@Test public void testSimple() throws Exception { Directory directory = newDirectory(); RandomIndexWriter indexWriter = new RandomIndexWriter(random(), directory); for (int parent = 1; parent <= 5; parent++) { Document document = new Document(); document.add( new StringField( UidFieldMapper.NAME, Uid.createUid("parent", Integer.toString(parent)), Field.Store.NO)); document.add(new StringField(TypeFieldMapper.NAME, "parent", Field.Store.NO)); indexWriter.addDocument(document); for (int child = 1; child <= 3; child++) { document = new Document(); document.add( new StringField( UidFieldMapper.NAME, Uid.createUid("child", Integer.toString(parent * 3 + child)), Field.Store.NO)); document.add(new StringField(TypeFieldMapper.NAME, "child", Field.Store.NO)); document.add( new StringField( ParentFieldMapper.NAME, Uid.createUid("parent", Integer.toString(parent)), Field.Store.NO)); document.add(new StringField("field1", "value" + child, Field.Store.NO)); indexWriter.addDocument(document); } } IndexReader indexReader = DirectoryReader.open(indexWriter.w, false); IndexSearcher searcher = new IndexSearcher(indexReader); ((TestSearchContext) SearchContext.current()) .setSearcher( new ContextIndexSearcher( SearchContext.current(), new Engine.Searcher( ChildrenConstantScoreQueryTests.class.getSimpleName(), searcher))); TermQuery childQuery = new TermQuery(new Term("field1", "value" + (1 + random().nextInt(3)))); BitDocIdSetFilter parentFilter = wrapWithBitSetFilter(new TermFilter(new Term(TypeFieldMapper.NAME, "parent"))); int shortCircuitParentDocSet = random().nextInt(5); ParentFieldMapper parentFieldMapper = SearchContext.current().mapperService().documentMapper("child").parentFieldMapper(); ParentChildIndexFieldData parentChildIndexFieldData = SearchContext.current().fieldData().getForField(parentFieldMapper); ChildrenConstantScoreQuery query = new ChildrenConstantScoreQuery( parentChildIndexFieldData, childQuery, "parent", "child", parentFilter, shortCircuitParentDocSet, null); BitSetCollector collector = new BitSetCollector(indexReader.maxDoc()); searcher.search(query, collector); FixedBitSet actualResult = collector.getResult(); assertThat(actualResult.cardinality(), equalTo(5)); indexWriter.close(); indexReader.close(); directory.close(); }
@Test public void testRandom() throws Exception { Directory directory = newDirectory(); final Random r = random(); final IndexWriterConfig iwc = LuceneTestCase.newIndexWriterConfig(r, new MockAnalyzer(r)) .setMaxBufferedDocs(IndexWriterConfig.DISABLE_AUTO_FLUSH) .setRAMBufferSizeMB( scaledRandomIntBetween(16, 64)); // we might index a lot - don't go crazy here RandomIndexWriter indexWriter = new RandomIndexWriter(r, directory, iwc); int numUniqueChildValues = scaledRandomIntBetween(100, 2000); String[] childValues = new String[numUniqueChildValues]; for (int i = 0; i < numUniqueChildValues; i++) { childValues[i] = Integer.toString(i); } IntOpenHashSet filteredOrDeletedDocs = new IntOpenHashSet(); int childDocId = 0; int numParentDocs = scaledRandomIntBetween(1, numUniqueChildValues); ObjectObjectOpenHashMap<String, NavigableMap<String, FloatArrayList>> childValueToParentIds = new ObjectObjectOpenHashMap<>(); for (int parentDocId = 0; parentDocId < numParentDocs; parentDocId++) { boolean markParentAsDeleted = rarely(); boolean filterMe = rarely(); String parent = Integer.toString(parentDocId); Document document = new Document(); document.add( new StringField(UidFieldMapper.NAME, Uid.createUid("parent", parent), Field.Store.YES)); document.add(new StringField(TypeFieldMapper.NAME, "parent", Field.Store.NO)); if (markParentAsDeleted) { filteredOrDeletedDocs.add(parentDocId); document.add(new StringField("delete", "me", Field.Store.NO)); } if (filterMe) { filteredOrDeletedDocs.add(parentDocId); document.add(new StringField("filter", "me", Field.Store.NO)); } indexWriter.addDocument(document); int numChildDocs = scaledRandomIntBetween(0, 100); for (int i = 0; i < numChildDocs; i++) { boolean markChildAsDeleted = rarely(); String childValue = childValues[random().nextInt(childValues.length)]; document = new Document(); document.add( new StringField( UidFieldMapper.NAME, Uid.createUid("child", Integer.toString(childDocId++)), Field.Store.NO)); document.add(new StringField(TypeFieldMapper.NAME, "child", Field.Store.NO)); document.add( new StringField( ParentFieldMapper.NAME, Uid.createUid("parent", parent), Field.Store.NO)); document.add(new StringField("field1", childValue, Field.Store.NO)); if (markChildAsDeleted) { document.add(new StringField("delete", "me", Field.Store.NO)); } indexWriter.addDocument(document); if (!markChildAsDeleted) { NavigableMap<String, FloatArrayList> parentIdToChildScores; if (childValueToParentIds.containsKey(childValue)) { parentIdToChildScores = childValueToParentIds.lget(); } else { childValueToParentIds.put(childValue, parentIdToChildScores = new TreeMap<>()); } if (!markParentAsDeleted && !filterMe) { FloatArrayList childScores = parentIdToChildScores.get(parent); if (childScores == null) { parentIdToChildScores.put(parent, childScores = new FloatArrayList()); } childScores.add(1f); } } } } // Delete docs that are marked to be deleted. indexWriter.deleteDocuments(new Term("delete", "me")); indexWriter.commit(); IndexReader indexReader = DirectoryReader.open(directory); IndexSearcher searcher = new IndexSearcher(indexReader); Engine.Searcher engineSearcher = new Engine.Searcher(ChildrenQueryTests.class.getSimpleName(), searcher); ((TestSearchContext) SearchContext.current()) .setSearcher(new ContextIndexSearcher(SearchContext.current(), engineSearcher)); int max = numUniqueChildValues / 4; for (int i = 0; i < max; i++) { // Simulate a parent update if (random().nextBoolean()) { final int numberOfUpdatableParents = numParentDocs - filteredOrDeletedDocs.size(); int numberOfUpdates = RandomInts.randomIntBetween( random(), 0, Math.min(numberOfUpdatableParents, TEST_NIGHTLY ? 25 : 5)); for (int j = 0; j < numberOfUpdates; j++) { int parentId; do { parentId = random().nextInt(numParentDocs); } while (filteredOrDeletedDocs.contains(parentId)); String parentUid = Uid.createUid("parent", Integer.toString(parentId)); indexWriter.deleteDocuments(new Term(UidFieldMapper.NAME, parentUid)); Document document = new Document(); document.add(new StringField(UidFieldMapper.NAME, parentUid, Field.Store.YES)); document.add(new StringField(TypeFieldMapper.NAME, "parent", Field.Store.NO)); indexWriter.addDocument(document); } indexReader.close(); indexReader = DirectoryReader.open(indexWriter.w, true); searcher = new IndexSearcher(indexReader); engineSearcher = new Engine.Searcher(ChildrenConstantScoreQueryTests.class.getSimpleName(), searcher); ((TestSearchContext) SearchContext.current()) .setSearcher(new ContextIndexSearcher(SearchContext.current(), engineSearcher)); } String childValue = childValues[random().nextInt(numUniqueChildValues)]; int shortCircuitParentDocSet = random().nextInt(numParentDocs); ScoreType scoreType = ScoreType.values()[random().nextInt(ScoreType.values().length)]; // leave min/max set to 0 half the time int minChildren = random().nextInt(2) * scaledRandomIntBetween(0, 110); int maxChildren = random().nextInt(2) * scaledRandomIntBetween(minChildren, 110); QueryBuilder queryBuilder = hasChildQuery("child", constantScoreQuery(termQuery("field1", childValue))) .scoreType(scoreType.name().toLowerCase(Locale.ENGLISH)) .minChildren(minChildren) .maxChildren(maxChildren) .setShortCircuitCutoff(shortCircuitParentDocSet); // Using a FQ, will invoke / test the Scorer#advance(..) and also let the Weight#scorer not // get live docs as acceptedDocs queryBuilder = filteredQuery(queryBuilder, notFilter(termFilter("filter", "me"))); Query query = parseQuery(queryBuilder); BitSetCollector collector = new BitSetCollector(indexReader.maxDoc()); int numHits = 1 + random().nextInt(25); TopScoreDocCollector actualTopDocsCollector = TopScoreDocCollector.create(numHits); searcher.search(query, MultiCollector.wrap(collector, actualTopDocsCollector)); FixedBitSet actualResult = collector.getResult(); FixedBitSet expectedResult = new FixedBitSet(indexReader.maxDoc()); TopScoreDocCollector expectedTopDocsCollector = TopScoreDocCollector.create(numHits); if (childValueToParentIds.containsKey(childValue)) { LeafReader slowLeafReader = SlowCompositeReaderWrapper.wrap(indexReader); final FloatArrayList[] scores = new FloatArrayList[slowLeafReader.maxDoc()]; Terms terms = slowLeafReader.terms(UidFieldMapper.NAME); if (terms != null) { NavigableMap<String, FloatArrayList> parentIdToChildScores = childValueToParentIds.lget(); TermsEnum termsEnum = terms.iterator(null); DocsEnum docsEnum = null; for (Map.Entry<String, FloatArrayList> entry : parentIdToChildScores.entrySet()) { int count = entry.getValue().elementsCount; if (count >= minChildren && (maxChildren == 0 || count <= maxChildren)) { TermsEnum.SeekStatus seekStatus = termsEnum.seekCeil(Uid.createUidAsBytes("parent", entry.getKey())); if (seekStatus == TermsEnum.SeekStatus.FOUND) { docsEnum = termsEnum.docs(slowLeafReader.getLiveDocs(), docsEnum, DocsEnum.FLAG_NONE); expectedResult.set(docsEnum.nextDoc()); scores[docsEnum.docID()] = new FloatArrayList(entry.getValue()); } else if (seekStatus == TermsEnum.SeekStatus.END) { break; } } } } MockScorer mockScorer = new MockScorer(scoreType); final LeafCollector leafCollector = expectedTopDocsCollector.getLeafCollector(slowLeafReader.getContext()); leafCollector.setScorer(mockScorer); for (int doc = expectedResult.nextSetBit(0); doc < slowLeafReader.maxDoc(); doc = doc + 1 >= expectedResult.length() ? DocIdSetIterator.NO_MORE_DOCS : expectedResult.nextSetBit(doc + 1)) { mockScorer.scores = scores[doc]; leafCollector.collect(doc); } } assertBitSet(actualResult, expectedResult, searcher); assertTopDocs(actualTopDocsCollector.topDocs(), expectedTopDocsCollector.topDocs()); } indexWriter.close(); indexReader.close(); directory.close(); }
@Test public void testRandom() throws Exception { Directory directory = newDirectory(); final Random r = random(); final IndexWriterConfig iwc = LuceneTestCase.newIndexWriterConfig(r, new MockAnalyzer(r)) .setMaxBufferedDocs(IndexWriterConfig.DISABLE_AUTO_FLUSH) .setRAMBufferSizeMB( scaledRandomIntBetween(16, 64)); // we might index a lot - don't go crazy here RandomIndexWriter indexWriter = new RandomIndexWriter(r, directory, iwc); int numUniqueChildValues = scaledRandomIntBetween(100, 2000); String[] childValues = new String[numUniqueChildValues]; for (int i = 0; i < numUniqueChildValues; i++) { childValues[i] = Integer.toString(i); } IntOpenHashSet filteredOrDeletedDocs = new IntOpenHashSet(); int childDocId = 0; int numParentDocs = scaledRandomIntBetween(1, numUniqueChildValues); ObjectObjectOpenHashMap<String, NavigableSet<String>> childValueToParentIds = new ObjectObjectOpenHashMap<>(); for (int parentDocId = 0; parentDocId < numParentDocs; parentDocId++) { boolean markParentAsDeleted = rarely(); boolean filterMe = rarely(); String parent = Integer.toString(parentDocId); Document document = new Document(); document.add( new StringField(UidFieldMapper.NAME, Uid.createUid("parent", parent), Field.Store.YES)); document.add(new StringField(TypeFieldMapper.NAME, "parent", Field.Store.NO)); if (markParentAsDeleted) { filteredOrDeletedDocs.add(parentDocId); document.add(new StringField("delete", "me", Field.Store.NO)); } if (filterMe) { filteredOrDeletedDocs.add(parentDocId); document.add(new StringField("filter", "me", Field.Store.NO)); } indexWriter.addDocument(document); final int numChildDocs = scaledRandomIntBetween(0, 100); for (int i = 0; i < numChildDocs; i++) { boolean markChildAsDeleted = rarely(); String childValue = childValues[random().nextInt(childValues.length)]; document = new Document(); document.add( new StringField( UidFieldMapper.NAME, Uid.createUid("child", Integer.toString(childDocId++)), Field.Store.NO)); document.add(new StringField(TypeFieldMapper.NAME, "child", Field.Store.NO)); document.add( new StringField( ParentFieldMapper.NAME, Uid.createUid("parent", parent), Field.Store.NO)); document.add(new StringField("field1", childValue, Field.Store.NO)); if (markChildAsDeleted) { document.add(new StringField("delete", "me", Field.Store.NO)); } indexWriter.addDocument(document); if (!markChildAsDeleted) { NavigableSet<String> parentIds; if (childValueToParentIds.containsKey(childValue)) { parentIds = childValueToParentIds.lget(); } else { childValueToParentIds.put(childValue, parentIds = new TreeSet<>()); } if (!markParentAsDeleted && !filterMe) { parentIds.add(parent); } } } } // Delete docs that are marked to be deleted. indexWriter.deleteDocuments(new Term("delete", "me")); indexWriter.commit(); IndexReader indexReader = DirectoryReader.open(directory); IndexSearcher searcher = new IndexSearcher(indexReader); Engine.Searcher engineSearcher = new Engine.Searcher(ChildrenConstantScoreQueryTests.class.getSimpleName(), searcher); ((TestSearchContext) SearchContext.current()) .setSearcher(new ContextIndexSearcher(SearchContext.current(), engineSearcher)); int max = numUniqueChildValues / 4; for (int i = 0; i < max; i++) { // Simulate a parent update if (random().nextBoolean()) { final int numberOfUpdatableParents = numParentDocs - filteredOrDeletedDocs.size(); int numberOfUpdates = scaledRandomIntBetween(0, numberOfUpdatableParents); for (int j = 0; j < numberOfUpdates; j++) { int parentId; do { parentId = random().nextInt(numParentDocs); } while (filteredOrDeletedDocs.contains(parentId)); String parentUid = Uid.createUid("parent", Integer.toString(parentId)); indexWriter.deleteDocuments(new Term(UidFieldMapper.NAME, parentUid)); Document document = new Document(); document.add(new StringField(UidFieldMapper.NAME, parentUid, Field.Store.YES)); document.add(new StringField(TypeFieldMapper.NAME, "parent", Field.Store.NO)); indexWriter.addDocument(document); } indexReader.close(); indexReader = DirectoryReader.open(indexWriter.w, true); searcher = new IndexSearcher(indexReader); engineSearcher = new Engine.Searcher(ChildrenConstantScoreQueryTests.class.getSimpleName(), searcher); ((TestSearchContext) SearchContext.current()) .setSearcher(new ContextIndexSearcher(SearchContext.current(), engineSearcher)); } String childValue = childValues[random().nextInt(numUniqueChildValues)]; int shortCircuitParentDocSet = random().nextInt(numParentDocs); QueryBuilder queryBuilder; if (random().nextBoolean()) { queryBuilder = hasChildQuery("child", termQuery("field1", childValue)) .setShortCircuitCutoff(shortCircuitParentDocSet); } else { queryBuilder = constantScoreQuery( hasChildFilter("child", termQuery("field1", childValue)) .setShortCircuitCutoff(shortCircuitParentDocSet)); } // Using a FQ, will invoke / test the Scorer#advance(..) and also let the Weight#scorer not // get live docs as acceptedDocs queryBuilder = filteredQuery(queryBuilder, notFilter(termFilter("filter", "me"))); Query query = parseQuery(queryBuilder); BitSetCollector collector = new BitSetCollector(indexReader.maxDoc()); searcher.search(query, collector); FixedBitSet actualResult = collector.getResult(); FixedBitSet expectedResult = new FixedBitSet(indexReader.maxDoc()); if (childValueToParentIds.containsKey(childValue)) { LeafReader slowLeafReader = SlowCompositeReaderWrapper.wrap(indexReader); Terms terms = slowLeafReader.terms(UidFieldMapper.NAME); if (terms != null) { NavigableSet<String> parentIds = childValueToParentIds.lget(); TermsEnum termsEnum = terms.iterator(null); PostingsEnum docsEnum = null; for (String id : parentIds) { TermsEnum.SeekStatus seekStatus = termsEnum.seekCeil(Uid.createUidAsBytes("parent", id)); if (seekStatus == TermsEnum.SeekStatus.FOUND) { docsEnum = termsEnum.postings(slowLeafReader.getLiveDocs(), docsEnum, PostingsEnum.NONE); expectedResult.set(docsEnum.nextDoc()); } else if (seekStatus == TermsEnum.SeekStatus.END) { break; } } } } assertBitSet(actualResult, expectedResult, searcher); } indexWriter.close(); indexReader.close(); directory.close(); }