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From piaoyats <...@git.apache.org>
Subject [GitHub] incubator-carbondata pull request #412: [CARBONDATA-519]Added vector reader ...
Date Thu, 15 Dec 2016 02:31:24 GMT
Github user piaoyats commented on a diff in the pull request:

    https://github.com/apache/incubator-carbondata/pull/412#discussion_r92533460
  
    --- Diff: core/src/main/java/org/apache/carbondata/scan/executor/QueryExecutorFactory.java
---
    @@ -18,15 +18,69 @@
      */
     package org.apache.carbondata.scan.executor;
     
    +import java.util.List;
    +
    +import org.apache.carbondata.core.carbon.metadata.datatype.DataType;
    +import org.apache.carbondata.core.carbon.metadata.encoder.Encoding;
     import org.apache.carbondata.scan.executor.impl.DetailQueryExecutor;
    +import org.apache.carbondata.scan.executor.impl.VectorDetailQueryExecutor;
    +import org.apache.carbondata.scan.model.QueryDimension;
    +import org.apache.carbondata.scan.model.QueryMeasure;
    +import org.apache.carbondata.scan.model.QueryModel;
    +import org.apache.carbondata.scan.result.vector.CarbonColumnVector;
    +import org.apache.carbondata.scan.result.vector.CarbonColumnarBatch;
    +import org.apache.carbondata.scan.result.vector.impl.CarbonColumnVectorImpl;
     
     /**
      * Factory class to get the query executor from RDD
      * This will return the executor based on query type
      */
     public class QueryExecutorFactory {
     
    -  public static QueryExecutor getQueryExecutor() {
    -    return new DetailQueryExecutor();
    +  public static QueryExecutor getQueryExecutor(QueryModel queryModel) {
    +    if (queryModel.isVectorReader()) {
    +      return new VectorDetailQueryExecutor();
    +    } else {
    +      return new DetailQueryExecutor();
    +    }
    +  }
    +
    +  public static CarbonColumnarBatch createColuminarBatch(QueryModel queryModel) {
    +    int batchSize = 10000;
    --- End diff --
    
    Can we set batchSize through configuration? which is useful for tuning.  


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