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

Example 46 with FieldAccessPostAggregator

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

the class DoublesSketchAggregatorFactoryTest method testResultArraySignature.

@Test
public void testResultArraySignature() {
    final TimeseriesQuery query = Druids.newTimeseriesQueryBuilder().dataSource("dummy").intervals("2000/3000").granularity(Granularities.HOUR).aggregators(new CountAggregatorFactory("count"), new DoublesSketchAggregatorFactory("doublesSketch", "col", 8), new DoublesSketchMergeAggregatorFactory("doublesSketchMerge", 8)).postAggregators(new FieldAccessPostAggregator("doublesSketch-access", "doublesSketch"), new FinalizingFieldAccessPostAggregator("doublesSketch-finalize", "doublesSketch"), new FieldAccessPostAggregator("doublesSketchMerge-access", "doublesSketchMerge"), new FinalizingFieldAccessPostAggregator("doublesSketchMerge-finalize", "doublesSketchMerge")).build();
    Assert.assertEquals(RowSignature.builder().addTimeColumn().add("count", ColumnType.LONG).add("doublesSketch", null).add("doublesSketchMerge", null).add("doublesSketch-access", DoublesSketchModule.TYPE).add("doublesSketch-finalize", ColumnType.LONG).add("doublesSketchMerge-access", DoublesSketchModule.TYPE).add("doublesSketchMerge-finalize", ColumnType.LONG).build(), new TimeseriesQueryQueryToolChest().resultArraySignature(query));
}

Example 47 with FieldAccessPostAggregator

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

the class DoublesSketchToCDFPostAggregatorTest method testComparator.

@Test
public void testComparator() {
    expectedException.expect(IAE.class);
    expectedException.expectMessage("Comparing histograms is not supported");
    final PostAggregator postAgg = new DoublesSketchToCDFPostAggregator("post", new FieldAccessPostAggregator("field1", "sketch"), new double[] { 0.25, 0.75 });
    postAgg.getComparator();
}

Example 48 with FieldAccessPostAggregator

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

the class DoublesSketchToCDFPostAggregatorTest method emptySketch.

@Test
public void emptySketch() {
    final TestDoubleColumnSelectorImpl selector = new TestDoubleColumnSelectorImpl(null);
    final Aggregator agg = new DoublesSketchBuildAggregator(selector, 8);
    final Map<String, Object> fields = new HashMap<>();
    fields.put("sketch", agg.get());
    final PostAggregator postAgg = new DoublesSketchToCDFPostAggregator("cdf", new FieldAccessPostAggregator("field", "sketch"), new double[] { 4 });
    final double[] histogram = (double[]) postAgg.compute(fields);
    Assert.assertNotNull(histogram);
    Assert.assertEquals(2, histogram.length);
    Assert.assertTrue(Double.isNaN(histogram[0]));
    Assert.assertTrue(Double.isNaN(histogram[1]));
}

Example 49 with FieldAccessPostAggregator

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

the class DoublesSketchToQuantilePostAggregatorTest method testSerde.

@Test
public void testSerde() throws JsonProcessingException {
    final PostAggregator there = new DoublesSketchToQuantilePostAggregator("post", new FieldAccessPostAggregator("field1", "sketch"), 0.5);
    DefaultObjectMapper mapper = new DefaultObjectMapper();
    DoublesSketchToQuantilePostAggregator andBackAgain = mapper.readValue(mapper.writeValueAsString(there), DoublesSketchToQuantilePostAggregator.class);
    Assert.assertEquals(there, andBackAgain);
    Assert.assertArrayEquals(there.getCacheKey(), andBackAgain.getCacheKey());
}

Example 50 with FieldAccessPostAggregator

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

the class DoublesSketchToRankPostAggregatorTest method testResultArraySignature.

@Test
public void testResultArraySignature() {
    final TimeseriesQuery query = Druids.newTimeseriesQueryBuilder().dataSource("dummy").intervals("2000/3000").granularity(Granularities.HOUR).aggregators(new DoublesSketchAggregatorFactory("sketch", "col", 8)).postAggregators(new DoublesSketchToRankPostAggregator("a", new FieldAccessPostAggregator("field", "sketch"), 4)).build();
    Assert.assertEquals(RowSignature.builder().addTimeColumn().add("sketch", null).add("a", ColumnType.DOUBLE).build(), new TimeseriesQueryQueryToolChest().resultArraySignature(query));
}