Examples with GenericUDFOPDivide org.apache.hadoop.hive.ql.udf.generic.GenericUDFOPDivide used on opensource projects

Example 1 with GenericUDFOPDivide

use of org.apache.hadoop.hive.ql.udf.generic.GenericUDFOPDivide in project hive by apache.

the class TestVectorArithmetic method doTestsWithDiffColumnScalar.

private void doTestsWithDiffColumnScalar(Random random, TypeInfo typeInfo1, TypeInfo typeInfo2, ColumnScalarMode columnScalarMode, Arithmetic arithmetic, boolean tryDecimal64) throws Exception {
    String typeName1 = typeInfo1.getTypeName();
    PrimitiveCategory primitiveCategory1 = ((PrimitiveTypeInfo) typeInfo1).getPrimitiveCategory();
    String typeName2 = typeInfo2.getTypeName();
    PrimitiveCategory primitiveCategory2 = ((PrimitiveTypeInfo) typeInfo2).getPrimitiveCategory();
    List<GenerationSpec> generationSpecList = new ArrayList<GenerationSpec>();
    List<DataTypePhysicalVariation> explicitDataTypePhysicalVariationList = new ArrayList<DataTypePhysicalVariation>();
    List<String> columns = new ArrayList<String>();
    int columnNum = 1;
    ExprNodeDesc col1Expr;
    Object scalar1Object = null;
    final boolean decimal64Enable1 = checkDecimal64(tryDecimal64, typeInfo1);
    if (columnScalarMode == ColumnScalarMode.COLUMN_COLUMN || columnScalarMode == ColumnScalarMode.COLUMN_SCALAR) {
        generationSpecList.add(GenerationSpec.createSameType(typeInfo1));
        explicitDataTypePhysicalVariationList.add(decimal64Enable1 ? DataTypePhysicalVariation.DECIMAL_64 : DataTypePhysicalVariation.NONE);
        String columnName = "col" + (columnNum++);
        col1Expr = new ExprNodeColumnDesc(typeInfo1, columnName, "table", false);
        columns.add(columnName);
    } else {
        scalar1Object = VectorRandomRowSource.randomPrimitiveObject(random, (PrimitiveTypeInfo) typeInfo1);
        // Adjust the decimal type to the scalar's type...
        if (typeInfo1 instanceof DecimalTypeInfo) {
            typeInfo1 = getDecimalScalarTypeInfo(scalar1Object);
        }
        col1Expr = new ExprNodeConstantDesc(typeInfo1, scalar1Object);
    }
    ExprNodeDesc col2Expr;
    Object scalar2Object = null;
    final boolean decimal64Enable2 = checkDecimal64(tryDecimal64, typeInfo2);
    if (columnScalarMode == ColumnScalarMode.COLUMN_COLUMN || columnScalarMode == ColumnScalarMode.SCALAR_COLUMN) {
        generationSpecList.add(GenerationSpec.createSameType(typeInfo2));
        explicitDataTypePhysicalVariationList.add(decimal64Enable2 ? DataTypePhysicalVariation.DECIMAL_64 : DataTypePhysicalVariation.NONE);
        String columnName = "col" + (columnNum++);
        col2Expr = new ExprNodeColumnDesc(typeInfo2, columnName, "table", false);
        columns.add(columnName);
    } else {
        scalar2Object = VectorRandomRowSource.randomPrimitiveObject(random, (PrimitiveTypeInfo) typeInfo2);
        // Adjust the decimal type to the scalar's type...
        if (typeInfo2 instanceof DecimalTypeInfo) {
            typeInfo2 = getDecimalScalarTypeInfo(scalar2Object);
        }
        col2Expr = new ExprNodeConstantDesc(typeInfo2, scalar2Object);
    }
    List<ObjectInspector> objectInspectorList = new ArrayList<ObjectInspector>();
    objectInspectorList.add(VectorRandomRowSource.getObjectInspector(typeInfo1));
    objectInspectorList.add(VectorRandomRowSource.getObjectInspector(typeInfo2));
    List<ExprNodeDesc> children = new ArrayList<ExprNodeDesc>();
    children.add(col1Expr);
    children.add(col2Expr);
    // ----------------------------------------------------------------------------------------------
    String[] columnNames = columns.toArray(new String[0]);
    VectorRandomRowSource rowSource = new VectorRandomRowSource();
    rowSource.initGenerationSpecSchema(random, generationSpecList, /* maxComplexDepth */
    0, /* allowNull */
    true, /* isUnicodeOk */
    true, explicitDataTypePhysicalVariationList);
    Object[][] randomRows = rowSource.randomRows(100000);
    VectorRandomBatchSource batchSource = VectorRandomBatchSource.createInterestingBatches(random, rowSource, randomRows, null);
    GenericUDF genericUdf;
    switch(arithmetic) {
        case ADD:
            genericUdf = new GenericUDFOPPlus();
            break;
        case SUBTRACT:
            genericUdf = new GenericUDFOPMinus();
            break;
        case MULTIPLY:
            genericUdf = new GenericUDFOPMultiply();
            break;
        case DIVIDE:
            genericUdf = new GenericUDFOPDivide();
            break;
        case MODULUS:
            genericUdf = new GenericUDFOPMod();
            break;
        default:
            throw new RuntimeException("Unexpected arithmetic " + arithmetic);
    }
    ObjectInspector[] objectInspectors = objectInspectorList.toArray(new ObjectInspector[objectInspectorList.size()]);
    ObjectInspector outputObjectInspector = null;
    try {
        outputObjectInspector = genericUdf.initialize(objectInspectors);
    } catch (Exception e) {
        Assert.fail(e.toString());
    }
    TypeInfo outputTypeInfo = TypeInfoUtils.getTypeInfoFromObjectInspector(outputObjectInspector);
    ExprNodeGenericFuncDesc exprDesc = new ExprNodeGenericFuncDesc(outputTypeInfo, genericUdf, children);
    final int rowCount = randomRows.length;
    Object[][] resultObjectsArray = new Object[ArithmeticTestMode.count][];
    for (int i = 0; i < ArithmeticTestMode.count; i++) {
        Object[] resultObjects = new Object[rowCount];
        resultObjectsArray[i] = resultObjects;
        ArithmeticTestMode arithmeticTestMode = ArithmeticTestMode.values()[i];
        switch(arithmeticTestMode) {
            case ROW_MODE:
                doRowArithmeticTest(typeInfo1, typeInfo2, columns, children, exprDesc, arithmetic, randomRows, columnScalarMode, rowSource.rowStructObjectInspector(), outputTypeInfo, resultObjects);
                break;
            case ADAPTOR:
            case VECTOR_EXPRESSION:
                doVectorArithmeticTest(typeInfo1, typeInfo2, columns, columnNames, rowSource.typeInfos(), rowSource.dataTypePhysicalVariations(), children, exprDesc, arithmetic, arithmeticTestMode, columnScalarMode, batchSource, exprDesc.getWritableObjectInspector(), outputTypeInfo, resultObjects);
                break;
            default:
                throw new RuntimeException("Unexpected IF statement test mode " + arithmeticTestMode);
        }
    }
    for (int i = 0; i < rowCount; i++) {
        // Row-mode is the expected value.
        Object expectedResult = resultObjectsArray[0][i];
        for (int v = 1; v < ArithmeticTestMode.count; v++) {
            Object vectorResult = resultObjectsArray[v][i];
            if (expectedResult == null || vectorResult == null) {
                if (expectedResult != null || vectorResult != null) {
                    Assert.fail("Row " + i + " typeName1 " + typeName1 + " typeName2 " + typeName2 + " outputTypeName " + outputTypeInfo.getTypeName() + " " + arithmetic + " " + ArithmeticTestMode.values()[v] + " " + columnScalarMode + " result is NULL " + (vectorResult == null) + " does not match row-mode expected result is NULL " + (expectedResult == null) + (columnScalarMode == ColumnScalarMode.SCALAR_COLUMN ? " scalar1 " + scalar1Object.toString() : "") + " row values " + Arrays.toString(randomRows[i]) + (columnScalarMode == ColumnScalarMode.COLUMN_SCALAR ? " scalar2 " + scalar2Object.toString() : ""));
                }
            } else {
                if (!expectedResult.equals(vectorResult)) {
                    Assert.fail("Row " + i + " typeName1 " + typeName1 + " typeName2 " + typeName2 + " outputTypeName " + outputTypeInfo.getTypeName() + " " + arithmetic + " " + ArithmeticTestMode.values()[v] + " " + columnScalarMode + " result " + vectorResult.toString() + " (" + vectorResult.getClass().getSimpleName() + ")" + " does not match row-mode expected result " + expectedResult.toString() + " (" + expectedResult.getClass().getSimpleName() + ")" + (columnScalarMode == ColumnScalarMode.SCALAR_COLUMN ? " scalar1 " + scalar1Object.toString() : "") + " row values " + Arrays.toString(randomRows[i]) + (columnScalarMode == ColumnScalarMode.COLUMN_SCALAR ? " scalar2 " + scalar2Object.toString() : ""));
                }
            }
        }
    }
}