public inbox for [email protected]
help / color / mirror / Atom feedFrom: Nathan Bossart <[email protected]>
To: Richard Guo <[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]>
Cc: Melanie Plageman <[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, 24 Apr 2026 14:58:25 -0500
Message-ID: <aevLYeoSSgiwEiO-@nathan> (raw)
In-Reply-To: <CAMbWs49ps9eGWvkwc64ytUxdK0s-=xdFjtf64WyGp65EgTZ_LQ@mail.gmail.com>
References: <[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>
<CAMbWs48KEdgyJhxCOysaRdRJ5NzPObUET+5XbvyiqDfqyABEwg@mail.gmail.com>
<[email protected]>
<CAMbWs4_vqNEcHpvKFeFxfRoisrvw6yJ3styhS-arQDHZirw5cQ@mail.gmail.com>
<CAMbWs49ps9eGWvkwc64ytUxdK0s-=xdFjtf64WyGp65EgTZ_LQ@mail.gmail.com>
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?
--
nathan
reply
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Reply to all the recipients using the --to and --cc options:
reply via email
To: [email protected]
Cc: [email protected], [email protected], [email protected], [email protected], [email protected], [email protected], [email protected], [email protected], [email protected], [email protected], [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>
In-Reply-To: <aevLYeoSSgiwEiO-@nathan>
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
This inbox is served by agora; see mirroring instructions
for how to clone and mirror all data and code used for this inbox