Github user dongjoon-hyun commented on a diff in the pull request: https://github.com/apache/spark/pull/14353#discussion_r72375060 --- Diff: sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/complexTypeCreator.scala --- @@ -33,13 +33,24 @@ case class CreateArray(children: Seq[Expression]) extends Expression { override def foldable: Boolean = children.forall(_.foldable) - override def checkInputDataTypes(): TypeCheckResult = - TypeUtils.checkForSameTypeInputExpr(children.map(_.dataType), "function array") + override def checkInputDataTypes(): TypeCheckResult = { + if (children.map(_.dataType).forall(_.isInstanceOf[DecimalType])) { + TypeCheckResult.TypeCheckSuccess --- End diff -- Hi, @yhuai . Could you give me some advice?
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