[GitHub] carbondata pull request #1248: [CARBONDATA-1371] Support creating decoder ba...

[qiuchenjian-2]

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

    https://github.com/apache/carbondata/pull/1248#discussion_r134144789
 
    --- Diff: core/src/main/java/org/apache/carbondata/core/datastore/chunk/impl/MeasureRawColumnChunk.java ---
    @@ -67,19 +67,19 @@ public MeasureRawColumnChunk(int blockId, ByteBuffer rawData, int offSet, int le
       }
     
       /**
    -   * Convert raw data with specified page number processed to MeasureColumnDataChunk
    +   * Convert raw data with specified page number processed to ColumnPage
        * @param index
        * @return
        */
    -  public MeasureColumnDataChunk convertToMeasureColDataChunk(int index) {
    +  public ColumnPage convertToMeasureColDataChunk(int index) {
    --- End diff --
   
    fixed


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[qiuchenjian-2]

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

    https://github.com/apache/carbondata/pull/1248#discussion_r134145165
 
    --- Diff: core/src/main/java/org/apache/carbondata/core/datastore/chunk/reader/dimension/v3/CompressedDimensionChunkFileBasedReaderV3.java ---
    @@ -49,6 +59,8 @@
      */
     public class CompressedDimensionChunkFileBasedReaderV3 extends AbstractChunkReaderV2V3Format {
     
    +  private EncodingStrategy strategy = new DefaultEncodingStrategy();
    --- End diff --
   
    fixed


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[qiuchenjian-2]

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

    https://github.com/apache/carbondata/pull/1248#discussion_r134145643
 
    --- Diff: core/src/main/java/org/apache/carbondata/core/datastore/chunk/reader/dimension/v3/CompressedDimensionChunkFileBasedReaderV3.java ---
    @@ -194,72 +202,118 @@ public DimensionRawColumnChunk readRawDimensionChunk(FileHolder fileReader,
       /**
        * Below method will be used to convert the compressed dimension chunk raw data to actual data
        *
    -   * @param dimensionRawColumnChunk dimension raw chunk
    +   * @param rawColumnPage dimension raw chunk
        * @param pageNumber              number
        * @return DimensionColumnDataChunk
        */
       @Override public DimensionColumnDataChunk convertToDimensionChunk(
    -      DimensionRawColumnChunk dimensionRawColumnChunk, int pageNumber) throws IOException {
    -    byte[] dataPage = null;
    -    int[] invertedIndexes = null;
    -    int[] invertedIndexesReverse = null;
    -    int[] rlePage = null;
    -    // data chunk of page
    -    DataChunk2 dimensionColumnChunk = null;
    +      DimensionRawColumnChunk rawColumnPage, int pageNumber) throws IOException, MemoryException {
         // data chunk of blocklet column
    -    DataChunk3 dataChunk3 = dimensionRawColumnChunk.getDataChunkV3();
    +    DataChunk3 dataChunk3 = rawColumnPage.getDataChunkV3();
         // get the data buffer
    -    ByteBuffer rawData = dimensionRawColumnChunk.getRawData();
    -    dimensionColumnChunk = dataChunk3.getData_chunk_list().get(pageNumber);
    +    ByteBuffer rawData = rawColumnPage.getRawData();
    +    DataChunk2 pageMetadata = dataChunk3.getData_chunk_list().get(pageNumber);
         // calculating the start point of data
         // as buffer can contain multiple column data, start point will be datachunkoffset +
         // data chunk length + page offset
    -    int copySourcePoint = dimensionRawColumnChunk.getOffSet() + dimensionChunksLength
    -        .get(dimensionRawColumnChunk.getBlockletId()) + dataChunk3.getPage_offset().get(pageNumber);
    +    int offset = rawColumnPage.getOffSet() + dimensionChunksLength
    +        .get(rawColumnPage.getBlockletId()) + dataChunk3.getPage_offset().get(pageNumber);
         // first read the data and uncompressed it
    -    dataPage = COMPRESSOR
    -        .unCompressByte(rawData.array(), copySourcePoint, dimensionColumnChunk.data_page_length);
    -    copySourcePoint += dimensionColumnChunk.data_page_length;
    +    return decodeDimension(rawColumnPage, rawData, pageMetadata, offset);
    +  }
    +
    +  private DimensionColumnDataChunk decodeDimensionByMeta(DataChunk2 pageMetadata,
    +      ByteBuffer pageData, int offset)
    +      throws IOException, MemoryException {
    +    List<Encoding> encodings = pageMetadata.getEncoders();
    +    List<ByteBuffer> encoderMetas = pageMetadata.getEncoder_meta();
    +    assert (encodings.size() == 1);
    +    assert (encoderMetas.size() == 1);
    +    Encoding encoding = encodings.get(0);
    +    ColumnPageEncoderMeta metadata = null;
    +    ByteArrayInputStream stream = new ByteArrayInputStream(encoderMetas.get(0).array());
    +    DataInputStream in = new DataInputStream(stream);
    +    switch (encoding) {
    +      case DIRECT_COMPRESS:
    +        DirectCompressorEncoderMeta meta = new DirectCompressorEncoderMeta();
    --- End diff --
   
    ok, fixed


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[qiuchenjian-2]

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

    https://github.com/apache/carbondata/pull/1248#discussion_r134147748
 
    --- Diff: core/src/main/java/org/apache/carbondata/core/datastore/chunk/reader/dimension/v3/CompressedDimensionChunkFileBasedReaderV3.java ---
    @@ -194,72 +202,118 @@ public DimensionRawColumnChunk readRawDimensionChunk(FileHolder fileReader,
       /**
        * Below method will be used to convert the compressed dimension chunk raw data to actual data
        *
    -   * @param dimensionRawColumnChunk dimension raw chunk
    +   * @param rawColumnPage dimension raw chunk
        * @param pageNumber              number
        * @return DimensionColumnDataChunk
        */
       @Override public DimensionColumnDataChunk convertToDimensionChunk(
    -      DimensionRawColumnChunk dimensionRawColumnChunk, int pageNumber) throws IOException {
    -    byte[] dataPage = null;
    -    int[] invertedIndexes = null;
    -    int[] invertedIndexesReverse = null;
    -    int[] rlePage = null;
    -    // data chunk of page
    -    DataChunk2 dimensionColumnChunk = null;
    +      DimensionRawColumnChunk rawColumnPage, int pageNumber) throws IOException, MemoryException {
         // data chunk of blocklet column
    -    DataChunk3 dataChunk3 = dimensionRawColumnChunk.getDataChunkV3();
    +    DataChunk3 dataChunk3 = rawColumnPage.getDataChunkV3();
         // get the data buffer
    -    ByteBuffer rawData = dimensionRawColumnChunk.getRawData();
    -    dimensionColumnChunk = dataChunk3.getData_chunk_list().get(pageNumber);
    +    ByteBuffer rawData = rawColumnPage.getRawData();
    +    DataChunk2 pageMetadata = dataChunk3.getData_chunk_list().get(pageNumber);
         // calculating the start point of data
         // as buffer can contain multiple column data, start point will be datachunkoffset +
         // data chunk length + page offset
    -    int copySourcePoint = dimensionRawColumnChunk.getOffSet() + dimensionChunksLength
    -        .get(dimensionRawColumnChunk.getBlockletId()) + dataChunk3.getPage_offset().get(pageNumber);
    +    int offset = rawColumnPage.getOffSet() + dimensionChunksLength
    +        .get(rawColumnPage.getBlockletId()) + dataChunk3.getPage_offset().get(pageNumber);
         // first read the data and uncompressed it
    -    dataPage = COMPRESSOR
    -        .unCompressByte(rawData.array(), copySourcePoint, dimensionColumnChunk.data_page_length);
    -    copySourcePoint += dimensionColumnChunk.data_page_length;
    +    return decodeDimension(rawColumnPage, rawData, pageMetadata, offset);
    +  }
    +
    +  private DimensionColumnDataChunk decodeDimensionByMeta(DataChunk2 pageMetadata,
    +      ByteBuffer pageData, int offset)
    +      throws IOException, MemoryException {
    +    List<Encoding> encodings = pageMetadata.getEncoders();
    +    List<ByteBuffer> encoderMetas = pageMetadata.getEncoder_meta();
    +    assert (encodings.size() == 1);
    +    assert (encoderMetas.size() == 1);
    +    Encoding encoding = encodings.get(0);
    +    ColumnPageEncoderMeta metadata = null;
    +    ByteArrayInputStream stream = new ByteArrayInputStream(encoderMetas.get(0).array());
    +    DataInputStream in = new DataInputStream(stream);
    +    switch (encoding) {
    --- End diff --
   
    fixed. I added a concrete method in EncodingStrategy to create decoder based on meta


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[qiuchenjian-2]

Github user CarbonDataQA commented on the issue:

    https://github.com/apache/carbondata/pull/1248
 
    SDV Build Failed with Spark 2.1, Please check CI http://144.76.159.231:8080/job/ApacheSDVTests/272/



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[qiuchenjian-2]

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

    https://github.com/apache/carbondata/pull/1248#discussion_r134373768
 
    --- Diff: core/src/main/java/org/apache/carbondata/core/datastore/chunk/store/ColumnPageWrapper.java ---
    @@ -0,0 +1,92 @@
    +/*
    + * 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;
    +
    +import org.apache.carbondata.core.datastore.chunk.DimensionColumnDataChunk;
    +import org.apache.carbondata.core.datastore.page.ColumnPage;
    +import org.apache.carbondata.core.scan.executor.infos.KeyStructureInfo;
    +import org.apache.carbondata.core.scan.result.vector.ColumnVectorInfo;
    +
    +public class ColumnPageWrapper implements DimensionColumnDataChunk {
    --- End diff --
   
    This wrapper has many default implementations like `isExplicitSorted`, doesn't it create a problem?


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[qiuchenjian-2]

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

    https://github.com/apache/carbondata/pull/1248#discussion_r134375715
 
    --- Diff: core/src/main/java/org/apache/carbondata/core/datastore/chunk/store/ColumnPageWrapper.java ---
    @@ -0,0 +1,92 @@
    +/*
    + * 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;
    +
    +import org.apache.carbondata.core.datastore.chunk.DimensionColumnDataChunk;
    +import org.apache.carbondata.core.datastore.page.ColumnPage;
    +import org.apache.carbondata.core.scan.executor.infos.KeyStructureInfo;
    +import org.apache.carbondata.core.scan.result.vector.ColumnVectorInfo;
    +
    +public class ColumnPageWrapper implements DimensionColumnDataChunk {
    +
    +  private ColumnPage columnPage;
    +
    +  public ColumnPageWrapper(ColumnPage columnPage) {
    +    this.columnPage = columnPage;
    +  }
    +
    +  @Override
    +  public int fillChunkData(byte[] data, int offset, int columnIndex,
    +      KeyStructureInfo restructuringInfo) {
    +    throw new UnsupportedOperationException("internal error");
    +  }
    +
    +  @Override
    +  public int fillConvertedChunkData(int rowId, int columnIndex, int[] row,
    +      KeyStructureInfo restructuringInfo) {
    +    throw new UnsupportedOperationException("internal error");
    +  }
    +
    +  @Override
    +  public int fillConvertedChunkData(ColumnVectorInfo[] vectorInfo, int column,
    +      KeyStructureInfo restructuringInfo) {
    +    throw new UnsupportedOperationException("internal error");
    +  }
    +
    +  @Override
    +  public int fillConvertedChunkData(int[] rowMapping, ColumnVectorInfo[] vectorInfo, int column,
    +      KeyStructureInfo restructuringInfo) {
    +    throw new UnsupportedOperationException("internal error");
    +  }
    +
    +  @Override
    +  public byte[] getChunkData(int columnIndex) {
    +    return columnPage.getBytes(columnIndex);
    +  }
    +
    +  @Override
    +  public int getInvertedIndex(int rowId) {
    +    throw new UnsupportedOperationException("internal error");
    +  }
    +
    +  @Override
    +  public boolean isNoDicitionaryColumn() {
    +    return true;
    +  }
    +
    +  @Override
    +  public int getColumnValueSize() {
    +    throw new UnsupportedOperationException("internal error");
    +  }
    +
    +  @Override
    +  public boolean isExplicitSorted() {
    +    return false;
    +  }
    +
    +  @Override
    +  public int compareTo(int index, byte[] compareValue) {
    +    throw new UnsupportedOperationException("internal error");
    +  }
    +
    +  @Override
    +  public void freeMemory() {
    --- End diff --
   
    doesn't it require to free column page memory if it is unsafe


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[qiuchenjian-2]

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

    https://github.com/apache/carbondata/pull/1248#discussion_r134376519
 
    --- Diff: core/src/main/java/org/apache/carbondata/core/datastore/page/ColumnPage.java ---
    @@ -68,8 +74,38 @@ public DataType getDataType() {
         return dataType;
       }
     
    -  public Object getStatistics() {
    -    return statsCollector.getPageStats();
    +  public SimpleStatsResult getStatistics() {
    +    if (statsCollector != null) {
    +      return statsCollector.getPageStats();
    +    } else {
    +      // return a dummy result, for complex column
    +      return new SimpleStatsResult() {
    --- End diff --
   
    Better create class separately and set to ColumnPage instead of creating class instance every time.


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[qiuchenjian-2]

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

    https://github.com/apache/carbondata/pull/1248#discussion_r134379724
 
    --- Diff: core/src/main/java/org/apache/carbondata/core/datastore/chunk/store/ColumnPageWrapper.java ---
    @@ -0,0 +1,92 @@
    +/*
    + * 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;
    +
    +import org.apache.carbondata.core.datastore.chunk.DimensionColumnDataChunk;
    +import org.apache.carbondata.core.datastore.page.ColumnPage;
    +import org.apache.carbondata.core.scan.executor.infos.KeyStructureInfo;
    +import org.apache.carbondata.core.scan.result.vector.ColumnVectorInfo;
    +
    +public class ColumnPageWrapper implements DimensionColumnDataChunk {
    --- End diff --
   
    Actually ColumnPageWrapper is not used in this PR, because DefaultEncodingStrategy.createEncoder will call createEncoderForDimensionLegacy for dimension columns, so CompressedDimensionChunkFileBasedReaderV3.isEncodedWithMeta will return false.
    ColumnPageWrapper will be used in #1265


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[qiuchenjian-2]

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

    https://github.com/apache/carbondata/pull/1248#discussion_r134379783
 
    --- Diff: core/src/main/java/org/apache/carbondata/core/datastore/chunk/store/ColumnPageWrapper.java ---
    @@ -0,0 +1,92 @@
    +/*
    + * 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;
    +
    +import org.apache.carbondata.core.datastore.chunk.DimensionColumnDataChunk;
    +import org.apache.carbondata.core.datastore.page.ColumnPage;
    +import org.apache.carbondata.core.scan.executor.infos.KeyStructureInfo;
    +import org.apache.carbondata.core.scan.result.vector.ColumnVectorInfo;
    +
    +public class ColumnPageWrapper implements DimensionColumnDataChunk {
    +
    +  private ColumnPage columnPage;
    +
    +  public ColumnPageWrapper(ColumnPage columnPage) {
    +    this.columnPage = columnPage;
    +  }
    +
    +  @Override
    +  public int fillChunkData(byte[] data, int offset, int columnIndex,
    +      KeyStructureInfo restructuringInfo) {
    +    throw new UnsupportedOperationException("internal error");
    +  }
    +
    +  @Override
    +  public int fillConvertedChunkData(int rowId, int columnIndex, int[] row,
    +      KeyStructureInfo restructuringInfo) {
    +    throw new UnsupportedOperationException("internal error");
    +  }
    +
    +  @Override
    +  public int fillConvertedChunkData(ColumnVectorInfo[] vectorInfo, int column,
    +      KeyStructureInfo restructuringInfo) {
    +    throw new UnsupportedOperationException("internal error");
    +  }
    +
    +  @Override
    +  public int fillConvertedChunkData(int[] rowMapping, ColumnVectorInfo[] vectorInfo, int column,
    +      KeyStructureInfo restructuringInfo) {
    +    throw new UnsupportedOperationException("internal error");
    +  }
    +
    +  @Override
    +  public byte[] getChunkData(int columnIndex) {
    +    return columnPage.getBytes(columnIndex);
    +  }
    +
    +  @Override
    +  public int getInvertedIndex(int rowId) {
    +    throw new UnsupportedOperationException("internal error");
    +  }
    +
    +  @Override
    +  public boolean isNoDicitionaryColumn() {
    +    return true;
    +  }
    +
    +  @Override
    +  public int getColumnValueSize() {
    +    throw new UnsupportedOperationException("internal error");
    +  }
    +
    +  @Override
    +  public boolean isExplicitSorted() {
    +    return false;
    +  }
    +
    +  @Override
    +  public int compareTo(int index, byte[] compareValue) {
    +    throw new UnsupportedOperationException("internal error");
    +  }
    +
    +  @Override
    +  public void freeMemory() {
    --- End diff --
   
    It will be done in #1265


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[qiuchenjian-2]

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

    https://github.com/apache/carbondata/pull/1248#discussion_r134381229
 
    --- Diff: core/src/main/java/org/apache/carbondata/core/datastore/page/ColumnPage.java ---
    @@ -68,8 +74,38 @@ public DataType getDataType() {
         return dataType;
       }
     
    -  public Object getStatistics() {
    -    return statsCollector.getPageStats();
    +  public SimpleStatsResult getStatistics() {
    +    if (statsCollector != null) {
    +      return statsCollector.getPageStats();
    +    } else {
    +      // return a dummy result, for complex column
    +      return new SimpleStatsResult() {
    --- End diff --
   
    fixed


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[qiuchenjian-2]

Github user CarbonDataQA commented on the issue:

    https://github.com/apache/carbondata/pull/1248
 
    SDV Build Failed with Spark 2.1, Please check CI http://144.76.159.231:8080/job/ApacheSDVTests/288/



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[qiuchenjian-2]

Github user ravipesala commented on the issue:

    https://github.com/apache/carbondata/pull/1248
 
    LGTM


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[qiuchenjian-2]

Github user asfgit closed the pull request at:

    https://github.com/apache/carbondata/pull/1248


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