rajarshisarkar commented on a change in pull request #3039:
URL: https://github.com/apache/iceberg/pull/3039#discussion_r764707554



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File path: core/src/main/java/org/apache/iceberg/util/SnapshotUtil.java
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@@ -101,6 +101,42 @@ public static Snapshot oldestAncestor(Table table) {
     return ancestorsOf(start, lookup);
   }
 
+  /**
+   * Traverses the history of the table's current snapshot

Review comment:
       I have taken the idea from @rdblue's code and have named the method 
`oldestAncestorFrom`. 
   
   Please let me know if we are planning to call `oldestAncestor` if 
`oldestAncestorFrom` fails to find the oldest snapshot (instead of throwing an 
exception).




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