amogh-jahagirdar commented on code in PR #5618:
URL: https://github.com/apache/iceberg/pull/5618#discussion_r997573301
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core/src/test/java/org/apache/iceberg/TestRemoveSnapshots.java:
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@@ -1455,6 +1455,56 @@ public void testMaxSnapshotAgeMultipleBranches() {
Assert.assertNull(table.ops().current().snapshot(initialSnapshotId));
}
+ @Test
+ public void testRetainFilesOnRetainedBranches() {
+ // Append a file to main and test branch
+ String testBranch = "test-branch";
+ table.newAppend().appendFile(FILE_A).commit();
+ Snapshot a = table.currentSnapshot();
+ table.manageSnapshots().createBranch(testBranch, a.snapshotId()).commit();
+
+ // Delete A from main
+ table.newDelete().deleteFile(FILE_A).commit();
+ Snapshot deletionA = table.currentSnapshot();
+ // Add B to main
+ table.newAppend().appendFile(FILE_B).commit();
+ long tAfterCommits =
waitUntilAfter(table.currentSnapshot().timestampMillis());
+ Set<String> deletedFiles = Sets.newHashSet();
+ Set<String> expectedDeletes = Sets.newHashSet();
+
+ // Only deletionA's manifest list and manifests should be removed
+ expectedDeletes.add(deletionA.manifestListLocation());
+ expectedDeletes.addAll(
+ deletionA.allManifests(table.io()).stream().map(manifest ->
manifest.path()).collect(Collectors.toSet()));
+
table.expireSnapshots().expireOlderThan(tAfterCommits).deleteWith(deletedFiles::add).commit();
+
+ Assert.assertEquals(2, Iterables.size(table.snapshots()));
+ Assert.assertEquals(expectedDeletes, deletedFiles);
+
+ // Delete A on test branch
+ table.newDelete().deleteFile(FILE_A).toBranch(testBranch).commit();
+ Snapshot branchDelete = table.snapshot(testBranch);
+ table.newAppend().appendFile(FILE_C).toBranch(testBranch).commit();
+ Snapshot testBranchHead = table.snapshot(testBranch);
+
+ deletedFiles = Sets.newHashSet();
+ expectedDeletes = Sets.newHashSet();
+
table.expireSnapshots().expireOlderThan(testBranchHead.timestampMillis()).deleteWith(deletedFiles::add).commit();
+
+ //
Review Comment:
Oops, probably I intended to comment something and just forgot before
pushing. removed
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