prathit06 commented on issue #9391:
URL: https://github.com/apache/hudi/issues/9391#issuecomment-1669955523

   Hi @vinothchandar 
   
   My idea is to `extend the Hudi metadata columns` itself similar to what is 
done 
[here](https://github.com/apache/hudi/blob/master/hudi-utilities/src/main/java/org/apache/hudi/utilities/schema/KafkaOffsetPostProcessor.java#L56).
   
   Doing so will make sure
   
   a. No issues with schema evolution as metadata columns are added during 
postprocess of kafka messages.
   b. End user will have flexibility to use the new kafka key column added as 
`HoodieRecord:key` using `hoodie.datasource.write.recordkey.field` property.
   
   Please let me know if i am missing something.


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