Github user fhueske commented on a diff in the pull request:
https://github.com/apache/flink/pull/1469#discussion_r49656407
--- Diff:
flink-runtime/src/main/java/org/apache/flink/runtime/operators/hash/MutableHashTable.java
---
@@ -1558,7 +1641,209 @@ public void reset() {
}
} // end HashBucketIterator
+
+ /**
+ * Iterate all the elements in memory which has not been probed during
probe phase.
+ */
+ public static class UnmatchedBuildIterator<BT, PT> implements
MutableObjectIterator<BT> {
--- End diff --
A few more inline comments would be good for this class.
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