yaooqinn commented on a change in pull request #26347: [SPARK-29688][SQL]
Support average for interval type values
URL: https://github.com/apache/spark/pull/26347#discussion_r344033956
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File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/aggregate/Average.scala
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@@ -52,11 +51,13 @@ case class Average(child: Expression) extends
DeclarativeAggregate with Implicit
private lazy val resultType = child.dataType match {
case DecimalType.Fixed(p, s) =>
DecimalType.bounded(p + 4, s + 4)
+ case CalendarIntervalType => CalendarIntervalType
Review comment:
ok, I will change this and the one in the sumDataType
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