Java Code Examples for org.apache.kylin.metadata.model.FunctionDesc#setReturnType()

The following examples show how to use org.apache.kylin.metadata.model.FunctionDesc#setReturnType() . 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: CubeDescCreator.java    From kylin-on-parquet-v2 with Apache License 2.0 6 votes vote down vote up 
public static MeasureDesc getMeasureSum(String column, String dataType) {
    ParameterDesc parameterDesc = new ParameterDesc();
    parameterDesc.setValue(column);
    parameterDesc.setType(FunctionDesc.PARAMETER_TYPE_COLUMN);

    FunctionDesc function = new FunctionDesc();
    function.setExpression(FunctionDesc.FUNC_SUM);
    function.setParameter(parameterDesc);
    function.setReturnType(dataType.equals(HiveTableCreator.HiveTypeEnum.HDOUBLE.toString())
            ? HiveTableCreator.HiveTypeEnum.HDECIMAL.toString()
            : dataType);

    MeasureDesc result = new MeasureDesc();
    result.setName(column + "_SUM");
    result.setFunction(function);
    return result;
}
Example 2
Source File: TestHelper.java    From kylin with Apache License 2.0 6 votes vote down vote up 
public Set<FunctionDesc> simulateMetrics() {
        List<FunctionDesc> functions = Lists.newArrayList();
        TblColRef gmvCol = getColumnRef("STREAMING_V2_TABLE.GMV");

//        FunctionDesc f1 = new FunctionDesc();
//        f1.setExpression("SUM");
//        ParameterDesc p1 = ParameterDesc.newInstance(gmvCol);
//        f1.setParameter(p1);
//        f1.setReturnType("decimal(19,6)");
//        functions.add(f1);

        FunctionDesc f2 = new FunctionDesc();
        f2.setExpression(PercentileMeasureType.FUNC_PERCENTILE_APPROX);
        ParameterDesc p2 = ParameterDesc.newInstance(gmvCol);
        f2.setParameter(p2);
        f2.setReturnType("percentile(100)");
        functions.add(f2);

        return Sets.newHashSet(functions);
    }
Example 3
Source File: CubeDescCreator.java    From kylin with Apache License 2.0 6 votes vote down vote up 
public static MeasureDesc getMeasureSum(String column, String dataType) {
    ParameterDesc parameterDesc = new ParameterDesc();
    parameterDesc.setValue(column);
    parameterDesc.setType(FunctionDesc.PARAMETER_TYPE_COLUMN);

    FunctionDesc function = new FunctionDesc();
    function.setExpression(FunctionDesc.FUNC_SUM);
    function.setParameter(parameterDesc);
    function.setReturnType(dataType.equals(HiveTableCreator.HiveTypeEnum.HDOUBLE.toString())
            ? HiveTableCreator.HiveTypeEnum.HDECIMAL.toString()
            : dataType);

    MeasureDesc result = new MeasureDesc();
    result.setName(column + "_SUM");
    result.setFunction(function);
    return result;
}
Example 4
Source File: TestHelper.java    From kylin with Apache License 2.0 5 votes vote down vote up 
public FunctionDesc simulateCountMetric() {
    FunctionDesc f1 = new FunctionDesc();
    f1.setExpression("COUNT");
    ParameterDesc p1 = ParameterDesc.newInstance("1");
    f1.setParameter(p1);
    f1.setReturnType("bigint");
    return f1;
}
Example 5
Source File: CubeDescCreator.java    From kylin-on-parquet-v2 with Apache License 2.0 5 votes vote down vote up 
public static MeasureDesc getMeasureCount() {
    ParameterDesc parameterDesc = new ParameterDesc();
    parameterDesc.setValue("1");
    parameterDesc.setType(FunctionDesc.PARAMETER_TYPE_CONSTANT);

    FunctionDesc function = new FunctionDesc();
    function.setExpression(FunctionDesc.FUNC_COUNT);
    function.setParameter(parameterDesc);
    function.setReturnType(HiveTableCreator.HiveTypeEnum.HBIGINT.toString());

    MeasureDesc result = new MeasureDesc();
    result.setName("_COUNT_");
    result.setFunction(function);
    return result;
}
Example 6
Source File: TestHelper.java    From kylin with Apache License 2.0 5 votes vote down vote up 
public FunctionDesc simulateMetric(String columnName, String funcName, String returnType) {
    TblColRef gmvCol = getColumnRef(columnName);

    FunctionDesc f1 = new FunctionDesc();
    f1.setExpression(funcName);
    ParameterDesc p1 = ParameterDesc.newInstance(gmvCol);
    f1.setParameter(p1);
    f1.setReturnType(returnType);
    return f1;
}
Example 7
Source File: SegmentMemoryStoreTest.java    From kylin with Apache License 2.0 5 votes vote down vote up 
private Set<FunctionDesc> simulateMetrics() {
    List<FunctionDesc> functions = Lists.newArrayList();

    TblColRef gmvCol = cubeDesc.getModel().findColumn("STREAMING_V2_TABLE.GMV");
    FunctionDesc f1 = new FunctionDesc();
    f1.setExpression("SUM");
    ParameterDesc p1 = ParameterDesc.newInstance(gmvCol);
    f1.setParameter(p1);
    f1.setReturnType("decimal(19,6)");
    functions.add(f1);

    return Sets.newHashSet(functions);
}
Example 8
Source File: CubeDescCreator.java    From kylin with Apache License 2.0 5 votes vote down vote up 
public static MeasureDesc getMeasurePercentile(String column) {
    ParameterDesc parameterDesc = new ParameterDesc();
    parameterDesc.setValue(column);
    parameterDesc.setType(FunctionDesc.PARAMETER_TYPE_COLUMN);

    FunctionDesc function = new FunctionDesc();
    function.setExpression(PercentileMeasureType.FUNC_PERCENTILE);
    function.setParameter(parameterDesc);
    function.setReturnType("percentile(100)");

    MeasureDesc result = new MeasureDesc();
    result.setName(column + "_PERCENTILE");
    result.setFunction(function);
    return result;
}
Example 9
Source File: CubeDescCreator.java    From kylin with Apache License 2.0 5 votes vote down vote up 
public static MeasureDesc getMeasureHLL(String column) {
    ParameterDesc parameterDesc = new ParameterDesc();
    parameterDesc.setValue(column);
    parameterDesc.setType(FunctionDesc.PARAMETER_TYPE_COLUMN);

    FunctionDesc function = new FunctionDesc();
    function.setExpression(FunctionDesc.FUNC_COUNT_DISTINCT);
    function.setParameter(parameterDesc);
    function.setReturnType("hllc12");

    MeasureDesc result = new MeasureDesc();
    result.setName(column + "_HLL");
    result.setFunction(function);
    return result;
}
Example 10
Source File: CubeDescCreator.java    From kylin with Apache License 2.0 5 votes vote down vote up 
public static MeasureDesc getMeasureMin(String column, String dataType) {
    ParameterDesc parameterDesc = new ParameterDesc();
    parameterDesc.setValue(column);
    parameterDesc.setType(FunctionDesc.PARAMETER_TYPE_COLUMN);

    FunctionDesc function = new FunctionDesc();
    function.setExpression(FunctionDesc.FUNC_MIN);
    function.setParameter(parameterDesc);
    function.setReturnType(dataType);

    MeasureDesc result = new MeasureDesc();
    result.setName(column + "_MIN");
    result.setFunction(function);
    return result;
}
Example 11
Source File: CubeDescCreator.java    From kylin with Apache License 2.0 5 votes vote down vote up 
public static MeasureDesc getMeasureMax(String column, String dataType) {
    ParameterDesc parameterDesc = new ParameterDesc();
    parameterDesc.setValue(column);
    parameterDesc.setType(FunctionDesc.PARAMETER_TYPE_COLUMN);

    FunctionDesc function = new FunctionDesc();
    function.setExpression(FunctionDesc.FUNC_MAX);
    function.setParameter(parameterDesc);
    function.setReturnType(dataType);

    MeasureDesc result = new MeasureDesc();
    result.setName(column + "_MAX");
    result.setFunction(function);
    return result;
}
Example 12
Source File: EndpointTupleIterator.java    From Kylin with Apache License 2.0 5 votes vote down vote up 
/**
 * measure comes from query engine, does not contain enough information
 *
 * @param measures
 * @param columns
 */
private void rewriteMeasureParameters(List<FunctionDesc> measures, List<TblColRef> columns) {
    for (FunctionDesc functionDesc : measures) {
        if (functionDesc.isCount()) {
            functionDesc.setReturnType("bigint");
            functionDesc.setReturnDataType(DataType.getInstance(functionDesc.getReturnType()));
        } else {
            boolean updated = false;
            for (TblColRef column : columns) {
                if (column.isSameAs(factTableName, functionDesc.getParameter().getValue())) {
                    if (functionDesc.isCountDistinct()) {
                        //TODO: default precision might need be configurable
                        String iiDefaultHLLC = "hllc10";
                        functionDesc.setReturnType(iiDefaultHLLC);
                        functionDesc.setReturnDataType(DataType.getInstance(iiDefaultHLLC));
                    } else {
                        functionDesc.setReturnType(column.getColumn().getType().toString());
                        functionDesc.setReturnDataType(DataType.getInstance(functionDesc.getReturnType()));
                    }
                    functionDesc.getParameter().setColRefs(ImmutableList.of(column));
                    updated = true;
                    break;
                }
            }
            if (!updated) {
                throw new RuntimeException("Func " + functionDesc + " is not related to any column in fact table " + factTableName);
            }
        }
    }
}
Example 13
Source File: TestHelper.java    From kylin-on-parquet-v2 with Apache License 2.0 5 votes vote down vote up 
public FunctionDesc simulateCountMetric() {
    FunctionDesc f1 = new FunctionDesc();
    f1.setExpression("COUNT");
    ParameterDesc p1 = ParameterDesc.newInstance("1");
    f1.setParameter(p1);
    f1.setReturnType("bigint");
    return f1;
}
Example 14
Source File: TestHelper.java    From kylin-on-parquet-v2 with Apache License 2.0 5 votes vote down vote up 
public FunctionDesc simulateMetric(String columnName, String funcName, String returnType) {
    TblColRef gmvCol = getColumnRef(columnName);

    FunctionDesc f1 = new FunctionDesc();
    f1.setExpression(funcName);
    ParameterDesc p1 = ParameterDesc.newInstance(gmvCol);
    f1.setParameter(p1);
    f1.setReturnType(returnType);
    return f1;
}
Example 15
Source File: MeasureCodecTest.java    From Kylin with Apache License 2.0 5 votes vote down vote up 
private MeasureDesc measure(String returnType) {
    MeasureDesc desc = new MeasureDesc();
    FunctionDesc func = new FunctionDesc();
    func.setReturnType(returnType);
    desc.setFunction(func);
    return desc;
}
Example 16
Source File: SegmentMemoryStoreTest.java    From kylin-on-parquet-v2 with Apache License 2.0 5 votes vote down vote up 
private Set<FunctionDesc> simulateMetrics() {
    List<FunctionDesc> functions = Lists.newArrayList();

    TblColRef gmvCol = cubeDesc.getModel().findColumn("STREAMING_V2_TABLE.GMV");
    FunctionDesc f1 = new FunctionDesc();
    f1.setExpression("SUM");
    ParameterDesc p1 = ParameterDesc.newInstance(gmvCol);
    f1.setParameter(p1);
    f1.setReturnType("decimal(19,6)");
    functions.add(f1);

    return Sets.newHashSet(functions);
}
Example 17
Source File: CubeDescCreator.java    From kylin-on-parquet-v2 with Apache License 2.0 5 votes vote down vote up 
public static MeasureDesc getMeasurePercentile(String column) {
    ParameterDesc parameterDesc = new ParameterDesc();
    parameterDesc.setValue(column);
    parameterDesc.setType(FunctionDesc.PARAMETER_TYPE_COLUMN);

    FunctionDesc function = new FunctionDesc();
    function.setExpression(PercentileMeasureType.FUNC_PERCENTILE);
    function.setParameter(parameterDesc);
    function.setReturnType("percentile(100)");

    MeasureDesc result = new MeasureDesc();
    result.setName(column + "_PERCENTILE");
    result.setFunction(function);
    return result;
}
Example 18
Source File: CubeDescCreator.java    From kylin-on-parquet-v2 with Apache License 2.0 5 votes vote down vote up 
public static MeasureDesc getMeasureHLL(String column) {
    ParameterDesc parameterDesc = new ParameterDesc();
    parameterDesc.setValue(column);
    parameterDesc.setType(FunctionDesc.PARAMETER_TYPE_COLUMN);

    FunctionDesc function = new FunctionDesc();
    function.setExpression(FunctionDesc.FUNC_COUNT_DISTINCT);
    function.setParameter(parameterDesc);
    function.setReturnType("hllc12");

    MeasureDesc result = new MeasureDesc();
    result.setName(column + "_HLL");
    result.setFunction(function);
    return result;
}
Example 19
Source File: CubeDescCreator.java    From kylin-on-parquet-v2 with Apache License 2.0 5 votes vote down vote up 
public static MeasureDesc getMeasureMin(String column, String dataType) {
    ParameterDesc parameterDesc = new ParameterDesc();
    parameterDesc.setValue(column);
    parameterDesc.setType(FunctionDesc.PARAMETER_TYPE_COLUMN);

    FunctionDesc function = new FunctionDesc();
    function.setExpression(FunctionDesc.FUNC_MIN);
    function.setParameter(parameterDesc);
    function.setReturnType(dataType);

    MeasureDesc result = new MeasureDesc();
    result.setName(column + "_MIN");
    result.setFunction(function);
    return result;
}
Example 20
Source File: CubeDescCreator.java    From kylin-on-parquet-v2 with Apache License 2.0 5 votes vote down vote up 
public static MeasureDesc getMeasureMax(String column, String dataType) {
    ParameterDesc parameterDesc = new ParameterDesc();
    parameterDesc.setValue(column);
    parameterDesc.setType(FunctionDesc.PARAMETER_TYPE_COLUMN);

    FunctionDesc function = new FunctionDesc();
    function.setExpression(FunctionDesc.FUNC_MAX);
    function.setParameter(parameterDesc);
    function.setReturnType(dataType);

    MeasureDesc result = new MeasureDesc();
    result.setName(column + "_MAX");
    result.setFunction(function);
    return result;
}