cloud-fan commented on a change in pull request #34077:
URL: https://github.com/apache/spark/pull/34077#discussion_r716461638
##########
File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/util/SQLOpenHashSet.scala
##########
@@ -60,6 +61,54 @@ class SQLOpenHashSet[@specialized(Long, Int, Double, Float)
T: ClassTag](
}
object SQLOpenHashSet {
+ def withNullCheckFunc(
+ dataType: DataType,
+ hashSet: SQLOpenHashSet[Any],
+ handleNotNull: Any => Unit,
+ handleNull: () => Unit): (ArrayData, Int) => Unit = {
+ (array: ArrayData, index: Int) =>
+ if (array.isNullAt(index)) {
+ if (!hashSet.containsNull) {
+ hashSet.addNull
Review comment:
```suggestion
hashSet.addNull()
```
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