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Re: pg18 bug? SELECT query doesn't work

Eric Ridge <eebbrr@gmail.com>

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From: Eric Ridge <eebbrr@gmail.com>
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: pgsql-general <pgsql-general@postgresql.org>, Richard Guo <guofenglinux@gmail.com>
Date: 2026-01-06T19:25:07Z
Lists: pgsql-hackers, pgsql-general 
> On Jan 6, 2026, at 1:52 PM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
> 
> Eric Ridge <eebbrr@gmail.com> writes:
>> Here's an even more reduced test case.  No tables or data:
> 
> I agree that this is a bug.  "git bisect" says it broke at

Thanks for the confirmation and your investigation.

Also, thanks for all you (all of you!) do for Postgres.  Many in the world, myself included, wouldn't be where we are in life without your work.

eric

Commits

Same data as JSON: GET /api/v1/messages/:b64id/commits the thread's linked commits as JSON, with link sources. API reference →

  1. Fix unsafe pushdown of quals referencing grouping Vars

  2. Introduce an RTE for the grouping step