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

Example 6 with HiveDecimalWritable

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

the class TestStreamingAvg method avgHiveDecimal.

public void avgHiveDecimal(Iterator<HiveDecimal> inVals, int inSz, int numPreceding, int numFollowing, Iterator<HiveDecimal> outVals) throws HiveException {
    GenericUDAFAverage fnR = new GenericUDAFAverage();
    TypeInfo[] inputTypes = { TypeInfoFactory.decimalTypeInfo };
    ObjectInspector[] inputOIs = { PrimitiveObjectInspectorFactory.writableHiveDecimalObjectInspector };
    HiveDecimalWritable[] in = new HiveDecimalWritable[1];
    in[0] = new HiveDecimalWritable();
    TestStreamingSum._agg(fnR, inputTypes, inVals, TypeHandler.HiveDecimalHandler, in, inputOIs, inSz, numPreceding, numFollowing, outVals);
}

Example 7 with HiveDecimalWritable

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

the class TestGenericUDFAbs method testHiveDecimal.

public void testHiveDecimal() throws HiveException {
    GenericUDFAbs udf = new GenericUDFAbs();
    int prec = 12;
    int scale = 9;
    ObjectInspector valueOI = PrimitiveObjectInspectorFactory.getPrimitiveWritableObjectInspector(TypeInfoFactory.getDecimalTypeInfo(prec, scale));
    ObjectInspector[] arguments = { valueOI };
    PrimitiveObjectInspector outputOI = (PrimitiveObjectInspector) udf.initialize(arguments);
    // Make sure result precision/scale matches the input prec/scale
    assertEquals("result precision for abs()", prec, outputOI.precision());
    assertEquals("result scale for abs()", scale, outputOI.scale());
    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());
    // null input
    args[0] = new DeferredJavaObject(null);
    output = (HiveDecimalWritable) udf.evaluate(args);
    assertEquals("abs(null)", null, output);
    // if value too large, should also be null
    args[0] = new DeferredJavaObject(new HiveDecimalWritable(HiveDecimal.create("-1000.123456")));
    output = (HiveDecimalWritable) udf.evaluate(args);
    assertEquals("abs() of too large decimal value", null, output);
}

Example 8 with HiveDecimalWritable

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

the class TestStreamingSum method sumHiveDecimal.

public void sumHiveDecimal(Iterator<HiveDecimal> inVals, int inSz, int numPreceding, int numFollowing, Iterator<HiveDecimal> outVals) throws HiveException {
    GenericUDAFSum fnR = new GenericUDAFSum();
    TypeInfo[] inputTypes = { TypeInfoFactory.decimalTypeInfo };
    ObjectInspector[] inputOIs = { PrimitiveObjectInspectorFactory.writableHiveDecimalObjectInspector };
    HiveDecimalWritable[] in = new HiveDecimalWritable[1];
    in[0] = new HiveDecimalWritable();
    _agg(fnR, inputTypes, inVals, TypeHandler.HiveDecimalHandler, in, inputOIs, inSz, numPreceding, numFollowing, outVals);
}

Example 9 with HiveDecimalWritable

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

the class TestGenericUDFOPPositive method testDecimal.

@Test
public void testDecimal() throws HiveException {
    GenericUDFOPPositive udf = new GenericUDFOPPositive();
    HiveDecimalWritable input = new HiveDecimalWritable(HiveDecimal.create("32300.004747"));
    DecimalTypeInfo inputTypeInfo = TypeInfoFactory.getDecimalTypeInfo(11, 6);
    ObjectInspector[] inputOIs = { PrimitiveObjectInspectorFactory.getPrimitiveWritableObjectInspector(inputTypeInfo) };
    DeferredObject[] args = { new DeferredJavaObject(input) };
    PrimitiveObjectInspector oi = (PrimitiveObjectInspector) udf.initialize(inputOIs);
    Assert.assertEquals(inputTypeInfo, oi.getTypeInfo());
    HiveDecimalWritable res = (HiveDecimalWritable) udf.evaluate(args);
    Assert.assertEquals(HiveDecimal.create("32300.004747"), res.getHiveDecimal());
}

Example 10 with HiveDecimalWritable

use of org.apache.hadoop.hive.serde2.io.HiveDecimalWritable 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);
}