Examples with BlockExecutionInfo org.apache.carbondata.core.scan.executor.infos.BlockExecutionInfo used on opensource projects

Example 1 with BlockExecutionInfo

use of org.apache.carbondata.core.scan.executor.infos.BlockExecutionInfo in project carbondata by apache.

the class AbstractQueryExecutor method getBlockExecutionInfoForBlock.

/**
   * Below method will be used to get the block execution info which is
   * required to execute any block  based on query model
   *
   * @param queryModel query model from user query
   * @param blockIndex block index
   * @return block execution info
   * @throws QueryExecutionException any failure during block info creation
   */
protected BlockExecutionInfo getBlockExecutionInfoForBlock(QueryModel queryModel, AbstractIndex blockIndex, int startBlockletIndex, int numberOfBlockletToScan, String filePath) throws QueryExecutionException {
    BlockExecutionInfo blockExecutionInfo = new BlockExecutionInfo();
    SegmentProperties segmentProperties = blockIndex.getSegmentProperties();
    List<CarbonDimension> tableBlockDimensions = segmentProperties.getDimensions();
    KeyGenerator blockKeyGenerator = segmentProperties.getDimensionKeyGenerator();
    // below is to get only those dimension in query which is present in the
    // table block
    List<QueryDimension> currentBlockQueryDimensions = RestructureUtil.createDimensionInfoAndGetCurrentBlockQueryDimension(blockExecutionInfo, queryModel.getQueryDimension(), tableBlockDimensions, segmentProperties.getComplexDimensions());
    int tableFactPathLength = CarbonStorePath.getCarbonTablePath(queryModel.getAbsoluteTableIdentifier().getStorePath(), queryModel.getAbsoluteTableIdentifier().getCarbonTableIdentifier()).getFactDir().length() + 1;
    blockExecutionInfo.setBlockId(filePath.substring(tableFactPathLength));
    blockExecutionInfo.setStartBlockletIndex(startBlockletIndex);
    blockExecutionInfo.setNumberOfBlockletToScan(numberOfBlockletToScan);
    blockExecutionInfo.setQueryDimensions(currentBlockQueryDimensions.toArray(new QueryDimension[currentBlockQueryDimensions.size()]));
    // get measures present in the current block
    List<QueryMeasure> currentBlockQueryMeasures = getCurrentBlockQueryMeasures(blockExecutionInfo, queryModel, blockIndex);
    blockExecutionInfo.setQueryMeasures(currentBlockQueryMeasures.toArray(new QueryMeasure[currentBlockQueryMeasures.size()]));
    blockExecutionInfo.setDataBlock(blockIndex);
    blockExecutionInfo.setBlockKeyGenerator(blockKeyGenerator);
    // setting whether raw record query or not
    blockExecutionInfo.setRawRecordDetailQuery(queryModel.isForcedDetailRawQuery());
    // total number dimension
    blockExecutionInfo.setTotalNumberDimensionBlock(segmentProperties.getDimensionOrdinalToBlockMapping().size());
    blockExecutionInfo.setTotalNumberOfMeasureBlock(segmentProperties.getMeasuresOrdinalToBlockMapping().size());
    blockExecutionInfo.setAbsoluteTableIdentifier(queryModel.getAbsoluteTableIdentifier());
    blockExecutionInfo.setComplexDimensionInfoMap(QueryUtil.getComplexDimensionsMap(currentBlockQueryDimensions, segmentProperties.getDimensionOrdinalToBlockMapping(), segmentProperties.getEachComplexDimColumnValueSize(), queryProperties.columnToDictionayMapping, queryProperties.complexFilterDimension));
    IndexKey startIndexKey = null;
    IndexKey endIndexKey = null;
    if (null != queryModel.getFilterExpressionResolverTree()) {
        // loading the filter executer tree for filter evaluation
        blockExecutionInfo.setFilterExecuterTree(FilterUtil.getFilterExecuterTree(queryModel.getFilterExpressionResolverTree(), segmentProperties, blockExecutionInfo.getComlexDimensionInfoMap()));
        List<IndexKey> listOfStartEndKeys = new ArrayList<IndexKey>(2);
        FilterUtil.traverseResolverTreeAndGetStartAndEndKey(segmentProperties, queryModel.getFilterExpressionResolverTree(), listOfStartEndKeys);
        startIndexKey = listOfStartEndKeys.get(0);
        endIndexKey = listOfStartEndKeys.get(1);
    } else {
        try {
            startIndexKey = FilterUtil.prepareDefaultStartIndexKey(segmentProperties);
            endIndexKey = FilterUtil.prepareDefaultEndIndexKey(segmentProperties);
        } catch (KeyGenException e) {
            throw new QueryExecutionException(e);
        }
    }
    //setting the start index key of the block node
    blockExecutionInfo.setStartKey(startIndexKey);
    //setting the end index key of the block node
    blockExecutionInfo.setEndKey(endIndexKey);
    // expression dimensions
    List<CarbonDimension> expressionDimensions = new ArrayList<CarbonDimension>(CarbonCommonConstants.DEFAULT_COLLECTION_SIZE);
    // expression measure
    List<CarbonMeasure> expressionMeasures = new ArrayList<CarbonMeasure>(CarbonCommonConstants.DEFAULT_COLLECTION_SIZE);
    // setting all the dimension chunk indexes to be read from file
    int numberOfElementToConsider = 0;
    // list of dimensions to be projected
    Set<Integer> allProjectionListDimensionIdexes = new LinkedHashSet<>();
    // create a list of filter dimensions present in the current block
    Set<CarbonDimension> currentBlockFilterDimensions = getCurrentBlockFilterDimensions(queryProperties.complexFilterDimension, segmentProperties);
    int[] dimensionsBlockIndexes = QueryUtil.getDimensionsBlockIndexes(currentBlockQueryDimensions, segmentProperties.getDimensionOrdinalToBlockMapping(), expressionDimensions, currentBlockFilterDimensions, allProjectionListDimensionIdexes);
    int numberOfColumnToBeReadInOneIO = Integer.parseInt(CarbonProperties.getInstance().getProperty(CarbonV3DataFormatConstants.NUMBER_OF_COLUMN_TO_READ_IN_IO, CarbonV3DataFormatConstants.NUMBER_OF_COLUMN_TO_READ_IN_IO_DEFAULTVALUE));
    if (dimensionsBlockIndexes.length > 0) {
        numberOfElementToConsider = dimensionsBlockIndexes[dimensionsBlockIndexes.length - 1] == segmentProperties.getBlockTodimensionOrdinalMapping().size() - 1 ? dimensionsBlockIndexes.length - 1 : dimensionsBlockIndexes.length;
        blockExecutionInfo.setAllSelectedDimensionBlocksIndexes(CarbonUtil.getRangeIndex(dimensionsBlockIndexes, numberOfElementToConsider, numberOfColumnToBeReadInOneIO));
    } else {
        blockExecutionInfo.setAllSelectedDimensionBlocksIndexes(new int[0][0]);
    }
    // get the list of updated filter measures present in the current block
    Set<CarbonMeasure> currentBlockFilterMeasures = getCurrentBlockFilterMeasures(queryProperties.filterMeasures, segmentProperties);
    // list of measures to be projected
    List<Integer> allProjectionListMeasureIndexes = new ArrayList<>();
    int[] measureBlockIndexes = QueryUtil.getMeasureBlockIndexes(currentBlockQueryMeasures, expressionMeasures, segmentProperties.getMeasuresOrdinalToBlockMapping(), currentBlockFilterMeasures, allProjectionListMeasureIndexes);
    if (measureBlockIndexes.length > 0) {
        numberOfElementToConsider = measureBlockIndexes[measureBlockIndexes.length - 1] == segmentProperties.getMeasures().size() - 1 ? measureBlockIndexes.length - 1 : measureBlockIndexes.length;
        // setting all the measure chunk indexes to be read from file
        blockExecutionInfo.setAllSelectedMeasureBlocksIndexes(CarbonUtil.getRangeIndex(measureBlockIndexes, numberOfElementToConsider, numberOfColumnToBeReadInOneIO));
    } else {
        blockExecutionInfo.setAllSelectedMeasureBlocksIndexes(new int[0][0]);
    }
    // setting the indexes of list of dimension in projection list
    blockExecutionInfo.setProjectionListDimensionIndexes(ArrayUtils.toPrimitive(allProjectionListDimensionIdexes.toArray(new Integer[allProjectionListDimensionIdexes.size()])));
    // setting the indexes of list of measures in projection list
    blockExecutionInfo.setProjectionListMeasureIndexes(ArrayUtils.toPrimitive(allProjectionListMeasureIndexes.toArray(new Integer[allProjectionListMeasureIndexes.size()])));
    // setting the size of fixed key column (dictionary column)
    blockExecutionInfo.setFixedLengthKeySize(getKeySize(currentBlockQueryDimensions, segmentProperties));
    Set<Integer> dictionaryColumnBlockIndex = new HashSet<Integer>();
    List<Integer> noDictionaryColumnBlockIndex = new ArrayList<Integer>();
    // get the block index to be read from file for query dimension
    // for both dictionary columns and no dictionary columns
    QueryUtil.fillQueryDimensionsBlockIndexes(currentBlockQueryDimensions, segmentProperties.getDimensionOrdinalToBlockMapping(), dictionaryColumnBlockIndex, noDictionaryColumnBlockIndex);
    int[] queryDictionaryColumnBlockIndexes = ArrayUtils.toPrimitive(dictionaryColumnBlockIndex.toArray(new Integer[dictionaryColumnBlockIndex.size()]));
    // need to sort the dictionary column as for all dimension
    // column key will be filled based on key order
    Arrays.sort(queryDictionaryColumnBlockIndexes);
    blockExecutionInfo.setDictionaryColumnBlockIndex(queryDictionaryColumnBlockIndexes);
    // setting the no dictionary column block indexes
    blockExecutionInfo.setNoDictionaryBlockIndexes(ArrayUtils.toPrimitive(noDictionaryColumnBlockIndex.toArray(new Integer[noDictionaryColumnBlockIndex.size()])));
    // setting column id to dictionary mapping
    blockExecutionInfo.setColumnIdToDcitionaryMapping(queryProperties.columnToDictionayMapping);
    // setting each column value size
    blockExecutionInfo.setEachColumnValueSize(segmentProperties.getEachDimColumnValueSize());
    blockExecutionInfo.setComplexColumnParentBlockIndexes(getComplexDimensionParentBlockIndexes(currentBlockQueryDimensions));
    blockExecutionInfo.setVectorBatchCollector(queryModel.isVectorReader());
    try {
        // to set column group and its key structure info which will be used
        // to
        // for getting the column group column data in case of final row
        // and in case of dimension aggregation
        blockExecutionInfo.setColumnGroupToKeyStructureInfo(QueryUtil.getColumnGroupKeyStructureInfo(currentBlockQueryDimensions, segmentProperties));
    } catch (KeyGenException e) {
        throw new QueryExecutionException(e);
    }
    // set actual query dimensions and measures. It may differ in case of restructure scenarios
    blockExecutionInfo.setActualQueryDimensions(queryModel.getQueryDimension().toArray(new QueryDimension[queryModel.getQueryDimension().size()]));
    blockExecutionInfo.setActualQueryMeasures(queryModel.getQueryMeasures().toArray(new QueryMeasure[queryModel.getQueryMeasures().size()]));
    return blockExecutionInfo;
}

Example 2 with BlockExecutionInfo

use of org.apache.carbondata.core.scan.executor.infos.BlockExecutionInfo in project carbondata by apache.

the class VectorDetailQueryExecutor method execute.

@Override
public CarbonIterator<Object> execute(QueryModel queryModel) throws QueryExecutionException, IOException {
    List<BlockExecutionInfo> blockExecutionInfoList = getBlockExecutionInfos(queryModel);
    this.queryIterator = new VectorDetailQueryResultIterator(blockExecutionInfoList, queryModel, queryProperties.executorService);
    return this.queryIterator;
}

Example 3 with BlockExecutionInfo

use of org.apache.carbondata.core.scan.executor.infos.BlockExecutionInfo in project carbondata by apache.

the class AbstractQueryExecutor method getBlockExecutionInfos.

protected List<BlockExecutionInfo> getBlockExecutionInfos(QueryModel queryModel) throws IOException, QueryExecutionException {
    initQuery(queryModel);
    List<BlockExecutionInfo> blockExecutionInfoList = new ArrayList<BlockExecutionInfo>();
    // and query will be executed based on that infos
    for (int i = 0; i < queryProperties.dataBlocks.size(); i++) {
        AbstractIndex abstractIndex = queryProperties.dataBlocks.get(i);
        BlockletDataRefNode dataRefNode = (BlockletDataRefNode) abstractIndex.getDataRefNode();
        blockExecutionInfoList.add(getBlockExecutionInfoForBlock(queryModel, abstractIndex, dataRefNode.getBlockInfos().get(0).getBlockletInfos().getStartBlockletNumber(), dataRefNode.numberOfNodes(), dataRefNode.getBlockInfos().get(0).getFilePath(), dataRefNode.getBlockInfos().get(0).getDeletedDeltaFilePath(), dataRefNode.getBlockInfos().get(0).getSegmentId()));
    }
    if (null != queryModel.getStatisticsRecorder()) {
        QueryStatistic queryStatistic = new QueryStatistic();
        queryStatistic.addCountStatistic(QueryStatisticsConstants.SCAN_BLOCKS_NUM, blockExecutionInfoList.size());
        queryModel.getStatisticsRecorder().recordStatistics(queryStatistic);
    }
    return blockExecutionInfoList;
}

Example 4 with BlockExecutionInfo

use of org.apache.carbondata.core.scan.executor.infos.BlockExecutionInfo in project carbondata by apache.

the class DetailQueryExecutor method execute.

@Override
public CarbonIterator<RowBatch> execute(QueryModel queryModel) throws QueryExecutionException, IOException {
    List<BlockExecutionInfo> blockExecutionInfoList = getBlockExecutionInfos(queryModel);
    this.queryIterator = new DetailQueryResultIterator(blockExecutionInfoList, queryModel, queryProperties.executorService);
    return queryIterator;
}

Example 5 with BlockExecutionInfo

use of org.apache.carbondata.core.scan.executor.infos.BlockExecutionInfo in project carbondata by apache.

the class RestructureUtilTest method testToGetAggregatorInfos.

@Test
public void testToGetAggregatorInfos() {
    ColumnSchema columnSchema1 = new ColumnSchema();
    columnSchema1.setColumnName("Id");
    columnSchema1.setDataType(DataTypes.STRING);
    columnSchema1.setColumnUniqueId(UUID.randomUUID().toString());
    ColumnSchema columnSchema2 = new ColumnSchema();
    columnSchema2.setColumnName("Name");
    columnSchema2.setDataType(DataTypes.STRING);
    columnSchema2.setColumnUniqueId(UUID.randomUUID().toString());
    ColumnSchema columnSchema3 = new ColumnSchema();
    columnSchema3.setColumnName("Age");
    columnSchema3.setDataType(DataTypes.STRING);
    columnSchema3.setColumnUniqueId(UUID.randomUUID().toString());
    CarbonMeasure carbonMeasure1 = new CarbonMeasure(columnSchema1, 1);
    CarbonMeasure carbonMeasure2 = new CarbonMeasure(columnSchema2, 2);
    CarbonMeasure carbonMeasure3 = new CarbonMeasure(columnSchema3, 3);
    carbonMeasure3.getColumnSchema().setDefaultValue("3".getBytes());
    List<CarbonMeasure> currentBlockMeasures = Arrays.asList(carbonMeasure1, carbonMeasure2);
    ProjectionMeasure queryMeasure1 = new ProjectionMeasure(carbonMeasure1);
    ProjectionMeasure queryMeasure2 = new ProjectionMeasure(carbonMeasure2);
    ProjectionMeasure queryMeasure3 = new ProjectionMeasure(carbonMeasure3);
    List<ProjectionMeasure> queryMeasures = Arrays.asList(queryMeasure1, queryMeasure2, queryMeasure3);
    BlockExecutionInfo blockExecutionInfo = new BlockExecutionInfo();
    RestructureUtil.createMeasureInfoAndGetCurrentBlockQueryMeasures(blockExecutionInfo, queryMeasures, currentBlockMeasures);
    MeasureInfo measureInfo = blockExecutionInfo.getMeasureInfo();
    boolean[] measuresExist = { true, true, false };
    assertThat(measureInfo.getMeasureExists(), is(equalTo(measuresExist)));
    Object[] defaultValues = { null, null, 3.0 };
    assertThat(measureInfo.getDefaultValues(), is(equalTo(defaultValues)));
}