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From: Dean Rasheed <[email protected]>
To: Joe Conway <[email protected]>
Cc: Daniel Verite <[email protected]>
Cc: Andrew Dunstan <[email protected]>
Cc: Davin Shearer <[email protected]>
Cc: PostgreSQL-development <[email protected]>
Subject: Re: Emitting JSON to file using COPY TO
Date: Mon, 8 Jan 2024 19:36:34 +0000
Message-ID: <CAEZATCWh29787xf=4NgkoixeqRHrqi0Qd33Z6_-F8t2dZ0yLCQ@mail.gmail.com> (raw)
In-Reply-To: <[email protected]>
References: <[email protected]>
	<[email protected]>
	<[email protected]>
	<[email protected]>

On Thu, 7 Dec 2023 at 01:10, Joe Conway <[email protected]> wrote:
>
> The attached should fix the CopyOut response to say one column.
>

Playing around with this, I found a couple of cases that generate an error:

COPY (SELECT 1 UNION ALL SELECT 2) TO stdout WITH (format json);

COPY (VALUES (1), (2)) TO stdout WITH (format json);

both of those generate the following:

ERROR:  record type has not been registered

Regards,
Dean

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