Address PR comment

imback82 · imback82 · commit 80df4dc7318a · 2020-07-17T10:34:44.000-07:00
diff --git a/sql/catalyst/src/main/scala/org/apache/spark/sql/internal/SQLConf.scala b/sql/catalyst/src/main/scala/org/apache/spark/sql/internal/SQLConf.scala
@@ -2667,6 +2667,7 @@ object SQLConf {
 
   val BROADCAST_HASH_JOIN_OUTPUT_PARTITIONING_EXPAND_LIMIT =
     buildConf("spark.sql.execution.broadcastHashJoin.outputPartitioningExpandLimit")
+      .internal()
       .doc("The maximum number of partitionings that a HashPartitioning can be expanded to. " +
         "This configuration is applicable only for inner joins and can be set to '0' to disable " +
         "this feature.")
