Re: Is select_outer_pathkeys_for_merge() too strict now we have Incremental Sorts?

David Rowley <dgrowleyml@gmail.com>

From: David Rowley <dgrowleyml@gmail.com>
To: PostgreSQL Developers <pgsql-hackers@lists.postgresql.org>
Date: 2022-07-20T03:56:53Z
Lists: pgsql-hackers

Attachments

On Wed, 20 Jul 2022 at 15:02, David Rowley <dgrowleyml@gmail.com> wrote:
> I've attached a patch for this and it changes the plan for the above query to:

Looks like I based that patch on the wrong branch.

Here's another version of the patch that's based on master.

David

Commits

  1. Relax overly strict rules in select_outer_pathkeys_for_merge()