Github user uce commented on a diff in the pull request: https://github.com/apache/flink/pull/729#discussion_r31531993 --- Diff: flink-java/src/main/java/org/apache/flink/api/java/operators/SingleInputUdfOperator.java --- @@ -54,8 +54,11 @@ private Map<String, DataSet<?>> broadcastVariables; + // NOTE: only set this variable via setSemanticProperties() --- End diff -- I saw that there is a check for this in the UdfAnalyzerUtil.
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