Re: Emitting JSON to file using COPY TO

From: Maciek Sakrejda <m(dot)sakrejda(at)gmail(dot)com>
To: Joe Conway <mail(at)joeconway(dot)com>
Cc: 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: 2023-12-02 18:50:12
Message-ID: CAOtHd0C+k8M1HYPubnH6J_7B5Eh5_nrun-n3fc9ZsSb_Tq9ZHA@mail.gmail.com
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On Fri, Dec 1, 2023 at 11:32 AM Joe Conway <mail(at)joeconway(dot)com> wrote:
> 1. Is supporting JSON array format sufficient, or does it need to
> support some other options? How flexible does the support scheme need to be?

"JSON Lines" is a semi-standard format [1] that's basically just
newline-separated JSON values. (In fact, this is what
log_destination=jsonlog gives you for Postgres logs, no?) It might be
worthwhile to support that, too.

[1]: https://jsonlines.org/

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