nileshkumar3 commented on code in PR #22643:
URL: https://github.com/apache/kafka/pull/22643#discussion_r3456899433
##########
streams/src/main/java/org/apache/kafka/streams/state/internals/RocksDBTransactionBuffer.java:
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@@ -175,31 +178,72 @@ ManagedKeyValueIterator<Bytes, byte[]>
newBaseIterator(final Bytes from, final B
return newBaseIterator(cfHandle, from, to, forward, toInclusive);
}
+ @Override
+ ManagedKeyValueIterator<Bytes, byte[]> newBaseSnapshotIterator(final Bytes
from, final Bytes to,
+ final
boolean forward, final boolean toInclusive) {
+ return newBaseSnapshotIterator(cfHandle, from, to, forward,
toInclusive);
+ }
+
private ManagedKeyValueIterator<Bytes, byte[]> newBaseIterator(final
ColumnFamilyHandle cf,
final Bytes
from, final Bytes to,
final
boolean forward, final boolean toInclusive) {
final RocksIterator rocksIterator = db.newIterator(cf);
- final ManagedKeyValueIterator<Bytes, byte[]> iter;
+ final ManagedKeyValueIterator<Bytes, byte[]> iter =
+ buildBaseIterator(rocksIterator, from, to, forward, toInclusive);
+ // RocksDbIterator requires onClose to be set before close() is called.
+ // Since this iterator is used internally by StagedMergeIterator (not
+ // tracked by RocksDBStore's open-iterator set), use a no-op callback.
+ iter.onClose(() -> { });
Review Comment:
Done — moved the onClose callback into buildBaseIterator so it returns a
fully-initialized iterator.
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