Examples with UniqueValues co.cask.cdap.dq.functions.UniqueValues used on opensource projects

Example 1 with UniqueValues

use of co.cask.cdap.dq.functions.UniqueValues in project cdap by caskdata.

the class AggregationFunctionsTest method uniqueValuesGenerateAggregationTest.

@Test
public void uniqueValuesGenerateAggregationTest() throws Exception {
    DataQualityWritable val1 = new DataQualityWritable();
    DataQualityWritable val2 = new DataQualityWritable();
    DataQualityWritable val3 = new DataQualityWritable();
    val1.set(new Text("a"));
    val2.set(new Text("a"));
    val3.set(new Text("a"));
    UniqueValues uniqueValues = new UniqueValues();
    uniqueValues.add(val1);
    uniqueValues.add(val2);
    uniqueValues.add(val3);
    byte[] output = uniqueValues.aggregate();
    Assert.assertEquals("[a]", Bytes.toString(output));
}