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

Example 46 with DoubleWritable

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

the class TestUDFMath method testAcos.

@Test
public void testAcos() throws HiveException {
    UDFAcos udf = new UDFAcos();
    input = createDecimal("0.716");
    DoubleWritable res = udf.evaluate(input);
    Assert.assertEquals(0.7727408115633954, res.get(), 0.000001);
}

Example 47 with DoubleWritable

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

the class TestUDFMath method testLog.

@Test
public void testLog() throws HiveException {
    UDFLog udf = new UDFLog();
    input = createDecimal("7.38905609893065");
    DoubleWritable res = udf.evaluate(input);
    Assert.assertEquals(2.0, res.get(), 0.000001);
    res = udf.evaluate(createDecimal("3.0"), createDecimal("9.0"));
    Assert.assertEquals(2.0, res.get(), 0.000001);
}

Example 48 with DoubleWritable

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

the class WritableHiveCharObjectInspector method getPrimitiveWritableObject.

@Override
public HiveCharWritable getPrimitiveWritableObject(Object o) {
    // then output new writable with correct params.
    if (o == null) {
        return null;
    }
    if ((o instanceof Text) || (o instanceof TimestampWritableV2) || (o instanceof HiveDecimalWritable) || (o instanceof DoubleWritable) || (o instanceof FloatWritable) || (o instanceof LongWritable) || (o instanceof IntWritable) || (o instanceof BooleanWritable)) {
        String str = o.toString();
        HiveCharWritable hcw = new HiveCharWritable();
        hcw.set(str, ((CharTypeInfo) typeInfo).getLength());
        return hcw;
    }
    HiveCharWritable writable = ((HiveCharWritable) o);
    if (doesWritableMatchTypeParams((HiveCharWritable) o)) {
        return writable;
    }
    return getWritableWithParams(writable);
}

Example 49 with DoubleWritable

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

the class TestGenericUDAFPercentileDisc method checkPercentile.

private void checkPercentile(Long[] items, double percentile, double expected) throws Exception {
    PercentileContLongEvaluator eval = new GenericUDAFPercentileDisc.PercentileDiscLongEvaluator();
    PercentileAgg agg = new PercentileContLongEvaluator().new PercentileAgg();
    agg.percentiles = new ArrayList<DoubleWritable>();
    agg.percentiles.add(new DoubleWritable(percentile));
    agg.isAscending = true;
    for (int i = 0; i < items.length; i++) {
        eval.increment(agg, new LongWritable(items[i]), 1);
    }
    DoubleWritable result = (DoubleWritable) eval.terminate(agg);
    Assert.assertEquals(expected, result.get(), 0.01);
    eval.close();
}

Example 50 with DoubleWritable

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

the class TestGenericUDFNullif method testConversionInSameGroup.

@Test
public void testConversionInSameGroup() throws HiveException {
    GenericUDFNullif udf = new GenericUDFNullif();
    ObjectInspector[] inputOIs = { PrimitiveObjectInspectorFactory.writableDoubleObjectInspector, PrimitiveObjectInspectorFactory.writableByteObjectInspector };
    DeferredObject[] args = { new DeferredJavaObject(new DoubleWritable(4.0)), new DeferredJavaObject(new ByteWritable((byte) 4)) };
    PrimitiveObjectInspector oi = (PrimitiveObjectInspector) udf.initialize(inputOIs);
}