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From: Tom Lane <[email protected]>
To: Joe Conway <[email protected]>
Cc: Andrew Dunstan <[email protected]>
Cc: Davin Shearer <[email protected]>
Cc: PostgreSQL-development <[email protected]>
Subject: Re: Emitting JSON to file using COPY TO
Date: Wed, 06 Dec 2023 10:44:19 -0500
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
References: <CALvfUkBxTYy5uWPFVwpk_7ii2zgT07t3d-yR_cy4sfrrLU=kcg@mail.gmail.com>
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Joe Conway <[email protected]> writes:
> I believe this is ready to commit unless there are further comments or 
> objections.

I thought we were still mostly at proof-of-concept stage?

In particular, has anyone done any performance testing?
I'm concerned about that because composite_to_json() has
zero capability to cache any metadata across calls, meaning
there is going to be a large amount of duplicated work
per row.

			regards, tom lane






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