Hope this  below  mentionsed on the restrictions  to be useful on the database schema and DDL commands are not replicated 

https://www.postgresql.org/docs/current/logical-replication-restrictions.html

PostgreSQL: Documentation: 17: 29.7. Restrictions 29.7. Restrictions # Logical replication currently has the following restrictions or missing functionality. These might be addressed in future releases. The … www.postgresql.org

Another useful link on  enabling replication

https://dev.to/raselmahmuddev/how-to-set-up-postgresql-logical-replication-use-cases-and-step-by-step-guide-536b

How to Set Up PostgreSQL Logical Replication: Use Cases and Step-by-Step Guide. Real-World Use Case 2: E-commerce Platforms Use Case: An e-commerce platform uses logical replication to keep the data in sync between the main database (handling customer transactions) and a separate reporting database (used for analytics).This ensures that the system can generate real-time reports and insights without affecting the performance of the website or app. dev.to

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To: Ron Johnson <[email protected]>
Cc: pgsql-admin <[email protected]>; Pgsql-admin <[email protected]>
Subject: Re: Upgrade from 12.22 to 16

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Thanks everyone.

Is there the restriction in logical replication because the database we have has all of it shown in the screenshot.

On Wed, 11 Jun, 2025, 8:59 pm Ron Johnson, <[email protected]> wrote:

On Wed, Jun 11, 2025 at 2:57 AM Domen Šetar <[email protected]> wrote:

You can use logical replication if new version of your postgres is on other host.

Are you sure?  There _shouldn't_ be any problem with replicating to a new instance on the same machine.

 

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