Re: remaining sql/json patches

Hi Alexander,

On Wed, Jun 26, 2024 at 8:00 PM Alexander Lakhin <exclusion@gmail.com> wrote:
>
> Hello,
>
> I'm not sure I've chosen the most appropriate thread for reporting the
> issue, but maybe you would like to look at code comments related to
> SQL/JSON constructors:
>
>   * Transform JSON_ARRAY() constructor.
>   *
>   * JSON_ARRAY() is transformed into json[b]_build_array[_ext]() call
>   * depending on the output JSON format. The first argument of
>   * json[b]_build_array_ext() is absent_on_null.
>
>
>   * Transform JSON_OBJECT() constructor.
>   *
>   * JSON_OBJECT() is transformed into json[b]_build_object[_ext]() call
>   * depending on the output JSON format. The first two arguments of
>   * json[b]_build_object_ext() are absent_on_null and check_unique.
>
> But the referenced functions were removed at [1]; Nikita Glukhov wrote:
> > I have removed json[b]_build_object_ext() and json[b]_build_array_ext().
>
> (That thread seems too old for the current discussion.)
>
> Also, a comment above transformJsonObjectAgg() references
> json[b]_objectagg[_unique][_strict](key, value), but I could find
> json_objectagg() only.
>
> [1] https://www.postgresql.org/message-id/be40362b-7821-7422-d33f-fbf1c61bb3e3%40postgrespro.ru

Thanks for the report.  Yeah, those comments that got added in
7081ac46ace are obsolete.

Attached is a patch to fix that.  Should be back-patched to v16.

--
Thanks, Amit Langote