maropu commented on a change in pull request #26465: [SPARK-29390][SQL] Add the
justify_days(), justify_hours() and justif_interval() functions
URL: https://github.com/apache/spark/pull/26465#discussion_r345511796
##########
File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/intervalExpressions.scala
##########
@@ -257,3 +257,69 @@ case class MakeInterval(
override def prettyName: String = "make_interval"
}
+
+abstract class IntervalJustifyLike(
+ child: Expression,
+ justify: CalendarInterval => CalendarInterval,
+ justifyFuncName: String) extends UnaryExpression with ExpectsInputTypes {
+ override def inputTypes: Seq[AbstractDataType] = Seq(CalendarIntervalType)
+
+ override def dataType: DataType = CalendarIntervalType
+
+ override def nullSafeEval(input: Any): Any = {
+ try {
+ justify(input.asInstanceOf[CalendarInterval])
+ } catch {
+ case _: ArithmeticException => null
Review comment:
nit: `case NonFatal(_) =>`
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