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From: Dmitry Dolgov <9erthalion6@gmail.com>
To: Andy Fan <zhihui.fan1213@gmail.com>
Cc: James Coleman <jtc331@gmail.com>
Cc: David Rowley <dgrowleyml@gmail.com>
Cc: Kyotaro Horiguchi <horikyota.ntt@gmail.com>
Cc: Tomas Vondra <tomas.vondra@2ndquadrant.com>
Cc: Floris Van Nee <florisvannee@optiver.com>
Cc: Peter Geoghegan <pg@bowt.ie>
Cc: Jesper Pedersen <jesper.pedersen@redhat.com>
Cc: Alvaro Herrera <alvherre@2ndquadrant.com>
Cc: Thomas Munro <thomas.munro@gmail.com>
Cc: Rafia Sabih <rafia.pghackers@gmail.com>
Cc: Jeff Janes <jeff.janes@gmail.com>
Cc: Bhushan Uparkar <bhushan.uparkar@gmail.com>
Cc: PostgreSQL-development <pgsql-hackers@postgresql.org>
Cc: Alexander Korotkov <a.korotkov@postgrespro.ru>
Subject: Re: Index Skip Scan
Date: Tue, 24 Mar 2020 17:42:21 +0100
Message-ID: <20200324164221.jsvlctinyq23ofxj@localhost> (raw)
In-Reply-To: <CAKU4AWp17_mnb1o8kZoc-cqvfmELs9bpeSXM9kroMgSy4xuRjg@mail.gmail.com>
References: <20200208131159.5sjcbcjnwdj4q7fa@development>
	<20200214.172313.259958375378013155.horikyota.ntt@gmail.com>
	<20200214121820.xvvrkdbykkygfs65@localhost>
	<20200217162451.nrpy5k63f5y2mwm6@localhost>
	<CAApHDvo2abVQOiZ6wf9ExhobvvhLGWZQha0uWRAMby1NOD1ccw@mail.gmail.com>
	<20200308142228.3zb237cd3oedspl2@localhost>
	<CAApHDvrMRHm3BoW0ZHHAmZY91HVSSkhv1zKSPfQF0QfkN7NdpQ@mail.gmail.com>
	<20200309195714.eum3b6e5mogqj3gm@localhost>
	<CAAaqYe9ELb1rKx06fuKom7aBLCoZ0-mB9FkojijXnucoV95WQQ@mail.gmail.com>
	<CAKU4AWp17_mnb1o8kZoc-cqvfmELs9bpeSXM9kroMgSy4xuRjg@mail.gmail.com>

> On Wed, Mar 11, 2020 at 06:56:09PM +0800, Andy Fan wrote:
>
> There was a dedicated thread  [1]  where David explain his idea very
> detailed, and you can also check that messages around that message for
> the context. hope it helps.

Thanks for pointing out to this thread! Somehow I've missed it, and now
looks like we need to make some efforts to align patches for index skip
scan and distincClause elimination.





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  Cc: 9erthalion6@gmail.com, zhihui.fan1213@gmail.com, jtc331@gmail.com, dgrowleyml@gmail.com, horikyota.ntt@gmail.com, tomas.vondra@2ndquadrant.com, florisvannee@optiver.com, pg@bowt.ie, jesper.pedersen@redhat.com, alvherre@2ndquadrant.com, thomas.munro@gmail.com, rafia.pghackers@gmail.com, jeff.janes@gmail.com, bhushan.uparkar@gmail.com, a.korotkov@postgrespro.ru
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