From: Alvaro Herrera <alvherre@2ndquadrant.com>
To: Tomas Vondra <tomas.vondra@enterprisedb.com>
Cc: Tatsuro Yamada <tatsuro.yamada.tf@nttcom.co.jp>
Cc: Tomas Vondra <tomas.vondra@2ndquadrant.com>
Cc: Michael Paquier <michael@paquier.xyz>
Cc: Pavel Stehule <pavel.stehule@gmail.com>
Cc: Julien Rouhaud <rjuju123@gmail.com>
Cc: PostgreSQL Hackers <pgsql-hackers@lists.postgresql.org>
Subject: Re: list of extended statistics on psql
Date: Thu, 7 Jan 2021 11:47:13 -0300
Message-ID: <20210107144713.GA8872@alvherre.pgsql> (raw)
In-Reply-To: <b4172dc6-ac72-fa81-4a8a-3ca93cec7ccb@enterprisedb.com>
On 2021-Jan-07, Tomas Vondra wrote:
> On 1/7/21 1:46 AM, Tatsuro Yamada wrote:
> > I overlooked the check for MCV in the logic building query
> > because I created the patch as a new feature on PG14.
> > I'm not sure whether we should do back patch or not. However, I'll
> > add the check on the next patch because it is useful if you decide to
> > do the back patch on PG10, 11, 12, and 13.
>
> BTW perhaps a quick look at the other \d commands would show if there are
> precedents. I didn't have time for that.
Yes, we do promise that new psql works with older servers.
I think we would not backpatch any of this, though.
--
Álvaro Herrera
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To: pgsql-hackers@postgresql.org
Cc: alvherre@2ndquadrant.com, tomas.vondra@enterprisedb.com, tatsuro.yamada.tf@nttcom.co.jp, tomas.vondra@2ndquadrant.com, michael@paquier.xyz, pavel.stehule@gmail.com, rjuju123@gmail.com, pgsql-hackers@lists.postgresql.org
Subject: Re: list of extended statistics on psql
In-Reply-To: <20210107144713.GA8872@alvherre.pgsql>
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