Examples with UDFArgumentLengthException org.apache.hadoop.hive.ql.exec.UDFArgumentLengthException used on opensource projects

Example 6 with UDFArgumentLengthException

use of org.apache.hadoop.hive.ql.exec.UDFArgumentLengthException in project hive by apache.

the class GenericUDFPrintf method initialize.

@Override
public ObjectInspector initialize(ObjectInspector[] arguments) throws UDFArgumentException {
    if (arguments.length < 1) {
        throw new UDFArgumentLengthException("The function PRINTF(String format, Obj... args) needs at least one arguments.");
    }
    WritableStringObjectInspector resultOI = PrimitiveObjectInspectorFactory.writableStringObjectInspector;
    if (arguments[0].getCategory() == ObjectInspector.Category.PRIMITIVE) {
        PrimitiveObjectInspector poi = ((PrimitiveObjectInspector) arguments[0]);
        if (poi.getPrimitiveCategory() == PrimitiveObjectInspector.PrimitiveCategory.STRING || poi.getPrimitiveCategory() == PrimitiveObjectInspector.PrimitiveCategory.CHAR || poi.getPrimitiveCategory() == PrimitiveObjectInspector.PrimitiveCategory.VARCHAR || poi.getPrimitiveCategory() == PrimitiveObjectInspector.PrimitiveCategory.VOID) {
            converterFormat = ObjectInspectorConverters.getConverter(arguments[0], resultOI);
        } else {
            throw new UDFArgumentTypeException(0, "Argument 1" + " of function PRINTF must be \"" + serdeConstants.STRING_TYPE_NAME + "\", but \"" + arguments[0].getTypeName() + "\" was found.");
        }
    } else {
        throw new UDFArgumentTypeException(0, "Argument 1" + " of function PRINTF must be \"" + serdeConstants.STRING_TYPE_NAME + "\", but \"" + arguments[0].getTypeName() + "\" was found.");
    }
    for (int i = 1; i < arguments.length; i++) {
        if (!arguments[i].getCategory().equals(Category.PRIMITIVE)) {
            throw new UDFArgumentTypeException(i, "Argument " + (i + 1) + " of function PRINTF must be \"" + Category.PRIMITIVE + "\", but \"" + arguments[i].getTypeName() + "\" was found.");
        }
    }
    argumentOIs = arguments;
    return resultOI;
}

Example 7 with UDFArgumentLengthException

use of org.apache.hadoop.hive.ql.exec.UDFArgumentLengthException in project hive by apache.

the class GenericUDFReflect2 method initialize.

@Override
public ObjectInspector initialize(ObjectInspector[] arguments) throws UDFArgumentException {
    if (arguments.length < 2) {
        throw new UDFArgumentLengthException("The function GenericUDFReflect2(arg0,method[,arg1[,arg2]...])" + " accepts 2 or more arguments.");
    }
    if (arguments[0].getCategory() != ObjectInspector.Category.PRIMITIVE) {
        throw new UDFArgumentTypeException(1, "The target instance should be a primitive type.");
    }
    targetOI = (PrimitiveObjectInspector) arguments[0];
    if (!(arguments[1] instanceof StringObjectInspector)) {
        throw new UDFArgumentTypeException(1, "The method name should be string type.");
    }
    if (!(arguments[1] instanceof ConstantObjectInspector)) {
        throw new UDFArgumentTypeException(1, "The method name should be a constant.");
    }
    Text methodName = (Text) ((ConstantObjectInspector) arguments[1]).getWritableConstantValue();
    if (methodName.toString().equals("hashCode") && arguments.length == 2) {
        // it's non-deterministic
        throw new UDFArgumentTypeException(1, "Use hash() UDF instead of this.");
    }
    setupParameterOIs(arguments, 2);
    Class<?> targetClass = PrimitiveObjectInspectorUtils.getTypeEntryFromPrimitiveCategory(targetOI.getPrimitiveCategory()).primitiveJavaClass;
    try {
        method = findMethod(targetClass, methodName.toString(), null, true);
        // Note: type param is not available here.
        PrimitiveTypeEntry typeEntry = getTypeFor(method.getReturnType());
        returnOI = PrimitiveObjectInspectorFactory.getPrimitiveWritableObjectInspector(typeEntry.primitiveCategory);
        returnObj = (Writable) returnOI.getPrimitiveWritableClass().newInstance();
    } catch (Exception e) {
        throw new UDFArgumentException(e);
    }
    return returnOI;
}

Example 8 with UDFArgumentLengthException

use of org.apache.hadoop.hive.ql.exec.UDFArgumentLengthException in project hive by apache.

the class GenericUDFLower method initialize.

@Override
public ObjectInspector initialize(ObjectInspector[] arguments) throws UDFArgumentException {
    if (arguments.length != 1) {
        throw new UDFArgumentLengthException("LOWER requires 1 argument, got " + arguments.length);
    }
    if (arguments[0].getCategory() != Category.PRIMITIVE) {
        throw new UDFArgumentException("LOWER only takes primitive types, got " + argumentOI.getTypeName());
    }
    argumentOI = (PrimitiveObjectInspector) arguments[0];
    stringConverter = new PrimitiveObjectInspectorConverter.StringConverter(argumentOI);
    PrimitiveCategory inputType = argumentOI.getPrimitiveCategory();
    ObjectInspector outputOI = null;
    BaseCharTypeInfo typeInfo;
    switch(inputType) {
        case CHAR:
            // return type should have same length as the input.
            returnType = inputType;
            typeInfo = TypeInfoFactory.getCharTypeInfo(GenericUDFUtils.StringHelper.getFixedStringSizeForType(argumentOI));
            outputOI = PrimitiveObjectInspectorFactory.getPrimitiveWritableObjectInspector(typeInfo);
            break;
        case VARCHAR:
            // return type should have same length as the input.
            returnType = inputType;
            typeInfo = TypeInfoFactory.getVarcharTypeInfo(GenericUDFUtils.StringHelper.getFixedStringSizeForType(argumentOI));
            outputOI = PrimitiveObjectInspectorFactory.getPrimitiveWritableObjectInspector(typeInfo);
            break;
        default:
            returnType = PrimitiveCategory.STRING;
            outputOI = PrimitiveObjectInspectorFactory.writableStringObjectInspector;
            break;
    }
    returnHelper = new GenericUDFUtils.StringHelper(returnType);
    return outputOI;
}

Example 9 with UDFArgumentLengthException

use of org.apache.hadoop.hive.ql.exec.UDFArgumentLengthException in project hive by apache.

the class GenericUDFMacro method initialize.

@Override
public ObjectInspector initialize(ObjectInspector[] arguments) throws UDFArgumentException {
    checkNotNull(colTypes, "colTypes");
    checkNotNull(arguments, "arguments");
    checkNotNull(bodyDesc, "bodyDesc");
    if (colTypes.size() != arguments.length) {
        throw new UDFArgumentLengthException("The macro " + macroName + " accepts exactly " + colTypes.size() + " arguments.");
    }
    try {
        body = ExprNodeEvaluatorFactory.get(bodyDesc);
    } catch (HiveException ex) {
        throw new UDFArgumentException(ex);
    }
    converters = new ObjectInspectorConverters.Converter[arguments.length];
    ArrayList<ObjectInspector> colObjectInspectors = new ArrayList<ObjectInspector>(colTypes.size());
    for (int index = 0; index < arguments.length; ++index) {
        ObjectInspector objectInspector = TypeInfoUtils.getStandardWritableObjectInspectorFromTypeInfo(colTypes.get(index));
        colObjectInspectors.add(objectInspector);
        converters[index] = ObjectInspectorConverters.getConverter(arguments[index], objectInspector);
    }
    evaluatedArguments = new ArrayList<Object>(arguments.length);
    ObjectInspector structOI = ObjectInspectorFactory.getStandardStructObjectInspector(colNames, colObjectInspectors);
    try {
        return body.initialize(structOI);
    } catch (HiveException ex) {
        throw new UDFArgumentException(ex);
    }
}

Example 10 with UDFArgumentLengthException

use of org.apache.hadoop.hive.ql.exec.UDFArgumentLengthException in project hive by apache.

the class GenericUDFMap method initialize.

@Override
public ObjectInspector initialize(ObjectInspector[] arguments) throws UDFArgumentException {
    if (arguments.length % 2 != 0) {
        throw new UDFArgumentLengthException("Arguments must be in key/value pairs");
    }
    GenericUDFUtils.ReturnObjectInspectorResolver keyOIResolver = new GenericUDFUtils.ReturnObjectInspectorResolver(true);
    GenericUDFUtils.ReturnObjectInspectorResolver valueOIResolver = new GenericUDFUtils.ReturnObjectInspectorResolver(true);
    for (int i = 0; i < arguments.length; i++) {
        if (i % 2 == 0) {
            // Keys
            if (!(arguments[i] instanceof PrimitiveObjectInspector)) {
                throw new UDFArgumentTypeException(1, "Primitive Type is expected but " + arguments[i].getTypeName() + "\" is found");
            }
            if (!keyOIResolver.update(arguments[i])) {
                throw new UDFArgumentTypeException(i, "Key type \"" + arguments[i].getTypeName() + "\" is different from preceding key types. " + "Previous key type was \"" + arguments[i - 2].getTypeName() + "\"");
            }
        } else {
            // Values
            if (!valueOIResolver.update(arguments[i]) && !compatibleTypes(arguments[i], arguments[i - 2])) {
                throw new UDFArgumentTypeException(i, "Value type \"" + arguments[i].getTypeName() + "\" is different from preceding value types. " + "Previous value type was \"" + arguments[i - 2].getTypeName() + "\"");
            }
        }
    }
    ObjectInspector keyOI = keyOIResolver.get(PrimitiveObjectInspectorFactory.javaStringObjectInspector);
    ObjectInspector valueOI = valueOIResolver.get(PrimitiveObjectInspectorFactory.javaStringObjectInspector);
    converters = new Converter[arguments.length];
    for (int i = 0; i < arguments.length; i++) {
        converters[i] = ObjectInspectorConverters.getConverter(arguments[i], i % 2 == 0 ? keyOI : valueOI);
    }
    return ObjectInspectorFactory.getStandardMapObjectInspector(keyOI, valueOI);
}