kbendick commented on a change in pull request #3039:
URL: https://github.com/apache/iceberg/pull/3039#discussion_r697721110



##########
File path: core/src/main/java/org/apache/iceberg/util/SnapshotUtil.java
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@@ -65,12 +65,16 @@ public static boolean ancestorOf(Table table, long 
snapshotId, long ancestorSnap
   }
 
   /**
-   * Traverses the history of the table's current snapshot and finds the 
oldest Snapshot.
-   * @return null if there is no current snapshot in the table, else the 
oldest Snapshot.
+   * Traverses the history of the table's current snapshot and finds the 
oldest Snapshot after the timestamp.
+   * @return null if there is no current snapshot in the table, else the 
oldest Snapshot after the timestamp.
    */
-  public static Snapshot oldestSnapshot(Table table) {
+  public static Snapshot oldestSnapshot(Table table, long timestamp) {

Review comment:
       Non-blocking: Would this make sense possibly as two methods? 
`oldestSnapshot` and then `oldestSnapshotAfterTime`? One could easily call into 
the other. But if there's no need for both of them now, that's possibly just 
additional code to maintain.




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