| From: | James Coleman <jtc331(at)gmail(dot)com> |
|---|---|
| To: | Tomas Vondra <tomas(dot)vondra(at)2ndquadrant(dot)com> |
| Cc: | Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, 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 21:20:53 |
| Message-ID: | CAAaqYe8cFDFo4j535GYgds5QWv=UTL63zyd1t7ChCDLB6tRSgQ@mail.gmail.com |
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On Mon, Apr 6, 2020 at 5:12 PM Tomas Vondra
<tomas(dot)vondra(at)2ndquadrant(dot)com> wrote:
>
> On Mon, Apr 06, 2020 at 04:54:38PM -0400, Alvaro Herrera wrote:
> >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.
> >
>
> Yes, there's a thinko in show_incremental_sort_info() and it returns too
> soon. I'll push a fix in a minute.
I'm stepping through this in a debugger; is what you're considering
that the for loop through the workers is off by one?
James
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