HeartSaVioR commented on code in PR #45977:
URL: https://github.com/apache/spark/pull/45977#discussion_r1580640494
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sql/core/src/main/scala/org/apache/spark/sql/execution/python/PythonStreamingSourceRunner.scala:
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@@ -164,7 +178,20 @@ class PythonStreamingSourceRunner(
val pickledPartition: Array[Byte] = PythonWorkerUtils.readBytes(dataIn)
pickledPartitions.append(pickledPartition)
}
- pickledPartitions.toArray
+ val prefetchedRecordsStatus = dataIn.readInt()
+ val iter: Option[Iterator[InternalRow]] = prefetchedRecordsStatus match {
+ case NON_EMPTY_PYARROW_RECORD_BATCHES => Some(readArrowRecordBatches())
+ case PREFETCHED_RECORDS_NOT_FOUND => None
Review Comment:
What do we do if we hit this line?
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