hannahkamundson commented on code in PR #44336: URL: https://github.com/apache/spark/pull/44336#discussion_r1433134058
########## sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/Expression.scala: ########## @@ -1300,14 +1301,16 @@ trait ComplexTypeMergingExpression extends Expression { lazy val inputTypesForMerging: Seq[DataType] = children.map(_.dataType) def dataTypeCheck: Unit = { - require( - inputTypesForMerging.nonEmpty, - "The collection of input data types must not be empty.") - require( - TypeCoercion.haveSameType(inputTypesForMerging), - "All input types must be the same except nullable, containsNull, valueContainsNull flags. " + - s"The expression is: $this. " + - s"The input types found are\n\t${inputTypesForMerging.mkString("\n\t")}.") + SparkException.require( + requirement = inputTypesForMerging.nonEmpty, + errorClass = "COMPLEX_EXPRESSION_UNSUPPORTED_INPUT.NO_INPUTS", Review Comment: I'm pretty sure they are public facing because they are called form things like `Least`. I'll add tests -- 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