kevins-29 commented on a change in pull request #35613:
URL: https://github.com/apache/spark/pull/35613#discussion_r812365874
##########
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()
- override def hasNext: Boolean = sizeOfNextRow >= 0
- override def next(): InternalRow = {
- val bs = new Array[Byte](sizeOfNextRow)
- ins.readFully(bs)
- val row = new UnsafeRow(nFields)
- row.pointTo(bs, sizeOfNextRow)
- sizeOfNextRow = ins.readInt()
- row
+ override def getNext(): InternalRow = {
+ if (sizeOfNextRow >= 0) {
Review comment:
I think it would be redundant as `getNext()` is only called from
`hasNext` and only if `!finished`
```
override def hasNext: Boolean = {
if (!finished) {
if (!gotNext) {
nextValue = getNext()
if (finished) {
closeIfNeeded()
}
gotNext = true
}
}
!finished
}
```
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