Github user gatorsmile commented on a diff in the pull request:
https://github.com/apache/spark/pull/21436#discussion_r191313872
--- Diff: sql/core/src/main/scala/org/apache/spark/sql/SparkSession.scala
---
@@ -1021,21 +1021,33 @@ object SparkSession extends Logging {
/**
* Returns the active SparkSession for the current thread, returned by
the builder.
*
+ * @note Return None, when calling this function on executors
+ *
* @since 2.2.0
*/
def getActiveSession: Option[SparkSession] = {
- assertOnDriver()
--- End diff --
`assertOnDriver` is a helpful method. It might be useful to the other
scenarios in the future. Let us keep it.
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