@Test
public void testNoBuckets() throws Exception {
SearchResponse response =
client()
.prepareSearch("idx")
.addAggregation(
terms("terms")
.field("tag")
.exclude("tag.*")
.subAggregation(sum("sum").field(SINGLE_VALUED_FIELD_NAME)))
.addAggregation(maxBucket("max_bucket").setBucketsPaths("terms>sum"))
.execute()
.actionGet();
assertSearchResponse(response);
Terms terms = response.getAggregations().get("terms");
assertThat(terms, notNullValue());
assertThat(terms.getName(), equalTo("terms"));
List<Terms.Bucket> buckets = terms.getBuckets();
assertThat(buckets.size(), equalTo(0));
InternalBucketMetricValue maxBucketValue = response.getAggregations().get("max_bucket");
assertThat(maxBucketValue, notNullValue());
assertThat(maxBucketValue.getName(), equalTo("max_bucket"));
assertThat(maxBucketValue.value(), equalTo(Double.NEGATIVE_INFINITY));
assertThat(maxBucketValue.keys(), equalTo(new String[0]));
}
@Test
public void singleValueField_WithMaxSize() throws Exception {
SearchResponse response =
client()
.prepareSearch("idx")
.setTypes("high_card_type")
.addAggregation(
terms("terms")
.executionHint(randomExecutionHint())
.field(SINGLE_VALUED_FIELD_NAME)
.size(20)
.order(
Terms.Order.term(
true))) // we need to sort by terms cause we're checking the first 20
// values
.execute()
.actionGet();
assertSearchResponse(response);
Terms terms = response.getAggregations().get("terms");
assertThat(terms, notNullValue());
assertThat(terms.getName(), equalTo("terms"));
assertThat(terms.getBuckets().size(), equalTo(20));
for (int i = 0; i < 20; i++) {
Terms.Bucket bucket = terms.getBucketByKey("val" + Strings.padStart(i + "", 3, '0'));
assertThat(bucket, notNullValue());
assertThat(key(bucket), equalTo("val" + Strings.padStart(i + "", 3, '0')));
assertThat(bucket.getDocCount(), equalTo(1l));
}
}
@Test
public void singleValuedField_OrderedBySingleValueSubAggregationAsc() throws Exception {
boolean asc = true;
SearchResponse response =
client()
.prepareSearch("idx")
.setTypes("type")
.addAggregation(
terms("terms")
.executionHint(randomExecutionHint())
.field(SINGLE_VALUED_FIELD_NAME)
.order(Terms.Order.aggregation("avg_i", asc))
.subAggregation(avg("avg_i").field("i")))
.execute()
.actionGet();
assertSearchResponse(response);
Terms terms = response.getAggregations().get("terms");
assertThat(terms, notNullValue());
assertThat(terms.getName(), equalTo("terms"));
assertThat(terms.getBuckets().size(), equalTo(5));
int i = 0;
for (Terms.Bucket bucket : terms.getBuckets()) {
assertThat(bucket, notNullValue());
assertThat(key(bucket), equalTo("val" + i));
assertThat(bucket.getDocCount(), equalTo(1l));
Avg avg = bucket.getAggregations().get("avg_i");
assertThat(avg, notNullValue());
assertThat(avg.getValue(), equalTo((double) i));
i++;
}
}
@Test
public void script_MultiValued() throws Exception {
SearchResponse response =
client()
.prepareSearch("idx")
.setTypes("type")
.addAggregation(
terms("terms")
.executionHint(randomExecutionHint())
.script("doc['" + MULTI_VALUED_FIELD_NAME + "'].values"))
.execute()
.actionGet();
assertSearchResponse(response);
Terms terms = response.getAggregations().get("terms");
assertThat(terms, notNullValue());
assertThat(terms.getName(), equalTo("terms"));
assertThat(terms.getBuckets().size(), equalTo(6));
for (int i = 0; i < 6; i++) {
Terms.Bucket bucket = terms.getBucketByKey("val" + i);
assertThat(bucket, notNullValue());
assertThat(key(bucket), equalTo("val" + i));
if (i == 0 || i == 5) {
assertThat(bucket.getDocCount(), equalTo(1l));
} else {
assertThat(bucket.getDocCount(), equalTo(2l));
}
}
}
@Test
public void script_SingleValue_WithSubAggregator_Inherited() throws Exception {
SearchResponse response =
client()
.prepareSearch("idx")
.setTypes("type")
.addAggregation(
terms("terms")
.executionHint(randomExecutionHint())
.script("doc['" + SINGLE_VALUED_FIELD_NAME + "'].value")
.subAggregation(count("count")))
.execute()
.actionGet();
assertSearchResponse(response);
Terms terms = response.getAggregations().get("terms");
assertThat(terms, notNullValue());
assertThat(terms.getName(), equalTo("terms"));
assertThat(terms.getBuckets().size(), equalTo(5));
for (int i = 0; i < 5; i++) {
Terms.Bucket bucket = terms.getBucketByKey("val" + i);
assertThat(bucket, notNullValue());
assertThat(key(bucket), equalTo("val" + i));
assertThat(bucket.getDocCount(), equalTo(1l));
ValueCount valueCount = bucket.getAggregations().get("count");
assertThat(valueCount, notNullValue());
assertThat(valueCount.getValue(), equalTo(1l));
}
}
@Test
// the main purpose of this test is to make sure we're not allocating 2GB of memory per shard
public void sizeIsZero() {
final int minDocCount = randomInt(1);
SearchResponse response =
client()
.prepareSearch("idx")
.setTypes("high_card_type")
.addAggregation(
terms("terms")
.executionHint(randomExecutionHint())
.field(SINGLE_VALUED_FIELD_NAME)
.minDocCount(minDocCount)
.size(0))
.execute()
.actionGet();
assertSearchResponse(response);
Terms terms = response.getAggregations().get("terms");
assertThat(terms, notNullValue());
assertThat(terms.getName(), equalTo("terms"));
assertThat(
terms.getBuckets().size(),
equalTo(minDocCount == 0 ? 105 : 100)); // 105 because of the other type
}
@Test
public void partiallyUnmapped() throws Exception {
SearchResponse response =
client()
.prepareSearch("idx", "idx_unmapped")
.setTypes("type")
.addAggregation(
terms("terms").executionHint(randomExecutionHint()).field(SINGLE_VALUED_FIELD_NAME))
.execute()
.actionGet();
assertSearchResponse(response);
Terms terms = response.getAggregations().get("terms");
assertThat(terms, notNullValue());
assertThat(terms.getName(), equalTo("terms"));
assertThat(terms.getBuckets().size(), equalTo(5));
for (int i = 0; i < 5; i++) {
Terms.Bucket bucket = terms.getBucketByKey("val" + i);
assertThat(bucket, notNullValue());
assertThat(key(bucket), equalTo("val" + i));
assertThat(bucket.getDocCount(), equalTo(1l));
}
}
@Test
public void stringTermsNestedIntoPerBucketAggregator() throws Exception {
// no execution hint so that the logic that decides whether or not to use ordinals is executed
SearchResponse response =
client()
.prepareSearch("idx")
.setTypes("type")
.addAggregation(
filter("filter")
.filter(termFilter(MULTI_VALUED_FIELD_NAME, "val3"))
.subAggregation(terms("terms").field(MULTI_VALUED_FIELD_NAME)))
.execute()
.actionGet();
assertThat(response.getFailedShards(), equalTo(0));
Filter filter = response.getAggregations().get("filter");
Terms terms = filter.getAggregations().get("terms");
assertThat(terms, notNullValue());
assertThat(terms.getName(), equalTo("terms"));
assertThat(terms.getBuckets().size(), equalTo(3));
for (int i = 2; i <= 4; i++) {
Terms.Bucket bucket = terms.getBucketByKey("val" + i);
assertThat(bucket, notNullValue());
assertThat(key(bucket), equalTo("val" + i));
assertThat(bucket.getDocCount(), equalTo(i == 3 ? 2L : 1L));
}
}
@Test
public void singleValueField_OrderedByTermDesc() throws Exception {
SearchResponse response =
client()
.prepareSearch("idx")
.setTypes("type")
.addAggregation(
terms("terms")
.executionHint(randomExecutionHint())
.field(SINGLE_VALUED_FIELD_NAME)
.order(Terms.Order.term(false)))
.execute()
.actionGet();
assertSearchResponse(response);
Terms terms = response.getAggregations().get("terms");
assertThat(terms, notNullValue());
assertThat(terms.getName(), equalTo("terms"));
assertThat(terms.getBuckets().size(), equalTo(5));
int i = 4;
for (Terms.Bucket bucket : terms.getBuckets()) {
assertThat(bucket, notNullValue());
assertThat(key(bucket), equalTo("val" + i));
assertThat(bucket.getDocCount(), equalTo(1l));
i--;
}
}
@Test
public void multiValuedField_WithValueScript_NotUnique() throws Exception {
SearchResponse response =
client()
.prepareSearch("idx")
.setTypes("type")
.addAggregation(
terms("terms")
.executionHint(randomExecutionHint())
.field(MULTI_VALUED_FIELD_NAME)
.script("_value.substring(0,3)"))
.execute()
.actionGet();
assertSearchResponse(response);
Terms terms = response.getAggregations().get("terms");
assertThat(terms, notNullValue());
assertThat(terms.getName(), equalTo("terms"));
assertThat(terms.getBuckets().size(), equalTo(1));
Terms.Bucket bucket = terms.getBucketByKey("val");
assertThat(bucket, notNullValue());
assertThat(key(bucket), equalTo("val"));
assertThat(bucket.getDocCount(), equalTo(5l));
}
@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()])));
}
}
private void assertNoDocCountErrorSingleResponse(int size, SearchResponse testResponse) {
Terms testTerms = testResponse.getAggregations().get("terms");
assertThat(testTerms, notNullValue());
assertThat(testTerms.getName(), equalTo("terms"));
assertThat(testTerms.getDocCountError(), equalTo(0L));
Collection<Bucket> testBuckets = testTerms.getBuckets();
assertThat(testBuckets.size(), lessThanOrEqualTo(size));
for (Terms.Bucket testBucket : testBuckets) {
assertThat(testBucket, notNullValue());
assertThat(testBucket.getDocCountError(), equalTo(0L));
}
}
private void assertUnboundedDocCountError(
int size, SearchResponse accurateResponse, SearchResponse testResponse) {
Terms accurateTerms = accurateResponse.getAggregations().get("terms");
assertThat(accurateTerms, notNullValue());
assertThat(accurateTerms.getName(), equalTo("terms"));
assertThat(accurateTerms.getDocCountError(), equalTo(0L));
Terms testTerms = testResponse.getAggregations().get("terms");
assertThat(testTerms, notNullValue());
assertThat(testTerms.getName(), equalTo("terms"));
assertThat(testTerms.getDocCountError(), anyOf(equalTo(-1L), equalTo(0L)));
Collection<Bucket> testBuckets = testTerms.getBuckets();
assertThat(testBuckets.size(), lessThanOrEqualTo(size));
assertThat(accurateTerms.getBuckets().size(), greaterThanOrEqualTo(testBuckets.size()));
for (Terms.Bucket testBucket : testBuckets) {
assertThat(testBucket, notNullValue());
Terms.Bucket accurateBucket = accurateTerms.getBucketByKey(testBucket.getKeyAsString());
assertThat(accurateBucket, notNullValue());
assertThat(accurateBucket.getDocCountError(), equalTo(0L));
assertThat(testBucket.getDocCountError(), anyOf(equalTo(-1L), equalTo(0L)));
}
}
@Test
public void testMetric_topLevel() throws Exception {
SearchResponse response =
client()
.prepareSearch("idx")
.addAggregation(
terms("terms")
.field("tag")
.subAggregation(sum("sum").field(SINGLE_VALUED_FIELD_NAME)))
.addAggregation(maxBucket("max_bucket").setBucketsPaths("terms>sum"))
.execute()
.actionGet();
assertSearchResponse(response);
Terms terms = response.getAggregations().get("terms");
assertThat(terms, notNullValue());
assertThat(terms.getName(), equalTo("terms"));
List<Terms.Bucket> buckets = terms.getBuckets();
assertThat(buckets.size(), equalTo(interval));
List<String> maxKeys = new ArrayList<>();
double maxValue = Double.NEGATIVE_INFINITY;
for (int i = 0; i < interval; ++i) {
Terms.Bucket bucket = buckets.get(i);
assertThat(bucket, notNullValue());
assertThat((String) bucket.getKey(), equalTo("tag" + (i % interval)));
assertThat(bucket.getDocCount(), greaterThan(0l));
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 = response.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()])));
}
@Test
public void singleValuedField_OrderedBySingleBucketSubAggregationAsc() throws Exception {
boolean asc = randomBoolean();
SearchResponse response =
client()
.prepareSearch("idx")
.setTypes("type")
.addAggregation(
terms("tags")
.executionHint(randomExecutionHint())
.field("tag")
.order(Terms.Order.aggregation("filter", asc))
.subAggregation(filter("filter").filter(FilterBuilders.matchAllFilter())))
.execute()
.actionGet();
assertSearchResponse(response);
Terms tags = response.getAggregations().get("tags");
assertThat(tags, notNullValue());
assertThat(tags.getName(), equalTo("tags"));
assertThat(tags.getBuckets().size(), equalTo(2));
Iterator<Terms.Bucket> iters = tags.getBuckets().iterator();
Terms.Bucket tag = iters.next();
assertThat(tag, notNullValue());
assertThat(key(tag), equalTo(asc ? "less" : "more"));
assertThat(tag.getDocCount(), equalTo(asc ? 2l : 3l));
Filter filter = tag.getAggregations().get("filter");
assertThat(filter, notNullValue());
assertThat(filter.getDocCount(), equalTo(asc ? 2l : 3l));
tag = iters.next();
assertThat(tag, notNullValue());
assertThat(key(tag), equalTo(asc ? "more" : "less"));
assertThat(tag.getDocCount(), equalTo(asc ? 3l : 2l));
filter = tag.getAggregations().get("filter");
assertThat(filter, notNullValue());
assertThat(filter.getDocCount(), equalTo(asc ? 3l : 2l));
}
@Test
public void unmapped() throws Exception {
SearchResponse response =
client()
.prepareSearch("idx_unmapped")
.setTypes("type")
.addAggregation(
terms("terms")
.executionHint(randomExecutionHint())
.size(randomInt(5))
.field(SINGLE_VALUED_FIELD_NAME))
.execute()
.actionGet();
assertSearchResponse(response);
Terms terms = response.getAggregations().get("terms");
assertThat(terms, notNullValue());
assertThat(terms.getName(), equalTo("terms"));
assertThat(terms.getBuckets().size(), equalTo(0));
}
@Test
public void emptyAggregation() throws Exception {
prepareCreate("empty_bucket_idx")
.addMapping("type", SINGLE_VALUED_FIELD_NAME, "type=integer")
.execute()
.actionGet();
List<IndexRequestBuilder> builders = new ArrayList<IndexRequestBuilder>();
for (int i = 0; i < 2; i++) {
builders.add(
client()
.prepareIndex("empty_bucket_idx", "type", "" + i)
.setSource(
jsonBuilder().startObject().field(SINGLE_VALUED_FIELD_NAME, i * 2).endObject()));
}
indexRandom(true, builders.toArray(new IndexRequestBuilder[builders.size()]));
SearchResponse searchResponse =
client()
.prepareSearch("empty_bucket_idx")
.setQuery(matchAllQuery())
.addAggregation(
histogram("histo")
.field(SINGLE_VALUED_FIELD_NAME)
.interval(1l)
.minDocCount(0)
.subAggregation(terms("terms")))
.execute()
.actionGet();
assertThat(searchResponse.getHits().getTotalHits(), equalTo(2l));
Histogram histo = searchResponse.getAggregations().get("histo");
assertThat(histo, Matchers.notNullValue());
Histogram.Bucket bucket = histo.getBucketByKey(1l);
assertThat(bucket, Matchers.notNullValue());
Terms terms = bucket.getAggregations().get("terms");
assertThat(terms, Matchers.notNullValue());
assertThat(terms.getName(), equalTo("terms"));
assertThat(terms.getBuckets().isEmpty(), is(true));
}
@Test
public void multiValuedField_WithValueScript_WithInheritedSubAggregator() throws Exception {
SearchResponse response =
client()
.prepareSearch("idx")
.setTypes("type")
.addAggregation(
terms("terms")
.executionHint(randomExecutionHint())
.field(MULTI_VALUED_FIELD_NAME)
.script("'foo_' + _value")
.subAggregation(count("count")))
.execute()
.actionGet();
assertSearchResponse(response);
Terms terms = response.getAggregations().get("terms");
assertThat(terms, notNullValue());
assertThat(terms.getName(), equalTo("terms"));
assertThat(terms.getBuckets().size(), equalTo(6));
for (int i = 0; i < 6; i++) {
Terms.Bucket bucket = terms.getBucketByKey("foo_val" + i);
assertThat(bucket, notNullValue());
assertThat(key(bucket), equalTo("foo_val" + i));
if (i == 0 | i == 5) {
assertThat(bucket.getDocCount(), equalTo(1l));
ValueCount valueCount = bucket.getAggregations().get("count");
assertThat(valueCount, notNullValue());
assertThat(valueCount.getValue(), equalTo(2l));
} else {
assertThat(bucket.getDocCount(), equalTo(2l));
ValueCount valueCount = bucket.getAggregations().get("count");
assertThat(valueCount, notNullValue());
assertThat("term[" + key(bucket) + "]", valueCount.getValue(), equalTo(4l));
}
}
}
@Test
public void singleValuedField_OrderedBySubAggregationAsc_MultiHierarchyLevels() throws Exception {
boolean asc = randomBoolean();
SearchResponse response =
client()
.prepareSearch("idx")
.setTypes("type")
.addAggregation(
terms("tags")
.executionHint(randomExecutionHint())
.field("tag")
.order(Terms.Order.aggregation("filter1>filter2>stats.max", asc))
.subAggregation(
filter("filter1")
.filter(FilterBuilders.matchAllFilter())
.subAggregation(
filter("filter2")
.filter(FilterBuilders.matchAllFilter())
.subAggregation(stats("stats").field("i")))))
.execute()
.actionGet();
assertSearchResponse(response);
Terms tags = response.getAggregations().get("tags");
assertThat(tags, notNullValue());
assertThat(tags.getName(), equalTo("tags"));
assertThat(tags.getBuckets().size(), equalTo(2));
Iterator<Terms.Bucket> iters = tags.getBuckets().iterator();
// the max for "more" is 2
// the max for "less" is 4
Terms.Bucket tag = iters.next();
assertThat(tag, notNullValue());
assertThat(key(tag), equalTo(asc ? "more" : "less"));
assertThat(tag.getDocCount(), equalTo(asc ? 3l : 2l));
Filter filter1 = tag.getAggregations().get("filter1");
assertThat(filter1, notNullValue());
assertThat(filter1.getDocCount(), equalTo(asc ? 3l : 2l));
Filter filter2 = filter1.getAggregations().get("filter2");
assertThat(filter2, notNullValue());
assertThat(filter2.getDocCount(), equalTo(asc ? 3l : 2l));
Stats stats = filter2.getAggregations().get("stats");
assertThat(stats, notNullValue());
assertThat(stats.getMax(), equalTo(asc ? 2.0 : 4.0));
tag = iters.next();
assertThat(tag, notNullValue());
assertThat(key(tag), equalTo(asc ? "less" : "more"));
assertThat(tag.getDocCount(), equalTo(asc ? 2l : 3l));
filter1 = tag.getAggregations().get("filter1");
assertThat(filter1, notNullValue());
assertThat(filter1.getDocCount(), equalTo(asc ? 2l : 3l));
filter2 = filter1.getAggregations().get("filter2");
assertThat(filter2, notNullValue());
assertThat(filter2.getDocCount(), equalTo(asc ? 2l : 3l));
stats = filter2.getAggregations().get("stats");
assertThat(stats, notNullValue());
assertThat(stats.getMax(), equalTo(asc ? 4.0 : 2.0));
}
@Test
public void singleValueField_WithRegexFiltering() throws Exception {
// include without exclude
// we should be left with: val000, val001, val002, val003, val004, val005, val006, val007,
// val008, val009
SearchResponse response =
client()
.prepareSearch("idx")
.setTypes("high_card_type")
.addAggregation(terms("terms").field(SINGLE_VALUED_FIELD_NAME).include("val00.+"))
.execute()
.actionGet();
assertSearchResponse(response);
Terms terms = response.getAggregations().get("terms");
assertThat(terms, notNullValue());
assertThat(terms.getName(), equalTo("terms"));
assertThat(terms.getBuckets().size(), equalTo(10));
for (int i = 0; i < 10; i++) {
Terms.Bucket bucket = terms.getBucketByKey("val00" + i);
assertThat(bucket, notNullValue());
assertThat(key(bucket), equalTo("val00" + i));
assertThat(bucket.getDocCount(), equalTo(1l));
}
// include and exclude
// we should be left with: val002, val003, val004, val005, val006, val007, val008, val009
response =
client()
.prepareSearch("idx")
.setTypes("high_card_type")
.addAggregation(
terms("terms")
.field(SINGLE_VALUED_FIELD_NAME)
.include("val00.+")
.exclude("(val000|val001)"))
.execute()
.actionGet();
assertSearchResponse(response);
terms = response.getAggregations().get("terms");
assertThat(terms, notNullValue());
assertThat(terms.getName(), equalTo("terms"));
assertThat(terms.getBuckets().size(), equalTo(8));
for (int i = 2; i < 10; i++) {
Terms.Bucket bucket = terms.getBucketByKey("val00" + i);
assertThat(bucket, notNullValue());
assertThat(key(bucket), equalTo("val00" + i));
assertThat(bucket.getDocCount(), equalTo(1l));
}
// exclude without include
// we should be left with: val000, val001, val002, val003, val004, val005, val006, val007,
// val008, val009
response =
client()
.prepareSearch("idx")
.setTypes("high_card_type")
.addAggregation(terms("terms").field(SINGLE_VALUED_FIELD_NAME).exclude("val0[1-9]+.+"))
.execute()
.actionGet();
assertSearchResponse(response);
terms = response.getAggregations().get("terms");
assertThat(terms, notNullValue());
assertThat(terms.getName(), equalTo("terms"));
assertThat(terms.getBuckets().size(), equalTo(10));
for (int i = 0; i < 10; i++) {
Terms.Bucket bucket = terms.getBucketByKey("val00" + i);
assertThat(bucket, notNullValue());
assertThat(key(bucket), equalTo("val00" + i));
assertThat(bucket.getDocCount(), equalTo(1l));
}
}
@Test
public void singleValueField_WithRegexFiltering_WithFlags() throws Exception {
// include without exclude
// we should be left with: val000, val001, val002, val003, val004, val005, val006, val007,
// val008, val009
// with case insensitive flag on the include regex
SearchResponse response =
client()
.prepareSearch("idx")
.setTypes("high_card_type")
.addAggregation(
terms("terms")
.field(SINGLE_VALUED_FIELD_NAME)
.include("VAL00.+", Pattern.CASE_INSENSITIVE))
.execute()
.actionGet();
assertSearchResponse(response);
Terms terms = response.getAggregations().get("terms");
assertThat(terms, notNullValue());
assertThat(terms.getName(), equalTo("terms"));
assertThat(terms.getBuckets().size(), equalTo(10));
for (int i = 0; i < 10; i++) {
Terms.Bucket bucket = terms.getBucketByKey("val00" + i);
assertThat(bucket, notNullValue());
assertThat(key(bucket), equalTo("val00" + i));
assertThat(bucket.getDocCount(), equalTo(1l));
}
// include and exclude
// we should be left with: val002, val003, val004, val005, val006, val007, val008, val009
// with multi-flag masking on the exclude regex
response =
client()
.prepareSearch("idx")
.setTypes("high_card_type")
.addAggregation(
terms("terms")
.field(SINGLE_VALUED_FIELD_NAME)
.include("val00.+")
.exclude(
"( val000 | VAL001 )#this is a comment",
Pattern.CASE_INSENSITIVE | Pattern.COMMENTS))
.execute()
.actionGet();
assertSearchResponse(response);
terms = response.getAggregations().get("terms");
assertThat(terms, notNullValue());
assertThat(terms.getName(), equalTo("terms"));
assertThat(terms.getBuckets().size(), equalTo(8));
for (int i = 2; i < 10; i++) {
Terms.Bucket bucket = terms.getBucketByKey("val00" + i);
assertThat(bucket, notNullValue());
assertThat(key(bucket), equalTo("val00" + i));
assertThat(bucket.getDocCount(), equalTo(1l));
}
// exclude without include
// we should be left with: val000, val001, val002, val003, val004, val005, val006, val007,
// val008, val009
// with a "no flag" flag
response =
client()
.prepareSearch("idx")
.setTypes("high_card_type")
.addAggregation(
terms("terms").field(SINGLE_VALUED_FIELD_NAME).exclude("val0[1-9]+.+", 0))
.execute()
.actionGet();
assertSearchResponse(response);
terms = response.getAggregations().get("terms");
assertThat(terms, notNullValue());
assertThat(terms.getName(), equalTo("terms"));
assertThat(terms.getBuckets().size(), equalTo(10));
for (int i = 0; i < 10; i++) {
Terms.Bucket bucket = terms.getBucketByKey("val00" + i);
assertThat(bucket, notNullValue());
assertThat(key(bucket), equalTo("val00" + i));
assertThat(bucket.getDocCount(), equalTo(1l));
}
}
