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[] inputOIs = {
        PrimitiveObjectInspectorFactory.writableByteObjectInspector,
        PrimitiveObjectInspectorFactory.writableShortObjectInspector
    };
    DeferredObject[] args = {
        new DeferredJavaObject(left),
        new DeferredJavaObject(right),
    };

    PrimitiveObjectInspector oi = (PrimitiveObjectInspector) udf.initialize(inputOIs);
    Assert.assertEquals(oi.getTypeInfo(), TypeInfoFactory.shortTypeInfo);
    ShortWritable res = (ShortWritable) udf.evaluate(args);
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    ObjectInspector[] inputOIs = {
        PrimitiveObjectInspectorFactory.writableHiveVarcharObjectInspector,
        PrimitiveObjectInspectorFactory.writableIntObjectInspector
    };
    DeferredObject[] args = {
        new DeferredJavaObject(left),
        new DeferredJavaObject(right),
    };

    PrimitiveObjectInspector oi = (PrimitiveObjectInspector) udf.initialize(inputOIs);
    Assert.assertEquals(oi.getTypeInfo(), TypeInfoFactory.doubleTypeInfo);
    DoubleWritable res = (DoubleWritable) udf.evaluate(args);
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    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);
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    ObjectInspector[] inputOIs = {
        PrimitiveObjectInspectorFactory.writableLongObjectInspector,
        PrimitiveObjectInspectorFactory.getPrimitiveWritableObjectInspector(TypeInfoFactory.getDecimalTypeInfo(9, 4))
    };
    DeferredObject[] args = {
        new DeferredJavaObject(left),
        new DeferredJavaObject(right),
    };

    PrimitiveObjectInspector oi = (PrimitiveObjectInspector) udf.initialize(inputOIs);
    Assert.assertEquals(TypeInfoFactory.getDecimalTypeInfo(24,4), oi.getTypeInfo());
    HiveDecimalWritable res = (HiveDecimalWritable) udf.evaluate(args);
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    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.floatTypeInfo);
    FloatWritable res = (FloatWritable) udf.evaluate(args);
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    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);
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    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.getDecimalTypeInfo(6,2), oi.getTypeInfo());
    HiveDecimalWritable res = (HiveDecimalWritable) udf.evaluate(args);
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    runAndVerify("Hello World!", "Hello World!", udf);
    runAndVerify("   ", "", udf);
  }

  private void runAndVerify(String str, String expResult, GenericUDF udf) throws HiveException {
    DeferredObject valueObj = new DeferredJavaObject(new Text(str));
    DeferredObject[] args = { valueObj };
    Text output = (Text) udf.evaluate(args);
    assertEquals("ltrim() test ", expResult, output.toString());
  }
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    ObjectInspector[] inputOIs = {
        PrimitiveObjectInspectorFactory.writableByteObjectInspector,
        PrimitiveObjectInspectorFactory.writableShortObjectInspector
    };
    DeferredObject[] args = {
        new DeferredJavaObject(left),
        new DeferredJavaObject(right),
    };

    PrimitiveObjectInspector oi = (PrimitiveObjectInspector) udf.initialize(inputOIs);
    Assert.assertEquals(oi.getTypeInfo(), TypeInfoFactory.getDecimalTypeInfo(9, 6));
    HiveDecimalWritable res = (HiveDecimalWritable) udf.evaluate(args);
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    ObjectInspector[] inputOIs = {
        PrimitiveObjectInspectorFactory.writableHiveVarcharObjectInspector,
        PrimitiveObjectInspectorFactory.writableIntObjectInspector
    };
    DeferredObject[] args = {
        new DeferredJavaObject(left),
        new DeferredJavaObject(right),
    };

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