Re: Some optimizations for COALESCE expressions during constant folding

From: "Matheus Alcantara" <matheusssilv97(at)gmail(dot)com>
To: "Richard Guo" <guofenglinux(at)gmail(dot)com>, "Matheus Alcantara" <matheusssilv97(at)gmail(dot)com>
Cc: "David Rowley" <dgrowleyml(at)gmail(dot)com>, "Pg Hackers" <pgsql-hackers(at)lists(dot)postgresql(dot)org>
Subject: Re: Some optimizations for COALESCE expressions during constant folding
Date: 2025-12-15 22:09:06
Message-ID: DEZ4TAE69J9S.2VS1IRVUQA4OP@gmail.com
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On Thu Dec 11, 2025 at 11:17 PM -03, Richard Guo wrote:
> On Thu, Dec 11, 2025 at 11:54 PM Matheus Alcantara
> <matheusssilv97(at)gmail(dot)com> wrote:
>> I think that this patch needs a rebase due to the changes on
>> predicate.sql introduced by c925ad30b04.
>
> Right. Here it is.
>
Thanks for the new version.

The patches seems all in a good shape. I've checked the code coverage
for the new tests added and all of then seems to exercice the new code.

I've also performed some manual tests and it's looks good. I don't see
any issue or regression.

--
Matheus Alcantara
EDB: http://www.enterprisedb.com

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