[jira] [Created] (FLINK-20701) print connector supports outputting seriailzed record

[Shang Yuanchun (Jira)]

zoucao created FLINK-20701:
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             Summary: print connector supports outputting seriailzed record
                 Key: FLINK-20701
                 URL: https://issues.apache.org/jira/browse/FLINK-20701
             Project: Flink
          Issue Type: Improvement
          Components: Table SQL / Ecosystem
    Affects Versions: 1.13.0
            Reporter: zoucao


Hi all， print connector is designed for debugging，and it gives us better access to data. If I want to debug source connector and SQL statement, I will use it to print the result. However, I don't have a good choice to observe the seriailzed record, which will be sent to external connector when debugging. Consequently, we 'd better make print connetcor support outputting seriailzed record. We can use format=XXX to identify a seriailzed schema, help user to debug and understand the process of serialization.



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