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

Example 11 with Aggregator

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

the class DoubleLastAggregationTest method testDoubleLastAggregator.

@Test
public void testDoubleLastAggregator() {
    Aggregator agg = doubleLastAggFactory.factorize(colSelectorFactory);
    aggregate(agg);
    aggregate(agg);
    aggregate(agg);
    aggregate(agg);
    Pair<Long, Double> result = (Pair<Long, Double>) agg.get();
    Assert.assertEquals(times[0], result.lhs.longValue());
    Assert.assertEquals(doubles[0], result.rhs, 0.0001);
    Assert.assertEquals((long) doubles[0], agg.getLong());
    Assert.assertEquals(doubles[0], agg.getDouble(), 0.0001);
}

Example 12 with Aggregator

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

the class LongLastAggregationTest method testLongLastAggregator.

@Test
public void testLongLastAggregator() {
    Aggregator agg = longLastAggFactory.factorize(colSelectorFactory);
    aggregate(agg);
    aggregate(agg);
    aggregate(agg);
    aggregate(agg);
    Pair<Long, Long> result = (Pair<Long, Long>) agg.get();
    Assert.assertEquals(times[2], result.lhs.longValue());
    Assert.assertEquals(longValues[2], result.rhs.longValue());
    Assert.assertEquals(longValues[2], agg.getLong());
    Assert.assertEquals(longValues[2], agg.getFloat(), 1);
}

Example 13 with Aggregator

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

the class LongLastAggregationTest method testLongLastAggregatorWithTimeColumn.

@Test
public void testLongLastAggregatorWithTimeColumn() {
    Aggregator agg = new LongLastAggregatorFactory("billy", "nilly", "customTime").factorize(colSelectorFactory);
    aggregate(agg);
    aggregate(agg);
    aggregate(agg);
    aggregate(agg);
    Pair<Long, Long> result = (Pair<Long, Long>) agg.get();
    Assert.assertEquals(customTimes[1], result.lhs.longValue());
    Assert.assertEquals(longValues[1], result.rhs.longValue());
    Assert.assertEquals(longValues[1], agg.getLong());
    Assert.assertEquals(longValues[1], agg.getFloat(), 1);
}

Example 14 with Aggregator

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

the class FloatFirstAggregationTest method testFloatFirstAggregator.

@Test
public void testFloatFirstAggregator() {
    Aggregator agg = floatFirstAggregatorFactory.factorize(colSelectorFactory);
    aggregate(agg);
    aggregate(agg);
    aggregate(agg);
    aggregate(agg);
    Pair<Long, Float> result = (Pair<Long, Float>) agg.get();
    Assert.assertEquals(times[1], result.lhs.longValue());
    Assert.assertEquals(floats[1], result.rhs, 0.0001);
    Assert.assertEquals((long) floats[1], agg.getLong());
    Assert.assertEquals(floats[1], agg.getFloat(), 0.0001);
}

Example 15 with Aggregator

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

the class StringFirstAggregationTest method testStringFirstAggregator.

@Test
public void testStringFirstAggregator() {
    Aggregator agg = stringFirstAggFactory.factorize(colSelectorFactory);
    aggregate(agg);
    aggregate(agg);
    aggregate(agg);
    aggregate(agg);
    Pair<Long, String> result = (Pair<Long, String>) agg.get();
    Assert.assertEquals(strings[2], result.rhs);
}