| From: | Tomas Vondra <tomas(dot)vondra(at)2ndquadrant(dot)com> |
|---|---|
| To: | James Coleman <jtc331(at)gmail(dot)com> |
| Cc: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Alvaro Herrera <alvherre(at)2ndquadrant(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 20:11:45 |
| Message-ID: | 20200406201145.ig56cdzrkt4u5mou@development |
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| Lists: | pgsql-hackers |
On Mon, Apr 06, 2020 at 09:57:22PM +0200, Tomas Vondra wrote:
>Hi,
>
>I've pushed the fist part of this patch series - I've reorganized it a
>bit by moving the add_partial_path changes to the end. That way I've
>been able to add regression test demonstrating impact of the change on
>plans involving incremental sort nodes (which wouldn't be possible when
>committing the add_partial_path first). I'll wait a bit before pushing
>the two additional parts, so that if something fails we know which bit
>caused it.
>
Hmmm, I see the buildfarm is not happy about it - a couple of animals
failed, but some succeeded. The failure seems like a simple difference
in explain output, but it's not clear why would it happen (and I've
ran the tests many times but never seen this failure).
Investigating.
--
Tomas Vondra http://www.2ndQuadrant.com
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
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