swamirishi commented on code in PR #9423:
URL: https://github.com/apache/ozone/pull/9423#discussion_r2599909091
##########
hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/KeyManagerImpl.java:
##########
@@ -2295,15 +2296,36 @@ private <T extends WithParentObjectId> DeleteKeysResult
gatherSubPathsWithIterat
List<OmKeyInfo> keyInfos = new ArrayList<>();
String seekFileInDB = metadataManager.getOzonePathKey(volumeId, bucketId,
parentInfo.getObjectID(), "");
try (TableIterator<String, ? extends KeyValue<String, T>> iterator =
table.iterator(seekFileInDB)) {
- while (iterator.hasNext() && remainingNum > 0) {
+ String startKey = null;
+ String lastLoopExclusiveKey =
getLexicographicallyHigherString(seekFileInDB);
+ List<DeleteKeysResult.ExclusiveRange> keyRanges = new ArrayList<>();
+ boolean processedAllKeys = true;
+ while (iterator.hasNext()) {
KeyValue<String, T> entry = iterator.next();
KeyValue<String, OmKeyInfo> keyInfo =
deleteKeyTransformer.apply(entry);
+ String tableKey = entry.getKey();
+ if (remainingNum <= 0) {
+ lastLoopExclusiveKey = tableKey;
+ processedAllKeys = false;
+ break;
+ }
if (deleteKeyFilter.apply(keyInfo)) {
keyInfos.add(keyInfo.getValue());
remainingNum--;
+ if (startKey == null) {
+ startKey = tableKey;
+ }
+ } else {
+ if (startKey != null) {
+ keyRanges.add(new DeleteKeysResult.ExclusiveRange(startKey,
tableKey));
+ }
+ startKey = null;
}
}
- return new DeleteKeysResult(keyInfos, !iterator.hasNext());
+ if (startKey != null) {
+ keyRanges.add(new DeleteKeysResult.ExclusiveRange(startKey,
lastLoopExclusiveKey));
+ }
+ return new DeleteKeysResult(keyInfos, keyRanges, processedAllKeys);
Review Comment:
yeah my bad
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