dbatomic commented on code in PR #46597: URL: https://github.com/apache/spark/pull/46597#discussion_r1626078580
########## sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/aggregate/Mode.scala: ########## @@ -48,6 +49,21 @@ case class Mode( override def inputTypes: Seq[AbstractDataType] = Seq(AnyDataType) + override def checkInputDataTypes(): TypeCheckResult = { + val defaultCheck = super.checkInputDataTypes() + if (defaultCheck.isFailure) { + defaultCheck + } else if (UnsafeRowUtils.isBinaryStable(child.dataType) || + child.dataType.isInstanceOf[StringType]) { Review Comment: Also, maybe this should be easier to read: ```scala if (UnsafeRowUtils.isBinaryStable(child.dataType) || child.dataType.isInstanceOf[StringType]) { super.checkInputDataTypes() } else { TypeCheckResult.TypeCheckFailure(...) } ``` -- 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