rajarshisarkar commented on issue #3617:
URL: https://github.com/apache/iceberg/issues/3617#issuecomment-981664871


   Seems like Spark has a validation in `CheckAnalysis` to restrict changing 
nullable column to non-nullable.
   
   
https://github.com/apache/spark/blob/5d45a415f3a29898d92380380cfd82bfc7f579ea/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/CheckAnalysis.scala#L1009-L1013


-- 
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.

To unsubscribe, e-mail: [email protected]

For queries about this service, please contact Infrastructure at:
[email protected]



---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]

Reply via email to