Horton

Re: Parallel Full Hash Join

Thomas Munro <thomas.munro@gmail.com>

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From: Thomas Munro <thomas.munro@gmail.com>
To: Ian Lawrence Barwick <barwick@gmail.com>
Cc: Melanie Plageman <melanieplageman@gmail.com>, Justin Pryzby <pryzby@telsasoft.com>, vignesh C <vignesh21@gmail.com>, Greg Nancarrow <gregn4422@gmail.com>, Masahiko Sawada <sawada.mshk@gmail.com>, pgsql-hackers <pgsql-hackers@postgresql.org>
Date: 2022-11-17T07:14:07Z
Lists: pgsql-hackers 
On Thu, Nov 17, 2022 at 5:22 PM Ian Lawrence Barwick <barwick@gmail.com> wrote:
> This patch is marked as "Waiting for Committer" in the current commitfest [1]
> with yourself as committer; do you have any plans to move ahead with this?

Yeah, sorry for lack of progress.  Aiming to get this in shortly.

Commits

  1. Remove overzealous assertion from PHJ.

  2. Remove comment obsoleted by 11c2d6fd.

  3. Parallel Hash Full Join.

  4. Improve the naming of Parallel Hash Join phases.

  5. Update the names of Parallel Hash Join phases.

  6. Add BarrierArriveAndDetachExceptLast().

  7. Mop-up for wait event naming issues.

  8. Push tuple limits through Gather and Gather Merge.