hvanhovell commented on a change in pull request #27266: [SPARK-22590][SQL]
Copy sparkContext.localproperties to child thread in
BroadcastExchangeExec.executionContext
URL: https://github.com/apache/spark/pull/27266#discussion_r372939597
##########
File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/SQLExecution.scala
##########
@@ -182,4 +182,22 @@ object SQLExecution {
body
}(exec)
}
+
+ /**
+ * Wrap passed function to ensure necessary thread-local variables like
+ * SparkContext local properties are forwarded to execution thread
+ */
+ def withThreadLocalCaptured[T](
+ sparkSession: SparkSession)(body: => T): Callable[T] = {
+ val activeSession = sparkSession
+ val sc = sparkSession.sparkContext
+ val localProps = Utils.cloneProperties(sc.getLocalProperties)
+ () => {
+ SparkSession.setActiveSession(activeSession)
Review comment:
Please unset these once we you are done.
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