Github user HyukjinKwon commented on a diff in the pull request:
https://github.com/apache/spark/pull/21990#discussion_r221436261
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/SparkSessionExtensions.scala ---
@@ -169,3 +178,29 @@ class SparkSessionExtensions {
parserBuilders += builder
}
}
+
+object SparkSessionExtensions extends Logging {
+
+ /**
+ * Initialize extensions if the user has defined a configurator class in
their SparkConf.
+ * This class will be applied to the extensions passed into this
function.
+ */
+ private[sql] def applyExtensionsFromConf(conf: SparkConf, extensions:
SparkSessionExtensions) {
--- End diff --
Can you just put this in `SparkSession` object and make it `private[spark]`?
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