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

Examples of org.apache.hadoop.hive.ql.udf.generic.GenericUDFDateAdd

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import org.apache.hadoop.hive.serde2.objectinspector.primitive.PrimitiveObjectInspectorFactory;
import org.apache.hadoop.io.Text;

public class TestGenericUDFDateAdd extends TestCase {
  public void testStringToDate() throws HiveException {
    GenericUDFDateAdd udf = new GenericUDFDateAdd();
    ObjectInspector valueOI1 = PrimitiveObjectInspectorFactory.javaStringObjectInspector;
    ObjectInspector valueOI2 = PrimitiveObjectInspectorFactory.javaIntObjectInspector;
    ObjectInspector[] arguments = {valueOI1, valueOI2};

    udf.initialize(arguments);
    DeferredObject valueObj1 = new DeferredJavaObject(new Text("2009-07-20 04:17:52"));
    DeferredObject valueObj2 = new DeferredJavaObject(new Integer("2"));
    DeferredObject[] args = {valueObj1, valueObj2};
    Text output = (Text) udf.evaluate(args);

    assertEquals("date_add() test for STRING failed ", "2009-07-22", output.toString());

    // Test with null args
    args = new DeferredObject[] { new DeferredJavaObject(null), valueObj2 };
    assertNull("date_add() 1st arg null", udf.evaluate(args));

    args = new DeferredObject[] { valueObj1, new DeferredJavaObject(null) };
    assertNull("date_add() 2nd arg null", udf.evaluate(args));

    args = new DeferredObject[] { new DeferredJavaObject(null), new DeferredJavaObject(null) };
    assertNull("date_add() both args null", udf.evaluate(args));
  }
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    args = new DeferredObject[] { new DeferredJavaObject(null), new DeferredJavaObject(null) };
    assertNull("date_add() both args null", udf.evaluate(args));
  }

  public void testTimestampToDate() throws HiveException {
    GenericUDFDateAdd udf = new GenericUDFDateAdd();
    ObjectInspector valueOI1 = PrimitiveObjectInspectorFactory.writableTimestampObjectInspector;
    ObjectInspector valueOI2 = PrimitiveObjectInspectorFactory.javaIntObjectInspector;
    ObjectInspector[] arguments = {valueOI1, valueOI2};

    udf.initialize(arguments);
    DeferredObject valueObj1 = new DeferredJavaObject(new TimestampWritable(new Timestamp(109, 06,
        20, 4, 17, 52, 0)));
    DeferredObject valueObj2 = new DeferredJavaObject(new Integer("3"));
    DeferredObject[] args = {valueObj1, valueObj2};
    Text output = (Text) udf.evaluate(args);

    assertEquals("date_add() test for TIMESTAMP failed ", "2009-07-23", output.toString());

    // Test with null args
    args = new DeferredObject[] { new DeferredJavaObject(null), valueObj2 };
    assertNull("date_add() 1st arg null", udf.evaluate(args));

    args = new DeferredObject[] { valueObj1, new DeferredJavaObject(null) };
    assertNull("date_add() 2nd arg null", udf.evaluate(args));

    args = new DeferredObject[] { new DeferredJavaObject(null), new DeferredJavaObject(null) };
    assertNull("date_add() both args null", udf.evaluate(args));
  }
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    args = new DeferredObject[] { new DeferredJavaObject(null), new DeferredJavaObject(null) };
    assertNull("date_add() both args null", udf.evaluate(args));
  }

  public void testDateWritablepToDate() throws HiveException {
    GenericUDFDateAdd udf = new GenericUDFDateAdd();
    ObjectInspector valueOI1 = PrimitiveObjectInspectorFactory.writableDateObjectInspector;
    ObjectInspector valueOI2 = PrimitiveObjectInspectorFactory.javaIntObjectInspector;
    ObjectInspector[] arguments = {valueOI1, valueOI2};


    udf.initialize(arguments);
    DeferredObject valueObj1 = new DeferredJavaObject(new DateWritable(new Date(109, 06, 20)));
    DeferredObject valueObj2 = new DeferredJavaObject(new Integer("4"));
    DeferredObject[] args = {valueObj1, valueObj2};
    Text output = (Text) udf.evaluate(args);

    assertEquals("date_add() test for DATEWRITABLE failed ", "2009-07-24", output.toString());

    // Test with null args
    args = new DeferredObject[] { new DeferredJavaObject(null), valueObj2 };
    assertNull("date_add() 1st arg null", udf.evaluate(args));

    args = new DeferredObject[] { valueObj1, new DeferredJavaObject(null) };
    assertNull("date_add() 2nd arg null", udf.evaluate(args));

    args = new DeferredObject[] { new DeferredJavaObject(null), new DeferredJavaObject(null) };
    assertNull("date_add() both args null", udf.evaluate(args));
  }
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Related Classes of org.apache.hadoop.hive.ql.udf.generic.GenericUDFDateAdd

  • org.apache.hadoop.hive.ql.udf.TestGenericUDFDateAdd
  • org.apache.hadoop.hive.serde2.io.DateWritable
  • org.apache.hadoop.hive.serde2.objectinspector.ObjectInspector
  • org.apache.hadoop.hive.serde2.objectinspector.primitive.PrimitiveObjectInspectorConverter.TimestampConverter
  • org.apache.hadoop.io.IntWritable
  • org.apache.hadoop.hive.ql.exec.UDFArgumentTypeException
  • java.sql.Timestamp
  • java.util.Date
  • org.apache.hadoop.hive.ql.exec.UDFArgumentLengthException
  • org.apache.hadoop.hive.ql.exec.UDFArgumentException
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