Github user tedyu commented on a diff in the pull request:
https://github.com/apache/spark/pull/12830#discussion_r61821150
--- Diff: sql/core/src/main/scala/org/apache/spark/sql/SparkSession.scala
---
@@ -635,6 +642,122 @@ class SparkSession private(
object SparkSession {
+ /**
+ * Builder for [[SparkSession]].
+ */
+ class Builder {
+
+ private[this] val options = new
scala.collection.mutable.HashMap[String, String]
+
+ /**
+ * Sets a name for the application, which will be shown in the Spark
web UI.
+ *
+ * @since 2.0.0
+ */
+ def appName(name: String): Builder = config("spark.app.name", name)
+
+ /**
+ * Sets a config option. Options set using this method are
automatically propagated to
+ * both [[SparkConf]] and SparkSession's own configuration.
+ *
+ * @since 2.0.0
+ */
+ def config(key: String, value: String): Builder = synchronized {
+ options += key -> value
+ this
+ }
+
+ /**
+ * Sets a config option. Options set using this method are
automatically propagated to
+ * both [[SparkConf]] and SparkSession's own configuration.
+ *
+ * @since 2.0.0
+ */
+ def config(key: String, value: Long): Builder = synchronized {
--- End diff --
What about other primitive types for the value: Int, Float, Short ?
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