Github user ravipesala commented on a diff in the pull request: https://github.com/apache/incubator-carbondata/pull/412#discussion_r91835389 --- Diff: hadoop/src/main/java/org/apache/carbondata/hadoop/CarbonRecordReader.java --- @@ -78,7 +80,13 @@ public void initialize(InputSplit inputSplit, TaskAttemptContext context) readSupport.initialize(queryModel.getProjectionColumns(), queryModel.getAbsoluteTableIdentifier()); try { - carbonIterator = new ChunkRowIterator(queryExecutor.execute(queryModel)); + if (queryModel.isVectorReader()) { + carbonIterator = new VectorChunkRowIterator( --- End diff -- I moved out this logic out of the class. And new `VectorizedCarbonRecordReader` is created.
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