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From chenliang613 <...@git.apache.org>
Subject [GitHub] carbondata pull request #1218: [CARBONDATA-1347] Implemented Columnar Readin...
Date Tue, 08 Aug 2017 07:41:34 GMT
Github user chenliang613 commented on a diff in the pull request:

    https://github.com/apache/carbondata/pull/1218#discussion_r131841330
  
    --- Diff: core/src/main/java/org/apache/carbondata/core/scan/collector/impl/ColumnBasedResultCollector.java
---
    @@ -0,0 +1,233 @@
    +/*
    + * Licensed to the Apache Software Foundation (ASF) under one or more
    + * contributor license agreements.  See the NOTICE file distributed with
    + * this work for additional information regarding copyright ownership.
    + * The ASF licenses this file to You under the Apache License, Version 2.0
    + * (the "License"); you may not use this file except in compliance with
    + * the License.  You may obtain a copy of the License at
    + *
    + *    http://www.apache.org/licenses/LICENSE-2.0
    + *
    + * Unless required by applicable law or agreed to in writing, software
    + * distributed under the License is distributed on an "AS IS" BASIS,
    + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    + * See the License for the specific language governing permissions and
    + * limitations under the License.
    + */
    +package org.apache.carbondata.core.scan.collector.impl;
    +
    +import java.nio.ByteBuffer;
    +import java.util.ArrayList;
    +import java.util.Arrays;
    +import java.util.List;
    +import java.util.Map;
    +
    +import org.apache.carbondata.core.keygenerator.directdictionary.DirectDictionaryGenerator;
    +import org.apache.carbondata.core.keygenerator.directdictionary.DirectDictionaryKeyGeneratorFactory;
    +import org.apache.carbondata.core.metadata.datatype.DataType;
    +import org.apache.carbondata.core.metadata.encoder.Encoding;
    +import org.apache.carbondata.core.scan.executor.infos.BlockExecutionInfo;
    +import org.apache.carbondata.core.scan.filter.GenericQueryType;
    +import org.apache.carbondata.core.scan.model.QueryDimension;
    +import org.apache.carbondata.core.scan.model.QueryMeasure;
    +import org.apache.carbondata.core.scan.result.AbstractScannedResult;
    +import org.apache.carbondata.core.util.CarbonUtil;
    +import org.apache.carbondata.core.util.DataTypeUtil;
    +
    +import static org.apache.carbondata.core.constants.CarbonCommonConstants.CARBON_IMPLICIT_COLUMN_TUPLEID;
    +import static org.apache.carbondata.core.constants.CarbonCommonConstants.COLUMNAR_DATA_READ_BATCH_SIZE;
    +import static org.apache.carbondata.core.constants.CarbonCommonConstants.FILE_SEPARATOR;
    +
    +import org.apache.commons.lang3.ArrayUtils;
    +
    +/**
    + * It is not a collector it is just a scanned result holder.
    + */
    +public class ColumnBasedResultCollector extends AbstractScannedResultCollector {
    +
    +  protected QueryDimension[] queryDimensions;
    +
    +  protected QueryMeasure[] queryMeasures;
    +  /**
    +   * query order
    +   */
    +  protected int[] order;
    +  private DirectDictionaryGenerator[] directDictionaryGenerators;
    +  private int[] actualIndexInSurrogateKey;
    +
    +  private boolean[] dictionaryEncodingArray;
    +
    +  private boolean[] directDictionaryEncodingArray;
    +
    +  private boolean[] implictColumnArray;
    +
    +  private boolean[] complexDataTypeArray;
    +
    +  private int dictionaryColumnIndex;
    +  private int noDictionaryColumnIndex;
    +  private int complexTypeColumnIndex;
    +
    +  private boolean isDimensionExists;
    +
    +  private Map<Integer, GenericQueryType> comlexDimensionInfoMap;
    --- End diff --
    
    complexDimensionInfoMap?


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