uros-db commented on code in PR #46597:
URL: https://github.com/apache/spark/pull/46597#discussion_r1613351378
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sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/aggregate/Mode.scala:
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@@ -48,6 +49,21 @@ case class Mode(
override def inputTypes: Seq[AbstractDataType] = Seq(AnyDataType)
+ override def checkInputDataTypes(): TypeCheckResult = {
+ val defaultCheck = super.checkInputDataTypes()
+ if (defaultCheck.isFailure) {
+ defaultCheck
+ } else if (UnsafeRowUtils.isBinaryStable(child.dataType) ||
+ child.dataType.isInstanceOf[StringType]) {
+ defaultCheck
Review Comment:
```suggestion
TypeCheckResult.TypeCheckSuccess
```
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