Subject: Re: multivariate statistics (v19)
To: Amit Langote <Langote_Amit_f8@lab.ntt.co.jp>,
 Alvaro Herrera <alvherre@2ndquadrant.com>
References: <20170130203714.latitwfmrzukgugh@alvherre.pgsql>
 <c2e06040-3b23-72a3-028c-ec54147b2aab@2ndquadrant.com>
 <3d2c8ff5-89cf-b3cc-3a91-29761046022d@lab.ntt.co.jp>
Cc: Dilip Kumar <dilipbalaut@gmail.com>,
 Dean Rasheed <dean.a.rasheed@gmail.com>, Heikki Linnakangas
 <hlinnaka@iki.fi>, Michael Paquier <michael.paquier@gmail.com>,
 Robert Haas <robertmhaas@gmail.com>, Tatsuo Ishii <ishii@postgresql.org>,
 David Steele <david@pgmasters.net>, Tom Lane <tgl@sss.pgh.pa.us>,
 Petr Jelinek <petr@2ndquadrant.com>, Jeff Janes <jeff.janes@gmail.com>,
 "pgsql-hackers@postgresql.org" <pgsql-hackers@postgresql.org>
From: Tomas Vondra <tomas.vondra@2ndquadrant.com>
Message-ID: <2b6afa80-aa4a-0ae2-e558-b5d58cff8cfa@2ndquadrant.com>
Date: Tue, 31 Jan 2017 17:10:24 +0100
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On 01/31/2017 07:52 AM, Amit Langote wrote:
> On 2017/01/31 6:57, Tomas Vondra wrote:
>> On 01/30/2017 09:37 PM, Alvaro Herrera wrote:
>>> Looks good to me.  I don't think we need to keep the names very short --
>>> I would propose "standistinct", "stahistogram", "stadependencies".
>>>
>>
>> Yeah, I got annoyed by the short names too.
>>
>> This however reminds me that perhaps pg_mv_statistic is not the best name.
>> I know others proposed pg_statistic_ext (and pg_stats_ext), and while I
>> wasn't a big fan initially, I think it's a better name. People generally
>> don't know what 'multivariate' means, while 'extended' is better known
>> (e.g. because Oracle uses it for similar stuff).
>>
>> So I think I'll switch to that name too.
>
> +1 to pg_statistics_ext. Maybe, even pg_statistics_extended, however
> being that verbose may not be warranted.
>

Yeah, I think pg_statistic_extended / pg_stats_extended seems fine.


regards

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


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