Horton

Re: Request for comment on setting binary format output per session

Robert Haas <robertmhaas@gmail.com>

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From: Robert Haas <robertmhaas@gmail.com>
To: Peter Eisentraut <peter@eisentraut.org>
Cc: Dave Cramer <davecramer@gmail.com>, Merlin Moncure <mmoncure@gmail.com>, Tom Lane <tgl@sss.pgh.pa.us>, Jeff Davis <pgsql@j-davis.com>, PostgreSQL Hackers <pgsql-hackers@lists.postgresql.org>
Date: 2023-10-04T19:10:05Z
Lists: pgsql-hackers

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On Wed, Oct 4, 2023 at 10:17 AM Peter Eisentraut <peter@eisentraut.org> wrote:
> I think intuitively, this facility ought to work like client_encoding.

I hadn't really considered client_encoding as a precedent for this
setting. A lot of my discomfort with the proposed mechanism also
applies to client_encoding, namely, suppose you call some function or
procedure or whatever and it changes client_encoding on your behalf
and now your communication with the server is all screwed up. That
seems very unpleasant. Yet it's also existing behavior. I think one
could conclude on these facts either that (a) client_encoding is fine
and the problems with controlling behavior using that kind of
mechanism are mostly theoretical or (b) that we messed up with
client_encoding and shouldn't add any more mistakes of the same ilk or
(c) that we should really be looking at redesigning the way
client_encoding works, too.

-- 
Robert Haas
EDB: http://www.enterprisedb.com