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From: chenerlu <git@git.apache.org>
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Subject: [GitHub] carbondata pull request #877: [CARBONDATA-951] create table ddl can specify ...
Content-Type: text/plain
Message-Id: <20170511070928.15589DFFB2@git1-us-west.apache.org>
Date: Thu, 11 May 2017 07:09:28 +0000 (UTC)
archived-at: Thu, 11 May 2017 07:09:29 -0000

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

    https://github.com/apache/carbondata/pull/877#discussion_r115917852
  
    --- Diff: core/src/main/java/org/apache/carbondata/core/datastore/chunk/store/impl/safe/SafeBitMapDimensionDataChunkStore.java ---
    @@ -0,0 +1,213 @@
    +/*
    + * 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.datastore.chunk.store.impl.safe;
    +
    +import java.util.BitSet;
    +import java.util.List;
    +
    +import org.apache.carbondata.core.scan.filter.executer.AbstractFilterExecuter.FilterOperator;
    +import org.apache.carbondata.core.util.BitSetGroup;
    +import org.apache.carbondata.core.util.ByteUtil;
    +import org.apache.carbondata.core.util.CarbonUtil;
    +
    +/**
    + * Below class will be used to store bitmap dimension data
    + */
    +public class SafeBitMapDimensionDataChunkStore extends SafeAbsractDimensionDataChunkStore {
    +
    +  /**
    +   * Size of each value
    +   */
    +  private int columnValueSize;
    +  private byte[][] bitmap_encoded_dictionaries;
    +  private int[] bitmap_data_pages_offset;
    +  private BitSetGroup bitSetGroup;
    +  private boolean isGeneratedBitSetFlg = false;
    +  private byte[] dictionaryData;
    +
    +  public SafeBitMapDimensionDataChunkStore(List<Integer> bitmap_encoded_dictionaries,
    +      List<Integer> bitmap_data_pages_length, int columnValueSize) {
    +    super(false);
    +    this.columnValueSize = columnValueSize;
    +    int arraySize = bitmap_encoded_dictionaries.size();
    +    this.bitmap_encoded_dictionaries = new byte[arraySize][];
    +    this.bitmap_data_pages_offset = new int[bitmap_data_pages_length.size()];
    +    for (int i = 0; i < arraySize; i++) {
    +      this.bitmap_encoded_dictionaries[i] = ByteUtil
    +          .convertIntToByteArray(bitmap_encoded_dictionaries.get(i), columnValueSize);
    +      this.bitmap_data_pages_offset[i] = bitmap_data_pages_length.get(i);
    +    }
    +    this.bitmap_data_pages_offset[arraySize] = bitmap_data_pages_length.get(arraySize);
    +
    --- End diff --
    
    delete spaceline


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