Horton

Re: CLUSTER sort on abbreviated expressions is broken

Thomas Munro <thomas.munro@gmail.com>

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From: Thomas Munro <thomas.munro@gmail.com>
To: Peter Geoghegan <pg@bowt.ie>
Cc: John Naylor <john.naylor@enterprisedb.com>, pgsql-hackers <pgsql-hackers@postgresql.org>
Date: 2022-04-21T01:52:36Z
Lists: pgsql-hackers 
On Thu, Apr 21, 2022 at 12:18 PM Peter Geoghegan <pg@bowt.ie> wrote:
> On Tue, Apr 12, 2022 at 11:01 AM Peter Geoghegan <pg@bowt.ie> wrote:
> > Attached patch fixes the issue, and includes the test case that you posted.
>
> Pushed a similar patch just now. Backpatched to all supported branches.

Thanks.

Commits

  1. Fix CLUSTER tuplesorts on abbreviated expressions.

  2. Fix tuplesort optimization for CLUSTER-on-expression.