Horton

Re: PoC: Partial sort

Marti Raudsepp <marti@juffo.org>

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From: Marti Raudsepp <marti@juffo.org>
To: Alexander Korotkov <aekorotkov@gmail.com>
Cc: Andreas Karlsson <andreas@proxel.se>, David Rowley <dgrowleyml@gmail.com>, pgsql-hackers <pgsql-hackers@postgresql.org>, Andres Freund <andres@2ndquadrant.com>, Martijn van Oosterhout <kleptog@svana.org>
Date: 2014-01-28T10:36:54Z
Lists: pgsql-hackers 
On Tue, Jan 28, 2014 at 7:51 AM, Alexander Korotkov
<aekorotkov@gmail.com> wrote:
> I didn't test it, but I worry that overhead might be high.
> If it's true then it could be like constraint_exclusion option which id off
> by default because of planning overhead.

I see, that makes sense.

I will try to find the time to run some benchmarks in the coming few days.

Regards,
Marti

Commits

  1. Implement Incremental Sort

  2. Improve memory management for external sorts.