HyukjinKwon commented on a change in pull request #28754:
URL: https://github.com/apache/spark/pull/28754#discussion_r437128608
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File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/aggregate/Average.scala
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@@ -40,10 +40,17 @@ case class Average(child: Expression) extends
DeclarativeAggregate with Implicit
override def children: Seq[Expression] = child :: Nil
- override def inputTypes: Seq[AbstractDataType] = Seq(NumericType)
+ override def inputTypes: Seq[AbstractDataType] = Seq(NumericType, DateType)
Review comment:
@Fokko, before you go further, can we check other DBMSes as references?
I would like to avoid having a variant behaviour in Spark alone compared to
other DBMSes ...
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