Github user JoshRosen commented on a diff in the pull request:
https://github.com/apache/spark/pull/1551#discussion_r15554294
--- Diff: core/src/main/scala/org/apache/spark/api/python/PythonRDD.scala
---
@@ -312,42 +314,51 @@ private[spark] object PythonRDD extends Logging {
JavaRDD.fromRDD(sc.sc.parallelize(objs, parallelism))
}
+ @tailrec
def writeIteratorToStream[T](iter: Iterator[T], dataOut:
DataOutputStream) {
// The right way to implement this would be to use TypeTags to get the
full
// type of T. Since I don't want to introduce breaking changes
throughout the
// entire Spark API, I have to use this hacky approach:
+ def writeBytes(bytes: Array[Byte]) {
--- End diff --
Is there a legitimate case where a Iterator[Array[Byte]] will contain a
null? I was hoping we'd only have to worry about nulls in Iterator[String].
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