Package org.apache.hadoop.hive.ql.udf.generic

Examples of org.apache.hadoop.hive.ql.udf.generic.GenericUDFDate.initialize()

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  public void testStringToDate() throws HiveException {
    GenericUDFDate udf = new GenericUDFDate();
    ObjectInspector valueOI = PrimitiveObjectInspectorFactory.javaStringObjectInspector;
    ObjectInspector[] arguments = {valueOI};

    udf.initialize(arguments);
    DeferredObject valueObj = new DeferredJavaObject(new Text("2009-07-30"));
    DeferredObject[] args = {valueObj};
    Text output = (Text) udf.evaluate(args);

    assertEquals("to_date() test for STRING failed ", "2009-07-30", output.toString());
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  public void testTimestampToDate() throws HiveException {
    GenericUDFDate udf = new GenericUDFDate();
    ObjectInspector valueOI = PrimitiveObjectInspectorFactory.writableTimestampObjectInspector;
    ObjectInspector[] arguments = {valueOI};

    udf.initialize(arguments);
    DeferredObject valueObj = new DeferredJavaObject(new TimestampWritable(new Timestamp(109, 06,
        30, 4, 17, 52, 0)));
    DeferredObject[] args = {valueObj};
    Text output = (Text) udf.evaluate(args);
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  public void testDateWritablepToDate() throws HiveException {
    GenericUDFDate udf = new GenericUDFDate();
    ObjectInspector valueOI = PrimitiveObjectInspectorFactory.writableDateObjectInspector;
    ObjectInspector[] arguments = {valueOI};

    udf.initialize(arguments);
    DeferredObject valueObj = new DeferredJavaObject(new DateWritable(new Date(109, 06, 30)));
    DeferredObject[] args = {valueObj};
    Text output = (Text) udf.evaluate(args);

    assertEquals("to_date() test for DATEWRITABLE failed ", "2009-07-30", output.toString());
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