carbondata-issues mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From ravipesala <...@git.apache.org>
Subject [GitHub] incubator-carbondata pull request #412: [CARBONDATA-519]Added vector reader ...
Date Fri, 16 Dec 2016 03:01:51 GMT
Github user ravipesala commented on a diff in the pull request:

    https://github.com/apache/incubator-carbondata/pull/412#discussion_r92744134
  
    --- 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;
    +    List<QueryDimension> queryDimension = queryModel.getQueryDimension();
    +    List<QueryMeasure> queryMeasures = queryModel.getQueryMeasures();
    +    CarbonColumnVector[] vectors =
    +        new CarbonColumnVector[queryDimension.size() + queryMeasures.size()];
    +    for (int i = 0; i < queryDimension.size(); i++) {
    +      QueryDimension dim = queryDimension.get(i);
    +      if (dim.getDimension().hasEncoding(Encoding.DIRECT_DICTIONARY)) {
    +        vectors[dim.getQueryOrder()] = new CarbonColumnVectorImpl(batchSize, DataType.LONG);
    +      } else if (!dim.getDimension().hasEncoding(Encoding.DICTIONARY)) {
    +        vectors[dim.getQueryOrder()] =
    +            new CarbonColumnVectorImpl(batchSize, dim.getDimension().getDataType());
    +      } else if (dim.getDimension().isComplex()) {
    +        vectors[dim.getQueryOrder()] = new CarbonColumnVectorImpl(batchSize, DataType.STRUCT);
    +      } else {
    +        vectors[dim.getQueryOrder()] = new CarbonColumnVectorImpl(batchSize, DataType.INT);
    +      }
    +    }
    +
    +    for (int i = 0; i < queryMeasures.size(); i++) {
    +      QueryMeasure msr = queryMeasures.get(i);
    +      switch (msr.getMeasure().getDataType()) {
    +        case SHORT:
    +        case INT:
    +        case LONG:
    +          vectors[msr.getQueryOrder()] =
    +              new CarbonColumnVectorImpl(batchSize, msr.getMeasure().getDataType());
    +          break;
    +        case DECIMAL:
    +          vectors[msr.getQueryOrder()] = new CarbonColumnVectorImpl(batchSize, DataType.DECIMAL);
    +          break;
    +        default:
    +          vectors[msr.getQueryOrder()] = new CarbonColumnVectorImpl(batchSize, DataType.DOUBLE);
    +      }
    --- End diff --
    
    No we can't use as we support few datatypes while storing reading measure data.
    Anyway this method is not used now, I am removing it


---
If your project is set up for it, you can reply to this email and have your
reply appear on GitHub as well. If your project does not have this feature
enabled and wishes so, or if the feature is enabled but not working, please
contact infrastructure at infrastructure@apache.org or file a JIRA ticket
with INFRA.
---

Mime
View raw message