Github user zentol commented on a diff in the pull request: https://github.com/apache/flink/pull/1903#discussion_r61064993 --- Diff: flink-core/src/main/java/org/apache/flink/api/common/operators/GenericDataSourceBase.java --- @@ -210,10 +210,12 @@ public void accept(Visitor<Operator<?>> visitor) { protected List<OUT> executeOnCollections(RuntimeContext ctx, ExecutionConfig executionConfig) throws Exception { @SuppressWarnings("unchecked") InputFormat<OUT, InputSplit> inputFormat = (InputFormat<OUT, InputSplit>) this.formatWrapper.getUserCodeObject(); + //open the input format --- End diff -- this comment seems out-dated with the differentiation of configure() and openInputFormat()
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