Re: Performance improvement for joins where outer side is unique

From: David Rowley <david(dot)rowley(at)2ndquadrant(dot)com>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Performance improvement for joins where outer side is unique
Date: 2017-01-31 00:13:56
Message-ID: CAKJS1f9B7-MXVc7c5SOd5SP6jhMuTBO5ZuCBnuQ-e7mQ+Q5qsg@mail.gmail.com
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On 31 January 2017 at 13:10, David Rowley <david(dot)rowley(at)2ndquadrant(dot)com> wrote:
> I've attached a patch which implements this.

Please disregards previous patch. (I forgot git commit before git diff
to make the patch)

I've attached the correct patch.

--
David Rowley http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training & Services

Attachment Content-Type Size
unique_joins_2017-01-31a.patch application/octet-stream 84.6 KB

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