Examples with EvalFunc org.apache.pig.EvalFunc used on opensource projects

Example 21 with EvalFunc

use of org.apache.pig.EvalFunc in project sketches-pig by DataSketches.

the class DataToSketchTest method algebraicInitialWithLgK.

@Test
public void algebraicInitialWithLgK() throws Exception {
    @SuppressWarnings("unchecked") EvalFunc<Tuple> func = (EvalFunc<Tuple>) Class.forName(new DataToSketch().getInitial()).getConstructor(String.class).newInstance("10");
    Tuple input = tupleFactory.newTuple();
    Tuple result = func.exec(input);
    Assert.assertEquals(result, input);
}

Example 22 with EvalFunc

use of org.apache.pig.EvalFunc in project sketches-pig by DataSketches.

the class DataToSketchTest method algebraicFinalNullInputTuple.

@Test
public void algebraicFinalNullInputTuple() throws Exception {
    @SuppressWarnings("unchecked") EvalFunc<DataByteArray> func = (EvalFunc<DataByteArray>) Class.forName(new DataToSketch().getFinal()).newInstance();
    DataByteArray result = func.exec(null);
    HllSketch sketch = getSketch(result);
    Assert.assertTrue(sketch.isEmpty());
}

Example 23 with EvalFunc

use of org.apache.pig.EvalFunc in project sketches-pig by DataSketches.

the class DataToSketchTest method algebraicInitialWithLgKAndTgtHllType.

@Test
public void algebraicInitialWithLgKAndTgtHllType() throws Exception {
    @SuppressWarnings("unchecked") EvalFunc<Tuple> func = (EvalFunc<Tuple>) Class.forName(new DataToSketch().getInitial()).getConstructor(String.class, String.class).newInstance("10", "HLL_6");
    Tuple input = tupleFactory.newTuple();
    Tuple result = func.exec(input);
    Assert.assertEquals(result, input);
}

Example 24 with EvalFunc

use of org.apache.pig.EvalFunc in project sketches-pig by DataSketches.

the class DataToSketchTest method algebraicIntermediateNullInputTuple.

@Test
public void algebraicIntermediateNullInputTuple() throws Exception {
    @SuppressWarnings("unchecked") EvalFunc<Tuple> func = (EvalFunc<Tuple>) Class.forName(new DataToSketch().getIntermed()).newInstance();
    Tuple result = func.exec(null);
    HllSketch sketch = getSketch((DataByteArray) result.get(0));
    Assert.assertTrue(sketch.isEmpty());
}

Example 25 with EvalFunc

use of org.apache.pig.EvalFunc in project sketches-pig by DataSketches.

the class DataToSketchTest method algebraicFinalEmptyBag.

@Test
public void algebraicFinalEmptyBag() throws Exception {
    @SuppressWarnings("unchecked") EvalFunc<DataByteArray> func = (EvalFunc<DataByteArray>) Class.forName(new DataToSketch().getFinal()).getConstructor(String.class, String.class).newInstance("10", "HLL_6");
    DataByteArray result = func.exec(tupleFactory.newTuple(bagFactory.newDefaultBag()));
    HllSketch sketch = getSketch(result);
    Assert.assertTrue(sketch.isEmpty());
    Assert.assertEquals(sketch.getLgConfigK(), 10);
    Assert.assertEquals(sketch.getTgtHllType(), TgtHllType.HLL_6);
}