ulysses-you commented on pull request #30974: URL: https://github.com/apache/spark/pull/30974#issuecomment-760693554
Seems there is another issue, `Literal(null, NullType)` will be convert to other data type during analysis. Then `Null` will be `CAST(Null AS xxx)`. https://github.com/apache/spark/blob/00d43b1f829fb5f79f0355afbbacc804162648e5/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/literals.scala#L390-L392 ---------------------------------------------------------------- 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]
