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Posted to issues@flink.apache.org by "waywtdcc (Jira)" <ji...@apache.org> on 2021/07/09 09:09:00 UTC

[jira] [Created] (FLINK-23328) UDF Improvement

waywtdcc created FLINK-23328:
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             Summary: UDF Improvement
                 Key: FLINK-23328
                 URL: https://issues.apache.org/jira/browse/FLINK-23328
             Project: Flink
          Issue Type: Improvement
          Components: Table SQL / API
    Affects Versions: 1.12.2
            Reporter: waywtdcc


Would you like to ask if you can add a field to the input stream with sql, this field represents the number of occurrences of the current value of a field? I hope that SQL can be more extensible, support keyby plus custom udf, and udf can access state in the same way as keyedprocessonfunction



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