Subject: Re: multivariate statistics / patch v7
  In-Reply-To: <56042BC2.6030201@2ndquadrant.com>

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

This inbox is served by DDX for PostgreSQL; see mirroring instructions
for how to clone and mirror all data and code used for this inbox