sunchao commented on a change in pull request #35613:
URL: https://github.com/apache/spark/pull/35613#discussion_r812419063
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File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/SparkPlan.scala
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@@ -384,17 +385,31 @@ 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] {
+ Option(TaskContext.get()).foreach(_.addTaskCompletionListener[Unit](_ =>
closeIfNeeded()))
private var sizeOfNextRow = ins.readInt()
Review comment:
Yea seems you are right. `decodeUnsafeRows` is only called on collected
result from driver. Hmm in this case I wonder if we should find other ways to
make sure the input stream is closed at the end.
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