Re: Performance improvement for joins where outer side is unique

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: David Rowley <david(dot)rowley(at)2ndquadrant(dot)com>
Cc: PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Performance improvement for joins where outer side is unique
Date: 2017-04-08 02:23:31
Message-ID: 2195.1491618211@sss.pgh.pa.us
Views: Raw Message | Whole Thread | Download mbox
Thread:
Lists: pgsql-hackers

David Rowley <david(dot)rowley(at)2ndquadrant(dot)com> writes:
[ unique_joins_2017-04-07b.patch ]

It turned out that this patch wasn't as close to committable as I'd
thought, but after a full day of whacking at it, I got to a place
where I thought it was OK. So, pushed.

[ and that's a wrap for v10 feature freeze, I think ]

regards, tom lane

In response to

Responses

Browse pgsql-hackers by date

  From Date Subject
Next Message Thomas Munro 2017-04-08 02:24:40 Re: recent deadlock regression test failures
Previous Message Claudio Freire 2017-04-08 02:19:42 Re: Vacuum: allow usage of more than 1GB of work mem