// https://github.com/elasticsearch/elasticsearch/issues/6435 public void testReduce() throws Exception { createIndex("idx"); final int value = randomIntBetween(0, 10); indexRandom(true, client().prepareIndex("idx", "type").setSource("f", value)); ensureYellow("idx"); // only one document let's make sure all shards have an active primary SearchResponse response = client() .prepareSearch("idx") .addAggregation( filter("filter") .filter(FilterBuilders.matchAllFilter()) .subAggregation( range("range") .field("f") .addUnboundedTo(6) .addUnboundedFrom(6) .subAggregation(sum("sum").field("f")))) .execute() .actionGet(); assertSearchResponse(response); Filter filter = response.getAggregations().get("filter"); assertNotNull(filter); assertEquals(1, filter.getDocCount()); Range range = filter.getAggregations().get("range"); assertThat(range, notNullValue()); assertThat(range.getName(), equalTo("range")); assertThat(range.getBuckets().size(), equalTo(2)); Range.Bucket bucket = range.getBucketByKey("*-6.0"); assertThat(bucket, notNullValue()); assertThat(bucket.getKey(), equalTo("*-6.0")); assertThat(bucket.getFrom().doubleValue(), equalTo(Double.NEGATIVE_INFINITY)); assertThat(bucket.getTo().doubleValue(), equalTo(6.0)); assertThat(bucket.getDocCount(), equalTo(value < 6 ? 1L : 0L)); Sum sum = bucket.getAggregations().get("sum"); assertEquals(value < 6 ? value : 0, sum.getValue(), 0d); bucket = range.getBucketByKey("6.0-*"); assertThat(bucket, notNullValue()); assertThat(bucket.getKey(), equalTo("6.0-*")); assertThat(bucket.getFrom().doubleValue(), equalTo(6.0)); assertThat(bucket.getTo().doubleValue(), equalTo(Double.POSITIVE_INFINITY)); assertThat(bucket.getDocCount(), equalTo(value >= 6 ? 1L : 0L)); sum = bucket.getAggregations().get("sum"); assertEquals(value >= 6 ? value : 0, sum.getValue(), 0d); }