jacek-lewandowski commented on code in PR #2064:
URL: https://github.com/apache/cassandra/pull/2064#discussion_r1073503101
##########
src/java/org/apache/cassandra/db/compaction/Scrubber.java:
##########
@@ -564,20 +565,27 @@ public ScrubResult(Scrubber scrubber)
/**
* During 2.x migration, under some circumstances rows might have gotten
duplicated.
* Merging iterator merges rows with same clustering.
- *
+ * <p>
* For more details, refer to CASSANDRA-12144.
*/
- private static class RowMergingSSTableIterator extends
WrappingUnfilteredRowIterator
+ private static class RowMergingSSTableIterator extends
UnmodifiableIterator<Unfiltered> implements WrappingUnfilteredRowIterator
Review Comment:
We do not have to supply anything, the Java's original implementation of
`Iterator.remove` is:
```
default void remove() {
throw new UnsupportedOperationException("remove");
}
```
`UnmodifiableIterator` just makes it final
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