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

Example 16 with UDFArgumentLengthException

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

the class GenericUDFOctetLength method initialize.

@Override
public ObjectInspector initialize(ObjectInspector[] arguments) throws UDFArgumentException {
    if (arguments.length != 1) {
        throw new UDFArgumentLengthException("OCTET_LENGTH requires 1 argument, got " + arguments.length);
    }
    if (arguments[0].getCategory() != ObjectInspector.Category.PRIMITIVE) {
        throw new UDFArgumentException("OCTET_LENGTH only takes primitive types, got " + argumentOI.getTypeName());
    }
    argumentOI = (PrimitiveObjectInspector) arguments[0];
    stringConverter = new PrimitiveObjectInspectorConverter.StringConverter(argumentOI);
    PrimitiveObjectInspector.PrimitiveCategory inputType = argumentOI.getPrimitiveCategory();
    ObjectInspector outputOI = null;
    switch(inputType) {
        case CHAR:
        case VARCHAR:
        case STRING:
            isInputString = true;
            break;
        case BINARY:
            isInputString = false;
            break;
        default:
            throw new UDFArgumentException(" OCTET_LENGTH() only takes STRING/CHAR/VARCHAR/BINARY types as first argument, got " + inputType);
    }
    outputOI = PrimitiveObjectInspectorFactory.writableIntObjectInspector;
    return outputOI;
}

Example 17 with UDFArgumentLengthException

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

the class GenericUDFTrunc method evaluateDate.

private Object evaluateDate(DeferredObject[] arguments) throws UDFArgumentLengthException, HiveException, UDFArgumentTypeException, UDFArgumentException {
    if (arguments.length != 2) {
        throw new UDFArgumentLengthException("trunc() requires 2 argument, got " + arguments.length);
    }
    if (arguments[0].get() == null || arguments[1].get() == null) {
        return null;
    }
    if (textConverter2 != null) {
        fmtInput = textConverter2.convert(arguments[1].get()).toString();
    }
    Date date;
    switch(inputType1) {
        case STRING:
            String dateString = textConverter1.convert(arguments[0].get()).toString();
            try {
                date = formatter.parse(dateString.toString());
            } catch (ParseException e) {
                return null;
            }
            break;
        case TIMESTAMP:
            Timestamp ts = ((TimestampWritable) timestampConverter.convert(arguments[0].get())).getTimestamp();
            date = ts;
            break;
        case DATE:
            DateWritable dw = (DateWritable) dateWritableConverter.convert(arguments[0].get());
            date = dw.get();
            break;
        default:
            throw new UDFArgumentTypeException(0, "TRUNC() only takes STRING/TIMESTAMP/DATEWRITABLE types, got " + inputType1);
    }
    if (evalDate(date) == null) {
        return null;
    }
    Date newDate = calendar.getTime();
    output.set(formatter.format(newDate));
    return output;
}

Example 18 with UDFArgumentLengthException

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

the class GenericUDTFGetSplits method initialize.

@Override
public StructObjectInspector initialize(ObjectInspector[] arguments) throws UDFArgumentException {
    LOG.debug("initializing GenericUDFGetSplits");
    if (SessionState.get() == null || SessionState.get().getConf() == null) {
        throw new IllegalStateException("Cannot run get splits outside HS2");
    }
    LOG.debug("Initialized conf, jc and metastore connection");
    if (arguments.length != 2) {
        throw new UDFArgumentLengthException("The function GET_SPLITS accepts 2 arguments.");
    } else if (!(arguments[0] instanceof StringObjectInspector)) {
        LOG.error("Got " + arguments[0].getTypeName() + " instead of string.");
        throw new UDFArgumentTypeException(0, "\"" + "string\" is expected at function GET_SPLITS, " + "but \"" + arguments[0].getTypeName() + "\" is found");
    } else if (!(arguments[1] instanceof IntObjectInspector)) {
        LOG.error("Got " + arguments[1].getTypeName() + " instead of int.");
        throw new UDFArgumentTypeException(1, "\"" + "int\" is expected at function GET_SPLITS, " + "but \"" + arguments[1].getTypeName() + "\" is found");
    }
    stringOI = (StringObjectInspector) arguments[0];
    intOI = (IntObjectInspector) arguments[1];
    List<String> names = Arrays.asList("split");
    List<ObjectInspector> fieldOIs = Arrays.<ObjectInspector>asList(PrimitiveObjectInspectorFactory.javaByteArrayObjectInspector);
    StructObjectInspector outputOI = ObjectInspectorFactory.getStandardStructObjectInspector(names, fieldOIs);
    LOG.debug("done initializing GenericUDFGetSplits");
    return outputOI;
}

Example 19 with UDFArgumentLengthException

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

the class GenericUDFEncode method initialize.

@Override
public ObjectInspector initialize(ObjectInspector[] arguments) throws UDFArgumentException {
    if (arguments.length != 2) {
        throw new UDFArgumentLengthException("Encode() requires exactly two arguments");
    }
    if (arguments[0].getCategory() != Category.PRIMITIVE || PrimitiveGrouping.STRING_GROUP != PrimitiveObjectInspectorUtils.getPrimitiveGrouping(((PrimitiveObjectInspector) arguments[0]).getPrimitiveCategory())) {
        throw new UDFArgumentTypeException(0, "The first argument to Encode() must be a string/varchar");
    }
    stringOI = (PrimitiveObjectInspector) arguments[0];
    if (arguments[1].getCategory() != Category.PRIMITIVE || PrimitiveGrouping.STRING_GROUP != PrimitiveObjectInspectorUtils.getPrimitiveGrouping(((PrimitiveObjectInspector) arguments[1]).getPrimitiveCategory())) {
        throw new UDFArgumentTypeException(1, "The second argument to Encode() must be a string/varchar");
    }
    charsetOI = (PrimitiveObjectInspector) arguments[1];
    // If the character set for encoding is constant, we can optimize that
    if (charsetOI instanceof ConstantObjectInspector) {
        String charSetName = ((ConstantObjectInspector) arguments[1]).getWritableConstantValue().toString();
        encoder = Charset.forName(charSetName).newEncoder().onMalformedInput(CodingErrorAction.REPORT).onUnmappableCharacter(CodingErrorAction.REPORT);
    }
    result = new BytesWritable();
    return (ObjectInspector) PrimitiveObjectInspectorFactory.writableBinaryObjectInspector;
}

Example 20 with UDFArgumentLengthException

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

the class GenericUDFFormatNumber method initialize.

@Override
public ObjectInspector initialize(ObjectInspector[] arguments) throws UDFArgumentException {
    if (arguments.length != 2) {
        throw new UDFArgumentLengthException("The function FORMAT_NUMBER(X, D or F) needs two arguments.");
    }
    switch(arguments[0].getCategory()) {
        case PRIMITIVE:
            break;
        default:
            throw new UDFArgumentTypeException(0, "Argument 1" + " of function FORMAT_NUMBER must be \"" + serdeConstants.TINYINT_TYPE_NAME + "\"" + " or \"" + serdeConstants.SMALLINT_TYPE_NAME + "\"" + " or \"" + serdeConstants.INT_TYPE_NAME + "\"" + " or \"" + serdeConstants.BIGINT_TYPE_NAME + "\"" + " or \"" + serdeConstants.DOUBLE_TYPE_NAME + "\"" + " or \"" + serdeConstants.FLOAT_TYPE_NAME + "\"" + " or \"" + serdeConstants.DECIMAL_TYPE_NAME + "\", but \"" + arguments[0].getTypeName() + "\" was found.");
    }
    switch(arguments[1].getCategory()) {
        case PRIMITIVE:
            break;
        default:
            throw new UDFArgumentTypeException(1, "Argument 2" + " of function FORMAT_NUMBER must be \"" + serdeConstants.TINYINT_TYPE_NAME + "\"" + " or \"" + serdeConstants.SMALLINT_TYPE_NAME + "\"" + " or \"" + serdeConstants.INT_TYPE_NAME + "\"" + " or \"" + serdeConstants.BIGINT_TYPE_NAME + "\"" + " or \"" + serdeConstants.STRING_TYPE_NAME + "\", but \"" + arguments[1].getTypeName() + "\" was found.");
    }
    PrimitiveObjectInspector xObjectInspector = (PrimitiveObjectInspector) arguments[0];
    PrimitiveObjectInspector dObjectInspector = (PrimitiveObjectInspector) arguments[1];
    switch(xObjectInspector.getPrimitiveCategory()) {
        case VOID:
        case BYTE:
        case SHORT:
        case INT:
        case LONG:
        case DOUBLE:
        case FLOAT:
        case DECIMAL:
            break;
        default:
            throw new UDFArgumentTypeException(0, "Argument 1" + " of function FORMAT_NUMBER must be \"" + serdeConstants.TINYINT_TYPE_NAME + "\"" + " or \"" + serdeConstants.SMALLINT_TYPE_NAME + "\"" + " or \"" + serdeConstants.INT_TYPE_NAME + "\"" + " or \"" + serdeConstants.BIGINT_TYPE_NAME + "\"" + " or \"" + serdeConstants.DOUBLE_TYPE_NAME + "\"" + " or \"" + serdeConstants.FLOAT_TYPE_NAME + "\"" + " or \"" + serdeConstants.DECIMAL_TYPE_NAME + "\", but \"" + arguments[0].getTypeName() + "\" was found.");
    }
    dType = dObjectInspector.getPrimitiveCategory();
    switch(dType) {
        case VOID:
        case BYTE:
        case SHORT:
        case INT:
        case LONG:
            break;
        case STRING:
            if (!(arguments[1] instanceof ConstantObjectInspector)) {
                throw new UDFArgumentTypeException(1, "Format string passed must be a constant STRING." + arguments[1].toString());
            }
            ConstantObjectInspector constantOI = (ConstantObjectInspector) arguments[1];
            String fValue = constantOI.getWritableConstantValue().toString();
            DecimalFormat dFormat = new DecimalFormat(fValue);
            numberFormat.applyPattern(dFormat.toPattern());
            break;
        default:
            throw new UDFArgumentTypeException(1, "Argument 2" + " of function FORMAT_NUMBER must be \"" + serdeConstants.TINYINT_TYPE_NAME + "\"" + " or \"" + serdeConstants.SMALLINT_TYPE_NAME + "\"" + " or \"" + serdeConstants.INT_TYPE_NAME + "\"" + " or \"" + serdeConstants.BIGINT_TYPE_NAME + "\"" + " or \"" + serdeConstants.STRING_TYPE_NAME + "\", but \"" + arguments[1].getTypeName() + "\" was found.");
    }
    argumentOIs = arguments;
    return PrimitiveObjectInspectorFactory.writableStringObjectInspector;
}