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InnerHitsIT.java
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InnerHitsIT.java
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/*
* Licensed to Elasticsearch under one or more contributor
* license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright
* ownership. Elasticsearch licenses this file to you under
* the Apache License, Version 2.0 (the "License"); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.elasticsearch.search.innerhits;
import org.apache.lucene.util.LuceneTestCase;
import org.elasticsearch.Version;
import org.elasticsearch.action.admin.cluster.health.ClusterHealthStatus;
import org.elasticsearch.action.index.IndexRequestBuilder;
import org.elasticsearch.action.search.SearchRequest;
import org.elasticsearch.action.search.SearchResponse;
import org.elasticsearch.cluster.metadata.IndexMetaData;
import org.elasticsearch.common.xcontent.XContentBuilder;
import org.elasticsearch.index.query.BoolQueryBuilder;
import org.elasticsearch.index.query.support.QueryInnerHitBuilder;
import org.elasticsearch.script.Script;
import org.elasticsearch.search.SearchHit;
import org.elasticsearch.search.SearchHits;
import org.elasticsearch.search.fetch.innerhits.InnerHitsBuilder;
import org.elasticsearch.search.sort.SortBuilders;
import org.elasticsearch.search.sort.SortOrder;
import org.elasticsearch.test.ESIntegTestCase;
import org.junit.Test;
import java.util.ArrayList;
import java.util.List;
import java.util.Locale;
import static org.elasticsearch.common.xcontent.XContentFactory.jsonBuilder;
import static org.elasticsearch.index.query.QueryBuilders.*;
import static org.elasticsearch.test.hamcrest.ElasticsearchAssertions.*;
import static org.hamcrest.Matchers.*;
import org.apache.lucene.util.LuceneTestCase.AwaitsFix;
/**
*/
@AwaitsFix(bugUrl = "https://github.com/elastic/elasticsearch/issues/13315")
public class InnerHitsIT extends ESIntegTestCase {
@Test
public void testSimpleNested() throws Exception {
assertAcked(prepareCreate("articles").addMapping("article", jsonBuilder().startObject().startObject("article").startObject("properties")
.startObject("comments")
.field("type", "nested")
.startObject("properties")
.startObject("message")
.field("type", "string")
.endObject()
.endObject()
.endObject()
.startObject("title")
.field("type", "string")
.endObject()
.endObject().endObject().endObject()));
List<IndexRequestBuilder> requests = new ArrayList<>();
requests.add(client().prepareIndex("articles", "article", "1").setSource(jsonBuilder().startObject()
.field("title", "quick brown fox")
.startArray("comments")
.startObject().field("message", "fox eat quick").endObject()
.startObject().field("message", "fox ate rabbit x y z").endObject()
.startObject().field("message", "rabbit got away").endObject()
.endArray()
.endObject()));
requests.add(client().prepareIndex("articles", "article", "2").setSource(jsonBuilder().startObject()
.field("title", "big gray elephant")
.startArray("comments")
.startObject().field("message", "elephant captured").endObject()
.startObject().field("message", "mice squashed by elephant x").endObject()
.startObject().field("message", "elephant scared by mice x y").endObject()
.endArray()
.endObject()));
indexRandom(true, requests);
// Inner hits can be defined in two ways: 1) with the query 2) as seperate inner_hit definition
SearchRequest[] searchRequests = new SearchRequest[]{
client().prepareSearch("articles").setQuery(nestedQuery("comments", matchQuery("comments.message", "fox")).innerHit(new QueryInnerHitBuilder().setName("comment"))).request(),
client().prepareSearch("articles").setQuery(nestedQuery("comments", matchQuery("comments.message", "fox")))
.addInnerHit("comment", new InnerHitsBuilder.InnerHit().setPath("comments").setQuery(matchQuery("comments.message", "fox"))).request()
};
for (SearchRequest searchRequest : searchRequests) {
SearchResponse response = client().search(searchRequest).actionGet();
assertNoFailures(response);
assertHitCount(response, 1);
assertSearchHit(response, 1, hasId("1"));
assertThat(response.getHits().getAt(0).getInnerHits().size(), equalTo(1));
SearchHits innerHits = response.getHits().getAt(0).getInnerHits().get("comment");
assertThat(innerHits.totalHits(), equalTo(2l));
assertThat(innerHits.getHits().length, equalTo(2));
assertThat(innerHits.getAt(0).getId(), equalTo("1"));
assertThat(innerHits.getAt(0).getNestedIdentity().getField().string(), equalTo("comments"));
assertThat(innerHits.getAt(0).getNestedIdentity().getOffset(), equalTo(0));
assertThat(innerHits.getAt(1).getId(), equalTo("1"));
assertThat(innerHits.getAt(1).getNestedIdentity().getField().string(), equalTo("comments"));
assertThat(innerHits.getAt(1).getNestedIdentity().getOffset(), equalTo(1));
}
searchRequests = new SearchRequest[] {
client().prepareSearch("articles")
.setQuery(nestedQuery("comments", matchQuery("comments.message", "elephant")))
.addInnerHit("comment", new InnerHitsBuilder.InnerHit().setPath("comments").setQuery(matchQuery("comments.message", "elephant"))).request(),
client().prepareSearch("articles")
.setQuery(nestedQuery("comments", matchQuery("comments.message", "elephant")).innerHit(new QueryInnerHitBuilder().setName("comment"))).request(),
client().prepareSearch("articles")
.setQuery(nestedQuery("comments", matchQuery("comments.message", "elephant")).innerHit(new QueryInnerHitBuilder().setName("comment").addSort("_doc", SortOrder.DESC))).request()
};
for (SearchRequest searchRequest : searchRequests) {
SearchResponse response = client().search(searchRequest).actionGet();
assertNoFailures(response);
assertHitCount(response, 1);
assertSearchHit(response, 1, hasId("2"));
assertThat(response.getHits().getAt(0).getShard(), notNullValue());
assertThat(response.getHits().getAt(0).getInnerHits().size(), equalTo(1));
SearchHits innerHits = response.getHits().getAt(0).getInnerHits().get("comment");
assertThat(innerHits.totalHits(), equalTo(3l));
assertThat(innerHits.getHits().length, equalTo(3));
assertThat(innerHits.getAt(0).getId(), equalTo("2"));
assertThat(innerHits.getAt(0).getNestedIdentity().getField().string(), equalTo("comments"));
assertThat(innerHits.getAt(0).getNestedIdentity().getOffset(), equalTo(0));
assertThat(innerHits.getAt(1).getId(), equalTo("2"));
assertThat(innerHits.getAt(1).getNestedIdentity().getField().string(), equalTo("comments"));
assertThat(innerHits.getAt(1).getNestedIdentity().getOffset(), equalTo(1));
assertThat(innerHits.getAt(2).getId(), equalTo("2"));
assertThat(innerHits.getAt(2).getNestedIdentity().getField().string(), equalTo("comments"));
assertThat(innerHits.getAt(2).getNestedIdentity().getOffset(), equalTo(2));
}
searchRequests = new SearchRequest[] {
client().prepareSearch("articles")
.setQuery(nestedQuery("comments", matchQuery("comments.message", "fox")))
.addInnerHit("comments", new InnerHitsBuilder.InnerHit().setPath("comments")
.setQuery(matchQuery("comments.message", "fox"))
.addHighlightedField("comments.message")
.setExplain(true)
.addFieldDataField("comments.message")
.addScriptField("script", new Script("doc['comments.message'].value"))
.setSize(1)).request(),
client().prepareSearch("articles")
.setQuery(nestedQuery("comments", matchQuery("comments.message", "fox")).innerHit(new QueryInnerHitBuilder()
.addHighlightedField("comments.message")
.setExplain(true)
.addFieldDataField("comments.message")
.addScriptField("script", new Script("doc['comments.message'].value"))
.setSize(1))).request()
};
for (SearchRequest searchRequest : searchRequests) {
SearchResponse response = client().search(searchRequest).actionGet();
assertNoFailures(response);
SearchHits innerHits = response.getHits().getAt(0).getInnerHits().get("comments");
assertThat(innerHits.getTotalHits(), equalTo(2l));
assertThat(innerHits.getHits().length, equalTo(1));
assertThat(innerHits.getAt(0).getHighlightFields().get("comments.message").getFragments()[0].string(), equalTo("<em>fox</em> eat quick"));
assertThat(innerHits.getAt(0).explanation().toString(), containsString("weight(comments.message:fox in"));
assertThat(innerHits.getAt(0).getFields().get("comments.message").getValue().toString(), equalTo("eat"));
assertThat(innerHits.getAt(0).getFields().get("script").getValue().toString(), equalTo("eat"));
}
}
@Test
public void testRandomNested() throws Exception {
assertAcked(prepareCreate("idx").addMapping("type", "field1", "type=nested", "field2", "type=nested"));
int numDocs = scaledRandomIntBetween(25, 100);
List<IndexRequestBuilder> requestBuilders = new ArrayList<>();
int[] field1InnerObjects = new int[numDocs];
int[] field2InnerObjects = new int[numDocs];
for (int i = 0; i < numDocs; i++) {
int numInnerObjects = field1InnerObjects[i] = scaledRandomIntBetween(1, numDocs);
XContentBuilder source = jsonBuilder().startObject().startArray("field1");
for (int j = 0; j < numInnerObjects; j++) {
source.startObject().field("x", "y").endObject();
}
numInnerObjects = field2InnerObjects[i] = scaledRandomIntBetween(1, numDocs);
source.endArray().startArray("field2");
for (int j = 0; j < numInnerObjects; j++) {
source.startObject().field("x", "y").endObject();
}
source.endArray().endObject();
requestBuilders.add(client().prepareIndex("idx", "type", String.format(Locale.ENGLISH, "%03d", i)).setSource(source));
}
indexRandom(true, requestBuilders);
int size = randomIntBetween(0, numDocs);
SearchResponse searchResponse;
if (randomBoolean()) {
searchResponse = client().prepareSearch("idx")
.setSize(numDocs)
.addSort("_uid", SortOrder.ASC)
.addInnerHit("a", new InnerHitsBuilder.InnerHit().setPath("field1").addSort("_doc", SortOrder.DESC).setSize(size)) // Sort order is DESC, because we reverse the inner objects during indexing!
.addInnerHit("b", new InnerHitsBuilder.InnerHit().setPath("field2").addSort("_doc", SortOrder.DESC).setSize(size))
.get();
} else {
BoolQueryBuilder boolQuery = new BoolQueryBuilder();
if (randomBoolean()) {
boolQuery.should(nestedQuery("field1", matchAllQuery()).innerHit(new QueryInnerHitBuilder().setName("a").addSort("_doc", SortOrder.DESC).setSize(size)));
boolQuery.should(nestedQuery("field2", matchAllQuery()).innerHit(new QueryInnerHitBuilder().setName("b").addSort("_doc", SortOrder.DESC).setSize(size)));
} else {
boolQuery.should(constantScoreQuery(nestedQuery("field1", matchAllQuery()).innerHit(new QueryInnerHitBuilder().setName("a").addSort("_doc", SortOrder.DESC).setSize(size))));
boolQuery.should(constantScoreQuery(nestedQuery("field2", matchAllQuery()).innerHit(new QueryInnerHitBuilder().setName("b").addSort("_doc", SortOrder.DESC).setSize(size))));
}
searchResponse = client().prepareSearch("idx")
.setQuery(boolQuery)
.setSize(numDocs)
.addSort("_uid", SortOrder.ASC)
.get();
}
assertNoFailures(searchResponse);
assertHitCount(searchResponse, numDocs);
assertThat(searchResponse.getHits().getHits().length, equalTo(numDocs));
for (int i = 0; i < numDocs; i++) {
SearchHit searchHit = searchResponse.getHits().getAt(i);
assertThat(searchHit.getShard(), notNullValue());
SearchHits inner = searchHit.getInnerHits().get("a");
assertThat(inner.totalHits(), equalTo((long) field1InnerObjects[i]));
for (int j = 0; j < field1InnerObjects[i] && j < size; j++) {
SearchHit innerHit = inner.getAt(j);
assertThat(innerHit.getNestedIdentity().getField().string(), equalTo("field1"));
assertThat(innerHit.getNestedIdentity().getOffset(), equalTo(j));
assertThat(innerHit.getNestedIdentity().getChild(), nullValue());
}
inner = searchHit.getInnerHits().get("b");
assertThat(inner.totalHits(), equalTo((long) field2InnerObjects[i]));
for (int j = 0; j < field2InnerObjects[i] && j < size; j++) {
SearchHit innerHit = inner.getAt(j);
assertThat(innerHit.getNestedIdentity().getField().string(), equalTo("field2"));
assertThat(innerHit.getNestedIdentity().getOffset(), equalTo(j));
assertThat(innerHit.getNestedIdentity().getChild(), nullValue());
}
}
}
@Test
public void testSimpleParentChild() throws Exception {
assertAcked(prepareCreate("articles")
.addMapping("article", "title", "type=string")
.addMapping("comment", "_parent", "type=article", "message", "type=string")
);
List<IndexRequestBuilder> requests = new ArrayList<>();
requests.add(client().prepareIndex("articles", "article", "1").setSource("title", "quick brown fox"));
requests.add(client().prepareIndex("articles", "comment", "1").setParent("1").setSource("message", "fox eat quick"));
requests.add(client().prepareIndex("articles", "comment", "2").setParent("1").setSource("message", "fox ate rabbit x y z"));
requests.add(client().prepareIndex("articles", "comment", "3").setParent("1").setSource("message", "rabbit got away"));
requests.add(client().prepareIndex("articles", "article", "2").setSource("title", "big gray elephant"));
requests.add(client().prepareIndex("articles", "comment", "4").setParent("2").setSource("message", "elephant captured"));
requests.add(client().prepareIndex("articles", "comment", "5").setParent("2").setSource("message", "mice squashed by elephant x"));
requests.add(client().prepareIndex("articles", "comment", "6").setParent("2").setSource("message", "elephant scared by mice x y"));
indexRandom(true, requests);
SearchRequest[] searchRequests = new SearchRequest[]{
client().prepareSearch("articles")
.setQuery(hasChildQuery("comment", matchQuery("message", "fox")))
.addInnerHit("comment", new InnerHitsBuilder.InnerHit().setType("comment").setQuery(matchQuery("message", "fox")))
.request(),
client().prepareSearch("articles")
.setQuery(hasChildQuery("comment", matchQuery("message", "fox")).innerHit(new QueryInnerHitBuilder().setName("comment")))
.request()
};
for (SearchRequest searchRequest : searchRequests) {
SearchResponse response = client().search(searchRequest).actionGet();
assertNoFailures(response);
assertHitCount(response, 1);
assertSearchHit(response, 1, hasId("1"));
assertThat(response.getHits().getAt(0).getShard(), notNullValue());
assertThat(response.getHits().getAt(0).getInnerHits().size(), equalTo(1));
SearchHits innerHits = response.getHits().getAt(0).getInnerHits().get("comment");
assertThat(innerHits.totalHits(), equalTo(2l));
assertThat(innerHits.getAt(0).getId(), equalTo("1"));
assertThat(innerHits.getAt(0).type(), equalTo("comment"));
assertThat(innerHits.getAt(1).getId(), equalTo("2"));
assertThat(innerHits.getAt(1).type(), equalTo("comment"));
}
searchRequests = new SearchRequest[] {
client().prepareSearch("articles")
.setQuery(hasChildQuery("comment", matchQuery("message", "elephant")))
.addInnerHit("comment", new InnerHitsBuilder.InnerHit().setType("comment").setQuery(matchQuery("message", "elephant")))
.request(),
client().prepareSearch("articles")
.setQuery(hasChildQuery("comment", matchQuery("message", "elephant")).innerHit(new QueryInnerHitBuilder()))
.request()
};
for (SearchRequest searchRequest : searchRequests) {
SearchResponse response = client().search(searchRequest).actionGet();
assertNoFailures(response);
assertHitCount(response, 1);
assertSearchHit(response, 1, hasId("2"));
assertThat(response.getHits().getAt(0).getInnerHits().size(), equalTo(1));
SearchHits innerHits = response.getHits().getAt(0).getInnerHits().get("comment");
assertThat(innerHits.totalHits(), equalTo(3l));
assertThat(innerHits.getAt(0).getId(), equalTo("4"));
assertThat(innerHits.getAt(0).type(), equalTo("comment"));
assertThat(innerHits.getAt(1).getId(), equalTo("5"));
assertThat(innerHits.getAt(1).type(), equalTo("comment"));
assertThat(innerHits.getAt(2).getId(), equalTo("6"));
assertThat(innerHits.getAt(2).type(), equalTo("comment"));
}
searchRequests = new SearchRequest[] {
client().prepareSearch("articles")
.setQuery(hasChildQuery("comment", matchQuery("message", "fox")))
.addInnerHit("comment", new InnerHitsBuilder.InnerHit().setType("comment")
.setQuery(matchQuery("message", "fox"))
.addHighlightedField("message")
.setExplain(true)
.addFieldDataField("message")
.addScriptField("script", new Script("doc['message'].value"))
.setSize(1)
).request(),
client().prepareSearch("articles")
.setQuery(
hasChildQuery("comment", matchQuery("message", "fox")).innerHit(
new QueryInnerHitBuilder().addHighlightedField("message").setExplain(true)
.addFieldDataField("message").addScriptField("script", new Script("doc['message'].value"))
.setSize(1))).request() };
for (SearchRequest searchRequest : searchRequests) {
SearchResponse response = client().search(searchRequest).actionGet();
assertNoFailures(response);
SearchHits innerHits = response.getHits().getAt(0).getInnerHits().get("comment");
assertThat(innerHits.getHits().length, equalTo(1));
assertThat(innerHits.getAt(0).getHighlightFields().get("message").getFragments()[0].string(), equalTo("<em>fox</em> eat quick"));
assertThat(innerHits.getAt(0).explanation().toString(), containsString("weight(message:fox"));
assertThat(innerHits.getAt(0).getFields().get("message").getValue().toString(), equalTo("eat"));
assertThat(innerHits.getAt(0).getFields().get("script").getValue().toString(), equalTo("eat"));
}
}
@Test
public void testRandomParentChild() throws Exception {
assertAcked(prepareCreate("idx")
.addMapping("parent")
.addMapping("child1", "_parent", "type=parent")
.addMapping("child2", "_parent", "type=parent")
);
int numDocs = scaledRandomIntBetween(5, 50);
List<IndexRequestBuilder> requestBuilders = new ArrayList<>();
int child1 = 0;
int child2 = 0;
int[] child1InnerObjects = new int[numDocs];
int[] child2InnerObjects = new int[numDocs];
for (int parent = 0; parent < numDocs; parent++) {
String parentId = String.format(Locale.ENGLISH, "%03d", parent);
requestBuilders.add(client().prepareIndex("idx", "parent", parentId).setSource("{}"));
int numChildDocs = child1InnerObjects[parent] = scaledRandomIntBetween(1, numDocs);
int limit = child1 + numChildDocs;
for (; child1 < limit; child1++) {
requestBuilders.add(client().prepareIndex("idx", "child1", String.format(Locale.ENGLISH, "%04d", child1)).setParent(parentId).setSource("{}"));
}
numChildDocs = child2InnerObjects[parent] = scaledRandomIntBetween(1, numDocs);
limit = child2 + numChildDocs;
for (; child2 < limit; child2++) {
requestBuilders.add(client().prepareIndex("idx", "child2", String.format(Locale.ENGLISH, "%04d", child2)).setParent(parentId).setSource("{}"));
}
}
indexRandom(true, requestBuilders);
int size = randomIntBetween(0, numDocs);
SearchResponse searchResponse;
if (randomBoolean()) {
searchResponse = client().prepareSearch("idx")
.setSize(numDocs)
.setTypes("parent")
.addSort("_uid", SortOrder.ASC)
.addInnerHit("a", new InnerHitsBuilder.InnerHit().setType("child1").addSort("_uid", SortOrder.ASC).setSize(size))
.addInnerHit("b", new InnerHitsBuilder.InnerHit().setType("child2").addSort("_uid", SortOrder.ASC).setSize(size))
.get();
} else {
BoolQueryBuilder boolQuery = new BoolQueryBuilder();
if (randomBoolean()) {
boolQuery.should(hasChildQuery("child1", matchAllQuery()).innerHit(new QueryInnerHitBuilder().setName("a").addSort("_uid", SortOrder.ASC).setSize(size)));
boolQuery.should(hasChildQuery("child2", matchAllQuery()).innerHit(new QueryInnerHitBuilder().setName("b").addSort("_uid", SortOrder.ASC).setSize(size)));
} else {
boolQuery.should(constantScoreQuery(hasChildQuery("child1", matchAllQuery()).innerHit(new QueryInnerHitBuilder().setName("a").addSort("_uid", SortOrder.ASC).setSize(size))));
boolQuery.should(constantScoreQuery(hasChildQuery("child2", matchAllQuery()).innerHit(new QueryInnerHitBuilder().setName("b").addSort("_uid", SortOrder.ASC).setSize(size))));
}
searchResponse = client().prepareSearch("idx")
.setSize(numDocs)
.setTypes("parent")
.addSort("_uid", SortOrder.ASC)
.setQuery(boolQuery)
.get();
}
assertNoFailures(searchResponse);
assertHitCount(searchResponse, numDocs);
assertThat(searchResponse.getHits().getHits().length, equalTo(numDocs));
int offset1 = 0;
int offset2 = 0;
for (int parent = 0; parent < numDocs; parent++) {
SearchHit searchHit = searchResponse.getHits().getAt(parent);
assertThat(searchHit.getType(), equalTo("parent"));
assertThat(searchHit.getId(), equalTo(String.format(Locale.ENGLISH, "%03d", parent)));
assertThat(searchHit.getShard(), notNullValue());
SearchHits inner = searchHit.getInnerHits().get("a");
assertThat(inner.totalHits(), equalTo((long) child1InnerObjects[parent]));
for (int child = 0; child < child1InnerObjects[parent] && child < size; child++) {
SearchHit innerHit = inner.getAt(child);
assertThat(innerHit.getType(), equalTo("child1"));
String childId = String.format(Locale.ENGLISH, "%04d", offset1 + child);
assertThat(innerHit.getId(), equalTo(childId));
assertThat(innerHit.getNestedIdentity(), nullValue());
}
offset1 += child1InnerObjects[parent];
inner = searchHit.getInnerHits().get("b");
assertThat(inner.totalHits(), equalTo((long) child2InnerObjects[parent]));
for (int child = 0; child < child2InnerObjects[parent] && child < size; child++) {
SearchHit innerHit = inner.getAt(child);
assertThat(innerHit.getType(), equalTo("child2"));
String childId = String.format(Locale.ENGLISH, "%04d", offset2 + child);
assertThat(innerHit.getId(), equalTo(childId));
assertThat(innerHit.getNestedIdentity(), nullValue());
}
offset2 += child2InnerObjects[parent];
}
}
@Test
public void testPathOrTypeMustBeDefined() {
createIndex("articles");
ensureGreen("articles");
try {
client().prepareSearch("articles")
.addInnerHit("comment", new InnerHitsBuilder.InnerHit())
.get();
} catch (Exception e) {
assertThat(e.getMessage(), containsString("Failed to build"));
}
}
@Test
public void testInnerHitsOnHasParent() throws Exception {
assertAcked(prepareCreate("stack")
.addMapping("question", "body", "type=string")
.addMapping("answer", "_parent", "type=question", "body", "type=string")
);
List<IndexRequestBuilder> requests = new ArrayList<>();
requests.add(client().prepareIndex("stack", "question", "1").setSource("body", "I'm using HTTPS + Basic authentication to protect a resource. How can I throttle authentication attempts to protect against brute force attacks?"));
requests.add(client().prepareIndex("stack", "answer", "1").setParent("1").setSource("body", "install fail2ban and enable rules for apache"));
requests.add(client().prepareIndex("stack", "question", "2").setSource("body", "I have firewall rules set up and also denyhosts installed.\\ndo I also need to install fail2ban?"));
requests.add(client().prepareIndex("stack", "answer", "2").setParent("2").setSource("body", "Denyhosts protects only ssh; Fail2Ban protects all daemons."));
indexRandom(true, requests);
SearchResponse response = client().prepareSearch("stack")
.setTypes("answer")
.addSort("_uid", SortOrder.ASC)
.setQuery(
boolQuery()
.must(matchQuery("body", "fail2ban"))
.must(hasParentQuery("question", matchAllQuery()).innerHit(new QueryInnerHitBuilder()))
).get();
assertNoFailures(response);
assertHitCount(response, 2);
SearchHit searchHit = response.getHits().getAt(0);
assertThat(searchHit.getId(), equalTo("1"));
assertThat(searchHit.getType(), equalTo("answer"));
assertThat(searchHit.getInnerHits().get("question").getTotalHits(), equalTo(1l));
assertThat(searchHit.getInnerHits().get("question").getAt(0).getType(), equalTo("question"));
assertThat(searchHit.getInnerHits().get("question").getAt(0).id(), equalTo("1"));
searchHit = response.getHits().getAt(1);
assertThat(searchHit.getId(), equalTo("2"));
assertThat(searchHit.getType(), equalTo("answer"));
assertThat(searchHit.getInnerHits().get("question").getTotalHits(), equalTo(1l));
assertThat(searchHit.getInnerHits().get("question").getAt(0).getType(), equalTo("question"));
assertThat(searchHit.getInnerHits().get("question").getAt(0).id(), equalTo("2"));
}
@Test
public void testParentChildMultipleLayers() throws Exception {
assertAcked(prepareCreate("articles")
.addMapping("article", "title", "type=string")
.addMapping("comment", "_parent", "type=article", "message", "type=string")
.addMapping("remark", "_parent", "type=comment", "message", "type=string")
);
List<IndexRequestBuilder> requests = new ArrayList<>();
requests.add(client().prepareIndex("articles", "article", "1").setSource("title", "quick brown fox"));
requests.add(client().prepareIndex("articles", "comment", "1").setParent("1").setSource("message", "fox eat quick"));
requests.add(client().prepareIndex("articles", "remark", "1").setParent("1").setRouting("1").setSource("message", "good"));
requests.add(client().prepareIndex("articles", "article", "2").setSource("title", "big gray elephant"));
requests.add(client().prepareIndex("articles", "comment", "2").setParent("2").setSource("message", "elephant captured"));
requests.add(client().prepareIndex("articles", "remark", "2").setParent("2").setRouting("2").setSource("message", "bad"));
indexRandom(true, requests);
SearchResponse response = client().prepareSearch("articles")
.setQuery(hasChildQuery("comment", hasChildQuery("remark", matchQuery("message", "good"))))
.addInnerHit("comment",
new InnerHitsBuilder.InnerHit().setType("comment")
.setQuery(hasChildQuery("remark", matchQuery("message", "good")))
.addInnerHit("remark", new InnerHitsBuilder.InnerHit().setType("remark").setQuery(matchQuery("message", "good")))
)
.get();
assertNoFailures(response);
assertHitCount(response, 1);
assertSearchHit(response, 1, hasId("1"));
assertThat(response.getHits().getAt(0).getInnerHits().size(), equalTo(1));
SearchHits innerHits = response.getHits().getAt(0).getInnerHits().get("comment");
assertThat(innerHits.totalHits(), equalTo(1l));
assertThat(innerHits.getAt(0).getId(), equalTo("1"));
assertThat(innerHits.getAt(0).type(), equalTo("comment"));
innerHits = innerHits.getAt(0).getInnerHits().get("remark");
assertThat(innerHits.totalHits(), equalTo(1l));
assertThat(innerHits.getAt(0).getId(), equalTo("1"));
assertThat(innerHits.getAt(0).type(), equalTo("remark"));
response = client().prepareSearch("articles")
.setQuery(hasChildQuery("comment", hasChildQuery("remark", matchQuery("message", "bad"))))
.addInnerHit("comment",
new InnerHitsBuilder.InnerHit().setType("comment")
.setQuery(hasChildQuery("remark", matchQuery("message", "bad")))
.addInnerHit("remark", new InnerHitsBuilder.InnerHit().setType("remark").setQuery(matchQuery("message", "bad")))
)
.get();
assertNoFailures(response);
assertHitCount(response, 1);
assertSearchHit(response, 1, hasId("2"));
assertThat(response.getHits().getAt(0).getInnerHits().size(), equalTo(1));
innerHits = response.getHits().getAt(0).getInnerHits().get("comment");
assertThat(innerHits.totalHits(), equalTo(1l));
assertThat(innerHits.getAt(0).getId(), equalTo("2"));
assertThat(innerHits.getAt(0).type(), equalTo("comment"));
innerHits = innerHits.getAt(0).getInnerHits().get("remark");
assertThat(innerHits.totalHits(), equalTo(1l));
assertThat(innerHits.getAt(0).getId(), equalTo("2"));
assertThat(innerHits.getAt(0).type(), equalTo("remark"));
}
@Test
public void testNestedMultipleLayers() throws Exception {
assertAcked(prepareCreate("articles").addMapping("article", jsonBuilder().startObject().startObject("article").startObject("properties")
.startObject("comments")
.field("type", "nested")
.startObject("properties")
.startObject("message")
.field("type", "string")
.endObject()
.startObject("remarks")
.field("type", "nested")
.startObject("properties")
.startObject("message").field("type", "string").endObject()
.endObject()
.endObject()
.endObject()
.endObject()
.startObject("title")
.field("type", "string")
.endObject()
.endObject().endObject().endObject()));
List<IndexRequestBuilder> requests = new ArrayList<>();
requests.add(client().prepareIndex("articles", "article", "1").setSource(jsonBuilder().startObject()
.field("title", "quick brown fox")
.startArray("comments")
.startObject()
.field("message", "fox eat quick")
.startArray("remarks").startObject().field("message", "good").endObject().endArray()
.endObject()
.endArray()
.endObject()));
requests.add(client().prepareIndex("articles", "article", "2").setSource(jsonBuilder().startObject()
.field("title", "big gray elephant")
.startArray("comments")
.startObject()
.field("message", "elephant captured")
.startArray("remarks").startObject().field("message", "bad").endObject().endArray()
.endObject()
.endArray()
.endObject()));
indexRandom(true, requests);
SearchResponse response = client().prepareSearch("articles")
.setQuery(nestedQuery("comments", nestedQuery("comments.remarks", matchQuery("comments.remarks.message", "good"))))
.addInnerHit("comment", new InnerHitsBuilder.InnerHit()
.setPath("comments")
.setQuery(nestedQuery("comments.remarks", matchQuery("comments.remarks.message", "good")))
.addInnerHit("remark", new InnerHitsBuilder.InnerHit().setPath("comments.remarks").setQuery(matchQuery("comments.remarks.message", "good")))
).get();
assertNoFailures(response);
assertHitCount(response, 1);
assertSearchHit(response, 1, hasId("1"));
assertThat(response.getHits().getAt(0).getInnerHits().size(), equalTo(1));
SearchHits innerHits = response.getHits().getAt(0).getInnerHits().get("comment");
assertThat(innerHits.totalHits(), equalTo(1l));
assertThat(innerHits.getHits().length, equalTo(1));
assertThat(innerHits.getAt(0).getId(), equalTo("1"));
assertThat(innerHits.getAt(0).getNestedIdentity().getField().string(), equalTo("comments"));
assertThat(innerHits.getAt(0).getNestedIdentity().getOffset(), equalTo(0));
innerHits = innerHits.getAt(0).getInnerHits().get("remark");
assertThat(innerHits.totalHits(), equalTo(1l));
assertThat(innerHits.getHits().length, equalTo(1));
assertThat(innerHits.getAt(0).getId(), equalTo("1"));
assertThat(innerHits.getAt(0).getNestedIdentity().getField().string(), equalTo("comments"));
assertThat(innerHits.getAt(0).getNestedIdentity().getOffset(), equalTo(0));
assertThat(innerHits.getAt(0).getNestedIdentity().getChild().getField().string(), equalTo("remarks"));
assertThat(innerHits.getAt(0).getNestedIdentity().getChild().getOffset(), equalTo(0));
// Directly refer to the second level:
response = client().prepareSearch("articles")
.setQuery(nestedQuery("comments.remarks", matchQuery("comments.remarks.message", "bad")).innerHit(new QueryInnerHitBuilder()))
.get();
assertNoFailures(response);
assertHitCount(response, 1);
assertSearchHit(response, 1, hasId("2"));
assertThat(response.getHits().getAt(0).getInnerHits().size(), equalTo(1));
innerHits = response.getHits().getAt(0).getInnerHits().get("comments.remarks");
assertThat(innerHits.totalHits(), equalTo(1l));
assertThat(innerHits.getHits().length, equalTo(1));
assertThat(innerHits.getAt(0).getId(), equalTo("2"));
assertThat(innerHits.getAt(0).getNestedIdentity().getField().string(), equalTo("comments"));
assertThat(innerHits.getAt(0).getNestedIdentity().getOffset(), equalTo(0));
assertThat(innerHits.getAt(0).getNestedIdentity().getChild().getField().string(), equalTo("remarks"));
assertThat(innerHits.getAt(0).getNestedIdentity().getChild().getOffset(), equalTo(0));
response = client().prepareSearch("articles")
.setQuery(nestedQuery("comments", nestedQuery("comments.remarks", matchQuery("comments.remarks.message", "bad"))))
.addInnerHit("comment", new InnerHitsBuilder.InnerHit()
.setPath("comments")
.setQuery(nestedQuery("comments.remarks", matchQuery("comments.remarks.message", "bad")))
.addInnerHit("remark", new InnerHitsBuilder.InnerHit().setPath("comments.remarks").setQuery(matchQuery("comments.remarks.message", "bad"))))
.get();
assertNoFailures(response);
assertHitCount(response, 1);
assertSearchHit(response, 1, hasId("2"));
assertThat(response.getHits().getAt(0).getInnerHits().size(), equalTo(1));
innerHits = response.getHits().getAt(0).getInnerHits().get("comment");
assertThat(innerHits.totalHits(), equalTo(1l));
assertThat(innerHits.getHits().length, equalTo(1));
assertThat(innerHits.getAt(0).getId(), equalTo("2"));
assertThat(innerHits.getAt(0).getNestedIdentity().getField().string(), equalTo("comments"));
assertThat(innerHits.getAt(0).getNestedIdentity().getOffset(), equalTo(0));
innerHits = innerHits.getAt(0).getInnerHits().get("remark");
assertThat(innerHits.totalHits(), equalTo(1l));
assertThat(innerHits.getHits().length, equalTo(1));
assertThat(innerHits.getAt(0).getId(), equalTo("2"));
assertThat(innerHits.getAt(0).getNestedIdentity().getField().string(), equalTo("comments"));
assertThat(innerHits.getAt(0).getNestedIdentity().getOffset(), equalTo(0));
assertThat(innerHits.getAt(0).getNestedIdentity().getChild().getField().string(), equalTo("remarks"));
assertThat(innerHits.getAt(0).getNestedIdentity().getChild().getOffset(), equalTo(0));
}
@Test
// https://github.com/elasticsearch/elasticsearch/issues/9723
public void testNestedDefinedAsObject() throws Exception {
assertAcked(prepareCreate("articles").addMapping("article", "comments", "type=nested", "title", "type=string"));
List<IndexRequestBuilder> requests = new ArrayList<>();
requests.add(client().prepareIndex("articles", "article", "1").setSource(jsonBuilder().startObject()
.field("title", "quick brown fox")
.startObject("comments").field("message", "fox eat quick").endObject()
.endObject()));
indexRandom(true, requests);
SearchResponse response = client().prepareSearch("articles")
.setQuery(nestedQuery("comments", matchQuery("comments.message", "fox")).innerHit(new QueryInnerHitBuilder()))
.get();
assertNoFailures(response);
assertHitCount(response, 1);
assertThat(response.getHits().getAt(0).id(), equalTo("1"));
assertThat(response.getHits().getAt(0).getInnerHits().get("comments").getTotalHits(), equalTo(1l));
assertThat(response.getHits().getAt(0).getInnerHits().get("comments").getAt(0).id(), equalTo("1"));
assertThat(response.getHits().getAt(0).getInnerHits().get("comments").getAt(0).getNestedIdentity().getField().string(), equalTo("comments"));
assertThat(response.getHits().getAt(0).getInnerHits().get("comments").getAt(0).getNestedIdentity().getOffset(), equalTo(0));
assertThat(response.getHits().getAt(0).getInnerHits().get("comments").getAt(0).getNestedIdentity().getChild(), nullValue());
}
@Test
public void testNestedInnerHitsWithStoredFieldsAndNoSourceBackcompat() throws Exception {
assertAcked(prepareCreate("articles")
.setSettings(IndexMetaData.SETTING_VERSION_CREATED, Version.V_1_4_2.id)
.addMapping("article", jsonBuilder().startObject()
.startObject("_source").field("enabled", false).endObject()
.startObject("properties")
.startObject("comments")
.field("type", "nested")
.startObject("properties")
.startObject("message").field("type", "string").field("store", "yes").endObject()
.endObject()
.endObject()
.endObject()
.endObject()
)
);
List<IndexRequestBuilder> requests = new ArrayList<>();
requests.add(client().prepareIndex("articles", "article", "1").setSource(jsonBuilder().startObject()
.field("title", "quick brown fox")
.startObject("comments").field("message", "fox eat quick").endObject()
.endObject()));
indexRandom(true, requests);
SearchResponse response = client().prepareSearch("articles")
.setQuery(nestedQuery("comments", matchQuery("comments.message", "fox")).innerHit(new QueryInnerHitBuilder().field("comments.message")))
.get();
assertNoFailures(response);
assertHitCount(response, 1);
assertThat(response.getHits().getAt(0).id(), equalTo("1"));
assertThat(response.getHits().getAt(0).getInnerHits().get("comments").getTotalHits(), equalTo(1l));
assertThat(response.getHits().getAt(0).getInnerHits().get("comments").getAt(0).id(), equalTo("1"));
assertThat(response.getHits().getAt(0).getInnerHits().get("comments").getAt(0).getNestedIdentity().getField().string(), equalTo("comments"));
assertThat(response.getHits().getAt(0).getInnerHits().get("comments").getAt(0).getNestedIdentity().getOffset(), equalTo(0));
assertThat(response.getHits().getAt(0).getInnerHits().get("comments").getAt(0).getNestedIdentity().getChild(), nullValue());
assertThat(String.valueOf(response.getHits().getAt(0).getInnerHits().get("comments").getAt(0).fields().get("comments.message").getValue()), equalTo("fox eat quick"));
}
@Test
public void testNestedInnerHitsWithHighlightOnStoredFieldBackcompat() throws Exception {
assertAcked(prepareCreate("articles")
.setSettings(IndexMetaData.SETTING_VERSION_CREATED, Version.V_1_4_2.id)
.addMapping("article", jsonBuilder().startObject()
.startObject("_source").field("enabled", false).endObject()
.startObject("properties")
.startObject("comments")
.field("type", "nested")
.startObject("properties")
.startObject("message").field("type", "string").field("store", "yes").endObject()
.endObject()
.endObject()
.endObject()
.endObject()
)
);
List<IndexRequestBuilder> requests = new ArrayList<>();
requests.add(client().prepareIndex("articles", "article", "1").setSource(jsonBuilder().startObject()
.field("title", "quick brown fox")
.startObject("comments").field("message", "fox eat quick").endObject()
.endObject()));
indexRandom(true, requests);
SearchResponse response = client().prepareSearch("articles")
.setQuery(nestedQuery("comments", matchQuery("comments.message", "fox")).innerHit(new QueryInnerHitBuilder().addHighlightedField("comments.message")))
.get();
assertNoFailures(response);
assertHitCount(response, 1);
assertThat(response.getHits().getAt(0).id(), equalTo("1"));
assertThat(response.getHits().getAt(0).getInnerHits().get("comments").getTotalHits(), equalTo(1l));
assertThat(response.getHits().getAt(0).getInnerHits().get("comments").getAt(0).id(), equalTo("1"));
assertThat(response.getHits().getAt(0).getInnerHits().get("comments").getAt(0).getNestedIdentity().getField().string(), equalTo("comments"));
assertThat(response.getHits().getAt(0).getInnerHits().get("comments").getAt(0).getNestedIdentity().getOffset(), equalTo(0));
assertThat(response.getHits().getAt(0).getInnerHits().get("comments").getAt(0).getNestedIdentity().getChild(), nullValue());
assertThat(String.valueOf(response.getHits().getAt(0).getInnerHits().get("comments").getAt(0).highlightFields().get("comments.message").getFragments()[0]), equalTo("<em>fox</em> eat quick"));
}
@Test
public void testNestedInnerHitsWithExcludeSourceBackcompat() throws Exception {
assertAcked(prepareCreate("articles").setSettings(IndexMetaData.SETTING_VERSION_CREATED, Version.V_1_4_2.id)
.addMapping("article", jsonBuilder().startObject()
.startObject("_source").field("excludes", new String[]{"comments"}).endObject()
.startObject("properties")
.startObject("comments")
.field("type", "nested")
.startObject("properties")
.startObject("message").field("type", "string").field("store", "yes").endObject()
.endObject()
.endObject()
.endObject()
.endObject()
)
);
List<IndexRequestBuilder> requests = new ArrayList<>();
requests.add(client().prepareIndex("articles", "article", "1").setSource(jsonBuilder().startObject()
.field("title", "quick brown fox")
.startObject("comments").field("message", "fox eat quick").endObject()
.endObject()));
indexRandom(true, requests);
SearchResponse response = client().prepareSearch("articles")
.setQuery(nestedQuery("comments", matchQuery("comments.message", "fox")).innerHit(new QueryInnerHitBuilder().field("comments.message").setFetchSource(true)))
.get();
assertNoFailures(response);
assertHitCount(response, 1);
assertThat(response.getHits().getAt(0).id(), equalTo("1"));
assertThat(response.getHits().getAt(0).getInnerHits().get("comments").getTotalHits(), equalTo(1l));
assertThat(response.getHits().getAt(0).getInnerHits().get("comments").getAt(0).id(), equalTo("1"));
assertThat(response.getHits().getAt(0).getInnerHits().get("comments").getAt(0).getNestedIdentity().getField().string(), equalTo("comments"));
assertThat(response.getHits().getAt(0).getInnerHits().get("comments").getAt(0).getNestedIdentity().getOffset(), equalTo(0));
assertThat(response.getHits().getAt(0).getInnerHits().get("comments").getAt(0).getNestedIdentity().getChild(), nullValue());
assertThat(String.valueOf(response.getHits().getAt(0).getInnerHits().get("comments").getAt(0).fields().get("comments.message").getValue()), equalTo("fox eat quick"));
}
@Test
public void testNestedInnerHitsHiglightWithExcludeSourceBackcompat() throws Exception {
assertAcked(prepareCreate("articles").setSettings(IndexMetaData.SETTING_VERSION_CREATED, Version.V_1_4_2.id)
.addMapping("article", jsonBuilder().startObject()
.startObject("_source").field("excludes", new String[]{"comments"}).endObject()
.startObject("properties")
.startObject("comments")
.field("type", "nested")
.startObject("properties")
.startObject("message").field("type", "string").field("store", "yes").endObject()
.endObject()
.endObject()
.endObject()
.endObject()
)
);
List<IndexRequestBuilder> requests = new ArrayList<>();
requests.add(client().prepareIndex("articles", "article", "1").setSource(jsonBuilder().startObject()
.field("title", "quick brown fox")
.startObject("comments").field("message", "fox eat quick").endObject()
.endObject()));
indexRandom(true, requests);
SearchResponse response = client().prepareSearch("articles")
.setQuery(nestedQuery("comments", matchQuery("comments.message", "fox")).innerHit(new QueryInnerHitBuilder().addHighlightedField("comments.message")))
.get();
assertNoFailures(response);
assertHitCount(response, 1);
assertThat(response.getHits().getAt(0).id(), equalTo("1"));
assertThat(response.getHits().getAt(0).getInnerHits().get("comments").getTotalHits(), equalTo(1l));
assertThat(response.getHits().getAt(0).getInnerHits().get("comments").getAt(0).id(), equalTo("1"));
assertThat(response.getHits().getAt(0).getInnerHits().get("comments").getAt(0).getNestedIdentity().getField().string(), equalTo("comments"));
assertThat(response.getHits().getAt(0).getInnerHits().get("comments").getAt(0).getNestedIdentity().getOffset(), equalTo(0));
assertThat(response.getHits().getAt(0).getInnerHits().get("comments").getAt(0).getNestedIdentity().getChild(), nullValue());
assertThat(String.valueOf(response.getHits().getAt(0).getInnerHits().get("comments").getAt(0).highlightFields().get("comments.message").getFragments()[0]), equalTo("<em>fox</em> eat quick"));
}
@Test
public void testInnerHitsWithObjectFieldThatHasANestedField() throws Exception {
assertAcked(prepareCreate("articles")
.addMapping("article", jsonBuilder().startObject()
.startObject("properties")
.startObject("comments")
.field("type", "object")
.startObject("properties")
.startObject("messages").field("type", "nested").endObject()
.endObject()
.endObject()
.endObject()
.endObject()
)
);
List<IndexRequestBuilder> requests = new ArrayList<>();
requests.add(client().prepareIndex("articles", "article", "1").setSource(jsonBuilder().startObject()
.field("title", "quick brown fox")
.startObject("comments")
.startArray("messages")
.startObject().field("message", "fox eat quick").endObject()
.startObject().field("message", "bear eat quick").endObject()
.endArray()
.endObject()
.endObject()));
indexRandom(true, requests);
SearchResponse response = client().prepareSearch("articles")
.setQuery(nestedQuery("comments.messages", matchQuery("comments.messages.message", "fox")).innerHit(new QueryInnerHitBuilder()))
.get();
assertNoFailures(response);
assertHitCount(response, 1);
assertThat(response.getHits().getAt(0).id(), equalTo("1"));
assertThat(response.getHits().getAt(0).getInnerHits().get("comments.messages").getTotalHits(), equalTo(1l));
assertThat(response.getHits().getAt(0).getInnerHits().get("comments.messages").getAt(0).id(), equalTo("1"));
assertThat(response.getHits().getAt(0).getInnerHits().get("comments.messages").getAt(0).getNestedIdentity().getField().string(), equalTo("comments.messages"));
assertThat(response.getHits().getAt(0).getInnerHits().get("comments.messages").getAt(0).getNestedIdentity().getOffset(), equalTo(0));
assertThat(response.getHits().getAt(0).getInnerHits().get("comments.messages").getAt(0).getNestedIdentity().getChild(), nullValue());
response = client().prepareSearch("articles")
.setQuery(nestedQuery("comments.messages", matchQuery("comments.messages.message", "bear")).innerHit(new QueryInnerHitBuilder()))
.get();
assertNoFailures(response);
assertHitCount(response, 1);
assertThat(response.getHits().getAt(0).id(), equalTo("1"));
assertThat(response.getHits().getAt(0).getInnerHits().get("comments.messages").getTotalHits(), equalTo(1l));
assertThat(response.getHits().getAt(0).getInnerHits().get("comments.messages").getAt(0).id(), equalTo("1"));
assertThat(response.getHits().getAt(0).getInnerHits().get("comments.messages").getAt(0).getNestedIdentity().getField().string(), equalTo("comments.messages"));
assertThat(response.getHits().getAt(0).getInnerHits().get("comments.messages").getAt(0).getNestedIdentity().getOffset(), equalTo(1));
assertThat(response.getHits().getAt(0).getInnerHits().get("comments.messages").getAt(0).getNestedIdentity().getChild(), nullValue());
// index the message in an object form instead of an array
requests = new ArrayList<>();
requests.add(client().prepareIndex("articles", "article", "1").setSource(jsonBuilder().startObject()
.field("title", "quick brown fox")
.startObject("comments").startObject("messages").field("message", "fox eat quick").endObject().endObject()
.endObject()));
indexRandom(true, requests);
response = client().prepareSearch("articles")
.setQuery(nestedQuery("comments.messages", matchQuery("comments.messages.message", "fox")).innerHit(new QueryInnerHitBuilder()))
.get();
assertNoFailures(response);
assertHitCount(response, 1);
assertThat(response.getHits().getAt(0).id(), equalTo("1"));
assertThat(response.getHits().getAt(0).getInnerHits().get("comments.messages").getTotalHits(), equalTo(1l));
assertThat(response.getHits().getAt(0).getInnerHits().get("comments.messages").getAt(0).id(), equalTo("1"));
assertThat(response.getHits().getAt(0).getInnerHits().get("comments.messages").getAt(0).getNestedIdentity().getField().string(), equalTo("comments.messages"));
assertThat(response.getHits().getAt(0).getInnerHits().get("comments.messages").getAt(0).getNestedIdentity().getOffset(), equalTo(0));
assertThat(response.getHits().getAt(0).getInnerHits().get("comments.messages").getAt(0).getNestedIdentity().getChild(), nullValue());
}
@Test
public void testRoyals() throws Exception {
assertAcked(
prepareCreate("royals")
.addMapping("king")
.addMapping("prince", "_parent", "type=king")
.addMapping("duke", "_parent", "type=prince")
.addMapping("earl", "_parent", "type=duke")
.addMapping("baron", "_parent", "type=earl")
);
List<IndexRequestBuilder> requests = new ArrayList<>();
requests.add(client().prepareIndex("royals", "king", "king").setSource("{}"));
requests.add(client().prepareIndex("royals", "prince", "prince").setParent("king").setSource("{}"));
requests.add(client().prepareIndex("royals", "duke", "duke").setParent("prince").setRouting("king").setSource("{}"));
requests.add(client().prepareIndex("royals", "earl", "earl1").setParent("duke").setRouting("king").setSource("{}"));
requests.add(client().prepareIndex("royals", "earl", "earl2").setParent("duke").setRouting("king").setSource("{}"));
requests.add(client().prepareIndex("royals", "earl", "earl3").setParent("duke").setRouting("king").setSource("{}"));
requests.add(client().prepareIndex("royals", "earl", "earl4").setParent("duke").setRouting("king").setSource("{}"));
requests.add(client().prepareIndex("royals", "baron", "baron1").setParent("earl1").setRouting("king").setSource("{}"));
requests.add(client().prepareIndex("royals", "baron", "baron2").setParent("earl2").setRouting("king").setSource("{}"));
requests.add(client().prepareIndex("royals", "baron", "baron3").setParent("earl3").setRouting("king").setSource("{}"));
requests.add(client().prepareIndex("royals", "baron", "baron4").setParent("earl4").setRouting("king").setSource("{}"));
indexRandom(true, requests);
SearchResponse response = client().prepareSearch("royals")
.setTypes("duke")
.addInnerHit("earls", new InnerHitsBuilder.InnerHit()
.setType("earl")
.addSort(SortBuilders.fieldSort("_uid").order(SortOrder.ASC))
.setSize(4)
.addInnerHit("barons", new InnerHitsBuilder.InnerHit().setType("baron"))
)
.addInnerHit("princes",
new InnerHitsBuilder.InnerHit().setType("prince")
.addInnerHit("kings", new InnerHitsBuilder.InnerHit().setType("king"))
)
.get();
assertHitCount(response, 1);
assertThat(response.getHits().getAt(0).getId(), equalTo("duke"));
SearchHits innerHits = response.getHits().getAt(0).getInnerHits().get("earls");
assertThat(innerHits.getTotalHits(), equalTo(4l));
assertThat(innerHits.getAt(0).getId(), equalTo("earl1"));
assertThat(innerHits.getAt(1).getId(), equalTo("earl2"));
assertThat(innerHits.getAt(2).getId(), equalTo("earl3"));
assertThat(innerHits.getAt(3).getId(), equalTo("earl4"));
SearchHits innerInnerHits = innerHits.getAt(0).getInnerHits().get("barons");
assertThat(innerInnerHits.totalHits(), equalTo(1l));
assertThat(innerInnerHits.getAt(0).getId(), equalTo("baron1"));
innerInnerHits = innerHits.getAt(1).getInnerHits().get("barons");
assertThat(innerInnerHits.totalHits(), equalTo(1l));
assertThat(innerInnerHits.getAt(0).getId(), equalTo("baron2"));
innerInnerHits = innerHits.getAt(2).getInnerHits().get("barons");
assertThat(innerInnerHits.totalHits(), equalTo(1l));
assertThat(innerInnerHits.getAt(0).getId(), equalTo("baron3"));
innerInnerHits = innerHits.getAt(3).getInnerHits().get("barons");
assertThat(innerInnerHits.totalHits(), equalTo(1l));
assertThat(innerInnerHits.getAt(0).getId(), equalTo("baron4"));
innerHits = response.getHits().getAt(0).getInnerHits().get("princes");
assertThat(innerHits.getTotalHits(), equalTo(1l));
assertThat(innerHits.getAt(0).getId(), equalTo("prince"));
innerInnerHits = innerHits.getAt(0).getInnerHits().get("kings");
assertThat(innerInnerHits.totalHits(), equalTo(1l));
assertThat(innerInnerHits.getAt(0).getId(), equalTo("king"));