Examples with Histogram org.elasticsearch.search.aggregations.bucket.histogram.Histogram used on opensource projects

Example 21 with Histogram

use of org.elasticsearch.search.aggregations.bucket.histogram.Histogram in project elasticsearch by elastic.

the class DateHistogramIT method testSingleValuedFieldOrderedByMultiValuedSubAggregationDesc.

public void testSingleValuedFieldOrderedByMultiValuedSubAggregationDesc() throws Exception {
    SearchResponse response = client().prepareSearch("idx").addAggregation(dateHistogram("histo").field("date").dateHistogramInterval(DateHistogramInterval.MONTH).order(Histogram.Order.aggregation("stats", "sum", false)).subAggregation(stats("stats").field("value"))).execute().actionGet();
    assertSearchResponse(response);
    Histogram histo = response.getAggregations().get("histo");
    assertThat(histo, notNullValue());
    assertThat(histo.getName(), equalTo("histo"));
    assertThat(histo.getBuckets().size(), equalTo(3));
    int i = 2;
    for (Histogram.Bucket bucket : histo.getBuckets()) {
        assertThat(((DateTime) bucket.getKey()), equalTo(new DateTime(2012, i + 1, 1, 0, 0, DateTimeZone.UTC)));
        i--;
    }
}

Example 22 with Histogram

use of org.elasticsearch.search.aggregations.bucket.histogram.Histogram in project elasticsearch by elastic.

the class DateHistogramIT method testSingleValueFieldWithExtendedBoundsTimezone.

/**
     * Test date histogram aggregation with hour interval, timezone shift and
     * extended bounds (see https://github.com/elastic/elasticsearch/issues/12278)
     */
public void testSingleValueFieldWithExtendedBoundsTimezone() throws Exception {
    String index = "test12278";
    prepareCreate(index).setSettings(Settings.builder().put(indexSettings()).put("index.number_of_shards", 1).put("index.number_of_replicas", 0)).execute().actionGet();
    DateMathParser parser = new DateMathParser(Joda.getStrictStandardDateFormatter());
    // we pick a random timezone offset of +12/-12 hours and insert two documents
    // one at 00:00 in that time zone and one at 12:00
    List<IndexRequestBuilder> builders = new ArrayList<>();
    int timeZoneHourOffset = randomIntBetween(-12, 12);
    DateTimeZone timezone = DateTimeZone.forOffsetHours(timeZoneHourOffset);
    DateTime timeZoneStartToday = new DateTime(parser.parse("now/d", System::currentTimeMillis, false, timezone), DateTimeZone.UTC);
    DateTime timeZoneNoonToday = new DateTime(parser.parse("now/d+12h", System::currentTimeMillis, false, timezone), DateTimeZone.UTC);
    builders.add(indexDoc(index, timeZoneStartToday, 1));
    builders.add(indexDoc(index, timeZoneNoonToday, 2));
    indexRandom(true, builders);
    ensureSearchable(index);
    SearchResponse response = null;
    // retrieve those docs with the same time zone and extended bounds
    response = client().prepareSearch(index).setQuery(QueryBuilders.rangeQuery("date").from("now/d").to("now/d").includeLower(true).includeUpper(true).timeZone(timezone.getID())).addAggregation(dateHistogram("histo").field("date").dateHistogramInterval(DateHistogramInterval.hours(1)).timeZone(timezone).minDocCount(0).extendedBounds(new ExtendedBounds("now/d", "now/d+23h"))).execute().actionGet();
    assertSearchResponse(response);
    assertThat("Expected 24 buckets for one day aggregation with hourly interval", response.getHits().getTotalHits(), equalTo(2L));
    Histogram histo = response.getAggregations().get("histo");
    assertThat(histo, notNullValue());
    assertThat(histo.getName(), equalTo("histo"));
    List<? extends Bucket> buckets = histo.getBuckets();
    assertThat(buckets.size(), equalTo(24));
    for (int i = 0; i < buckets.size(); i++) {
        Histogram.Bucket bucket = buckets.get(i);
        assertThat(bucket, notNullValue());
        assertThat("InternalBucket " + i + " had wrong key", (DateTime) bucket.getKey(), equalTo(new DateTime(timeZoneStartToday.getMillis() + (i * 60 * 60 * 1000), DateTimeZone.UTC)));
        if (i == 0 || i == 12) {
            assertThat(bucket.getDocCount(), equalTo(1L));
        } else {
            assertThat(bucket.getDocCount(), equalTo(0L));
        }
    }
    internalCluster().wipeIndices("test12278");
}

Example 23 with Histogram

use of org.elasticsearch.search.aggregations.bucket.histogram.Histogram in project elasticsearch by elastic.

the class DateHistogramIT method testSingleValuedFieldOrderedBySubAggregationAsc.

public void testSingleValuedFieldOrderedBySubAggregationAsc() throws Exception {
    SearchResponse response = client().prepareSearch("idx").addAggregation(dateHistogram("histo").field("date").dateHistogramInterval(DateHistogramInterval.MONTH).order(Histogram.Order.aggregation("sum", true)).subAggregation(max("sum").field("value"))).execute().actionGet();
    assertSearchResponse(response);
    Histogram histo = response.getAggregations().get("histo");
    assertThat(histo, notNullValue());
    assertThat(histo.getName(), equalTo("histo"));
    assertThat(histo.getBuckets().size(), equalTo(3));
    int i = 0;
    for (Histogram.Bucket bucket : histo.getBuckets()) {
        assertThat(((DateTime) bucket.getKey()), equalTo(new DateTime(2012, i + 1, 1, 0, 0, DateTimeZone.UTC)));
        i++;
    }
}

Example 24 with Histogram

use of org.elasticsearch.search.aggregations.bucket.histogram.Histogram in project elasticsearch by elastic.

the class DateHistogramIT method testIssue8209.

public void testIssue8209() throws InterruptedException, ExecutionException {
    assertAcked(client().admin().indices().prepareCreate("test8209").addMapping("type", "d", "type=date").get());
    indexRandom(true, client().prepareIndex("test8209", "type").setSource("d", "2014-01-01T00:00:00Z"), client().prepareIndex("test8209", "type").setSource("d", "2014-04-01T00:00:00Z"), client().prepareIndex("test8209", "type").setSource("d", "2014-04-30T00:00:00Z"));
    ensureSearchable("test8209");
    SearchResponse response = client().prepareSearch("test8209").addAggregation(dateHistogram("histo").field("d").dateHistogramInterval(DateHistogramInterval.MONTH).timeZone(DateTimeZone.forID("CET")).minDocCount(0)).execute().actionGet();
    assertSearchResponse(response);
    Histogram histo = response.getAggregations().get("histo");
    assertThat(histo.getBuckets().size(), equalTo(4));
    assertThat(histo.getBuckets().get(0).getKeyAsString(), equalTo("2014-01-01T00:00:00.000+01:00"));
    assertThat(histo.getBuckets().get(0).getDocCount(), equalTo(1L));
    assertThat(histo.getBuckets().get(1).getKeyAsString(), equalTo("2014-02-01T00:00:00.000+01:00"));
    assertThat(histo.getBuckets().get(1).getDocCount(), equalTo(0L));
    assertThat(histo.getBuckets().get(2).getKeyAsString(), equalTo("2014-03-01T00:00:00.000+01:00"));
    assertThat(histo.getBuckets().get(2).getDocCount(), equalTo(0L));
    assertThat(histo.getBuckets().get(3).getKeyAsString(), equalTo("2014-04-01T00:00:00.000+02:00"));
    assertThat(histo.getBuckets().get(3).getDocCount(), equalTo(2L));
    internalCluster().wipeIndices("test8209");
}

Example 25 with Histogram

use of org.elasticsearch.search.aggregations.bucket.histogram.Histogram in project elasticsearch by elastic.

the class FiltersIT method testEmptyAggregation.

public void testEmptyAggregation() throws Exception {
    SearchResponse searchResponse = client().prepareSearch("empty_bucket_idx").setQuery(matchAllQuery()).addAggregation(histogram("histo").field("value").interval(1L).minDocCount(0).subAggregation(filters("filters", new KeyedFilter("all", matchAllQuery())))).execute().actionGet();
    assertThat(searchResponse.getHits().getTotalHits(), equalTo(2L));
    Histogram histo = searchResponse.getAggregations().get("histo");
    assertThat(histo, Matchers.notNullValue());
    Histogram.Bucket bucket = histo.getBuckets().get(1);
    assertThat(bucket, Matchers.notNullValue());
    Filters filters = bucket.getAggregations().get("filters");
    assertThat(filters, notNullValue());
    Filters.Bucket all = filters.getBucketByKey("all");
    assertThat(all, Matchers.notNullValue());
    assertThat(all.getKeyAsString(), equalTo("all"));
    assertThat(all.getDocCount(), is(0L));
}