Will-Lo commented on code in PR #4142:
URL: https://github.com/apache/gobblin/pull/4142#discussion_r2433508932


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gobblin-data-management/src/main/java/org/apache/gobblin/data/management/copy/iceberg/IcebergOverwritePartitionsStep.java:
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@@ -57,6 +58,7 @@
 @Slf4j
 public class IcebergOverwritePartitionsStep implements CommitStep {

Review Comment:
   We should put a comment/include in the javadoc that schema updates must be 
enforced to be backwards compatible by the catalog in the partition overwrite 
step otherwise previous partitions may become unreadable.



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