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From: Joe Conway <mail@joeconway.com>
To: Davin Shearer <davin@apache.org>
To: PostgreSQL-development <pgsql-hackers@postgresql.org>
Cc: Andrew Dunstan <andrew@dunslane.net>
Subject: Re: Emitting JSON to file using COPY TO
Date: Sun, 3 Dec 2023 10:51:12 -0500
Message-ID: <7117a356-916c-4cf3-bad8-861490e65dcf@joeconway.com> (raw)
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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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