hililiwei commented on code in PR #6005:
URL: https://github.com/apache/iceberg/pull/6005#discussion_r997934218
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core/src/main/java/org/apache/iceberg/util/SnapshotUtil.java:
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@@ -72,7 +72,7 @@ public static boolean isAncestorOf(Table table, long
ancestorSnapshotId) {
public static boolean isParentAncestorOf(
Table table, long snapshotId, long ancestorParentSnapshotId) {
for (Snapshot snapshot : ancestorsOf(snapshotId, table::snapshot)) {
- if (snapshot.parentId() == ancestorParentSnapshotId) {
+ if (snapshot.parentId() != null && snapshot.parentId() ==
ancestorParentSnapshotId) {
Review Comment:
SnapshotUtil doesn't have a test case class for it. So I created one, adding
some additional test cases.
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