Re: list of extended statistics on psql

From: Tomas Vondra <tomas(dot)vondra(at)2ndquadrant(dot)com>
To: Tatsuro Yamada <tatsuro(dot)yamada(dot)tf(at)nttcom(dot)co(dot)jp>
Cc: Michael Paquier <michael(at)paquier(dot)xyz>, Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com>, Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>, Julien Rouhaud <rjuju123(at)gmail(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>
Subject: Re: list of extended statistics on psql
Date: 2020-10-28 19:06:01
Message-ID: 20201028190601.bbshe6dhp32767q7@development
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On Wed, Oct 28, 2020 at 03:07:56PM +0900, Tatsuro Yamada wrote:
>Hi Michael-san and Hackers,
>On 2020/09/30 15:19, Michael Paquier wrote:
>>On Thu, Sep 17, 2020 at 02:55:31PM +0900, Michael Paquier wrote:
>>>Could you provide at least a rebased version of the patch? The CF bot
>>>is complaning here.
>>Not seeing this answered after two weeks, I have marked the patch as
>>RwF for now.
>Sorry for the delayed reply.
>I re-based the patch on the current head and did some
>I think the size of extended stats are not useful for DBA.
>Should I remove it?

I think it's an interesting / useful information, I'd keep it (in the
\dX+ output only, of course). But I think it needs to print the size
similarly to \d+, i.e. using pg_size_pretty - that'll include the unit
and make it more readable for large stats.


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

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