Ejemplo n.º 1
0
  public void testMultiValuedField() throws Exception {
    SearchResponse response =
        client()
            .prepareSearch("idx")
            .addAggregation(
                dateHistogram("histo")
                    .field("dates")
                    .dateHistogramInterval(DateHistogramInterval.MONTH)
                    .minDocCount(0)
                    .subAggregation(derivative("deriv", "_count")))
            .execute()
            .actionGet();

    assertSearchResponse(response);

    Histogram deriv = response.getAggregations().get("histo");
    assertThat(deriv, notNullValue());
    assertThat(deriv.getName(), equalTo("histo"));
    List<? extends Bucket> buckets = deriv.getBuckets();
    assertThat(buckets.size(), equalTo(4));

    DateTime key = new DateTime(2012, 1, 1, 0, 0, DateTimeZone.UTC);
    Histogram.Bucket bucket = buckets.get(0);
    assertThat(bucket, notNullValue());
    assertThat((DateTime) bucket.getKey(), equalTo(key));
    assertThat(bucket.getDocCount(), equalTo(1L));
    assertThat(bucket.getAggregations().asList().isEmpty(), is(true));
    SimpleValue docCountDeriv = bucket.getAggregations().get("deriv");
    assertThat(docCountDeriv, nullValue());

    key = new DateTime(2012, 2, 1, 0, 0, DateTimeZone.UTC);
    bucket = buckets.get(1);
    assertThat(bucket, notNullValue());
    assertThat((DateTime) bucket.getKey(), equalTo(key));
    assertThat(bucket.getDocCount(), equalTo(3L));
    assertThat(bucket.getAggregations().asList().isEmpty(), is(false));
    docCountDeriv = bucket.getAggregations().get("deriv");
    assertThat(docCountDeriv, notNullValue());
    assertThat(docCountDeriv.value(), equalTo(2.0));

    key = new DateTime(2012, 3, 1, 0, 0, DateTimeZone.UTC);
    bucket = buckets.get(2);
    assertThat(bucket, notNullValue());
    assertThat((DateTime) bucket.getKey(), equalTo(key));
    assertThat(bucket.getDocCount(), equalTo(5L));
    assertThat(bucket.getAggregations().asList().isEmpty(), is(false));
    docCountDeriv = bucket.getAggregations().get("deriv");
    assertThat(docCountDeriv, notNullValue());
    assertThat(docCountDeriv.value(), equalTo(2.0));

    key = new DateTime(2012, 4, 1, 0, 0, DateTimeZone.UTC);
    bucket = buckets.get(3);
    assertThat(bucket, notNullValue());
    assertThat((DateTime) bucket.getKey(), equalTo(key));
    assertThat(bucket.getDocCount(), equalTo(3L));
    assertThat(bucket.getAggregations().asList().isEmpty(), is(false));
    docCountDeriv = bucket.getAggregations().get("deriv");
    assertThat(docCountDeriv, notNullValue());
    assertThat(docCountDeriv.value(), equalTo(-2.0));
  }
Ejemplo n.º 2
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  @Test
  public void testDocCount_asSubAgg() throws Exception {
    SearchResponse response =
        client()
            .prepareSearch("idx")
            .addAggregation(
                terms("terms")
                    .field("tag")
                    .order(Order.term(true))
                    .subAggregation(
                        histogram("histo")
                            .field(SINGLE_VALUED_FIELD_NAME)
                            .interval(interval)
                            .extendedBounds((long) minRandomValue, (long) maxRandomValue))
                    .subAggregation(maxBucket("max_bucket").setBucketsPaths("histo>_count")))
            .execute()
            .actionGet();

    assertSearchResponse(response);

    Terms terms = response.getAggregations().get("terms");
    assertThat(terms, notNullValue());
    assertThat(terms.getName(), equalTo("terms"));
    List<Terms.Bucket> termsBuckets = terms.getBuckets();
    assertThat(termsBuckets.size(), equalTo(interval));

    for (int i = 0; i < interval; ++i) {
      Terms.Bucket termsBucket = termsBuckets.get(i);
      assertThat(termsBucket, notNullValue());
      assertThat((String) termsBucket.getKey(), equalTo("tag" + (i % interval)));

      Histogram histo = termsBucket.getAggregations().get("histo");
      assertThat(histo, notNullValue());
      assertThat(histo.getName(), equalTo("histo"));
      List<? extends Bucket> buckets = histo.getBuckets();

      List<String> maxKeys = new ArrayList<>();
      double maxValue = Double.NEGATIVE_INFINITY;
      for (int j = 0; j < numValueBuckets; ++j) {
        Histogram.Bucket bucket = buckets.get(j);
        assertThat(bucket, notNullValue());
        assertThat(((Number) bucket.getKey()).longValue(), equalTo((long) j * interval));
        if (bucket.getDocCount() > maxValue) {
          maxValue = bucket.getDocCount();
          maxKeys = new ArrayList<>();
          maxKeys.add(bucket.getKeyAsString());
        } else if (bucket.getDocCount() == maxValue) {
          maxKeys.add(bucket.getKeyAsString());
        }
      }

      InternalBucketMetricValue maxBucketValue = termsBucket.getAggregations().get("max_bucket");
      assertThat(maxBucketValue, notNullValue());
      assertThat(maxBucketValue.getName(), equalTo("max_bucket"));
      assertThat(maxBucketValue.value(), equalTo(maxValue));
      assertThat(maxBucketValue.keys(), equalTo(maxKeys.toArray(new String[maxKeys.size()])));
    }
  }
Ejemplo n.º 3
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  @Test
  public void testMetric_asSubAggOfSingleBucketAgg() throws Exception {
    SearchResponse response =
        client()
            .prepareSearch("idx")
            .addAggregation(
                filter("filter")
                    .filter(termQuery("tag", "tag0"))
                    .subAggregation(
                        histogram("histo")
                            .field(SINGLE_VALUED_FIELD_NAME)
                            .interval(interval)
                            .extendedBounds((long) minRandomValue, (long) maxRandomValue)
                            .subAggregation(sum("sum").field(SINGLE_VALUED_FIELD_NAME)))
                    .subAggregation(maxBucket("max_bucket").setBucketsPaths("histo>sum")))
            .execute()
            .actionGet();

    assertSearchResponse(response);

    Filter filter = response.getAggregations().get("filter");
    assertThat(filter, notNullValue());
    assertThat(filter.getName(), equalTo("filter"));
    Histogram histo = filter.getAggregations().get("histo");
    assertThat(histo, notNullValue());
    assertThat(histo.getName(), equalTo("histo"));
    List<? extends Bucket> buckets = histo.getBuckets();

    List<String> maxKeys = new ArrayList<>();
    double maxValue = Double.NEGATIVE_INFINITY;
    for (int j = 0; j < numValueBuckets; ++j) {
      Histogram.Bucket bucket = buckets.get(j);
      assertThat(bucket, notNullValue());
      assertThat(((Number) bucket.getKey()).longValue(), equalTo((long) j * interval));
      if (bucket.getDocCount() != 0) {
        Sum sum = bucket.getAggregations().get("sum");
        assertThat(sum, notNullValue());
        if (sum.value() > maxValue) {
          maxValue = sum.value();
          maxKeys = new ArrayList<>();
          maxKeys.add(bucket.getKeyAsString());
        } else if (sum.value() == maxValue) {
          maxKeys.add(bucket.getKeyAsString());
        }
      }
    }

    InternalBucketMetricValue maxBucketValue = filter.getAggregations().get("max_bucket");
    assertThat(maxBucketValue, notNullValue());
    assertThat(maxBucketValue.getName(), equalTo("max_bucket"));
    assertThat(maxBucketValue.value(), equalTo(maxValue));
    assertThat(maxBucketValue.keys(), equalTo(maxKeys.toArray(new String[maxKeys.size()])));
  }
Ejemplo n.º 4
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  public void testSingleValuedFieldNormalised() throws Exception {
    SearchResponse response =
        client()
            .prepareSearch("idx")
            .addAggregation(
                dateHistogram("histo")
                    .field("date")
                    .dateHistogramInterval(DateHistogramInterval.MONTH)
                    .minDocCount(0)
                    .subAggregation(derivative("deriv", "_count").unit(DateHistogramInterval.DAY)))
            .execute()
            .actionGet();

    assertSearchResponse(response);

    Histogram deriv = response.getAggregations().get("histo");
    assertThat(deriv, notNullValue());
    assertThat(deriv.getName(), equalTo("histo"));
    List<? extends Bucket> buckets = deriv.getBuckets();
    assertThat(buckets.size(), equalTo(3));

    DateTime key = new DateTime(2012, 1, 1, 0, 0, DateTimeZone.UTC);
    Histogram.Bucket bucket = buckets.get(0);
    assertThat(bucket, notNullValue());
    assertThat((DateTime) bucket.getKey(), equalTo(key));
    assertThat(bucket.getDocCount(), equalTo(1L));
    Derivative docCountDeriv = bucket.getAggregations().get("deriv");
    assertThat(docCountDeriv, nullValue());

    key = new DateTime(2012, 2, 1, 0, 0, DateTimeZone.UTC);
    bucket = buckets.get(1);
    assertThat(bucket, notNullValue());
    assertThat((DateTime) bucket.getKey(), equalTo(key));
    assertThat(bucket.getDocCount(), equalTo(2L));
    docCountDeriv = bucket.getAggregations().get("deriv");
    assertThat(docCountDeriv, notNullValue());
    assertThat(docCountDeriv.value(), closeTo(1d, 0.00001));
    assertThat(docCountDeriv.normalizedValue(), closeTo(1d / 31d, 0.00001));

    key = new DateTime(2012, 3, 1, 0, 0, DateTimeZone.UTC);
    bucket = buckets.get(2);
    assertThat(bucket, notNullValue());
    assertThat((DateTime) bucket.getKey(), equalTo(key));
    assertThat(bucket.getDocCount(), equalTo(3L));
    docCountDeriv = bucket.getAggregations().get("deriv");
    assertThat(docCountDeriv, notNullValue());
    assertThat(docCountDeriv.value(), closeTo(1d, 0.00001));
    assertThat(docCountDeriv.normalizedValue(), closeTo(1d / 29d, 0.00001));
  }
Ejemplo n.º 5
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  public void testUnmapped() throws Exception {
    SearchResponse response =
        client()
            .prepareSearch("idx_unmapped")
            .addAggregation(
                dateHistogram("histo")
                    .field("date")
                    .dateHistogramInterval(DateHistogramInterval.MONTH)
                    .minDocCount(0)
                    .subAggregation(derivative("deriv", "_count")))
            .execute()
            .actionGet();

    assertSearchResponse(response);

    Histogram deriv = response.getAggregations().get("histo");
    assertThat(deriv, notNullValue());
    assertThat(deriv.getName(), equalTo("histo"));
    assertThat(deriv.getBuckets().size(), equalTo(0));
  }
Ejemplo n.º 6
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  public void testSingleValuedFieldWithSubAggregation() throws Exception {
    SearchResponse response =
        client()
            .prepareSearch("idx")
            .addAggregation(
                dateHistogram("histo")
                    .field("date")
                    .dateHistogramInterval(DateHistogramInterval.MONTH)
                    .minDocCount(0)
                    .subAggregation(sum("sum").field("value"))
                    .subAggregation(derivative("deriv", "sum")))
            .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(3));
    Object[] propertiesKeys = (Object[]) histo.getProperty("_key");
    Object[] propertiesDocCounts = (Object[]) histo.getProperty("_count");
    Object[] propertiesCounts = (Object[]) histo.getProperty("sum.value");

    DateTime key = new DateTime(2012, 1, 1, 0, 0, DateTimeZone.UTC);
    Histogram.Bucket bucket = buckets.get(0);
    assertThat(bucket, notNullValue());
    assertThat((DateTime) bucket.getKey(), equalTo(key));
    assertThat(bucket.getDocCount(), equalTo(1L));
    assertThat(bucket.getAggregations().asList().isEmpty(), is(false));
    Sum sum = bucket.getAggregations().get("sum");
    assertThat(sum, notNullValue());
    assertThat(sum.getValue(), equalTo(1.0));
    SimpleValue deriv = bucket.getAggregations().get("deriv");
    assertThat(deriv, nullValue());
    assertThat((DateTime) propertiesKeys[0], equalTo(key));
    assertThat((long) propertiesDocCounts[0], equalTo(1L));
    assertThat((double) propertiesCounts[0], equalTo(1.0));

    key = new DateTime(2012, 2, 1, 0, 0, DateTimeZone.UTC);
    bucket = buckets.get(1);
    assertThat(bucket, notNullValue());
    assertThat((DateTime) bucket.getKey(), equalTo(key));
    assertThat(bucket.getDocCount(), equalTo(2L));
    assertThat(bucket.getAggregations().asList().isEmpty(), is(false));
    sum = bucket.getAggregations().get("sum");
    assertThat(sum, notNullValue());
    assertThat(sum.getValue(), equalTo(5.0));
    deriv = bucket.getAggregations().get("deriv");
    assertThat(deriv, notNullValue());
    assertThat(deriv.value(), equalTo(4.0));
    assertThat(
        (double)
            bucket.getProperty(
                "histo", AggregationPath.parse("deriv.value").getPathElementsAsStringList()),
        equalTo(4.0));
    assertThat((DateTime) propertiesKeys[1], equalTo(key));
    assertThat((long) propertiesDocCounts[1], equalTo(2L));
    assertThat((double) propertiesCounts[1], equalTo(5.0));

    key = new DateTime(2012, 3, 1, 0, 0, DateTimeZone.UTC);
    bucket = buckets.get(2);
    assertThat(bucket, notNullValue());
    assertThat((DateTime) bucket.getKey(), equalTo(key));
    assertThat(bucket.getDocCount(), equalTo(3L));
    assertThat(bucket.getAggregations().asList().isEmpty(), is(false));
    sum = bucket.getAggregations().get("sum");
    assertThat(sum, notNullValue());
    assertThat(sum.getValue(), equalTo(15.0));
    deriv = bucket.getAggregations().get("deriv");
    assertThat(deriv, notNullValue());
    assertThat(deriv.value(), equalTo(10.0));
    assertThat(
        (double)
            bucket.getProperty(
                "histo", AggregationPath.parse("deriv.value").getPathElementsAsStringList()),
        equalTo(10.0));
    assertThat((DateTime) propertiesKeys[2], equalTo(key));
    assertThat((long) propertiesDocCounts[2], equalTo(3L));
    assertThat((double) propertiesCounts[2], equalTo(15.0));
  }
Ejemplo n.º 7
0
  /**
   * also check for time zone shifts that are not one hour, e.g. "Asia/Kathmandu, 1 Jan 1986 - Time
   * Zone Change (IST → NPT), at 00:00:00 clocks were turned forward 00:15 minutes
   */
  public void testSingleValuedFieldNormalised_timeZone_AsiaKathmandu() throws Exception {
    createIndex(IDX_DST_KATHMANDU);
    DateTimeZone timezone = DateTimeZone.forID("Asia/Kathmandu");
    List<IndexRequestBuilder> builders = new ArrayList<>();

    addNTimes(1, IDX_DST_KATHMANDU, new DateTime("1985-12-31T22:30:00", timezone), builders);
    // the shift happens during the next bucket, which includes the 45min that do not start on the
    // full hour
    addNTimes(2, IDX_DST_KATHMANDU, new DateTime("1985-12-31T23:30:00", timezone), builders);
    addNTimes(3, IDX_DST_KATHMANDU, new DateTime("1986-01-01T01:30:00", timezone), builders);
    addNTimes(4, IDX_DST_KATHMANDU, new DateTime("1986-01-01T02:30:00", timezone), builders);
    indexRandom(true, builders);
    ensureSearchable();

    SearchResponse response =
        client()
            .prepareSearch(IDX_DST_KATHMANDU)
            .addAggregation(
                dateHistogram("histo")
                    .field("date")
                    .dateHistogramInterval(DateHistogramInterval.HOUR)
                    .timeZone(timezone)
                    .minDocCount(0)
                    .subAggregation(
                        derivative("deriv", "_count").unit(DateHistogramInterval.MINUTE)))
            .execute()
            .actionGet();

    assertSearchResponse(response);

    Histogram deriv = response.getAggregations().get("histo");
    assertThat(deriv, notNullValue());
    assertThat(deriv.getName(), equalTo("histo"));
    List<? extends Bucket> buckets = deriv.getBuckets();
    assertThat(buckets.size(), equalTo(4));

    assertBucket(
        buckets.get(0),
        new DateTime("1985-12-31T22:00:00", timezone).toDateTime(DateTimeZone.UTC),
        1L,
        nullValue(),
        null,
        null);
    assertBucket(
        buckets.get(1),
        new DateTime("1985-12-31T23:00:00", timezone).toDateTime(DateTimeZone.UTC),
        2L,
        notNullValue(),
        1d,
        1d / 60d);
    // the following is normalized using a 105min bucket width
    assertBucket(
        buckets.get(2),
        new DateTime("1986-01-01T01:00:00", timezone).toDateTime(DateTimeZone.UTC),
        3L,
        notNullValue(),
        1d,
        1d / 105d);
    assertBucket(
        buckets.get(3),
        new DateTime("1986-01-01T02:00:00", timezone).toDateTime(DateTimeZone.UTC),
        4L,
        notNullValue(),
        1d,
        1d / 60d);
  }
Ejemplo n.º 8
0
  /** Do a derivative on a date histogram with time zone CET at DST end */
  public void testSingleValuedFieldNormalised_timeZone_CET_DstEnd() throws Exception {
    createIndex(IDX_DST_END);
    DateTimeZone timezone = DateTimeZone.forID("CET");
    List<IndexRequestBuilder> builders = new ArrayList<>();

    addNTimes(1, IDX_DST_END, new DateTime("2012-10-27T01:00:00", timezone), builders);
    addNTimes(
        2,
        IDX_DST_END,
        new DateTime("2012-10-28T01:00:00", timezone),
        builders); // day with dst shift -1h, 25h long
    addNTimes(3, IDX_DST_END, new DateTime("2012-10-29T01:00:00", timezone), builders);
    addNTimes(4, IDX_DST_END, new DateTime("2012-10-30T01:00:00", timezone), builders);
    indexRandom(true, builders);
    ensureSearchable();

    SearchResponse response =
        client()
            .prepareSearch(IDX_DST_END)
            .addAggregation(
                dateHistogram("histo")
                    .field("date")
                    .dateHistogramInterval(DateHistogramInterval.DAY)
                    .timeZone(timezone)
                    .minDocCount(0)
                    .subAggregation(derivative("deriv", "_count").unit(DateHistogramInterval.HOUR)))
            .execute()
            .actionGet();

    assertSearchResponse(response);

    Histogram deriv = response.getAggregations().get("histo");
    assertThat(deriv, notNullValue());
    assertThat(deriv.getName(), equalTo("histo"));
    List<? extends Bucket> buckets = deriv.getBuckets();
    assertThat(buckets.size(), equalTo(4));

    assertBucket(
        buckets.get(0),
        new DateTime("2012-10-27", timezone).toDateTime(DateTimeZone.UTC),
        1L,
        nullValue(),
        null,
        null);
    assertBucket(
        buckets.get(1),
        new DateTime("2012-10-28", timezone).toDateTime(DateTimeZone.UTC),
        2L,
        notNullValue(),
        1d,
        1d / 24d);
    // the following is normalized using a 25h bucket width
    assertBucket(
        buckets.get(2),
        new DateTime("2012-10-29", timezone).toDateTime(DateTimeZone.UTC),
        3L,
        notNullValue(),
        1d,
        1d / 25d);
    assertBucket(
        buckets.get(3),
        new DateTime("2012-10-30", timezone).toDateTime(DateTimeZone.UTC),
        4L,
        notNullValue(),
        1d,
        1d / 24d);
  }