RussellSpitzer commented on a change in pull request #1361:
URL: https://github.com/apache/iceberg/pull/1361#discussion_r474290437
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File path: core/src/test/java/org/apache/iceberg/TestRemoveSnapshots.java
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@@ -50,6 +51,257 @@ public TestRemoveSnapshots(int formatVersion) {
super(formatVersion);
}
+ private long waitUntilAfter(long timestampMillis) {
+ long t = System.currentTimeMillis();
+ while (t <= timestampMillis) {
+ t = System.currentTimeMillis();
+ }
+ return t;
+ }
+
+ @Test
+ public void testExpireOlderThan() {
+ table.newAppend()
+ .appendFile(FILE_A)
+ .commit();
+
+ Snapshot firstSnapshot = table.currentSnapshot();
+
+ waitUntilAfter(table.currentSnapshot().timestampMillis());
+
+ table.newAppend()
+ .appendFile(FILE_B)
+ .commit();
+
+ long snapshotId = table.currentSnapshot().snapshotId();
+
+ long tAfterCommits =
waitUntilAfter(table.currentSnapshot().timestampMillis());
+
+ Set<String> deletedFiles = Sets.newHashSet();
+
+ table.expireSnapshots()
+ .expireOlderThan(tAfterCommits)
+ .deleteWith(deletedFiles::add)
+ .commit();
+
+ Assert.assertEquals("Expire should not change current snapshot",
snapshotId, table.currentSnapshot().snapshotId());
+ Assert.assertNull("Expire should remove the oldest snapshot",
table.snapshot(firstSnapshot.snapshotId()));
+ Assert.assertEquals("Should not remove only the expired manifest list
location",
Review comment:
Should only
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