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------------------ ???????? ------------------ ??????: "user-zh" <jank...@163.com>; ????????: 2021??12??13??(??????) ????5:27 ??????: "user-zh"<user-zh@flink.apache.org>; ????: flinksql source ???????????????????????? ??????????flinkSQL KafkaConnector??????????Source???????????????????????????????????? ???????????? 1?????????? > source????????????????, ???????????????????????? 2???????? ??????>?????????? source vertex?? Source: TableSourceScan->Calc(select??); ??Calc??select..????cpu??????json??????????????????????????????????????Calc??????????????????????????????????kafka?????????????????????????? ?????????????????????????? / ??????????????????