[GitHub] [carbondata] Indhumathi27 commented on a change in pull request #3475: [WIP] Optimize getSplits() during compaction

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Indhumathi27 commented on a change in pull request #3475: [WIP] Optimize getSplits() during compaction
URL: https://github.com/apache/carbondata/pull/3475#discussion_r349926548
 
 

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 File path: integration/spark-common/src/main/scala/org/apache/carbondata/spark/rdd/CarbonMergerRDD.scala
 ##########
 @@ -359,6 +359,8 @@ class CarbonMergerRDD[K, V](
       loadMetadataDetails = SegmentStatusManager
         .readLoadMetadata(CarbonTablePath.getMetadataPath(tablePath))
     }
+
+    val validSegIds: java.util.List[String] = new util.ArrayList[String]()
     // for each valid segment.
     for (eachSeg <- carbonMergerMapping.validSegments) {
       // In case of range column get the size for calculation of number of ranges
 
 Review comment:
   `if(null != rangeColumn)` check is for calculating the total size for range column based on valid segments in the loop. so, i think it cannot be optimized further

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