Horton

Re: PoC: Partial sort

Marti Raudsepp <marti@juffo.org>

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From: Marti Raudsepp <marti@juffo.org>
To: Robert Haas <robertmhaas@gmail.com>
Cc: Alexander Korotkov <aekorotkov@gmail.com>, 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: 2014-02-06T19:32:50Z
Lists: pgsql-hackers 
On Thu, Feb 6, 2014 at 9:15 PM, Robert Haas <robertmhaas@gmail.com> wrote:
> It may be that having the capability to do a
> partial sort makes it seem worth spending more CPU looking for merge
> joins, but I'd vote for making any such change a separate patch.

Agreed.

Alexander, should I work on splitting up the patch in two, or do you
want to do it yourself?

Should I merge my coding style and enable_partialsort patches while at
it, or do you still have reservations about those?

Regards,
Marti

Commits

  1. Implement Incremental Sort

  2. Improve memory management for external sorts.