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

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

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    ObjectInspector valueOI = PrimitiveObjectInspectorFactory.javaByteArrayObjectInspector;
    ObjectInspector charsetOI = PrimitiveObjectInspectorFactory.javaStringObjectInspector;
    ObjectInspector[] initArguments = {valueOI, charsetOI};
    udf.initialize(initArguments);

    DeferredObject valueObj = new DeferredJavaObject(bytes);
    DeferredObject charsetObj = new DeferredJavaObject(charsetName);
    DeferredObject[] arguments = {valueObj, charsetObj};
    String output = (String) udf.evaluate(arguments);

    assertEquals("Decoding failed for CharSet: " + charsetName, string, output);
  }
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    ObjectInspector valueOI = PrimitiveObjectInspectorFactory.javaStringObjectInspector;
    ObjectInspector charsetOI = PrimitiveObjectInspectorFactory.javaStringObjectInspector;
    ObjectInspector[] initArguments = {valueOI, charsetOI};
    udf.initialize(initArguments);

    DeferredObject valueObj = new DeferredJavaObject(string);
    DeferredObject charsetObj = new DeferredJavaObject(charsetName);
    DeferredObject[] arguments = {valueObj, charsetObj};
    BytesWritable outputWritable = (BytesWritable) udf.evaluate(arguments);

    byte[] output = outputWritable.getBytes();
    assertTrue("Encoding failed for CharSet: " + charsetName, expected.length == outputWritable.getLength());
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    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("trim() test ", expResult, output.toString());
  }
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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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    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 valueOI1 = PrimitiveObjectInspectorFactory.javaStringObjectInspector;
    ObjectInspector valueOI2 = PrimitiveObjectInspectorFactory.javaStringObjectInspector;
    ObjectInspector[] arguments = {valueOI1, valueOI2};

    udf.initialize(arguments);
    DeferredObject valueObj1 = new DeferredJavaObject(new Text("2009-07-20"));
    DeferredObject valueObj2 = new DeferredJavaObject(new Text("2009-07-22"));
    DeferredObject[] args = {valueObj1, valueObj2};
    IntWritable output = (IntWritable) udf.evaluate(args);

    assertEquals("date_iff() test for STRING failed ", "-2", output.toString());
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    ObjectInspector valueOI1 = PrimitiveObjectInspectorFactory.writableTimestampObjectInspector;
    ObjectInspector valueOI2 = PrimitiveObjectInspectorFactory.writableTimestampObjectInspector;
    ObjectInspector[] arguments = {valueOI1, valueOI2};

    udf.initialize(arguments);
    DeferredObject valueObj1 = new DeferredJavaObject(new TimestampWritable(new Timestamp(109, 06,
        20, 0, 0, 0, 0)));
    DeferredObject valueObj2 = new DeferredJavaObject(new TimestampWritable(new Timestamp(109, 06,
        17, 0, 0, 0, 0)));
    DeferredObject[] args = {valueObj1, valueObj2};
    IntWritable output = (IntWritable) udf.evaluate(args);

    assertEquals("datediff() test for TIMESTAMP failed ", "3", output.toString());
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    ObjectInspector valueOI2 = PrimitiveObjectInspectorFactory.writableDateObjectInspector;
    ObjectInspector[] arguments = {valueOI1, valueOI2};


    udf.initialize(arguments);
    DeferredObject valueObj1 = new DeferredJavaObject(new DateWritable(new Date(109, 06, 20)));
    DeferredObject valueObj2 = new DeferredJavaObject(new DateWritable(new Date(109, 06, 10)));
    DeferredObject[] args = {valueObj1, valueObj2};
    IntWritable output = (IntWritable) udf.evaluate(args);

    assertEquals("datediff() test for DATEWRITABLE failed ", "10", output.toString());
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    GenericUDFDate udf = new GenericUDFDate();
    ObjectInspector valueOI = PrimitiveObjectInspectorFactory.javaStringObjectInspector;
    ObjectInspector[] arguments = {valueOI};

    udf.initialize(arguments);
    DeferredObject valueObj = new DeferredJavaObject(new Text("2009-07-30"));
    DeferredObject[] args = {valueObj};
    Text output = (Text) udf.evaluate(args);

    assertEquals("to_date() test for STRING failed ", "2009-07-30", output.toString());
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    GenericUDFDate udf = new GenericUDFDate();
    ObjectInspector valueOI = PrimitiveObjectInspectorFactory.writableTimestampObjectInspector;
    ObjectInspector[] arguments = {valueOI};

    udf.initialize(arguments);
    DeferredObject valueObj = new DeferredJavaObject(new TimestampWritable(new Timestamp(109, 06,
        30, 4, 17, 52, 0)));
    DeferredObject[] args = {valueObj};
    Text output = (Text) udf.evaluate(args);

    assertEquals("to_date() test for TIMESTAMP failed ", "2009-07-30", output.toString());
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Related Classes of org.apache.hadoop.hive.ql.udf.generic.GenericUDF.DeferredObject

  • org.apache.hadoop.hive.ql.udf.generic.TestGenericUDFAbs
  • org.apache.hadoop.hive.ql.udf.generic.TestGenericUDFDecode
  • org.apache.hadoop.hive.ql.udf.generic.TestGenericUDFEncode
  • org.apache.hadoop.hive.ql.udf.generic.TestGenericUDFLpad
  • org.apache.hadoop.hive.ql.udf.generic.TestGenericUDFLTrim
  • org.apache.hadoop.hive.ql.udf.generic.TestGenericUDFRpad
  • org.apache.hadoop.hive.ql.udf.generic.TestGenericUDFRTrim
  • org.apache.hadoop.hive.ql.udf.generic.TestGenericUDFTrim
  • org.apache.hadoop.hive.ql.udf.TestGenericUDFDate
  • org.apache.hadoop.hive.ql.udf.TestGenericUDFDateAdd
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