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

Example 6 with Aggregator

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

the class FloatLastAggregationTest method testFloatLastCombiningAggregator.

@Test
public void testFloatLastCombiningAggregator() {
    Aggregator agg = combiningAggFactory.factorize(colSelectorFactory);
    aggregate(agg);
    aggregate(agg);
    aggregate(agg);
    aggregate(agg);
    Pair<Long, Float> result = (Pair<Long, Float>) agg.get();
    Pair<Long, Float> expected = (Pair<Long, Float>) pairs[2];
    Assert.assertEquals(expected.lhs, result.lhs);
    Assert.assertEquals(expected.rhs, result.rhs, 0.0001);
    Assert.assertEquals(expected.rhs.longValue(), agg.getLong());
    Assert.assertEquals(expected.rhs, agg.getFloat(), 0.0001);
}

Example 7 with Aggregator

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

the class StringLastAggregationTest method testStringLastAggregator.

@Test
public void testStringLastAggregator() {
    Aggregator agg = stringLastAggFactory.factorize(colSelectorFactory);
    aggregate(agg);
    aggregate(agg);
    aggregate(agg);
    aggregate(agg);
    Pair<Long, String> result = (Pair<Long, String>) agg.get();
    Assert.assertEquals(strings[0], result.rhs);
}

Example 8 with Aggregator

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

the class StringLastAggregationTest method testStringLastAggregatorWithTimeColumn.

@Test
public void testStringLastAggregatorWithTimeColumn() {
    Aggregator agg = new StringLastAggregatorFactory("billy", "nilly", "customTime", MAX_STRING_SIZE).factorize(colSelectorFactory);
    aggregate(agg);
    aggregate(agg);
    aggregate(agg);
    aggregate(agg);
    Pair<Long, String> result = (Pair<Long, String>) agg.get();
    Assert.assertEquals(strings[1], result.rhs);
}

Example 9 with Aggregator

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

the class DoubleLastAggregationTest method testDoubleLastAggregatorWithTimeColumn.

@Test
public void testDoubleLastAggregatorWithTimeColumn() {
    Aggregator agg = new DoubleLastAggregatorFactory("billy", "nilly", "customTime").factorize(colSelectorFactory);
    aggregate(agg);
    aggregate(agg);
    aggregate(agg);
    aggregate(agg);
    Pair<Long, Double> result = (Pair<Long, Double>) agg.get();
    Assert.assertEquals(customTimes[1], result.lhs.longValue());
    Assert.assertEquals(doubles[1], result.rhs, 0.0001);
    Assert.assertEquals((long) doubles[1], agg.getLong());
    Assert.assertEquals(doubles[1], agg.getDouble(), 0.0001);
}

Example 10 with Aggregator

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

the class DoubleLastAggregationTest method testDoubleLastCombiningAggregator.

@Test
public void testDoubleLastCombiningAggregator() {
    Aggregator agg = combiningAggFactory.factorize(colSelectorFactory);
    aggregate(agg);
    aggregate(agg);
    aggregate(agg);
    aggregate(agg);
    Pair<Long, Double> result = (Pair<Long, Double>) agg.get();
    Pair<Long, Double> expected = (Pair<Long, Double>) pairs[2];
    Assert.assertEquals(expected.lhs, result.lhs);
    Assert.assertEquals(expected.rhs, result.rhs, 0.0001);
    Assert.assertEquals(expected.rhs.longValue(), agg.getLong());
    Assert.assertEquals(expected.rhs, agg.getDouble(), 0.0001);
}