weijietong commented on code in PR #9313:
URL: https://github.com/apache/paimon/pull/9313#discussion_r3851153615


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paimon-core/src/main/java/org/apache/paimon/table/source/DataSplit.java:
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@@ -63,7 +64,7 @@ public class DataSplit implements Split {
 
     private static final long serialVersionUID = 7L;
     private static final long MAGIC = -2394839472490812314L;
-    private static final int VERSION = 8;
+    private static final int VERSION = 9;

Review Comment:
   @JingsongLi @leaves12138  can you explain why we need this version number ? 
Can we remove this version number and the following version checks? It's a 
runtime query task's object ser/de-ser . Maybe we could use protobuf to do this 
work and keep schema evolution compatiable. It's urgly to see this version 
change. 



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