Re: Tid scan improvements

David Rowley <david.rowley@2ndquadrant.com>

From: David Rowley <david.rowley@2ndquadrant.com>
To: Thomas Munro <thomas.munro@gmail.com>
Cc: David Steele <david@pgmasters.net>, Edmund Horner <ejrh00@gmail.com>, Tom Lane <tgl@sss.pgh.pa.us>, Andres Freund <andres@anarazel.de>, Tomas Vondra <tomas.vondra@2ndquadrant.com>, PostgreSQL Developers <pgsql-hackers@lists.postgresql.org>
Date: 2019-07-04T03:43:31Z
Lists: pgsql-hackers
On Mon, 1 Jul 2019 at 23:29, Thomas Munro <thomas.munro@gmail.com> wrote:
> The new CF is here.  I'm going through poking threads for submissions
> that don't apply, but it sounds like this needs more than a rebase?
> Perhaps this belongs in the next CF?

0001 and 0004 of v7 got pushed in PG12. The CFbot will be trying to
apply 0001 still, but on testing 0002, no joy there either.

It would be good to see this back in PG13. For now, I'll mark it as
waiting on author.

-- 
 David Rowley                   http://www.2ndQuadrant.com/
 PostgreSQL Development, 24x7 Support, Training & Services



Commits

  1. Add TID Range Scans to support efficient scanning ranges of TIDs

  2. Improve planner's selectivity estimates for inequalities on CTID.