viirya opened a new pull request #23719: [SPARK-26808][SQL] Pruned schema 
should not change nullability
URL: https://github.com/apache/spark/pull/23719
 
 
   ## What changes were proposed in this pull request?
   
   We prune unnecessary nested fields from requested schema when reading 
Parquet. Now seems we don't keep original nullability in pruned schema. We 
should keep original nullability.
   
   ## How was this patch tested?
   
   Added unit test.

----------------------------------------------------------------
This is an automated message from the Apache Git Service.
To respond to the message, please log on GitHub and use the
URL above to go to the specific comment.
 
For queries about this service, please contact Infrastructure at:
[email protected]


With regards,
Apache Git Services

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

Reply via email to