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From: Colin 't Hart <[email protected]>
To: [email protected]
Subject: Regression in Postgres 17?
Date: Tue, 22 Oct 2024 17:54:29 +0200
Message-ID: <CAMon-aR07TWHZt2QX9QsZQEniyE-6+FdHJSGwyMwvegJSjjNug@mail.gmail.com> (raw)

Hi,

This works in Postgres 15:

pg15> create function json_test(out value text, out json jsonb)
returns record
language sql
as
$$
  select null::text, null::jsonb;
$$
;
CREATE FUNCTION
pg15> select * from json_test();
┌───────┬──────┐
│ value │ json │
├───────┼──────┤
│       │      │
└───────┴──────┘
(1 row)


In Postgres 17 trying to create the function yields an error:

pg17> create function json_test(out value text, out json jsonb)
returns record
language sql
as
$$
  select null::text, null::jsonb;
$$
;
ERROR:  syntax error at or near "jsonb"
LINE 1: create function json_test(out value text, out json jsonb)


Am I doing something wrong? Or is this a regression?

Thanks,

Colin

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