Re: [PG19] eager aggregation gives wrong results because of bpchar_ops - Mailing list pgsql-hackers

From Peter Geoghegan
Subject Re: [PG19] eager aggregation gives wrong results because of bpchar_ops
Date
Msg-id CAH2-Wz=-hrbj8WGDW=a38FRX14pGT75pb_7MSS2hSF_6HvTZ-w@mail.gmail.com
Whole thread
In response to Re: [PG19] eager aggregation gives wrong results because of bpchar_ops  (Tom Lane <tgl@sss.pgh.pa.us>)
Responses Re: [PG19] eager aggregation gives wrong results because of bpchar_ops
Re: [PG19] eager aggregation gives wrong results because of bpchar_ops
List pgsql-hackers
On Tue, Oct 6, 2026 at 8:41 PM Tom Lane <tgl@sss.pgh.pa.us> wrote:
> If you like, but my experience is that getting this right is pretty
> painful if you don't have a cross-version-upgrade-testing BF animal
> to experiment on.  I do ...

Something like the attached seems like it'd do the job.

But, yeah, realistically, the hard part is proper testing and
validation, which I lack the ability to do myself.

--
Peter Geoghegan

Attachment

pgsql-hackers by date:

Previous
From: Tom Lane
Date:
Subject: Re: [PG19] eager aggregation gives wrong results because of bpchar_ops
Next
From: shihao zhong
Date:
Subject: Re: REPACK (CONCURRENTLY): do not block the table while waiting for the final lock