From: Tom Lane <tgl@sss.pgh.pa.us>
To: "Joel Jacobson" <joel@compiler.org>
cc: pgsql-hackers@lists.postgresql.org
Subject: Re: Weird special case in jsonb_concat()
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Comments: In-reply-to "Joel Jacobson" <joel@compiler.org>
	message dated "Sun, 20 Dec 2020 08:33:38 +0100"
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Date: Mon, 21 Dec 2020 13:15:37 -0500
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"Joel Jacobson" <joel@compiler.org> writes:
> On Sat, Dec 19, 2020, at 21:35, Tom Lane wrote:
>> Here is a proposed patch for that.

> In addition, to the user wondering how to append a json array-value "as is",
> I think it would be useful to provide an example on how to do this
> in the documentation.

Done in v13 and HEAD; the older table format doesn't really have room
for more examples.

> +1 back-patch, I think it's a bug.

I'm not quite sure it's a bug, but it does seem like fairly unhelpful
behavior to throw an error instead of doing something useful, so
back-patched.

			regards, tom lane