Github user maropu commented on a diff in the pull request:
https://github.com/apache/spark/pull/7392#discussion_r34590505
--- Diff: core/src/main/scala/org/apache/spark/TaskContext.scala ---
@@ -32,7 +32,13 @@ object TaskContext {
*/
def get(): TaskContext = taskContext.get
- private val taskContext: ThreadLocal[TaskContext] = new
ThreadLocal[TaskContext]
+ /**
+ * Returns the partition id of currently active TaskContext. It will
return 0
+ * if there is no active TaskContext for cases like local execution.
+ */
+ def getPartitionId(): Int =
Option(taskContext.get).map(_.partitionId).getOrElse(0)
--- End diff --
We also need to fix codes for other ids (stageId and attemptId) to return 0
if taskContext not defined?
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