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From: Tom Lane <[email protected]>
To: Mike L <[email protected]>
Cc: Pgsql-admin <[email protected]>
Cc: pgsql-admin <[email protected]>
Subject: Re: logical replication issue
Date: Thu, 17 Apr 2025 11:05:25 -0400
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
References: <[email protected]>

Mike L <[email protected]> writes:
> Should logical replication fail due to a column of type 'xml' in a table 
> in a publication?

Well, as you note, there's no equality operator for type xml.

Looking at the replication code, it looks like you might be able
to dodge the error if the replicated-to table has a primary key
(which'd necessarily not involve the xml column).  Without a PK,
it will do full-row equality checks to determine tuple matches,
and that's where it falls down trying to compare the xml column.

			regards, tom lane

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