Re: [PATCH] Incremental sort (was: PoC: Partial sort)

From: Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: Tomas Vondra <tomas(dot)vondra(at)2ndquadrant(dot)com>, James Coleman <jtc331(at)gmail(dot)com>, Michael Paquier <michael(at)paquier(dot)xyz>, Rafia Sabih <rafia(dot)pghackers(at)gmail(dot)com>, Peter Geoghegan <pg(at)bowt(dot)ie>, Simon Riggs <simon(at)2ndquadrant(dot)com>, Shaun Thomas <shaun(dot)thomas(at)2ndquadrant(dot)com>, Dmitry Dolgov <9erthalion6(at)gmail(dot)com>, Alexander Korotkov <a(dot)korotkov(at)postgrespro(dot)ru>, PostgreSQL Developers <pgsql-hackers(at)lists(dot)postgresql(dot)org>, Andreas Karlsson <andreas(at)proxel(dot)se>
Subject: Re: [PATCH] Incremental sort (was: PoC: Partial sort)
Date: 2020-04-06 20:54:38
Message-ID: 20200406205438.GA30063@alvherre.pgsql
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On 2020-Apr-06, Tom Lane wrote:

> Locally, things pass without force_parallel_mode, but turning it on
> produces failures that look similar to rhinoceros's (didn't examine
> other BF members).

FWIW I looked at the eight failures there were about fifteen minutes ago
and they were all identical. I can confirm that, in my laptop, the
tests work without that GUC, and fail in exactly that way with it.

--
Álvaro Herrera https://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services

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