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From: Richard Guo <[email protected]>
To: Amit Langote <[email protected]>
Cc: Tom Lane <[email protected]>
Cc: Vik Fearing <[email protected]>
Cc: [email protected]
Cc: [email protected]
Cc: Álvaro Herrera <[email protected]>
Subject: Re: BUG #19418: SQL/JSON JSON_VALUE() does not conform to ISO/IEC 9075-2:2023(E) 6.34 <JSON value constructor>
Date: Tue, 21 Apr 2026 10:12:55 +0900
Message-ID: <CAMbWs48KEdgyJhxCOysaRdRJ5NzPObUET+5XbvyiqDfqyABEwg@mail.gmail.com> (raw)
In-Reply-To: <CAMbWs49tDE_niKLr4mzsa2BkX7fkWrorBzWheKTBziZ7z9-AuQ@mail.gmail.com>
References: <[email protected]>
	<[email protected]>
	<CAMbWs4_4Zc7O4pCU_nJU_8=Y2bOS3sEXJR=WH39Kc__UuaCW3w@mail.gmail.com>
	<CAMbWs4_f-4BqvfKTt0YbkOky+Gf0Mpi2kCT3CAE8brZFnK275Q@mail.gmail.com>
	<CAMbWs4-y4CEy66yA-Hh+6Snqbok3XTMFj5h87gUk_15Hhjd3qw@mail.gmail.com>
	<[email protected]>
	<CAMbWs49P2z40f5yb_97ErwtC9ocdR5QQN0gWUZtjgot9+iGAcg@mail.gmail.com>
	<CAMbWs4-NuYP+0Zq9=Ufwy5GcM0XQnEqWjJFucaRGO4EQgiCcow@mail.gmail.com>
	<CAMbWs4-ra9mkBhUs2kmB5KxWuo80oAA33gZ=8JmRxmG3qGNxUg@mail.gmail.com>
	<CA+HiwqEtiTNV2v2P0HGa0B1TMNfmPweKXMZEOYPoQuFf3ZhsXQ@mail.gmail.com>
	<CAMbWs49tDE_niKLr4mzsa2BkX7fkWrorBzWheKTBziZ7z9-AuQ@mail.gmail.com>

On Tue, Apr 21, 2026 at 9:57 AM Richard Guo <[email protected]> wrote:
> On Mon, Apr 20, 2026 at 6:05 PM Amit Langote <[email protected]> wrote:
> > Agreed that v4 is the better direction.

> Thanks for review!

Another question I'd like to raise: is it OK to commit this patch to
master given that feature freeze has passed?  I think the answer is
yes, because this is arguably a bug fix rather than a new feature.
However, it does change user-visible behavior, and existing app code
that relies on the NULL behavior would break.  So if we commit it, we
need to add in the release notes about this incompatibility.

Thoughts?

- Richard

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  Subject: Re: BUG #19418: SQL/JSON JSON_VALUE() does not conform to ISO/IEC 9075-2:2023(E) 6.34 <JSON value constructor>
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