Github user zentol commented on a diff in the pull request:
@@ -95,6 +95,28 @@ private CassandraSink(SingleOutputStreamOperator<IN>
+ * Sets an additional, user provided hash for this operator.
+ * <p/>
+ * <p>The user provided hash is an alternative to the generated hashes,
that is considered when identifying an
+ * operator through the default hash mechanics fails (e.g. because of
changes between Flink versions.
--- End diff --
missing closing brackets.
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