Github user dongjoon-hyun commented on a diff in the pull request:
https://github.com/apache/spark/pull/18512#discussion_r125252781
--- Diff: sql/core/src/main/scala/org/apache/spark/sql/SparkSession.scala
---
@@ -904,22 +906,14 @@ object SparkSession {
// No active nor global default session. Create a new one.
val sparkContext = userSuppliedContext.getOrElse {
- // set app name if not given
- val randomAppName = java.util.UUID.randomUUID().toString
val sparkConf = new SparkConf()
options.foreach { case (k, v) => sparkConf.set(k, v) }
--- End diff --
This line is changed. `options` are copied into new SparkConf.
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