dongjoon-hyun commented on a change in pull request #35613:
URL: https://github.com/apache/spark/pull/35613#discussion_r812318264
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File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/SparkPlan.scala
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@@ -384,17 +385,34 @@ abstract class SparkPlan extends QueryPlan[SparkPlan]
with Logging with Serializ
val bis = new ByteArrayInputStream(bytes)
val ins = new DataInputStream(codec.compressedInputStream(bis))
- new Iterator[InternalRow] {
+ new NextIterator[InternalRow] {
+ private val taskContext: TaskContext = TaskContext.get()
+ if (taskContext != null) {
+ taskContext.addTaskCompletionListener[Unit] { _ => closeIfNeeded() }
+ }
Review comment:
Shall we simply like the following?
```scala
- private val taskContext: TaskContext = TaskContext.get()
- if (taskContext != null) {
- taskContext.addTaskCompletionListener[Unit] { _ => closeIfNeeded() }
- }
+ Option(TaskContext.get()).foreach(_.addTaskCompletionListener[Unit](_ =>
closeIfNeeded()))
```
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