cloud-fan commented on a change in pull request #30042:
URL: https://github.com/apache/spark/pull/30042#discussion_r505159391
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File path: sql/core/src/main/scala/org/apache/spark/sql/SparkSession.scala
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@@ -985,6 +985,14 @@ object SparkSession extends Logging {
* @since 2.0.0
*/
def setActiveSession(session: SparkSession): Unit = {
+ if (SQLConf.get.legacyAllowModifyActiveSession) {
+ setActiveSessionInternal(session)
+ } else {
+ throw new IllegalStateException("Not allowed to modify active Spark
session.")
Review comment:
`UnsupportedOperationException` is better IMO
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