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From: Alexander Kuzmenkov <a.kuzmenkov@postgrespro.ru>
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: Alexey Chernyshov <a.chernyshov@postgrespro.ru>
Cc: pgsql-hackers@postgresql.org
Subject: Re: index-only count(*) for indexes supporting bitmap scans
Date: Mon, 13 Nov 2017 11:34:17 +0300
Message-ID: <0512c28b-ff31-c7c8-9f03-39338976cd23@postgrespro.ru> (raw)
In-Reply-To: <5974.1509573988@sss.pgh.pa.us>
References: <239a8955-c0fc-f506-026d-c837e86c827b@postgrespro.ru>
	<122a32e4-73bd-ec85-9dad-a72729635c65@postgrespro.ru>
	<20170904121730.18925.18766.pgcf@coridan.postgresql.org>
	<a6434d5c-ed8d-b09c-a7c3-b2d1677e35b3@postgrespro.ru>
	<5974.1509573988@sss.pgh.pa.us>
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> I've pushed the executor part of this, but mostly not the planner part,
> because I didn't think the latter was anywhere near ready for prime
> time: the regression test changes it was causing were entirely bogus.
>
Hi Tom,

Thanks for the commit and the explanation. I'll try to address your 
comments if I continue working on the planner part.

-- 

Alexander Kuzmenkov
Postgres Professional: http://www.postgrespro.com
The Russian Postgres Company



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