Re: json_build_object, numeric types, and function limits on 100 arguments - Mailing list pgsql-admin

From Wells Oliver
Subject Re: json_build_object, numeric types, and function limits on 100 arguments
Date
Msg-id CAOC+FBUobjupfTb9BKctomaygUf6_24AZo0QHQ2g2e1GaGL7tQ@mail.gmail.com
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In response to Re: json_build_object, numeric types, and function limits on 100 arguments  (Alvaro Herrera <alvherre@alvh.no-ip.org>)
Responses Re: json_build_object, numeric types, and function limits on 100 arguments
List pgsql-admin
Yeah, thanks, I thought about that: concatenating a few different objects to make a bigger object. Seemed silly, but if there's not a cleaner solution, it does work.

On Tue, Jan 26, 2021 at 5:52 AM Alvaro Herrera <alvherre@alvh.no-ip.org> wrote:
On 2021-Jan-25, Wells Oliver wrote:

> Hi. I am trying to build a Large JSON Object, and running into issues with
> the function limit on 100 arguments. I know I can use ARRAY[] to get around
> this, but I can't mix text and numeric types, which I need to do to have a
> nicely usable JSON object.
>
> I know I can do this: json_build_object('somekey', 1.0, 'someotherkey',
> 2.0) but cannot put more than 100.

Maybe you can use the jsonb || jsonb operator:

select json_build_object('somekey', 1.0, 'someotherkey', 2.0)::jsonb || json_build_object('thirdkey', 3.0)::jsonb;
                        ?column?                       
────────────────────────────────────────────────────────
 {"somekey": 1.0, "thirdkey": 3.0, "someotherkey": 2.0}
(1 fila)


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Álvaro Herrera                            39°49'30"S 73°17'W


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