Java Code Examples for org.apache.kylin.cube.model.CubeDesc#getRowkey()

The following examples show how to use org.apache.kylin.cube.model.CubeDesc#getRowkey() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: RowKeyAttrRule.java    From kylin-on-parquet-v2 with Apache License 2.0 6 votes vote down vote up 
@Override
public void validate(CubeDesc cube, ValidateContext context) {
    RowKeyDesc row = cube.getRowkey();
    if (row == null) {
        context.addResult(ResultLevel.ERROR, "Rowkey does not exist");
        return;
    }

    RowKeyColDesc[] rcd = row.getRowKeyColumns();
    if (rcd == null || rcd.length == 0) {
        context.addResult(ResultLevel.ERROR, "Rowkey columns do not exist");
        return;
    }

    for (int i = 0; i < rcd.length; i++) {
        RowKeyColDesc rd = rcd[i];
        if (rd.getColumn() == null || rd.getColumn().length() == 0) {
            context.addResult(ResultLevel.ERROR, "Rowkey column empty");
        }

    }

}
Example 2
Source File: RowKeyAttrRule.java    From kylin with Apache License 2.0 6 votes vote down vote up 
@Override
public void validate(CubeDesc cube, ValidateContext context) {
    RowKeyDesc row = cube.getRowkey();
    if (row == null) {
        context.addResult(ResultLevel.ERROR, "Rowkey does not exist");
        return;
    }

    RowKeyColDesc[] rcd = row.getRowKeyColumns();
    if (rcd == null || rcd.length == 0) {
        context.addResult(ResultLevel.ERROR, "Rowkey columns do not exist");
        return;
    }

    for (int i = 0; i < rcd.length; i++) {
        RowKeyColDesc rd = rcd[i];
        if (rd.getColumn() == null || rd.getColumn().length() == 0) {
            context.addResult(ResultLevel.ERROR, "Rowkey column empty");
        }

    }

}
Example 3
Source File: Cuboid.java    From Kylin with Apache License 2.0 6 votes vote down vote up 
public static boolean isValid(CubeDesc cube, long cuboidID) {
    RowKeyDesc rowkey = cube.getRowkey();

    if (cuboidID < 0) {
        throw new IllegalArgumentException("Cuboid " + cuboidID + " should be greater than 0");
    }

    if (checkBaseCuboid(rowkey, cuboidID)) {
        return true;
    }

    if (checkMandatoryColumns(rowkey, cuboidID) == false) {
        return false;
    }

    if (checkAggregationGroup(rowkey, cuboidID) == false) {
        return false;
    }

    if (checkHierarchy(rowkey, cuboidID) == false) {
        return false;
    }

    return true;
}
Example 4
Source File: RowKeyAttrRule.java    From Kylin with Apache License 2.0 5 votes vote down vote up 
@Override
public void validate(CubeDesc cube, ValidateContext context) {
    RowKeyDesc row = cube.getRowkey();
    if (row == null) {
        context.addResult(ResultLevel.ERROR, "Rowkey does not exist");
        return;
    }

    RowKeyColDesc[] rcd = row.getRowKeyColumns();
    if (rcd == null) {
        context.addResult(ResultLevel.ERROR, "Rowkey columns do not exist");
        return;
    }
    if(rcd.length == 0){
        context.addResult(ResultLevel.ERROR, "Rowkey columns is empty");
        return;       	
    }

    for (int i = 0; i < rcd.length; i++) {
        RowKeyColDesc rd = rcd[i];
        if (rd.getLength() != 0 && (!StringUtils.isEmpty(rd.getDictionary())&&!rd.getDictionary().equals("false"))) {
            context.addResult(ResultLevel.ERROR, "Rowkey column " + rd.getColumn() + " must not have both 'length' and 'dictionary' attribute");
        }
        if (rd.getLength() == 0 && (StringUtils.isEmpty(rd.getDictionary())||rd.getDictionary().equals("false"))) {
            context.addResult(ResultLevel.ERROR, "Rowkey column " + rd.getColumn() + " must not have both 'length' and 'dictionary' empty");
        }
    }

}
Example 5
Source File: CuboidCLI.java    From Kylin with Apache License 2.0 5 votes vote down vote up 
public static int mathCalcCuboidCount(CubeDesc cube) {
    int result = 1; // 1 for base cuboid

    RowKeyDesc rowkey = cube.getRowkey();
    AggrGroupMask[] aggrGroupMasks = rowkey.getAggrGroupMasks();
    for (int i = 0; i < aggrGroupMasks.length; i++) {
        boolean hasTail = i < aggrGroupMasks.length - 1 || rowkey.getTailMask() > 0;
        result += mathCalcCuboidCount_aggrGroup(rowkey, aggrGroupMasks[i], hasTail);
    }

    return result;
}
Example 6
Source File: CubeSizeEstimationCLI.java    From Kylin with Apache License 2.0 5 votes vote down vote up 
public static long estimateCuboidSpace(long cuboidID, long[] cardinality, CubeDesc cubeDesc) {

        RowKeyColInfo rowKeyColInfo = extractRowKeyInfo(cubeDesc);
        RowKeyDesc rowKeyDesc = cubeDesc.getRowkey();

        long rowCount = 1;
        int[] rowKeySpaces = estimateRowKeyColSpace(rowKeyDesc, cardinality);
        int dimensionSpace = 0;
        int measureSpace = getMeasureSpace(cubeDesc);

        for (List<Integer> hlist : rowKeyColInfo.hierachyColBitIndice) {
            // for hierachy columns, the cardinality of the most detailed column
            // nominates.
            int i;
            for (i = 0; i < hlist.size() && rowKeyColExists(hlist.get(i), cuboidID); ++i) {
                dimensionSpace += rowKeySpaces[hlist.get(i)];
            }

            if (i != 0)
                rowCount *= cardinality[hlist.get(i - 1)];
        }

        for (int index : rowKeyColInfo.nonHierachyColBitIndice) {
            if (rowKeyColExists(index, cuboidID)) {
                rowCount *= cardinality[index];
                dimensionSpace += rowKeySpaces[index];
            }
        }
        return rowCount * (dimensionSpace + measureSpace);
    }
Example 7
Source File: CubeSizeEstimationCLI.java    From Kylin with Apache License 2.0 5 votes vote down vote up 
private static RowKeyColInfo extractRowKeyInfo(CubeDesc cubeDesc) {
    RowKeyDesc rowKeyDesc = cubeDesc.getRowkey();
    RowKeyColInfo info = new RowKeyColInfo();
    info.hierachyColBitIndice = new ArrayList<List<Integer>>();
    info.nonHierachyColBitIndice = new ArrayList<Integer>();
    HashSet<Integer> heirachyIndexSet = new HashSet<Integer>();

    for (DimensionDesc dim : cubeDesc.getDimensions()) {
        if (dim.getHierarchy() != null) {
            LinkedList<Integer> hlist = new LinkedList<Integer>();
            for (HierarchyDesc hierarchyDesc : dim.getHierarchy()) {
                int index = rowKeyDesc.getColumnBitIndex(hierarchyDesc.getColumnRef());
                hlist.add(index);
                heirachyIndexSet.add(index);
            }
            info.hierachyColBitIndice.add(hlist);
        }
    }

    for (int i = 0; i < rowKeyDesc.getRowKeyColumns().length; ++i) {
        if (!heirachyIndexSet.contains(i)) {
            info.nonHierachyColBitIndice.add(i);
        }
    }

    return info;
}