Horton

Re: Tid scan improvements

Michael Paquier <michael@paquier.xyz>

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From: Michael Paquier <michael@paquier.xyz>
To: Edmund Horner <ejrh00@gmail.com>
Cc: Alvaro Herrera <alvherre@2ndquadrant.com>, David Rowley <david.rowley@2ndquadrant.com>, Andres Freund <andres@anarazel.de>, Thomas Munro <thomas.munro@gmail.com>, David Steele <david@pgmasters.net>, Tom Lane <tgl@sss.pgh.pa.us>, Tomas Vondra <tomas.vondra@2ndquadrant.com>, PostgreSQL Developers <pgsql-hackers@lists.postgresql.org>
Date: 2019-12-01T02:34:16Z
Lists: pgsql-hackers 
On Thu, Sep 05, 2019 at 01:06:56PM +1200, Edmund Horner wrote:
> So, I think we need to either get some help from someone familiar with
> heapam.c, or maybe shelve the patch.  It has been work in progress for
> over a year now.

Okay, still nothing has happened after two months.  Once this is
solved a new patch submission could be done.  For now I have marked
the entry as returned with feedback.  
--
Michael

Commits

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

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