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From: chenliang613 <git@git.apache.org>
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Subject: [GitHub] carbondata pull request #1142: [CARBONDATA-1271] Enhanced Performance for Hi...
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Message-Id: <20170708040745.06F61E037F@git1-us-west.apache.org>
Date: Sat,  8 Jul 2017 04:07:45 +0000 (UTC)
archived-at: Sat, 08 Jul 2017 04:07:47 -0000

Github user chenliang613 commented on a diff in the pull request:

    https://github.com/apache/carbondata/pull/1142#discussion_r126274038
  
    --- Diff: integration/hive/src/main/java/org/apache/carbondata/hive/DictionaryDecodeReadSupport.java ---
    @@ -0,0 +1,288 @@
    +/*
    + * 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.hive;
    +
    +import java.io.IOException;
    +import java.sql.Date;
    +import java.sql.Timestamp;
    +import java.util.ArrayList;
    +import java.util.List;
    +
    +import org.apache.carbondata.core.cache.Cache;
    +import org.apache.carbondata.core.cache.CacheProvider;
    +import org.apache.carbondata.core.cache.CacheType;
    +import org.apache.carbondata.core.cache.dictionary.Dictionary;
    +import org.apache.carbondata.core.cache.dictionary.DictionaryColumnUniqueIdentifier;
    +import org.apache.carbondata.core.metadata.AbsoluteTableIdentifier;
    +import org.apache.carbondata.core.metadata.datatype.DataType;
    +import org.apache.carbondata.core.metadata.encoder.Encoding;
    +import org.apache.carbondata.core.metadata.schema.table.column.CarbonColumn;
    +import org.apache.carbondata.core.metadata.schema.table.column.CarbonDimension;
    +import org.apache.carbondata.core.util.CarbonUtil;
    +
    +import org.apache.carbondata.hadoop.readsupport.CarbonReadSupport;
    +
    +import org.apache.hadoop.hive.common.type.HiveDecimal;
    +import org.apache.hadoop.hive.serde2.io.DateWritable;
    +import org.apache.hadoop.hive.serde2.io.DoubleWritable;
    +import org.apache.hadoop.hive.serde2.io.HiveDecimalWritable;
    +import org.apache.hadoop.hive.serde2.io.ShortWritable;
    +import org.apache.hadoop.hive.serde2.io.TimestampWritable;
    +
    +import org.apache.hadoop.io.ArrayWritable;
    +import org.apache.hadoop.io.IntWritable;
    +import org.apache.hadoop.io.LongWritable;
    +import org.apache.hadoop.io.Text;
    +import org.apache.hadoop.io.Writable;
    +
    +import org.apache.spark.sql.catalyst.expressions.GenericInternalRow;
    +import org.apache.spark.sql.catalyst.util.GenericArrayData;
    +
    +/**
    + *  This is the class to decode dictionary encoded column data back to its original value.
    + */
    +public class DictionaryDecodeReadSupport<T> implements CarbonReadSupport<T> {
    --- End diff --
    
    suggest changing this name to "CarbonDictionaryDecodeReadSupport"


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