Horton

Re: Query result differences between PostgreSQL 17 vs 16

Bruce Momjian <bruce@momjian.us>

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From: Bruce Momjian <bruce@momjian.us>
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: Richard Guo <guofenglinux@gmail.com>, David Rowley <dgrowleyml@gmail.com>, Ronald Cruz <cruz@rentec.com>, pgsql-bugs@lists.postgresql.org, Peter Ford <pford@rentec.com>, "Aaron J. Garcia" <agarcia@rentec.com>
Date: 2025-03-12T01:56:03Z
Lists: pgsql-bugs 
On Tue, Mar 11, 2025 at 08:57:06PM -0400, Tom Lane wrote:
> Bruce Momjian <bruce@momjian.us> writes:
> > Well, I was trying to figure out if we should be changing the NULL
> > handling in 17.X, but now that you have done it with one patch, it seems
> > the above URL patch should also be applied and backpatched to 17, no?
> 
> If you want somebody to review that patch, shouldn't it be in the CF?

Uh, I wasn't sure if it would make it in the next minor release if I did
that.  Is it a good idea?

-- 
  Bruce Momjian  <bruce@momjian.us>        https://momjian.us
  EDB                                      https://enterprisedb.com

  Do not let urgent matters crowd out time for investment in the future.

Commits

  1. Avoid NullTest deduction for clone clauses

  2. Add better handling of redundant IS [NOT] NULL quals