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

Example 11 with ObjectInspectorFactory.getStandardStructObjectInspector

use of org.apache.hadoop.hive.serde2.objectinspector.ObjectInspectorFactory.getStandardStructObjectInspector 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 12 with ObjectInspectorFactory.getStandardStructObjectInspector

use of org.apache.hadoop.hive.serde2.objectinspector.ObjectInspectorFactory.getStandardStructObjectInspector 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 13 with ObjectInspectorFactory.getStandardStructObjectInspector

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

the class GenericUDTFStack method initialize.

@Override
public StructObjectInspector initialize(ObjectInspector[] args) throws UDFArgumentException {
    if (args.length < 2) {
        throw new UDFArgumentException("STACK() expects at least two arguments.");
    }
    if (!(args[0] instanceof ConstantObjectInspector)) {
        throw new UDFArgumentException("The first argument to STACK() must be a constant integer (got " + args[0].getTypeName() + " instead).");
    }
    numRows = (IntWritable) ((ConstantObjectInspector) args[0]).getWritableConstantValue();
    if (numRows == null || numRows.get() < 1) {
        throw new UDFArgumentException("STACK() expects its first argument to be >= 1.");
    }
    // Divide and round up.
    numCols = (args.length - 1 + numRows.get() - 1) / numRows.get();
    for (int jj = 0; jj < numCols; ++jj) {
        returnOIResolvers.add(new ReturnObjectInspectorResolver());
        for (int ii = 0; ii < numRows.get(); ++ii) {
            int index = ii * numCols + jj + 1;
            if (index < args.length && !returnOIResolvers.get(jj).update(args[index])) {
                throw new UDFArgumentException("Argument " + (jj + 1) + "'s type (" + args[jj + 1].getTypeName() + ") should be equal to argument " + index + "'s type (" + args[index].getTypeName() + ")");
            }
        }
    }
    forwardObj = new Object[numCols];
    for (int ii = 0; ii < args.length; ++ii) {
        argOIs.add(args[ii]);
    }
    ArrayList<String> fieldNames = new ArrayList<String>();
    ArrayList<ObjectInspector> fieldOIs = new ArrayList<ObjectInspector>();
    for (int ii = 0; ii < numCols; ++ii) {
        fieldNames.add("col" + ii);
        fieldOIs.add(returnOIResolvers.get(ii).get());
    }
    return ObjectInspectorFactory.getStandardStructObjectInspector(fieldNames, fieldOIs);
}

Example 14 with ObjectInspectorFactory.getStandardStructObjectInspector

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

the class MatchPath method createSelectListOI.

protected static StructObjectInspector createSelectListOI(MatchPath evaluator, PTFInputDef inpDef) {
    StructObjectInspector inOI = inpDef.getOutputShape().getOI();
    ArrayList<String> inputColumnNames = new ArrayList<String>();
    ArrayList<String> selectListNames = new ArrayList<String>();
    ArrayList<ObjectInspector> fieldOIs = new ArrayList<ObjectInspector>();
    for (StructField f : inOI.getAllStructFieldRefs()) {
        String inputColName = evaluator.inputColumnNamesMap.get(f.getFieldName());
        if (inputColName != null) {
            inputColumnNames.add(inputColName);
            selectListNames.add(f.getFieldName());
            fieldOIs.add(f.getFieldObjectInspector());
        }
    }
    StandardListObjectInspector pathAttrOI = ObjectInspectorFactory.getStandardListObjectInspector(ObjectInspectorFactory.getStandardStructObjectInspector(inputColumnNames, fieldOIs));
    ArrayList<ObjectInspector> selectFieldOIs = new ArrayList<ObjectInspector>();
    selectFieldOIs.addAll(fieldOIs);
    selectFieldOIs.add(pathAttrOI);
    selectListNames.add(MatchPath.PATHATTR_NAME);
    return ObjectInspectorFactory.getStandardStructObjectInspector(selectListNames, selectFieldOIs);
}

Example 15 with ObjectInspectorFactory.getStandardStructObjectInspector

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

the class TestGenericUDFSortArray method testSortStruct.

@Test
public void testSortStruct() throws HiveException {
    ObjectInspector[] inputOIs = { ObjectInspectorFactory.getStandardListObjectInspector(ObjectInspectorFactory.getStandardStructObjectInspector(asList("f1", "f2", "f3", "f4"), asList(PrimitiveObjectInspectorFactory.writableStringObjectInspector, PrimitiveObjectInspectorFactory.writableDoubleObjectInspector, PrimitiveObjectInspectorFactory.writableDateObjectInspector, ObjectInspectorFactory.getStandardListObjectInspector(PrimitiveObjectInspectorFactory.writableIntObjectInspector)))) };
    udf.initialize(inputOIs);
    Object i1 = asList(new Text("a"), new DoubleWritable(3.1415), new DateWritable(new Date(2015, 5, 26)), asList(new IntWritable(1), new IntWritable(3), new IntWritable(2), new IntWritable(4)));
    Object i2 = asList(new Text("b"), new DoubleWritable(3.14), new DateWritable(new Date(2015, 5, 26)), asList(new IntWritable(1), new IntWritable(3), new IntWritable(2), new IntWritable(4)));
    Object i3 = asList(new Text("a"), new DoubleWritable(3.1415), new DateWritable(new Date(2015, 5, 25)), asList(new IntWritable(1), new IntWritable(3), new IntWritable(2), new IntWritable(5)));
    Object i4 = asList(new Text("a"), new DoubleWritable(3.1415), new DateWritable(new Date(2015, 5, 25)), asList(new IntWritable(1), new IntWritable(3), new IntWritable(2), new IntWritable(4)));
    runAndVerify(asList(i1, i2, i3, i4), asList(i4, i3, i1, i2));
}