| From: | Joe Conway <mail(at)joeconway(dot)com> |
|---|---|
| To: | Dean Rasheed <dean(dot)a(dot)rasheed(at)gmail(dot)com> |
| Cc: | Daniel Verite <daniel(at)manitou-mail(dot)org>, Andrew Dunstan <andrew(at)dunslane(dot)net>, Davin Shearer <davin(at)apache(dot)org>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Emitting JSON to file using COPY TO |
| Date: | 2024-01-08 20:40:23 |
| Message-ID: | 153b71b8-b6fb-4930-aaff-a7334cb3f6d6@joeconway.com |
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| Lists: | pgsql-general pgsql-hackers |
On 1/8/24 14:36, Dean Rasheed wrote:
> On Thu, 7 Dec 2023 at 01:10, Joe Conway <mail(at)joeconway(dot)com> 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
Thanks -- will have a look
--
Joe Conway
PostgreSQL Contributors Team
RDS Open Source Databases
Amazon Web Services: https://aws.amazon.com
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