uros-db commented on code in PR #47154:
URL: https://github.com/apache/spark/pull/47154#discussion_r1723068016
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sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/aggregate/Mode.scala:
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@@ -50,17 +50,19 @@ case class Mode(
override def inputTypes: Seq[AbstractDataType] = Seq(AnyDataType)
override def checkInputDataTypes(): TypeCheckResult = {
- if (UnsafeRowUtils.isBinaryStable(child.dataType) ||
child.dataType.isInstanceOf[StringType]) {
+ if (UnsafeRowUtils.isBinaryStable(child.dataType) ||
+ !child.dataType.existsRecursively(f => f.isInstanceOf[MapType] &&
+ !UnsafeRowUtils.isBinaryStable(f))) {
/*
* The Mode class uses collation awareness logic to handle string data.
* Complex types with collated fields are not yet supported.
Review Comment:
```suggestion
* All complex types except MapType with collated fields are
supported.
```
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