Examples with CountAggregator org.apache.druid.query.aggregation.CountAggregator used on opensource projects

Example 1 with CountAggregator

use of org.apache.druid.query.aggregation.CountAggregator in project druid by druid-io.

the class DoubleGreatestPostAggregatorTest method testComparator.

@Test
public void testComparator() {
    final String aggName = "rows";
    DoubleGreatestPostAggregator greatestPostAggregator;
    CountAggregator agg = new CountAggregator();
    Map<String, Object> metricValues = new HashMap<String, Object>();
    metricValues.put(aggName, agg.get());
    List<PostAggregator> postAggregatorList = Lists.newArrayList(new ConstantPostAggregator("roku", 2D), new FieldAccessPostAggregator("rows", aggName));
    greatestPostAggregator = new DoubleGreatestPostAggregator("greatest", postAggregatorList);
    Comparator comp = greatestPostAggregator.getComparator();
    Object before = greatestPostAggregator.compute(metricValues);
    agg.aggregate();
    agg.aggregate();
    agg.aggregate();
    metricValues.put(aggName, agg.get());
    Object after = greatestPostAggregator.compute(metricValues);
    Assert.assertEquals(-1, comp.compare(before, after));
    Assert.assertEquals(0, comp.compare(before, before));
    Assert.assertEquals(0, comp.compare(after, after));
    Assert.assertEquals(1, comp.compare(after, before));
}

Example 2 with CountAggregator

use of org.apache.druid.query.aggregation.CountAggregator in project druid by druid-io.

the class DoubleLeastPostAggregatorTest method testCompute.

@Test
public void testCompute() {
    final String aggName = "rows";
    DoubleLeastPostAggregator leastPostAggregator;
    CountAggregator agg = new CountAggregator();
    agg.aggregate();
    agg.aggregate();
    agg.aggregate();
    Map<String, Object> metricValues = new HashMap<String, Object>();
    metricValues.put(aggName, agg.get());
    List<PostAggregator> postAggregatorList = Lists.newArrayList(new ConstantPostAggregator("roku", 6D), new FieldAccessPostAggregator("rows", aggName));
    leastPostAggregator = new DoubleLeastPostAggregator("least", postAggregatorList);
    Assert.assertEquals(3.0, leastPostAggregator.compute(metricValues));
}

Example 3 with CountAggregator

use of org.apache.druid.query.aggregation.CountAggregator in project druid by druid-io.

the class DoubleLeastPostAggregatorTest method testComparator.

@Test
public void testComparator() {
    final String aggName = "rows";
    DoubleLeastPostAggregator leastPostAggregator;
    CountAggregator agg = new CountAggregator();
    Map<String, Object> metricValues = new HashMap<String, Object>();
    metricValues.put(aggName, agg.get());
    List<PostAggregator> postAggregatorList = Lists.newArrayList(new ConstantPostAggregator("roku", 2D), new FieldAccessPostAggregator("rows", aggName));
    leastPostAggregator = new DoubleLeastPostAggregator("least", postAggregatorList);
    Comparator comp = leastPostAggregator.getComparator();
    Object before = leastPostAggregator.compute(metricValues);
    agg.aggregate();
    agg.aggregate();
    agg.aggregate();
    metricValues.put(aggName, agg.get());
    Object after = leastPostAggregator.compute(metricValues);
    Assert.assertEquals(-1, comp.compare(before, after));
    Assert.assertEquals(0, comp.compare(before, before));
    Assert.assertEquals(0, comp.compare(after, after));
    Assert.assertEquals(1, comp.compare(after, before));
}

Example 4 with CountAggregator

use of org.apache.druid.query.aggregation.CountAggregator in project druid by druid-io.

the class FieldAccessPostAggregatorTest method testCompute.

@Test
public void testCompute() {
    final String aggName = "rows";
    FieldAccessPostAggregator fieldAccessPostAggregator;
    fieldAccessPostAggregator = new FieldAccessPostAggregator("To be, or not to be, that is the question:", "rows");
    CountAggregator agg = new CountAggregator();
    Map<String, Object> metricValues = new HashMap<String, Object>();
    metricValues.put(aggName, agg.get());
    Assert.assertEquals(new Long(0L), fieldAccessPostAggregator.compute(metricValues));
    agg.aggregate();
    agg.aggregate();
    agg.aggregate();
    metricValues.put(aggName, agg.get());
    Assert.assertEquals(new Long(3L), fieldAccessPostAggregator.compute(metricValues));
}

Example 5 with CountAggregator

use of org.apache.druid.query.aggregation.CountAggregator in project druid by druid-io.

the class LongLeastPostAggregatorTest method testCompute.

@Test
public void testCompute() {
    final String aggName = "rows";
    LongLeastPostAggregator leastPostAggregator;
    CountAggregator agg = new CountAggregator();
    agg.aggregate();
    agg.aggregate();
    agg.aggregate();
    Map<String, Object> metricValues = new HashMap<String, Object>();
    metricValues.put(aggName, agg.get());
    List<PostAggregator> postAggregatorList = Lists.newArrayList(new ConstantPostAggregator("roku", 6D), new FieldAccessPostAggregator("rows", aggName));
    leastPostAggregator = new LongLeastPostAggregator("leastPostAggregator", postAggregatorList);
    Assert.assertEquals(Long.valueOf(3), leastPostAggregator.compute(metricValues));
}