Examples with QueryMeasure org.apache.carbondata.core.scan.model.QueryMeasure used on opensource projects

Example 1 with QueryMeasure

use of org.apache.carbondata.core.scan.model.QueryMeasure 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 QueryMeasure

use of org.apache.carbondata.core.scan.model.QueryMeasure in project carbondata by apache.

the class QueryUtil method resolveQueryModel.

/**
   * Below method will be used to resolve the query model
   * resolve will be setting the actual dimension and measure object
   * as from driver only column name will be passes to avoid the heavy object
   * serialization
   *
   * @param queryModel query model
   */
public static void resolveQueryModel(QueryModel queryModel) {
    CarbonMetadata.getInstance().addCarbonTable(queryModel.getTable());
    // TODO need to load the table from table identifier
    CarbonTable carbonTable = queryModel.getTable();
    String tableName = queryModel.getAbsoluteTableIdentifier().getCarbonTableIdentifier().getTableName();
    // resolve query dimension
    for (QueryDimension queryDimension : queryModel.getQueryDimension()) {
        queryDimension.setDimension(carbonTable.getDimensionByName(tableName, queryDimension.getColumnName()));
    }
    // resolve query measure
    for (QueryMeasure queryMeasure : queryModel.getQueryMeasures()) {
        //never come false but if in future we can remove so not removing first if check
        if (queryMeasure.getColumnName().equals("count(*)")) {
            if (carbonTable.getMeasureByTableName(tableName).size() > 0 && !carbonTable.getMeasureByTableName(tableName).get(0).getColName().equals(CarbonCommonConstants.DEFAULT_INVISIBLE_DUMMY_MEASURE)) {
                queryMeasure.setMeasure(carbonTable.getMeasureByTableName(tableName).get(0));
            } else {
                CarbonMeasure dummyMeasure = new CarbonMeasure(carbonTable.getDimensionByTableName(tableName).get(0).getColumnSchema(), 0);
                queryMeasure.setMeasure(dummyMeasure);
            }
        } else {
            queryMeasure.setMeasure(carbonTable.getMeasureByName(tableName, queryMeasure.getColumnName()));
        }
    }
}

Example 3 with QueryMeasure

use of org.apache.carbondata.core.scan.model.QueryMeasure in project carbondata by apache.

the class AbstractScannedResultCollector method fillMeasureData.

protected void fillMeasureData(Object[] msrValues, int offset, AbstractScannedResult scannedResult) {
    int measureExistIndex = 0;
    for (short i = 0; i < measureInfo.getMeasureDataTypes().length; i++) {
        // data chunk to the collector
        if (measureInfo.getMeasureExists()[i]) {
            QueryMeasure queryMeasure = tableBlockExecutionInfos.getQueryMeasures()[measureExistIndex];
            msrValues[i + offset] = getMeasureData(scannedResult.getMeasureChunk(measureInfo.getMeasureOrdinals()[measureExistIndex]), scannedResult.getCurrentRowId(), queryMeasure.getMeasure());
            measureExistIndex++;
        } else {
            // if not then get the default value and use that value in aggregation
            Object defaultValue = measureInfo.getDefaultValues()[i];
            if (null != defaultValue && measureInfo.getMeasureDataTypes()[i] == DataType.DECIMAL) {
                // convert java big decimal to spark decimal type
                defaultValue = org.apache.spark.sql.types.Decimal.apply((BigDecimal) defaultValue);
            }
            msrValues[i + offset] = defaultValue;
        }
    }
}

Example 4 with QueryMeasure

use of org.apache.carbondata.core.scan.model.QueryMeasure in project carbondata by apache.

the class RestructureBasedDictionaryResultCollector method fillMeasureData.

protected void fillMeasureData(Object[] msrValues, int offset, AbstractScannedResult scannedResult) {
    int measureExistIndex = 0;
    for (short i = 0; i < measureInfo.getMeasureDataTypes().length; i++) {
        // data chunk to the collector
        if (measureInfo.getMeasureExists()[i]) {
            QueryMeasure queryMeasure = tableBlockExecutionInfos.getQueryMeasures()[measureExistIndex];
            msrValues[i + offset] = getMeasureData(scannedResult.getMeasureChunk(measureInfo.getMeasureOrdinals()[measureExistIndex]), scannedResult.getCurrentRowId(), queryMeasure.getMeasure());
            measureExistIndex++;
        } else {
            // if not then get the default value
            msrValues[i + offset] = measureDefaultValues[i];
        }
    }
}

Example 5 with QueryMeasure

use of org.apache.carbondata.core.scan.model.QueryMeasure in project carbondata by apache.

the class CarbonInputFormatUtil method addQueryMeasure.

private static void addQueryMeasure(CarbonQueryPlan plan, int order, CarbonMeasure measure) {
    QueryMeasure queryMeasure = new QueryMeasure(measure.getColName());
    queryMeasure.setQueryOrder(order);
    queryMeasure.setMeasure(measure);
    plan.addMeasure(queryMeasure);
}