Examples with DoubleWritable org.apache.hadoop.hive.serde2.io.DoubleWritable used on opensource projects

Example 26 with DoubleWritable

use of org.apache.hadoop.hive.serde2.io.DoubleWritable in project hive by apache.

the class TestGenericUDFPower method testDoublePowerLong.

@Test
public void testDoublePowerLong() throws HiveException {
    GenericUDFPower udf = new GenericUDFPower();
    DoubleWritable left = new DoubleWritable(4.5);
    LongWritable right = new LongWritable(4);
    ObjectInspector[] inputOIs = { PrimitiveObjectInspectorFactory.writableDoubleObjectInspector, PrimitiveObjectInspectorFactory.writableLongObjectInspector };
    DeferredObject[] args = { new DeferredJavaObject(left), new DeferredJavaObject(right) };
    PrimitiveObjectInspector oi = (PrimitiveObjectInspector) udf.initialize(inputOIs);
    Assert.assertEquals(TypeInfoFactory.doubleTypeInfo, oi.getTypeInfo());
    DoubleWritable res = (DoubleWritable) udf.evaluate(args);
    Assert.assertEquals(new Double(4.5 * 4.5 * 4.5 * 4.5), new Double(res.get()));
}

Example 27 with DoubleWritable

use of org.apache.hadoop.hive.serde2.io.DoubleWritable in project hive by apache.

the class TestGenericUDFPower method testFloatPowerFloat.

@Test
public void testFloatPowerFloat() throws HiveException {
    GenericUDFPower udf = new GenericUDFPower();
    FloatWritable f1 = new FloatWritable(4.5f);
    FloatWritable f2 = new FloatWritable(-1.5f);
    ObjectInspector[] inputOIs = { PrimitiveObjectInspectorFactory.writableFloatObjectInspector, PrimitiveObjectInspectorFactory.writableFloatObjectInspector };
    DeferredObject[] args = { new DeferredJavaObject(f1), new DeferredJavaObject(f2) };
    PrimitiveObjectInspector oi = (PrimitiveObjectInspector) udf.initialize(inputOIs);
    Assert.assertEquals(oi.getTypeInfo(), TypeInfoFactory.doubleTypeInfo);
    DoubleWritable res = (DoubleWritable) udf.evaluate(args);
    Assert.assertEquals(new Double(0.10475656017578482), new Double(res.get()));
}

Example 28 with DoubleWritable

use of org.apache.hadoop.hive.serde2.io.DoubleWritable in project hive by apache.

the class TestGenericUDFPower method testDoulePowerDecimal.

@Test
public void testDoulePowerDecimal() throws HiveException {
    GenericUDFPower udf = new GenericUDFPower();
    DoubleWritable left = new DoubleWritable(-4.52);
    HiveDecimalWritable right = new HiveDecimalWritable(HiveDecimal.create("3"));
    ObjectInspector[] inputOIs = { PrimitiveObjectInspectorFactory.writableDoubleObjectInspector, PrimitiveObjectInspectorFactory.getPrimitiveWritableObjectInspector(TypeInfoFactory.getDecimalTypeInfo(5, 2)) };
    DeferredObject[] args = { new DeferredJavaObject(left), new DeferredJavaObject(right) };
    PrimitiveObjectInspector oi = (PrimitiveObjectInspector) udf.initialize(inputOIs);
    Assert.assertEquals(TypeInfoFactory.doubleTypeInfo, oi.getTypeInfo());
    DoubleWritable res = (DoubleWritable) udf.evaluate(args);
    Assert.assertEquals("Unexpected result", new Double(-4.52 * 4.52 * 4.52), new Double(res.get()), 1e-6);
}

Example 29 with DoubleWritable

use of org.apache.hadoop.hive.serde2.io.DoubleWritable in project hive by apache.

the class TestGenericUDFPower method testShortPowerFloat.

@Test
public void testShortPowerFloat() throws HiveException {
    GenericUDFPower udf = new GenericUDFPower();
    ShortWritable base = new ShortWritable((short) 23);
    FloatWritable power = new FloatWritable(-1.5f);
    ObjectInspector[] inputOIs = { PrimitiveObjectInspectorFactory.writableShortObjectInspector, PrimitiveObjectInspectorFactory.writableFloatObjectInspector };
    DeferredObject[] args = { new DeferredJavaObject(base), new DeferredJavaObject(power) };
    PrimitiveObjectInspector oi = (PrimitiveObjectInspector) udf.initialize(inputOIs);
    Assert.assertEquals(oi.getTypeInfo(), TypeInfoFactory.doubleTypeInfo);
    DoubleWritable res = (DoubleWritable) udf.evaluate(args);
    Assert.assertEquals(new Double(0.009065844089438033), new Double(res.get()));
}

Example 30 with DoubleWritable

use of org.apache.hadoop.hive.serde2.io.DoubleWritable in project hive by apache.

the class TestGenericUDFPower method testDecimalPowerDecimal.

@Test
public void testDecimalPowerDecimal() throws HiveException {
    GenericUDFPower udf = new GenericUDFPower();
    HiveDecimalWritable left = new HiveDecimalWritable(HiveDecimal.create("14.5"));
    HiveDecimalWritable right = new HiveDecimalWritable(HiveDecimal.create("-3.2"));
    ObjectInspector[] inputOIs = { PrimitiveObjectInspectorFactory.getPrimitiveWritableObjectInspector(TypeInfoFactory.getDecimalTypeInfo(3, 1)), PrimitiveObjectInspectorFactory.getPrimitiveWritableObjectInspector(TypeInfoFactory.getDecimalTypeInfo(5, 2)) };
    DeferredObject[] args = { new DeferredJavaObject(left), new DeferredJavaObject(right) };
    PrimitiveObjectInspector oi = (PrimitiveObjectInspector) udf.initialize(inputOIs);
    Assert.assertEquals(TypeInfoFactory.doubleTypeInfo, oi.getTypeInfo());
    DoubleWritable res = (DoubleWritable) udf.evaluate(args);
    Assert.assertEquals(new Double(1.9214203800477838E-4), new Double(res.get()));
}