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help / color / mirror / Atom feedFrom: Richard Guo <[email protected]>
To: Melanie Plageman <[email protected]>
Cc: Nathan Bossart <[email protected]>
Cc: Tom Lane <[email protected]>
Cc: Amit Langote <[email protected]>
Cc: Vik Fearing <[email protected]>
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Cc: Álvaro Herrera <[email protected]>
Cc: Heikki Linnakangas <[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: Fri, 1 May 2026 09:26:32 +0900
Message-ID: <CAMbWs4_n8f2kPHkEw=ToZMh2FAzc6BDXq9uND-iY9-MB_fE_Vg@mail.gmail.com> (raw)
In-Reply-To: <CAAKRu_YU542L_+_H1VFSTtLnj4Yo=GcXykyiw_6GZZiOEt5mVA@mail.gmail.com>
References: <[email protected]>
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<[email protected]>
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<aevLYeoSSgiwEiO-@nathan>
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On Fri, May 1, 2026 at 7:05 AM Melanie Plageman
<[email protected]> wrote:
> On Fri, Apr 24, 2026 at 3:58 PM Nathan Bossart <[email protected]> wrote:
> > On Thu, Apr 23, 2026 at 09:55:10AM +0900, Richard Guo wrote:
> > >> Hi RMT,
> > >>
> > >> I'd like to commit a fix for JSON_ARRAY(subquery) behavior that
> > >> involves a user-visible incompatibility, and would appreciate your
> > >> go/no-go since we're past feature freeze.
> > >>
> > >> Summary:
> > >>
> > >> - JSON_ARRAY(SELECT ...) currently returns NULL over an empty result
> > >> set, but the SQL/JSON standard requires it to return '[]'. Fixing
> > >> this changes user-visible output.
> > >>
> > >> - The same patch also fixes a deparsing issue: views defined with
> > >> JSON_ARRAY(SELECT ...) are dumped back as the internal JSON_ARRAYAGG
> > >> rewrite instead of the original syntax.
> > I am fine with committing this for v19, assuming there is consensus on the
> > patch content.
> >
> > Heikki/Melanie: Any objections?
> Nope. I'm +1 on committing this now. 19 is unreleased -- I see no
> reason to wait a year.
Thank you, Nathan and Melanie. I now have two of the three RMT
approvals, so I believe I'm good to go. Will commit this shortly.
- 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>
In-Reply-To: <CAMbWs4_n8f2kPHkEw=ToZMh2FAzc6BDXq9uND-iY9-MB_fE_Vg@mail.gmail.com>
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