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help / color / mirror / Atom feedFrom: Davin Shearer <[email protected]>
To: Joe Conway <[email protected]>
To: PostgreSQL-development <[email protected]>
To: Andrew Dunstan <[email protected]>
Subject: Re: Emitting JSON to file using COPY TO
Date: Sun, 3 Dec 2023 17:38:28 -0500
Message-ID: <CALvfUkBKTr9WLAbHQYmwZ7SVp5_VDey1F1uCZtKL4+H1-WvyBw@mail.gmail.com> (raw)
In-Reply-To: <[email protected]>
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<[email protected]>
" being quoted as \\" breaks the JSON. It needs to be \". This has been my
whole problem with COPY TO for JSON.
Please validate that the output is in proper format with correct quoting
for special characters. I use `jq` on the command line to validate and
format the output.
On Sun, Dec 3, 2023, 10:51 Joe Conway <[email protected]> wrote:
> On 12/3/23 10:31, Davin Shearer wrote:
> > Please be sure to include single and double quotes in the test values
> > since that was the original problem (double quoting in COPY TO breaking
> > the JSON syntax).
>
> test=# copy (select * from foo limit 4) to stdout (format json);
> {"id":2456092,"f1":"line with ' in it:
> 2456092","f2":"2023-12-03T10:44:40.9712-05:00"}
> {"id":2456093,"f1":"line with \\" in it:
> 2456093","f2":"2023-12-03T10:44:40.971221-05:00"}
> {"id":2456094,"f1":"line with ' in it:
> 2456094","f2":"2023-12-03T10:44:40.971225-05:00"}
> {"id":2456095,"f1":"line with \\" in it:
> 2456095","f2":"2023-12-03T10:44:40.971228-05:00"}
>
> --
> Joe Conway
> PostgreSQL Contributors Team
> RDS Open Source Databases
> Amazon Web Services: https://aws.amazon.com
>
>
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Subject: Re: Emitting JSON to file using COPY TO
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