maropu commented on a change in pull request #28316:
URL: https://github.com/apache/spark/pull/28316#discussion_r414206819
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File path: sql/core/src/main/scala/org/apache/spark/sql/SparkSession.scala
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@@ -905,7 +905,9 @@ object SparkSession extends Logging {
// Get the session from current thread's active session.
var session = activeThreadSession.get()
if ((session ne null) && !session.sparkContext.isStopped) {
- options.foreach { case (k, v) =>
session.sessionState.conf.setConfString(k, v) }
+ for ((k, v) <- options if !SQLConf.staticConfKeys.contains(k)) {
Review comment:
Could we have clearer warning message than `configuration may not take
effect` if `options` has any static config?
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