zhengzengprc commented on a change in pull request #3039:
URL: https://github.com/apache/iceberg/pull/3039#discussion_r704113025
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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 or equal to the timestamp in milliseconds.
+ * @return null if there is no current snapshot in the table, else the
oldest Snapshot after or equal to the timestamp in milliseconds.
*/
- public static Snapshot oldestSnapshot(Table table) {
+ public static Snapshot oldestSnapshot(Table table, long timestampMillis) {
Review comment:
I think the original naming oldestSnapshot makes more sense, since
snapshotOlderThan could be any snapshot after the timestamp. But oldestSnapshot
clarify the one just after the timestamp, and the documentation also provides
this information
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