log_line_prefix and JSON log format

From: PG Doc comments form <noreply(at)postgresql(dot)org>
To: pgsql-docs(at)lists(dot)postgresql(dot)org
Cc: michael(at)schoenitzer(dot)de
Subject: log_line_prefix and JSON log format
Date: 2026-09-25 09:32:36
Message-ID: 179032875673.1026201.6950455317699774504@wrigleys.postgresql.org
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The following documentation comment has been logged on the website:

Page: https://www.postgresql.org/docs/18/index.html
Description:

I noticed, that it not documented anywhere what log_line_prefix will do, if
log_destination = 'jsonlog' (Or CSV). From my tests it seems it is ignored
and does nothing. But we weren't sure and would be helpful to have this
documented.

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