Horton

Re: PoC: Partial sort

Peter Geoghegan <pg@heroku.com>

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From: Peter Geoghegan <pg@heroku.com>
To: Alexander Korotkov <aekorotkov@gmail.com>
Cc: Andreas Karlsson <andreas@proxel.se>, David Rowley <dgrowleyml@gmail.com>, Marti Raudsepp <marti@juffo.org>, Robert Haas <robertmhaas@gmail.com>, pgsql-hackers <pgsql-hackers@postgresql.org>, Andres Freund <andres@2ndquadrant.com>, Martijn van Oosterhout <kleptog@svana.org>
Date: 2015-10-29T07:44:31Z
Lists: pgsql-hackers 
On Tue, Oct 20, 2015 at 4:17 AM, Alexander Korotkov
<aekorotkov@gmail.com> wrote:
> Planner regression is fixed in the attached version of patch. It appears
> that get_cheapest_fractional_path_for_pathkeys() behaved wrong when no
> ordering is required.

I don't see an entry in the CF app for this. This seems like something
I should review, though.

-- 
Peter Geoghegan

Commits

  1. Implement Incremental Sort

  2. Improve memory management for external sorts.