Hisoka-X commented on PR #42951: URL: https://github.com/apache/spark/pull/42951#issuecomment-1722242679
> > Maybe because empty means do nothing this time? > > If do nothing, what's the reason to expect some input types which extending of `ExpectsInputTypes` assumes? Different input types may require different implicit conversions. Whether to perform conversion depends on the type of input and the characteristics of the function. There is no way to know whether conversion is required when the function is defined. -- 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
