Date: Tue, 7 Jul 2020 13:46:17 -0400
From: Alvaro Herrera <alvherre@2ndquadrant.com>
To: Andres Freund <andres@anarazel.de>
Cc: Robert Haas <robertmhaas@gmail.com>, Stephen Frost <sfrost@snowman.net>,
	Kyotaro Horiguchi <horikyota.ntt@gmail.com>,
	Michael Paquier <michael@paquier.xyz>,
	"Jonathan S. Katz" <jkatz@postgresql.org>,
	Dave Cramer <davecramer@postgres.rocks>,
	Fujii Masao <masao.fujii@oss.nttdata.com>,
	Masahiko Sawada <masahiko.sawada@2ndquadrant.com>,
	Vladimir Sitnikov <sitnikov.vladimir@gmail.com>,
	"pgsql-hackers@postgresql.org" <pgsql-hackers@postgresql.org>,
	Peter Geoghegan <pg@bowt.ie>
Subject: Re: SIGSEGV from START_REPLICATION 0/XXXXXXX in XLogSendPhysical ()
 at walsender.c:2762
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On 2020-Jun-24, Andres Freund wrote:

> As I said before, I've utilized being able to do both over a single
> connection (among others to initialize a logical replica using a base
> backup). And I've seen at least one other codebase (developed without my
> input) doing so. I really don't understand how you just dismiss this
> without any sort of actual argument.  Yes, those uses can be fixed to
> reconnect with a different replication parameter, but that's code that
> needs to be adjusted and it requires adjustments to pg_hba.conf etc.
> 
> And obviously you'd lock out older versions of jdbc, and possibly other
> drivers.

Well, I had understood that you were talking from a hypothetical
position, not that you were already using the thing that way.  After
these arguments, I agree to leave things alone, and nobody else seems to
be arguing in that direction, so I'll mark the open item as closed.

Thanks,

-- 
Álvaro Herrera                https://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services