Github user liancheng commented on a diff in the pull request:
https://github.com/apache/spark/pull/6747#discussion_r32297770
--- Diff: sql/core/src/main/scala/org/apache/spark/sql/SQLConf.scala ---
@@ -304,6 +574,16 @@ private[sql] class SQLConf extends Serializable with
CatalystConf {
*/
def getAllConfs: immutable.Map[String, String] = settings.synchronized {
settings.toMap }
+ /**
+ * Return all the configuration definitions that have been defined in
[[SQLConf]]. Each
+ * definition contains key, defaultValue and doc.
+ */
+ def getAllDefinedConfs: Seq[(String, String, String)] =
sqlConfEntries.synchronized {
+ sqlConfEntries.values.filter(_.isPublic).map { entry =>
+ (entry.key, entry.defaultValueString, entry.doc)
+ }.toSeq
+ }
+
private[spark] def unsetConf(key: String) {
--- End diff --
Adding a `def unsetConf[T](entry: SQLConfEntry[T])` here can be convenient.
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