Re: Incorrect result of bitmap heap scan.

Matthias van de Meent <boekewurm+postgres@gmail.com>

From: Matthias van de Meent <boekewurm+postgres@gmail.com>
To: Andres Freund <andres@anarazel.de>
Cc: vignesh C <vignesh21@gmail.com>, Peter Geoghegan <pg@bowt.ie>, Tom Lane <tgl@sss.pgh.pa.us>, Andrew Dunstan <andrew@dunslane.net>, Melanie Plageman <melanieplageman@gmail.com>, Thomas Munro <thomas.munro@gmail.com>, Konstantin Knizhnik <knizhnik@garret.ru>, PostgreSQL Hackers <pgsql-hackers@postgresql.org>, Alexander Kuzmenkov <akuzmenkov@timescale.com>
Date: 2025-04-02T16:20:57Z
Lists: pgsql-hackers
On Wed, 2 Apr 2025 at 17:37, Andres Freund <andres@anarazel.de> wrote:
>
> Hi,
>
> Matthias, any chance you can provide a rebased version for master?

Sure, I'll try to have it in your inbox later today CEST.

> Either way I'm planning to push this fairly soon.

OK, thanks!

Kind regards,

Matthias van de Meent
Neon (https://neon.tech)



Commits

  1. Add test for HeapBitmapScan's broken skip_fetch optimization

  2. Remove HeapBitmapScan's skip_fetch optimization

  3. Allow bitmap scans to operate as index-only scans when possible.