maropu commented on pull request #28996:
URL: https://github.com/apache/spark/pull/28996#issuecomment-653881086


   Is this a syntax-sugar of `df1.unionByName(df2.withColumn("c", lit(null)))`? 
The fused operation does not look like a SQL union, so how about adding a new 
API if this is useful for users?


----------------------------------------------------------------
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.

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