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

Examples of org.apache.hadoop.hive.ql.udf.generic.GenericUDF.DeferredJavaObject

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    ObjectInspector valueOI2 = PrimitiveObjectInspectorFactory.javaIntObjectInspector;
    ObjectInspector[] arguments = {valueOI1, valueOI2};


    udf.initialize(arguments);
    DeferredObject valueObj1 = new DeferredJavaObject(new DateWritable(new Date(109, 06, 20)));
    DeferredObject valueObj2 = new DeferredJavaObject(new Integer("4"));
    DeferredObject[] args = {valueObj1, valueObj2};
    Text output = (Text) udf.evaluate(args);

    assertEquals("date_add() test for DATEWRITABLE failed ", "2009-07-24", output.toString());

    // Test with null args
    args = new DeferredObject[] { new DeferredJavaObject(null), valueObj2 };
    assertNull("date_add() 1st arg null", udf.evaluate(args));

    args = new DeferredObject[] { valueObj1, new DeferredJavaObject(null) };
    assertNull("date_add() 2nd arg null", udf.evaluate(args));

    args = new DeferredObject[] { new DeferredJavaObject(null), new DeferredJavaObject(null) };
    assertNull("date_add() both args null", udf.evaluate(args));
  }
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    GenericUDFAbs udf = new GenericUDFAbs();
    ObjectInspector valueOI = PrimitiveObjectInspectorFactory.writableFloatObjectInspector;
    ObjectInspector[] arguments = {valueOI};

    udf.initialize(arguments);
    DeferredObject valueObj = new DeferredJavaObject(new FloatWritable(107.78f));
    DeferredObject[] args = {valueObj};
    DoubleWritable output = (DoubleWritable) udf.evaluate(args);

    // Make sure flow and double equality compare works
    assertTrue("abs() test for Float failed ", Math.abs(107.78 - output.get()) < 0.0001);

    valueObj = new DeferredJavaObject(new FloatWritable(-107.78f));
    args[0] = valueObj;
    output = (DoubleWritable) udf.evaluate(args);

    assertTrue("abs() test for Float failed ", Math.abs(107.78 - output.get()) < 0.0001);
  }
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    GenericUDFAbs udf = new GenericUDFAbs();
    ObjectInspector valueOI = PrimitiveObjectInspectorFactory.writableStringObjectInspector;
    ObjectInspector[] arguments = {valueOI};

    udf.initialize(arguments);
    DeferredObject valueObj = new DeferredJavaObject(new Text("123.45"));
    DeferredObject[] args = {valueObj};
    DoubleWritable output = (DoubleWritable) udf.evaluate(args);

    assertEquals("abs() test for String failed ", "123.45", output.toString());

    valueObj = new DeferredJavaObject(new Text("-123.45"));
    args[0] = valueObj;
    output = (DoubleWritable) udf.evaluate(args);

    assertEquals("abs() test for String failed ", "123.45", output.toString());
  }
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    GenericUDFAbs udf = new GenericUDFAbs();
    ObjectInspector valueOI = PrimitiveObjectInspectorFactory.writableHiveDecimalObjectInspector;
    ObjectInspector[] arguments = {valueOI};

    udf.initialize(arguments);
    DeferredObject valueObj = new DeferredJavaObject(new HiveDecimalWritable(HiveDecimal.create(
        "107.123456789")));
    DeferredObject[] args = {valueObj};
    HiveDecimalWritable output = (HiveDecimalWritable) udf.evaluate(args);

    assertEquals("abs() test for HiveDecimal failed ", 107.123456789, output.getHiveDecimal()
        .doubleValue());

    valueObj = new DeferredJavaObject(new HiveDecimalWritable(HiveDecimal.create("-107.123456789")));
    args[0] = valueObj;
    output = (HiveDecimalWritable) udf.evaluate(args);

    assertEquals("abs() test for HiveDecimal failed ", 107.123456789, output.getHiveDecimal()
        .doubleValue());
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    runAndVerify("hi", 1, "??", "h", udf);
  }

  private void runAndVerify(String str, int len, String pad, String expResult, GenericUDF udf)
      throws HiveException {
    DeferredObject valueObj1 = new DeferredJavaObject(new Text(str));
    DeferredObject valueObj2 = new DeferredJavaObject(new IntWritable(len));
    DeferredObject valueObj3 = new DeferredJavaObject(new Text(pad));
    DeferredObject[] args = { valueObj1, valueObj2, valueObj3 };
    Text output = (Text) udf.evaluate(args);
    assertEquals("lpad() test ", expResult, output.toString());
  }
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    ByteWritable input = new ByteWritable((byte) 4);
    ObjectInspector[] inputOIs = {
        PrimitiveObjectInspectorFactory.writableByteObjectInspector,
    };
    DeferredObject[] args = {
        new DeferredJavaObject(input)
    };

    PrimitiveObjectInspector oi = (PrimitiveObjectInspector) udf.initialize(inputOIs);
    Assert.assertEquals(TypeInfoFactory.longTypeInfo, oi.getTypeInfo());
    LongWritable res = (LongWritable) udf.evaluate(args);
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    ShortWritable input = new ShortWritable((short) -74);
    ObjectInspector[] inputOIs = {
        PrimitiveObjectInspectorFactory.writableShortObjectInspector,
    };
    DeferredObject[] args = {
        new DeferredJavaObject(input)
    };

    PrimitiveObjectInspector oi = (PrimitiveObjectInspector) udf.initialize(inputOIs);
    Assert.assertEquals(TypeInfoFactory.longTypeInfo, oi.getTypeInfo());
    LongWritable res = (LongWritable) udf.evaluate(args);
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    IntWritable input = new IntWritable(747);
    ObjectInspector[] inputOIs = {
        PrimitiveObjectInspectorFactory.writableIntObjectInspector,
    };
    DeferredObject[] args = {
        new DeferredJavaObject(input)
    };

    PrimitiveObjectInspector oi = (PrimitiveObjectInspector) udf.initialize(inputOIs);
    Assert.assertEquals(TypeInfoFactory.longTypeInfo, oi.getTypeInfo());
    LongWritable res = (LongWritable) udf.evaluate(args);
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    LongWritable input = new LongWritable(3234747);
    ObjectInspector[] inputOIs = {
        PrimitiveObjectInspectorFactory.writableLongObjectInspector,
    };
    DeferredObject[] args = {
        new DeferredJavaObject(input)
    };

    PrimitiveObjectInspector oi = (PrimitiveObjectInspector) udf.initialize(inputOIs);
    Assert.assertEquals(TypeInfoFactory.longTypeInfo, oi.getTypeInfo());
    LongWritable res = (LongWritable) udf.evaluate(args);
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    FloatWritable input = new FloatWritable(323.4747f);
    ObjectInspector[] inputOIs = {
        PrimitiveObjectInspectorFactory.writableFloatObjectInspector,
    };
    DeferredObject[] args = {
        new DeferredJavaObject(input)
    };

    PrimitiveObjectInspector oi = (PrimitiveObjectInspector) udf.initialize(inputOIs);
    Assert.assertEquals(TypeInfoFactory.longTypeInfo, oi.getTypeInfo());
    LongWritable res = (LongWritable) udf.evaluate(args);
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