pgsql: SQL/JSON: Fix some obsolete comments.

From: Amit Langote <amitlan(at)postgresql(dot)org>
To: pgsql-committers(at)lists(dot)postgresql(dot)org
Subject: pgsql: SQL/JSON: Fix some obsolete comments.
Date: 2024-07-04 07:36:43
Message-ID: E1sPH1F-000GEq-RC@gemulon.postgresql.org
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SQL/JSON: Fix some obsolete comments.

JSON_OBJECT(), JSON_OBJETAGG(), JSON_ARRAY(), and JSON_ARRAYAGG()
added in 7081ac46ace are not transformed into direct calls to
user-defined functions as the comments claim. Fix by mentioning
instead that they are transformed into JsonConstructorExpr nodes,
which may call them, for example, for the *AGG() functions.

Reported-by: Alexander Lakhin <exclusion(at)gmail(dot)com>
Discussion: https://postgr.es/m/058c856a-e090-ac42-ff00-ffe394f52a87%40gmail.com
Backpatch-through: 16

Branch
------
REL_16_STABLE

Details
-------
https://git.postgresql.org/pg/commitdiff/7768b6569de95de7517bd6520acbe6e599fc6601

Modified Files
--------------
src/backend/parser/parse_expr.c | 33 ++++++++++++++++-----------------
1 file changed, 16 insertions(+), 17 deletions(-)

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