[GitHub] [carbondata] kunal642 commented on a change in pull request #3386: [WIP] : Pre-priming cache

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kunal642 commented on a change in pull request #3386: [WIP] : Pre-priming cache
URL: https://github.com/apache/carbondata/pull/3386#discussion_r326121522
 
 

 ##########
 File path: integration/spark2/src/main/scala/org/apache/carbondata/spark/rdd/CarbonDataRDDFactory.scala
 ##########
 @@ -591,6 +592,45 @@ object CarbonDataRDDFactory {
                      s"${ carbonLoadModel.getDatabaseName }.${ carbonLoadModel.getTableName }")
       }
 
+      // code to handle Pre-Priming cache for loading
+      val prop = CarbonProperties.getInstance
+        .getProperty(CarbonCommonConstants.CARBON_ENABLE_INDEX_SERVER)
+      if (prop != null) {
+        if (prop.toBoolean) {
+          val readCommittedScope = new TableStatusReadCommittedScope(AbsoluteTableIdentifier.from(
+            carbonLoadModel.getTablePath), hadoopConf)
+          if (carbonLoadModel.getSegmentId != null) {
+            val loadDetailsForCurrentSegment = readCommittedScope.getSegmentList
+              .find(_.getLoadName.equalsIgnoreCase(carbonLoadModel.getSegmentId)).get
+            val segmentToWrite: Segment = new Segment(carbonLoadModel.getSegmentId,
+              loadDetailsForCurrentSegment.getSegmentFile,
+              readCommittedScope, loadDetailsForCurrentSegment)
+            val invalidsegment: List[Nothing] = List()
+
+            if (carbonTable.isChildDataMap || carbonTable.isChildTable) {
+              LOGGER.info("Loading Child in cache")
+            }
+            else {
+              LOGGER.info("Loading main table in cache")
+            }
+
+            val IndexServerLoadEvent: IndexServerLoadEvent =
+              new IndexServerLoadEvent(
+                sqlContext.sparkSession,
+                carbonTable,
+                segmentToWrite,
+                invalidsegment
+              )
+            OperationListenerBus.getInstance().fireEvent(IndexServerLoadEvent, operationContext)
+            if (carbonLoadModel.getParentTablePath != null) {
 
 Review comment:
   Give proper message list "Pre-priming for <DBNAME_TABLENAME> is successful".

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