Re: [WIP] Better partial index-only scans

From: Robert Haas <robertmhaas(at)gmail(dot)com>
To: Joshua Yanovski <pythonesque(at)gmail(dot)com>
Cc: "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: [WIP] Better partial index-only scans
Date: 2014-03-18 20:06:02
Message-ID: CA+TgmoZBrTqL7-rSt6+j35zY37Kroh9-9oEUeBAcasK=HQTPDA@mail.gmail.com
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On Mon, Mar 17, 2014 at 3:14 AM, Joshua Yanovski <pythonesque(at)gmail(dot)com> wrote:
> Here's a SQL script that (1) demonstrates the new index only scan
> functionality, and (2) at least on my machine, has a consistently
> higher planning time for the version with my change than without it.

I'm glad you're looking at this, but we're in the final throws of
nailing down 9.4 and I don't have anticipate I'll have time to look at
it in the near future. You should add it here so we don't forget
about it:

https://commitfest.postgresql.org/action/commitfest_view/open

And you might also check this:
https://wiki.postgresql.org/wiki/Submitting_a_Patch

--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company

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