[jira] [Created] (FLINK-15569) Incorrect sample code in udf document

[Jeff Zhang (Jira)]

Jeff Zhang created FLINK-15569:
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             Summary: Incorrect sample code in udf document
                 Key: FLINK-15569
                 URL: https://issues.apache.org/jira/browse/FLINK-15569
             Project: Flink
          Issue Type: Improvement
          Components: Documentation
    Affects Versions: 1.10.0
            Reporter: Jeff Zhang
         Attachments: image-2020-01-13-16-59-00-022.png

Should use JTuple2 instead of JTuple1

 !image-2020-01-13-16-59-00-022.png! 



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