akashrn5 commented on a change in pull request #3584: [WIP] Support 
SegmentLevel MinMax for better Pruning and less driver memory usage for cache
URL: https://github.com/apache/carbondata/pull/3584#discussion_r379379224
 
 

 ##########
 File path: 
integration/spark2/src/main/scala/org/apache/carbondata/spark/rdd/CarbonDataRDDFactory.scala
 ##########
 @@ -315,7 +316,10 @@ object CarbonDataRDDFactory {
     val carbonTable = carbonLoadModel.getCarbonDataLoadSchema.getCarbonTable
     var status: Array[(String, (LoadMetadataDetails, ExecutionErrors))] = null
     var res: Array[List[(String, (LoadMetadataDetails, ExecutionErrors))]] = 
null
-
+    // accumulator to collect segment minmax
+    val minMaxAccumulator = sqlContext
 
 Review comment:
   rename to `segmentMinMaxAccumulator`

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