Github user brkyvz commented on a diff in the pull request:

    https://github.com/apache/spark/pull/15307#discussion_r82872469
  
    --- Diff: 
sql/core/src/main/scala/org/apache/spark/sql/execution/streaming/StreamExecution.scala
 ---
    @@ -176,7 +184,9 @@ class StreamExecution(
           // Mark ACTIVE and then post the event. QueryStarted event is 
synchronously sent to listeners,
           // so must mark this as ACTIVE first.
           state = ACTIVE
    -      postEvent(new QueryStarted(this.toInfo)) // Assumption: Does not 
throw exception.
    +      
sparkSession.sparkContext.env.metricsSystem.registerSource(streamMetrics)
    +      updateStatus()
    +      postEvent(new QueryStarted(currentStatus)) // Assumption: Does not 
throw exception.
    --- End diff --
    
    it's good to be consistent. Otherwise if you want to change the behavior of 
status for example, then this line will not be left orphaned. 


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