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In-Reply-To: 
 <CAFiTN-vWZR9+U-kg6d2L3J0WGr6fqESnjah8vrguVCmpEG7SMA@mail.gmail.com>
From: Peter Smith <smithpb2250@gmail.com>
Date: Tue, 2 Jun 2026 17:41:33 +1000
Message-ID: 
 <CAHut+PsxJFv5zXRo6-ZFFw4UUpWQUyv23FQTRain-4jAEajyjw@mail.gmail.com>
Subject: Re: Proposal: Conflict log history table for Logical Replication
To: Dilip Kumar <dilipbalaut@gmail.com>
Cc: Nisha Moond <nisha.moond412@gmail.com>,
 Amit Kapila <amit.kapila16@gmail.com>,
	vignesh C <vignesh21@gmail.com>, shveta malik <shveta.malik@gmail.com>,
	Masahiko Sawada <sawada.mshk@gmail.com>,
	Bharath Rupireddy <bharath.rupireddyforpostgres@gmail.com>,
	PostgreSQL Hackers <pgsql-hackers@lists.postgresql.org>,
 shveta malik <shvetamalik@gmail.com>
Content-Type: text/plain; charset="UTF-8"
Archived-At: 
 <https://www.postgresql.org/message-id/CAHut%2BPsxJFv5zXRo6-ZFFw4UUpWQUyv23FQTRain-4jAEajyjw%40mail.gmail.com>
Precedence: bulk

Hi Dilip.

I've been thinking more about this new option:
conflict_log_destination (enum) = 'log' or 'table' or 'all'.

I think it behaves more like a bitmap than an enum. Also, having 'all'
as an enum value seems odd to me. IMO, this new option is actually
more similar to the 'publish' option from CREATE PUBLICATION.

I suggest it might be better to implement this as a *string* option:
conflict_log_destination (string), and has allowed values of 'log' and 'table'.

e.g.
conflict_log_destination = 'log'
conflict_log_destination = 'table'
conflict_log_destination = 'log, table'

Apart from being more intuitive and readable, this way is also
future-proof in case some 3rd/4th/etc way of logging is invented --
e.g. the user can define whatever combinations they want instead of
being stuck with only "all".

Thoughts?

======
Kind Regards,
Peter Smith.
Fujitsu Australia