SEZ9 commented on issue #10777:
URL: https://github.com/apache/seatunnel/issues/10777#issuecomment-5366239687

   Thanks for the well-researched request. This is a valid gap: 
PostgresIncrementalSource does not implement SupportSchemaEvolution, unlike 
MySQL/Oracle CDC. Marking as a feature and welcoming contributions.
   
   Note a key technical challenge: unlike MySQL binlog, PostgreSQL logical 
replication does not emit DDL events natively, so the implementation will need 
a strategy for detecting schema changes (e.g., comparing table schemas when 
replication messages indicate structure drift). Any proposal should describe 
this approach.
   
   If you or anyone plans to work on this, please share a short design first 
(which DDL types will be supported: add/drop/rename/modify column, and how DDL 
detection works for Postgres) so maintainers can review before implementation.
   
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