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| Repository Update
The following documentation comment has been logged on the website:


Here, we should add one more point:

* Any column part of the replica identity needs to be of a type with a
equality operator.

Use Case:
When, I have added a table for logical replication(without any primary key)
which had a column with json datatype. I got below error at
target(subscription) db:

 LOG:  background worker "logical replication worker" (PID 17092) exited
with exit code 1

After that, I  altered the table at source db and converted the datatype to
jsonb instead of json. Then, I dropped and recreated the table schema with
jsonb column datatype on replica db and the error got resolved.