/* * 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.fetch.subphase; import org.apache.lucene.search.join.ScoreMode; import org.apache.lucene.util.ArrayUtil; import org.elasticsearch.action.index.IndexRequestBuilder; import org.elasticsearch.action.search.SearchResponse; import org.elasticsearch.cluster.health.ClusterHealthStatus; import org.elasticsearch.common.xcontent.XContentBuilder; import org.elasticsearch.common.xcontent.XContentType; import org.elasticsearch.index.query.BoolQueryBuilder; import org.elasticsearch.index.query.InnerHitBuilder; import org.elasticsearch.index.query.QueryBuilder; import org.elasticsearch.plugins.Plugin; import org.elasticsearch.script.MockScriptEngine; import org.elasticsearch.script.MockScriptPlugin; import org.elasticsearch.script.Script; import org.elasticsearch.script.ScriptType; import org.elasticsearch.search.SearchHit; import org.elasticsearch.search.SearchHits; import org.elasticsearch.search.fetch.subphase.highlight.HighlightBuilder; import org.elasticsearch.search.sort.FieldSortBuilder; import org.elasticsearch.search.sort.SortBuilders; import org.elasticsearch.search.sort.SortOrder; import org.elasticsearch.test.ESIntegTestCase; import java.util.ArrayList; import java.util.Collection; import java.util.Collections; import java.util.List; import java.util.Locale; import java.util.Map; import java.util.function.Function; import static org.elasticsearch.action.support.WriteRequest.RefreshPolicy.IMMEDIATE; import static org.elasticsearch.common.xcontent.XContentFactory.jsonBuilder; import static org.elasticsearch.common.xcontent.support.XContentMapValues.extractValue; import static org.elasticsearch.index.query.QueryBuilders.boolQuery; import static org.elasticsearch.index.query.QueryBuilders.constantScoreQuery; import static org.elasticsearch.index.query.QueryBuilders.hasChildQuery; import static org.elasticsearch.index.query.QueryBuilders.hasParentQuery; import static org.elasticsearch.index.query.QueryBuilders.matchAllQuery; import static org.elasticsearch.index.query.QueryBuilders.matchQuery; import static org.elasticsearch.index.query.QueryBuilders.nestedQuery; import static org.elasticsearch.index.query.QueryBuilders.termQuery; import static org.elasticsearch.test.hamcrest.ElasticsearchAssertions.assertAcked; import static org.elasticsearch.test.hamcrest.ElasticsearchAssertions.assertAllSuccessful; import static org.elasticsearch.test.hamcrest.ElasticsearchAssertions.assertHitCount; import static org.elasticsearch.test.hamcrest.ElasticsearchAssertions.assertNoFailures; import static org.elasticsearch.test.hamcrest.ElasticsearchAssertions.assertSearchHit; import static org.elasticsearch.test.hamcrest.ElasticsearchAssertions.hasId; import static org.hamcrest.Matchers.containsString; import static org.hamcrest.Matchers.equalTo; import static org.hamcrest.Matchers.notNullValue; import static org.hamcrest.Matchers.nullValue; public class InnerHitsIT extends ESIntegTestCase { @Override protected Collection> nodePlugins() { return Collections.singleton(CustomScriptPlugin.class); } public static class CustomScriptPlugin extends MockScriptPlugin { @Override protected Map, Object>> pluginScripts() { return Collections.singletonMap("5", script -> "5"); } } 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", "text") .field("fielddata", true) .endObject() .endObject() .endObject() .startObject("title") .field("type", "text") .endObject() .endObject().endObject().endObject())); List 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); SearchResponse response = client().prepareSearch("articles") .setQuery(nestedQuery("comments", matchQuery("comments.message", "fox"), ScoreMode.Avg) .innerHit(new InnerHitBuilder().setName("comment"), false) ).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(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)); response = client().prepareSearch("articles") .setQuery(nestedQuery("comments", matchQuery("comments.message", "elephant"), ScoreMode.Avg) .innerHit(new InnerHitBuilder().setName("comment"), false) ).get(); 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)); 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)); response = client().prepareSearch("articles") .setQuery(nestedQuery("comments", matchQuery("comments.message", "fox"), ScoreMode.Avg).innerHit( new InnerHitBuilder().setHighlightBuilder(new HighlightBuilder().field("comments.message")) .setExplain(true) .addDocValueField("comments.message") .addScriptField("script", new Script(ScriptType.INLINE, MockScriptEngine.NAME, "5", Collections.emptyMap())) .setSize(1), false)).get(); assertNoFailures(response); 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("fox 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("5")); } public void testRandomNested() throws Exception { assertAcked(prepareCreate("idx").addMapping("type", "field1", "type=nested", "field2", "type=nested")); int numDocs = scaledRandomIntBetween(25, 100); List 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); BoolQueryBuilder boolQuery = new BoolQueryBuilder(); boolQuery.should(nestedQuery("field1", matchAllQuery(), ScoreMode.Avg).innerHit(new InnerHitBuilder().setName("a").setSize(size) .addSort(new FieldSortBuilder("_doc").order(SortOrder.DESC)), false)); boolQuery.should(nestedQuery("field2", matchAllQuery(), ScoreMode.Avg).innerHit(new InnerHitBuilder().setName("b") .addSort(new FieldSortBuilder("_doc").order(SortOrder.DESC)).setSize(size), false)); SearchResponse 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()); } } } public void testSimpleParentChild() throws Exception { assertAcked(prepareCreate("articles") .addMapping("article", "title", "type=text") .addMapping("comment", "_parent", "type=article", "message", "type=text,fielddata=true") ); List 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); SearchResponse response = client().prepareSearch("articles") .setQuery(hasChildQuery("comment", matchQuery("message", "fox"), ScoreMode.None) .innerHit(new InnerHitBuilder(), false)) .get(); 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")); response = client().prepareSearch("articles") .setQuery(hasChildQuery("comment", matchQuery("message", "elephant"), ScoreMode.None) .innerHit(new InnerHitBuilder(), false)) .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(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")); response = client().prepareSearch("articles") .setQuery( hasChildQuery("comment", matchQuery("message", "fox"), ScoreMode.None).innerHit( new InnerHitBuilder() .addDocValueField("message") .setHighlightBuilder(new HighlightBuilder().field("message")) .setExplain(true).setSize(1) .addScriptField("script", new Script(ScriptType.INLINE, MockScriptEngine.NAME, "5", Collections.emptyMap())), false) ).get(); assertNoFailures(response); 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("fox 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("5")); } 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 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("{}", XContentType.JSON)); 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("{}", XContentType.JSON)); } 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("{}", XContentType.JSON)); } } indexRandom(true, requestBuilders); int size = randomIntBetween(0, numDocs); BoolQueryBuilder boolQuery = new BoolQueryBuilder(); boolQuery.should(constantScoreQuery(hasChildQuery("child1", matchAllQuery(), ScoreMode.None) .innerHit(new InnerHitBuilder().setName("a") .addSort(new FieldSortBuilder("_uid").order(SortOrder.ASC)).setSize(size), false))); boolQuery.should(constantScoreQuery(hasChildQuery("child2", matchAllQuery(), ScoreMode.None) .innerHit(new InnerHitBuilder().setName("b") .addSort(new FieldSortBuilder("_uid").order(SortOrder.ASC)).setSize(size), false))); SearchResponse 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]; } } public void testInnerHitsOnHasParent() throws Exception { assertAcked(prepareCreate("stack") .addMapping("question", "body", "type=text") .addMapping("answer", "_parent", "type=question", "body", "type=text") ); List 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(), false).innerHit(new InnerHitBuilder(), false)) ).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")); } public void testParentChildMultipleLayers() throws Exception { assertAcked(prepareCreate("articles") .addMapping("article", "title", "type=text") .addMapping("comment", "_parent", "type=article", "message", "type=text") .addMapping("remark", "_parent", "type=comment", "message", "type=text") ); List 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"), ScoreMode.None).innerHit(new InnerHitBuilder(), false), ScoreMode.None).innerHit(new InnerHitBuilder(), false)) .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"), ScoreMode.None).innerHit(new InnerHitBuilder(), false), ScoreMode.None).innerHit(new InnerHitBuilder(), false)) .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")); } 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", "text") .endObject() .startObject("remarks") .field("type", "nested") .startObject("properties") .startObject("message").field("type", "text").endObject() .endObject() .endObject() .endObject() .endObject() .startObject("title") .field("type", "text") .endObject() .endObject().endObject().endObject())); List 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"), ScoreMode.Avg) .innerHit(new InnerHitBuilder().setName("remark"), false), ScoreMode.Avg).innerHit(new InnerHitBuilder(), false) ).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("comments"); 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"), ScoreMode.Avg) .innerHit(new InnerHitBuilder(), false)).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"), ScoreMode.Avg) .innerHit(new InnerHitBuilder().setName("remark"), false), ScoreMode.Avg).innerHit(new InnerHitBuilder(), false) ).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"); 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)); } // Issue #9723 public void testNestedDefinedAsObject() throws Exception { assertAcked(prepareCreate("articles").addMapping("article", "comments", "type=nested", "title", "type=text")); List 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"), ScoreMode.Avg) .innerHit(new InnerHitBuilder(), false)) .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()); } 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 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"), ScoreMode.Avg) .innerHit(new InnerHitBuilder(), false)).get(); assertNoFailures(response); assertHitCount(response, 1); SearchHit hit = response.getHits().getAt(0); assertThat(hit.id(), equalTo("1")); SearchHits messages = hit.getInnerHits().get("comments.messages"); assertThat(messages.getTotalHits(), equalTo(1L)); assertThat(messages.getAt(0).id(), equalTo("1")); assertThat(messages.getAt(0).getNestedIdentity().getField().string(), equalTo("comments.messages")); assertThat(messages.getAt(0).getNestedIdentity().getOffset(), equalTo(0)); assertThat(messages.getAt(0).getNestedIdentity().getChild(), nullValue()); response = client().prepareSearch("articles") .setQuery(nestedQuery("comments.messages", matchQuery("comments.messages.message", "bear"), ScoreMode.Avg) .innerHit(new InnerHitBuilder(), false)).get(); assertNoFailures(response); assertHitCount(response, 1); hit = response.getHits().getAt(0); assertThat(hit.id(), equalTo("1")); messages = hit.getInnerHits().get("comments.messages"); assertThat(messages.getTotalHits(), equalTo(1L)); assertThat(messages.getAt(0).id(), equalTo("1")); assertThat(messages.getAt(0).getNestedIdentity().getField().string(), equalTo("comments.messages")); assertThat(messages.getAt(0).getNestedIdentity().getOffset(), equalTo(1)); assertThat(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"), ScoreMode.Avg) .innerHit(new InnerHitBuilder(), false)).get(); assertNoFailures(response); assertHitCount(response, 1); hit = response.getHits().getAt(0);; assertThat(hit.id(), equalTo("1")); messages = hit.getInnerHits().get("comments.messages"); assertThat(messages.getTotalHits(), equalTo(1L)); assertThat(messages.getAt(0).id(), equalTo("1")); assertThat(messages.getAt(0).getNestedIdentity().getField().string(), equalTo("comments.messages")); assertThat(messages.getAt(0).getNestedIdentity().getOffset(), equalTo(0)); assertThat(messages.getAt(0).getNestedIdentity().getChild(), nullValue()); } 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 requests = new ArrayList<>(); requests.add(client().prepareIndex("royals", "king", "king").setSource("{}", XContentType.JSON)); requests.add(client().prepareIndex("royals", "prince", "prince").setParent("king").setSource("{}", XContentType.JSON)); requests.add(client().prepareIndex("royals", "duke", "duke").setParent("prince").setRouting("king") .setSource("{}", XContentType.JSON)); requests.add(client().prepareIndex("royals", "earl", "earl1").setParent("duke").setRouting("king") .setSource("{}", XContentType.JSON)); requests.add(client().prepareIndex("royals", "earl", "earl2").setParent("duke").setRouting("king") .setSource("{}", XContentType.JSON)); requests.add(client().prepareIndex("royals", "earl", "earl3").setParent("duke").setRouting("king") .setSource("{}", XContentType.JSON)); requests.add(client().prepareIndex("royals", "earl", "earl4").setParent("duke").setRouting("king") .setSource("{}", XContentType.JSON)); requests.add(client().prepareIndex("royals", "baron", "baron1").setParent("earl1").setRouting("king") .setSource("{}", XContentType.JSON)); requests.add(client().prepareIndex("royals", "baron", "baron2").setParent("earl2").setRouting("king") .setSource("{}", XContentType.JSON)); requests.add(client().prepareIndex("royals", "baron", "baron3").setParent("earl3").setRouting("king") .setSource("{}", XContentType.JSON)); requests.add(client().prepareIndex("royals", "baron", "baron4").setParent("earl4").setRouting("king") .setSource("{}", XContentType.JSON)); indexRandom(true, requests); SearchResponse response = client().prepareSearch("royals") .setTypes("duke") .setQuery(boolQuery() .filter(hasParentQuery("prince", hasParentQuery("king", matchAllQuery(), false).innerHit(new InnerHitBuilder().setName("kings"), false), false).innerHit(new InnerHitBuilder().setName("princes"), false) ) .filter(hasChildQuery("earl", hasChildQuery("baron", matchAllQuery(), ScoreMode.None) .innerHit(new InnerHitBuilder().setName("barons"), false), ScoreMode.None).innerHit(new InnerHitBuilder() .addSort(SortBuilders.fieldSort("_uid").order(SortOrder.ASC)) .setName("earls") .setSize(4), false) ) ) .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")); } public void testMatchesQueriesNestedInnerHits() throws Exception { XContentBuilder builder = jsonBuilder().startObject() .startObject("type1") .startObject("properties") .startObject("nested1") .field("type", "nested") .startObject("properties") .startObject("n_field1") .field("type", "keyword") .endObject() .endObject() .endObject() .startObject("field1") .field("type", "long") .endObject() .endObject() .endObject() .endObject(); assertAcked(prepareCreate("test").addMapping("type1", builder)); ensureGreen(); List requests = new ArrayList<>(); int numDocs = randomIntBetween(2, 35); requests.add(client().prepareIndex("test", "type1", "0").setSource(jsonBuilder().startObject() .field("field1", 0) .startArray("nested1") .startObject() .field("n_field1", "n_value1_1") .field("n_field2", "n_value2_1") .endObject() .startObject() .field("n_field1", "n_value1_2") .field("n_field2", "n_value2_2") .endObject() .endArray() .endObject())); requests.add(client().prepareIndex("test", "type1", "1").setSource(jsonBuilder().startObject() .field("field1", 1) .startArray("nested1") .startObject() .field("n_field1", "n_value1_8") .field("n_field2", "n_value2_5") .endObject() .startObject() .field("n_field1", "n_value1_3") .field("n_field2", "n_value2_1") .endObject() .endArray() .endObject())); for (int i = 2; i < numDocs; i++) { requests.add(client().prepareIndex("test", "type1", String.valueOf(i)).setSource(jsonBuilder().startObject() .field("field1", i) .startArray("nested1") .startObject() .field("n_field1", "n_value1_8") .field("n_field2", "n_value2_5") .endObject() .startObject() .field("n_field1", "n_value1_2") .field("n_field2", "n_value2_2") .endObject() .endArray() .endObject())); } indexRandom(true, requests); waitForRelocation(ClusterHealthStatus.GREEN); QueryBuilder query = boolQuery() .should(termQuery("nested1.n_field1", "n_value1_1").queryName("test1")) .should(termQuery("nested1.n_field1", "n_value1_3").queryName("test2")) .should(termQuery("nested1.n_field2", "n_value2_2").queryName("test3")); query = nestedQuery("nested1", query, ScoreMode.Avg).innerHit( new InnerHitBuilder().addSort(new FieldSortBuilder("nested1.n_field1").order(SortOrder.ASC)), false); SearchResponse searchResponse = client().prepareSearch("test") .setQuery(query) .setSize(numDocs) .addSort("field1", SortOrder.ASC) .get(); assertNoFailures(searchResponse); assertAllSuccessful(searchResponse); assertThat(searchResponse.getHits().totalHits(), equalTo((long) numDocs)); assertThat(searchResponse.getHits().getAt(0).id(), equalTo("0")); assertThat(searchResponse.getHits().getAt(0).getInnerHits().get("nested1").getTotalHits(), equalTo(2L)); assertThat(searchResponse.getHits().getAt(0).getInnerHits().get("nested1").getAt(0).getMatchedQueries().length, equalTo(1)); assertThat(searchResponse.getHits().getAt(0).getInnerHits().get("nested1").getAt(0).getMatchedQueries()[0], equalTo("test1")); assertThat(searchResponse.getHits().getAt(0).getInnerHits().get("nested1").getAt(1).getMatchedQueries().length, equalTo(1)); assertThat(searchResponse.getHits().getAt(0).getInnerHits().get("nested1").getAt(1).getMatchedQueries()[0], equalTo("test3")); assertThat(searchResponse.getHits().getAt(1).id(), equalTo("1")); assertThat(searchResponse.getHits().getAt(1).getInnerHits().get("nested1").getTotalHits(), equalTo(1L)); assertThat(searchResponse.getHits().getAt(1).getInnerHits().get("nested1").getAt(0).getMatchedQueries().length, equalTo(1)); assertThat(searchResponse.getHits().getAt(1).getInnerHits().get("nested1").getAt(0).getMatchedQueries()[0], equalTo("test2")); for (int i = 2; i < numDocs; i++) { assertThat(searchResponse.getHits().getAt(i).id(), equalTo(String.valueOf(i))); assertThat(searchResponse.getHits().getAt(i).getInnerHits().get("nested1").getTotalHits(), equalTo(1L)); assertThat(searchResponse.getHits().getAt(i).getInnerHits().get("nested1").getAt(0).getMatchedQueries().length, equalTo(1)); assertThat(searchResponse.getHits().getAt(i).getInnerHits().get("nested1").getAt(0).getMatchedQueries()[0], equalTo("test3")); } } public void testMatchesQueriesParentChildInnerHits() throws Exception { assertAcked(prepareCreate("index").addMapping("child", "_parent", "type=parent")); List requests = new ArrayList<>(); requests.add(client().prepareIndex("index", "parent", "1").setSource("{}", XContentType.JSON)); requests.add(client().prepareIndex("index", "child", "1").setParent("1").setSource("field", "value1")); requests.add(client().prepareIndex("index", "child", "2").setParent("1").setSource("field", "value2")); requests.add(client().prepareIndex("index", "parent", "2").setSource("{}", XContentType.JSON)); requests.add(client().prepareIndex("index", "child", "3").setParent("2").setSource("field", "value1")); indexRandom(true, requests); SearchResponse response = client().prepareSearch("index") .setQuery(hasChildQuery("child", matchQuery("field", "value1").queryName("_name1"), ScoreMode.None) .innerHit(new InnerHitBuilder(), false)) .addSort("_uid", SortOrder.ASC) .get(); assertHitCount(response, 2); assertThat(response.getHits().getAt(0).id(), equalTo("1")); assertThat(response.getHits().getAt(0).getInnerHits().get("child").getTotalHits(), equalTo(1L)); assertThat(response.getHits().getAt(0).getInnerHits().get("child").getAt(0).getMatchedQueries().length, equalTo(1)); assertThat(response.getHits().getAt(0).getInnerHits().get("child").getAt(0).getMatchedQueries()[0], equalTo("_name1")); assertThat(response.getHits().getAt(1).id(), equalTo("2")); assertThat(response.getHits().getAt(1).getInnerHits().get("child").getTotalHits(), equalTo(1L)); assertThat(response.getHits().getAt(1).getInnerHits().get("child").getAt(0).getMatchedQueries().length, equalTo(1)); assertThat(response.getHits().getAt(1).getInnerHits().get("child").getAt(0).getMatchedQueries()[0], equalTo("_name1")); QueryBuilder query = hasChildQuery("child", matchQuery("field", "value2").queryName("_name2"), ScoreMode.None) .innerHit(new InnerHitBuilder(), false); response = client().prepareSearch("index") .setQuery(query) .addSort("_uid", SortOrder.ASC) .get(); assertHitCount(response, 1); assertThat(response.getHits().getAt(0).id(), equalTo("1")); assertThat(response.getHits().getAt(0).getInnerHits().get("child").getTotalHits(), equalTo(1L)); assertThat(response.getHits().getAt(0).getInnerHits().get("child").getAt(0).getMatchedQueries().length, equalTo(1)); assertThat(response.getHits().getAt(0).getInnerHits().get("child").getAt(0).getMatchedQueries()[0], equalTo("_name2")); } public void testDontExplode() throws Exception { assertAcked(prepareCreate("index1").addMapping("child", "_parent", "type=parent")); List requests = new ArrayList<>(); requests.add(client().prepareIndex("index1", "parent", "1").setSource("{}", XContentType.JSON)); requests.add(client().prepareIndex("index1", "child", "1").setParent("1").setSource("field", "value1")); indexRandom(true, requests); QueryBuilder query = hasChildQuery("child", matchQuery("field", "value1"), ScoreMode.None) .innerHit(new InnerHitBuilder().setSize(ArrayUtil.MAX_ARRAY_LENGTH - 1), false); SearchResponse response = client().prepareSearch("index1") .setQuery(query) .addSort("_uid", SortOrder.ASC) .get(); assertNoFailures(response); assertHitCount(response, 1); assertAcked(prepareCreate("index2").addMapping("type", "nested", "type=nested")); client().prepareIndex("index2", "type", "1").setSource(jsonBuilder().startObject() .startArray("nested") .startObject() .field("field", "value1") .endObject() .endArray() .endObject()) .setRefreshPolicy(IMMEDIATE) .get(); query = nestedQuery("nested", matchQuery("nested.field", "value1"), ScoreMode.Avg) .innerHit(new InnerHitBuilder().setSize(ArrayUtil.MAX_ARRAY_LENGTH - 1), false); response = client().prepareSearch("index2") .setQuery(query) .addSort("_uid", SortOrder.ASC) .get(); assertNoFailures(response); assertHitCount(response, 1); } public void testNestedSourceFiltering() throws Exception { assertAcked(prepareCreate("index1").addMapping("message", "comments", "type=nested")); client().prepareIndex("index1", "message", "1").setSource(jsonBuilder().startObject() .field("message", "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()).get(); refresh(); // the field name (comments.message) used for source filtering should be the same as when using that field for // other features (like in the query dsl or aggs) in order for consistency: SearchResponse response = client().prepareSearch() .setQuery(nestedQuery("comments", matchQuery("comments.message", "fox"), ScoreMode.None) .innerHit(new InnerHitBuilder().setFetchSourceContext(new FetchSourceContext(true, new String[]{"comments.message"}, null)), false)) .get(); assertNoFailures(response); assertHitCount(response, 1); assertThat(response.getHits().getAt(0).getInnerHits().get("comments").totalHits(), equalTo(2L)); assertThat(extractValue("comments.message", response.getHits().getAt(0).getInnerHits().get("comments").getAt(0).sourceAsMap()), equalTo("fox eat quick")); assertThat(extractValue("comments.message", response.getHits().getAt(0).getInnerHits().get("comments").getAt(1).sourceAsMap()), equalTo("fox ate rabbit x y z")); } public void testNestedInnerHitWrappedInParentChildInnerhit() throws Exception { assertAcked(prepareCreate("test").addMapping("child_type", "_parent", "type=parent_type", "nested_type", "type=nested")); client().prepareIndex("test", "parent_type", "1").setSource("key", "value").get(); client().prepareIndex("test", "child_type", "2").setParent("1").setSource("nested_type", Collections.singletonMap("key", "value")) .get(); refresh(); SearchResponse response = client().prepareSearch("test") .setQuery(boolQuery().must(matchQuery("key", "value")) .should(hasChildQuery("child_type", nestedQuery("nested_type", matchAllQuery(), ScoreMode.None) .innerHit(new InnerHitBuilder(), false), ScoreMode.None).innerHit(new InnerHitBuilder(), false))) .get(); assertHitCount(response, 1); SearchHit hit = response.getHits().getAt(0); assertThat(hit.getInnerHits().get("child_type").getAt(0).field("_parent").getValue(), equalTo("1")); assertThat(hit.getInnerHits().get("child_type").getAt(0).getInnerHits().get("nested_type").getAt(0).field("_parent"), nullValue()); } public void testInnerHitsWithIgnoreUnmapped() throws Exception { assertAcked(prepareCreate("index1") .addMapping("parent_type", "nested_type", "type=nested") .addMapping("child_type", "_parent", "type=parent_type") ); createIndex("index2"); client().prepareIndex("index1", "parent_type", "1").setSource("nested_type", Collections.singletonMap("key", "value")).get(); client().prepareIndex("index1", "child_type", "2").setParent("1").setSource("{}", XContentType.JSON).get(); client().prepareIndex("index2", "type", "3").setSource("key", "value").get(); refresh(); SearchResponse response = client().prepareSearch("index1", "index2") .setQuery(boolQuery() .should(nestedQuery("nested_type", matchAllQuery(), ScoreMode.None).ignoreUnmapped(true) .innerHit(new InnerHitBuilder(), true)) .should(termQuery("key", "value")) ) .addSort("_uid", SortOrder.ASC) .get(); assertNoFailures(response); assertHitCount(response, 2); assertThat(response.getHits().getAt(0).getId(), equalTo("1")); response = client().prepareSearch("index1", "index2") .setQuery(boolQuery() .should(hasChildQuery("child_type", matchAllQuery(), ScoreMode.None).ignoreUnmapped(true) .innerHit(new InnerHitBuilder(), true)) .should(termQuery("key", "value")) ) .addSort("_uid", SortOrder.ASC) .get(); assertNoFailures(response); assertHitCount(response, 2); assertThat(response.getHits().getAt(0).getId(), equalTo("1")); } }