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From: Dominique Devienne <[email protected]>
To: Adrian Klaver <[email protected]>
Cc: Davin Shearer <[email protected]>
Cc: [email protected]
Subject: Re: Emitting JSON to file using COPY TO
Date: Mon, 27 Nov 2023 10:33:00 +0100
Message-ID: <CAFCRh-_LhP5Ln4-beVz=1pQ9VycU3hAxnJHXhPHZRmX0BSCVEQ@mail.gmail.com> (raw)
In-Reply-To: <[email protected]>
References: <CALvfUkBxTYy5uWPFVwpk_7ii2zgT07t3d-yR_cy4sfrrLU=kcg@mail.gmail.com>
	<[email protected]>

On Sat, Nov 25, 2023 at 10:00 PM Adrian Klaver <[email protected]>
wrote:

> On 11/25/23 11:21, Davin Shearer wrote:
> > Hello!
> >
> > I'm trying to emit a JSON aggregation of JSON rows to a file using COPY
> > TO, but I'm running into problems with COPY TO double quoting the
> > output.   Here is a minimal example that demonstrates the problem I'm
> > having:
> >
>
> > I have tried to get COPY TO to copy the results to file "as-is" by
> > setting the escape and the quote characters to the empty string (''),
> > but they only apply to the CSV format.
> >
> > Is there a way to emit JSON results to file from within postgres?
> > Effectively, nn "as-is" option to COPY TO would work well for this JSON
> > use case.
> >
>
> Not using COPY.
>
> See David Johnson's post for one way using the client psql.
>
> Otherwise you will need to use any of the many ETL programs out there
> that are designed for this sort of thing.
>

Guys, I don't get answers like that. The JSON spec is clear:

>

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