Examples with ConstantObjectInspector org.apache.hadoop.hive.serde2.objectinspector.ConstantObjectInspector used on opensource projects

Example 26 with ConstantObjectInspector

use of org.apache.hadoop.hive.serde2.objectinspector.ConstantObjectInspector in project hive by apache.

the class GenericUDFTrunc method initializeDate.

private ObjectInspector initializeDate(ObjectInspector[] arguments) throws UDFArgumentLengthException, UDFArgumentTypeException {
    if (arguments.length != 2) {
        throw new UDFArgumentLengthException("trunc() requires 2 argument, got " + arguments.length);
    }
    if (arguments[0].getCategory() != ObjectInspector.Category.PRIMITIVE) {
        throw new UDFArgumentTypeException(0, "Only primitive type arguments are accepted but " + arguments[0].getTypeName() + " is passed. as first arguments");
    }
    if (arguments[1].getCategory() != ObjectInspector.Category.PRIMITIVE) {
        throw new UDFArgumentTypeException(1, "Only primitive type arguments are accepted but " + arguments[1].getTypeName() + " is passed. as second arguments");
    }
    ObjectInspector outputOI = PrimitiveObjectInspectorFactory.writableStringObjectInspector;
    inputType1 = ((PrimitiveObjectInspector) arguments[0]).getPrimitiveCategory();
    switch(inputType1) {
        case STRING:
        case VARCHAR:
        case CHAR:
        case VOID:
            inputType1 = PrimitiveCategory.STRING;
            textConverter1 = ObjectInspectorConverters.getConverter(arguments[0], PrimitiveObjectInspectorFactory.writableStringObjectInspector);
            break;
        case TIMESTAMP:
            timestampConverter = new TimestampConverter((PrimitiveObjectInspector) arguments[0], PrimitiveObjectInspectorFactory.writableTimestampObjectInspector);
            break;
        case DATE:
            dateWritableConverter = ObjectInspectorConverters.getConverter(arguments[0], PrimitiveObjectInspectorFactory.writableDateObjectInspector);
            break;
        default:
            throw new UDFArgumentTypeException(0, "TRUNC() only takes STRING/TIMESTAMP/DATEWRITABLE types as first argument, got " + inputType1);
    }
    inputType2 = ((PrimitiveObjectInspector) arguments[1]).getPrimitiveCategory();
    if (PrimitiveObjectInspectorUtils.getPrimitiveGrouping(inputType2) != PrimitiveGrouping.STRING_GROUP && PrimitiveObjectInspectorUtils.getPrimitiveGrouping(inputType2) != PrimitiveGrouping.VOID_GROUP) {
        throw new UDFArgumentTypeException(1, "trunc() only takes STRING/CHAR/VARCHAR types as second argument, got " + inputType2);
    }
    inputType2 = PrimitiveCategory.STRING;
    if (arguments[1] instanceof ConstantObjectInspector) {
        Object obj = ((ConstantObjectInspector) arguments[1]).getWritableConstantValue();
        fmtInput = obj != null ? obj.toString() : null;
    } else {
        textConverter2 = ObjectInspectorConverters.getConverter(arguments[1], PrimitiveObjectInspectorFactory.writableStringObjectInspector);
    }
    return outputOI;
}

Example 27 with ConstantObjectInspector

use of org.apache.hadoop.hive.serde2.objectinspector.ConstantObjectInspector in project hive by apache.

the class GenericUDFLikeAll method initialize.

@Override
public ObjectInspector initialize(ObjectInspector[] arguments) throws UDFArgumentException {
    if (arguments.length < 2) {
        throw new UDFArgumentLengthException("The like all operator requires at least one pattern for matching, got " + (arguments.length - 1));
    }
    inputTypes = new PrimitiveCategory[arguments.length];
    converters = new Converter[arguments.length];
    /**
     *expects string or null arguments
     */
    for (int idx = 0; idx < arguments.length; idx++) {
        checkArgPrimitive(arguments, idx);
        checkArgGroups(arguments, idx, inputTypes, PrimitiveGrouping.STRING_GROUP, PrimitiveGrouping.VOID_GROUP);
        PrimitiveCategory inputType = ((PrimitiveObjectInspector) arguments[idx]).getPrimitiveCategory();
        if (arguments[idx] instanceof ConstantObjectInspector && idx != 0) {
            Object constValue = ((ConstantObjectInspector) arguments[idx]).getWritableConstantValue();
            if (!isConstantNullPatternContain && constValue == null) {
                isConstantNullPatternContain = true;
            }
        } else if (idx != 0 && isAllPatternsConstant) {
            isAllPatternsConstant = false;
        }
        converters[idx] = ObjectInspectorConverters.getConverter(arguments[idx], getOutputOI(inputType));
        inputTypes[idx] = inputType;
    }
    return PrimitiveObjectInspectorFactory.writableBooleanObjectInspector;
}

Example 28 with ConstantObjectInspector

use of org.apache.hadoop.hive.serde2.objectinspector.ConstantObjectInspector in project hive by apache.

the class VectorizationContext method getStructInExpression.

private VectorExpression getStructInExpression(List<ExprNodeDesc> childExpr, ExprNodeDesc colExpr, TypeInfo colTypeInfo, List<ExprNodeDesc> inChildren, VectorExpressionDescriptor.Mode mode, TypeInfo returnType) throws HiveException {
    VectorExpression expr = null;
    StructTypeInfo structTypeInfo = (StructTypeInfo) colTypeInfo;
    ArrayList<TypeInfo> fieldTypeInfos = structTypeInfo.getAllStructFieldTypeInfos();
    final int fieldCount = fieldTypeInfos.size();
    ColumnVector.Type[] fieldVectorColumnTypes = new ColumnVector.Type[fieldCount];
    InConstantType[] fieldInConstantTypes = new InConstantType[fieldCount];
    for (int f = 0; f < fieldCount; f++) {
        TypeInfo fieldTypeInfo = fieldTypeInfos.get(f);
        // Only primitive fields supports for now.
        if (fieldTypeInfo.getCategory() != Category.PRIMITIVE) {
            return null;
        }
        // We are going to serialize using the 4 basic types.
        ColumnVector.Type fieldVectorColumnType = getColumnVectorTypeFromTypeInfo(fieldTypeInfo);
        fieldVectorColumnTypes[f] = fieldVectorColumnType;
        // We currently evaluate the IN (..) constants in special ways.
        PrimitiveCategory fieldPrimitiveCategory = ((PrimitiveTypeInfo) fieldTypeInfo).getPrimitiveCategory();
        InConstantType inConstantType = getInConstantTypeFromPrimitiveCategory(fieldPrimitiveCategory);
        fieldInConstantTypes[f] = inConstantType;
    }
    Output buffer = new Output();
    BinarySortableSerializeWrite binarySortableSerializeWrite = new BinarySortableSerializeWrite(fieldCount);
    final int inChildrenCount = inChildren.size();
    byte[][] serializedInChildren = new byte[inChildrenCount][];
    try {
        for (int i = 0; i < inChildrenCount; i++) {
            final ExprNodeDesc node = inChildren.get(i);
            final Object[] constants;
            if (node instanceof ExprNodeConstantDesc) {
                ExprNodeConstantDesc constNode = (ExprNodeConstantDesc) node;
                ConstantObjectInspector output = constNode.getWritableObjectInspector();
                constants = ((List<?>) output.getWritableConstantValue()).toArray();
            } else {
                ExprNodeGenericFuncDesc exprNode = (ExprNodeGenericFuncDesc) node;
                ExprNodeEvaluator<?> evaluator = ExprNodeEvaluatorFactory.get(exprNode);
                ObjectInspector output = evaluator.initialize(exprNode.getWritableObjectInspector());
                constants = (Object[]) evaluator.evaluate(null);
            }
            binarySortableSerializeWrite.set(buffer);
            for (int f = 0; f < fieldCount; f++) {
                Object constant = constants[f];
                if (constant == null) {
                    binarySortableSerializeWrite.writeNull();
                } else {
                    InConstantType inConstantType = fieldInConstantTypes[f];
                    switch(inConstantType) {
                        case STRING_FAMILY:
                            {
                                byte[] bytes;
                                if (constant instanceof Text) {
                                    Text text = (Text) constant;
                                    bytes = text.getBytes();
                                    binarySortableSerializeWrite.writeString(bytes, 0, text.getLength());
                                } else {
                                    throw new HiveException("Unexpected constant String type " + constant.getClass().getSimpleName());
                                }
                            }
                            break;
                        case INT_FAMILY:
                            {
                                long value;
                                if (constant instanceof IntWritable) {
                                    value = ((IntWritable) constant).get();
                                } else if (constant instanceof LongWritable) {
                                    value = ((LongWritable) constant).get();
                                } else {
                                    throw new HiveException("Unexpected constant Long type " + constant.getClass().getSimpleName());
                                }
                                binarySortableSerializeWrite.writeLong(value);
                            }
                            break;
                        case FLOAT_FAMILY:
                            {
                                double value;
                                if (constant instanceof DoubleWritable) {
                                    value = ((DoubleWritable) constant).get();
                                } else {
                                    throw new HiveException("Unexpected constant Double type " + constant.getClass().getSimpleName());
                                }
                                binarySortableSerializeWrite.writeDouble(value);
                            }
                            break;
                        // UNDONE...
                        case DATE:
                        case TIMESTAMP:
                        case DECIMAL:
                        default:
                            throw new RuntimeException("Unexpected IN constant type " + inConstantType.name());
                    }
                }
            }
            serializedInChildren[i] = Arrays.copyOfRange(buffer.getData(), 0, buffer.getLength());
        }
    } catch (Exception e) {
        throw new HiveException(e);
    }
    // Create a single child representing the scratch column where we will
    // generate the serialized keys of the batch.
    int scratchBytesCol = ocm.allocateOutputColumn(TypeInfoFactory.stringTypeInfo);
    Class<?> cl = (mode == VectorExpressionDescriptor.Mode.FILTER ? FilterStructColumnInList.class : StructColumnInList.class);
    expr = createVectorExpression(cl, null, VectorExpressionDescriptor.Mode.PROJECTION, returnType);
    ((IStringInExpr) expr).setInListValues(serializedInChildren);
    ((IStructInExpr) expr).setScratchBytesColumn(scratchBytesCol);
    ((IStructInExpr) expr).setStructColumnExprs(this, colExpr.getChildren(), fieldVectorColumnTypes);
    return expr;
}

Example 29 with ConstantObjectInspector

use of org.apache.hadoop.hive.serde2.objectinspector.ConstantObjectInspector in project hive by apache.

the class GenericUDFTrunc method initializeNumber.

private ObjectInspector initializeNumber(ObjectInspector[] arguments) throws UDFArgumentException {
    if (arguments.length < 1 || arguments.length > 2) {
        throw new UDFArgumentLengthException("TRUNC requires one or two argument, got " + arguments.length);
    }
    if (arguments[0].getCategory() != Category.PRIMITIVE) {
        throw new UDFArgumentTypeException(0, "TRUNC input only takes primitive types, got " + arguments[0].getTypeName());
    }
    inputOI = (PrimitiveObjectInspector) arguments[0];
    if (arguments.length == 2) {
        if (arguments[1].getCategory() != Category.PRIMITIVE) {
            throw new UDFArgumentTypeException(1, "TRUNC second argument only takes primitive types, got " + arguments[1].getTypeName());
        }
        inputScaleOI = (PrimitiveObjectInspector) arguments[1];
        inputSacleConst = arguments[1] instanceof ConstantObjectInspector;
        if (inputSacleConst) {
            try {
                Object obj = ((ConstantObjectInspector) arguments[1]).getWritableConstantValue();
                fmtInput = obj != null ? obj.toString() : null;
                scale = Integer.parseInt(fmtInput);
            } catch (Exception e) {
                throw new UDFArgumentException("TRUNC input only takes integer values, got " + fmtInput);
            }
        } else {
            switch(inputScaleOI.getPrimitiveCategory()) {
                case BYTE:
                    byteConverter = ObjectInspectorConverters.getConverter(arguments[1], PrimitiveObjectInspectorFactory.writableByteObjectInspector);
                    break;
                case SHORT:
                    shortConverter = ObjectInspectorConverters.getConverter(arguments[1], PrimitiveObjectInspectorFactory.writableShortObjectInspector);
                    break;
                case INT:
                    intConverter = ObjectInspectorConverters.getConverter(arguments[1], PrimitiveObjectInspectorFactory.writableIntObjectInspector);
                    break;
                case LONG:
                    longConverter = ObjectInspectorConverters.getConverter(arguments[1], PrimitiveObjectInspectorFactory.writableLongObjectInspector);
                    break;
                default:
                    throw new UDFArgumentTypeException(1, getFuncName().toUpperCase() + " second argument only takes integer values");
            }
        }
    }
    inputType1 = inputOI.getPrimitiveCategory();
    ObjectInspector outputOI = null;
    switch(inputType1) {
        case DECIMAL:
            outputOI = PrimitiveObjectInspectorFactory.getPrimitiveWritableObjectInspector(inputType1);
            break;
        case VOID:
        case BYTE:
        case SHORT:
        case INT:
        case LONG:
        case FLOAT:
        case DOUBLE:
            outputOI = PrimitiveObjectInspectorFactory.getPrimitiveWritableObjectInspector(inputType1);
            break;
        default:
            throw new UDFArgumentTypeException(0, "Only numeric or string group data types are allowed for TRUNC function. Got " + inputType1.name());
    }
    return outputOI;
}

Example 30 with ConstantObjectInspector

use of org.apache.hadoop.hive.serde2.objectinspector.ConstantObjectInspector in project hive by apache.

the class GenericUDFStruct method initialize.

@Override
public ObjectInspector initialize(ObjectInspector[] arguments) throws UDFArgumentException {
    int numFields = arguments.length;
    ret = new Object[numFields];
    ArrayList<String> fname = new ArrayList<String>(numFields);
    for (int f = 1; f <= numFields; f++) {
        fname.add("col" + f);
    }
    boolean constantStruct = true;
    for (int i = 0; i < arguments.length; i++) {
        ObjectInspector oi = arguments[i];
        constantStruct &= (oi.getCategory() == Category.PRIMITIVE) && (oi instanceof ConstantObjectInspector);
        if (constantStruct) {
            // nested complex types trigger Kryo issue #216 in plan deserialization
            ret[i] = ((ConstantObjectInspector) oi).getWritableConstantValue();
        }
    }
    if (constantStruct) {
        return ObjectInspectorFactory.getStandardConstantStructObjectInspector(fname, Arrays.asList(arguments), Arrays.asList(ret));
    } else {
        return ObjectInspectorFactory.getStandardStructObjectInspector(fname, Arrays.asList(arguments));
    }
}