[GitHub] carbondata pull request #2191: [CARBONDATA-2381] Improve compaction performa...

[jackylk]

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

    https://github.com/apache/carbondata/pull/2191#discussion_r183304952
  
    --- Diff: 
core/src/main/java/org/apache/carbondata/core/scan/collector/impl/AbstractScannedResultCollector.java
 ---
    @@ -57,10 +59,14 @@
        */
       protected DimensionInfo dimensionInfo;
     
    -  public AbstractScannedResultCollector(BlockExecutionInfo 
blockExecutionInfos) {
    +  protected QueryStatisticsModel queryStatisticsModel;
    --- End diff --
    
    Why this is needed, can you provide description in comment


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