panbingkun commented on PR #48261: URL: https://github.com/apache/spark/pull/48261#issuecomment-2378263109
> I have also noticed this phenomenon before, which is quite common in Spark's expression functions. I guess the `NullIntolerant` lead to the result. `NullIntolerant` is a specification that most expression followed. I don't know if we need to break this constraint. Yea, that's it (`NullIntolerant`) -- 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: reviews-unsubscr...@spark.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org For additional commands, e-mail: reviews-h...@spark.apache.org