[SPARK-21901][SS] Define toString for StateOperatorProgress

## What changes were proposed in this pull request? Just `StateOperatorProgress.toString` + few formatting fixes ## How was this patch tested? Local build. Waiting for OK from Jenkins. Author: Jacek Laskowski <jacek@japila.pl> Closes #19112 from jaceklaskowski/SPARK-21901-StateOperatorProgress-toString.
apache · Sep 6, 2017 · fa0092b · fa0092b
1 parent acdf45f
commit fa0092b
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/sql/core/src/main/scala/org/apache/spark/sql/streaming/progress.scala b/sql/core/src/main/scala/org/apache/spark/sql/streaming/progress.scala
@@ -55,6 +55,8 @@ class StateOperatorProgress private[sql](
     ("numRowsUpdated" -> JInt(numRowsUpdated)) ~
     ("memoryUsedBytes" -> JInt(memoryUsedBytes))
   }
+
+  override def toString: String = prettyJson
 }
 
 /**