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

From: Tomas Vondra <tomas(dot)vondra(at)2ndquadrant(dot)com>
To: James Coleman <jtc331(at)gmail(dot)com>
Cc: 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>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, PostgreSQL Developers <pgsql-hackers(at)lists(dot)postgresql(dot)org>, Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>
Subject: Re: [PATCH] Incremental sort (was: PoC: Partial sort)
Date: 2020-01-21 14:58:32
Message-ID: 20200121145832.mge2vqb6tid4lqxa@development
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On Tue, Jan 21, 2020 at 09:37:01AM -0500, James Coleman wrote:
>On Tue, Jan 21, 2020 at 9:25 AM Tomas Vondra
><tomas(dot)vondra(at)2ndquadrant(dot)com> wrote:
>>
>> Hi,
>>
>> This patch has been marked as WoA since end of November, and there has
>> been no discussion/reviews since then :-( Based on off-list discussion
>> with James I don't think that's going to change in this CF, so I'll move
>> it to the next CF.
>>
>> I plan to work on the planner part of this patch before 2020-03, with
>> the hope it can still make it into 13.
>
>In that off-list discussion I'd mentioned to Tomas that I would still
>like to work on this, just my other responsibilities at work have left
>me little time to work on the most important remaining part of this
>(the planner parts) since that requires a fair amount of focus and
>time.
>
>That being said, the patch also needs some more work on improving
>EXPLAIN ANALYZE output (perhaps min/max/mean or median of
>memory usage number of groups in each sort mode), and I think it's far
>more feasible that I can tackle that piecemeal before the next CF.
>

Sure, sorry if that was not clear from my message - you're of course
more than welcome to continue working on this. My understanding is that
won't happen by the end of this CF, hence the move to 2020-03.

regards

--
Tomas Vondra http://www.2ndQuadrant.com
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services

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