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

Example 11 with Histogram

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

the class DateHistogramIT method testSingleValuedFieldOrderedByCountAsc.

public void testSingleValuedFieldOrderedByCountAsc() throws Exception {
    SearchResponse response = client().prepareSearch("idx").addAggregation(dateHistogram("histo").field("date").dateHistogramInterval(DateHistogramInterval.MONTH).order(Histogram.Order.COUNT_ASC)).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 12 with Histogram

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

the class DateHistogramIT method testMultiValuedFieldOrderedByKeyDesc.

public void testMultiValuedFieldOrderedByKeyDesc() throws Exception {
    SearchResponse response = client().prepareSearch("idx").addAggregation(dateHistogram("histo").field("dates").dateHistogramInterval(DateHistogramInterval.MONTH).order(Histogram.Order.COUNT_DESC)).execute().actionGet();
    assertSearchResponse(response);
    Histogram histo = response.getAggregations().get("histo");
    assertThat(histo, notNullValue());
    assertThat(histo.getName(), equalTo("histo"));
    assertThat(histo.getBuckets().size(), equalTo(4));
    // TODO: use diamond once JI-9019884 is fixed
    List<Histogram.Bucket> buckets = new ArrayList<>(histo.getBuckets());
    Histogram.Bucket bucket = buckets.get(0);
    assertThat(bucket, notNullValue());
    assertThat(bucket.getDocCount(), equalTo(5L));
    bucket = buckets.get(1);
    assertThat(bucket, notNullValue());
    assertThat(bucket.getDocCount(), equalTo(3L));
    bucket = buckets.get(2);
    assertThat(bucket, notNullValue());
    assertThat(bucket.getDocCount(), equalTo(3L));
    bucket = buckets.get(3);
    assertThat(bucket, notNullValue());
    assertThat(bucket.getDocCount(), equalTo(1L));
}

Example 13 with Histogram

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

the class DateHistogramIT method testSingleValuedFieldWithTimeZone.

public void testSingleValuedFieldWithTimeZone() throws Exception {
    SearchResponse response = client().prepareSearch("idx").addAggregation(dateHistogram("histo").field("date").dateHistogramInterval(DateHistogramInterval.DAY).minDocCount(1).timeZone(DateTimeZone.forID("+01:00"))).execute().actionGet();
    DateTimeZone tz = DateTimeZone.forID("+01:00");
    assertSearchResponse(response);
    Histogram histo = response.getAggregations().get("histo");
    assertThat(histo, notNullValue());
    assertThat(histo.getName(), equalTo("histo"));
    List<? extends Bucket> buckets = histo.getBuckets();
    assertThat(buckets.size(), equalTo(6));
    DateTime key = new DateTime(2012, 1, 1, 23, 0, DateTimeZone.UTC);
    Histogram.Bucket bucket = buckets.get(0);
    assertThat(bucket, notNullValue());
    assertThat(bucket.getKeyAsString(), equalTo(getBucketKeyAsString(key, tz)));
    assertThat(((DateTime) bucket.getKey()), equalTo(key));
    assertThat(bucket.getDocCount(), equalTo(1L));
    key = new DateTime(2012, 2, 1, 23, 0, DateTimeZone.UTC);
    bucket = buckets.get(1);
    assertThat(bucket, notNullValue());
    assertThat(bucket.getKeyAsString(), equalTo(getBucketKeyAsString(key, tz)));
    assertThat(((DateTime) bucket.getKey()), equalTo(key));
    assertThat(bucket.getDocCount(), equalTo(1L));
    key = new DateTime(2012, 2, 14, 23, 0, DateTimeZone.UTC);
    bucket = buckets.get(2);
    assertThat(bucket, notNullValue());
    assertThat(bucket.getKeyAsString(), equalTo(getBucketKeyAsString(key, tz)));
    assertThat(((DateTime) bucket.getKey()), equalTo(key));
    assertThat(bucket.getDocCount(), equalTo(1L));
    key = new DateTime(2012, 3, 1, 23, 0, DateTimeZone.UTC);
    bucket = buckets.get(3);
    assertThat(bucket, notNullValue());
    assertThat(bucket.getKeyAsString(), equalTo(getBucketKeyAsString(key, tz)));
    assertThat(((DateTime) bucket.getKey()), equalTo(key));
    assertThat(bucket.getDocCount(), equalTo(1L));
    key = new DateTime(2012, 3, 14, 23, 0, DateTimeZone.UTC);
    bucket = buckets.get(4);
    assertThat(bucket, notNullValue());
    assertThat(bucket.getKeyAsString(), equalTo(getBucketKeyAsString(key, tz)));
    assertThat(((DateTime) bucket.getKey()), equalTo(key));
    assertThat(bucket.getDocCount(), equalTo(1L));
    key = new DateTime(2012, 3, 22, 23, 0, DateTimeZone.UTC);
    bucket = buckets.get(5);
    assertThat(bucket, notNullValue());
    assertThat(bucket.getKeyAsString(), equalTo(getBucketKeyAsString(key, tz)));
    assertThat(((DateTime) bucket.getKey()), equalTo(key));
    assertThat(bucket.getDocCount(), equalTo(1L));
}

Example 14 with Histogram

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

the class DateHistogramOffsetIT method testSingleValueWithOffsetMinDocCount.

/**
     * Set offset so day buckets start at 6am. Index first 12 hours for two days, with one day gap.
     */
public void testSingleValueWithOffsetMinDocCount() throws Exception {
    prepareIndex(date("2014-03-11T00:00:00+00:00"), 12, 1, 0);
    prepareIndex(date("2014-03-14T00:00:00+00:00"), 12, 1, 13);
    SearchResponse response = client().prepareSearch("idx2").setQuery(matchAllQuery()).addAggregation(dateHistogram("date_histo").field("date").offset("6h").minDocCount(0).format(DATE_FORMAT).dateHistogramInterval(DateHistogramInterval.DAY)).execute().actionGet();
    assertThat(response.getHits().getTotalHits(), equalTo(24L));
    Histogram histo = response.getAggregations().get("date_histo");
    List<? extends Histogram.Bucket> buckets = histo.getBuckets();
    assertThat(buckets.size(), equalTo(5));
    checkBucketFor(buckets.get(0), new DateTime(2014, 3, 10, 6, 0, DateTimeZone.UTC), 6L);
    checkBucketFor(buckets.get(1), new DateTime(2014, 3, 11, 6, 0, DateTimeZone.UTC), 6L);
    checkBucketFor(buckets.get(2), new DateTime(2014, 3, 12, 6, 0, DateTimeZone.UTC), 0L);
    checkBucketFor(buckets.get(3), new DateTime(2014, 3, 13, 6, 0, DateTimeZone.UTC), 6L);
    checkBucketFor(buckets.get(4), new DateTime(2014, 3, 14, 6, 0, DateTimeZone.UTC), 6L);
}

Example 15 with Histogram

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

the class DateHistogramIT method testSingleValued_timeZone_epoch.

public void testSingleValued_timeZone_epoch() throws Exception {
    String format = randomBoolean() ? "epoch_millis" : "epoch_second";
    int millisDivider = format.equals("epoch_millis") ? 1 : 1000;
    if (randomBoolean()) {
        format = format + "||date_optional_time";
    }
    DateTimeZone tz = DateTimeZone.forID("+01:00");
    SearchResponse response = client().prepareSearch("idx").addAggregation(dateHistogram("histo").field("date").dateHistogramInterval(DateHistogramInterval.DAY).minDocCount(1).timeZone(tz).format(format)).execute().actionGet();
    assertSearchResponse(response);
    Histogram histo = response.getAggregations().get("histo");
    assertThat(histo, notNullValue());
    assertThat(histo.getName(), equalTo("histo"));
    List<? extends Bucket> buckets = histo.getBuckets();
    assertThat(buckets.size(), equalTo(6));
    List<DateTime> expectedKeys = new ArrayList<>();
    expectedKeys.add(new DateTime(2012, 1, 1, 23, 0, DateTimeZone.UTC));
    expectedKeys.add(new DateTime(2012, 2, 1, 23, 0, DateTimeZone.UTC));
    expectedKeys.add(new DateTime(2012, 2, 14, 23, 0, DateTimeZone.UTC));
    expectedKeys.add(new DateTime(2012, 3, 1, 23, 0, DateTimeZone.UTC));
    expectedKeys.add(new DateTime(2012, 3, 14, 23, 0, DateTimeZone.UTC));
    expectedKeys.add(new DateTime(2012, 3, 22, 23, 0, DateTimeZone.UTC));
    Iterator<DateTime> keyIterator = expectedKeys.iterator();
    for (Histogram.Bucket bucket : buckets) {
        assertThat(bucket, notNullValue());
        DateTime expectedKey = keyIterator.next();
        assertThat(bucket.getKeyAsString(), equalTo(Long.toString(expectedKey.getMillis() / millisDivider)));
        assertThat(((DateTime) bucket.getKey()), equalTo(expectedKey));
        assertThat(bucket.getDocCount(), equalTo(1L));
    }
}