Examples with Uid org.opensearch.index.mapper.Uid used on opensource projects

Example 1 with Uid

use of org.opensearch.index.mapper.Uid in project OpenSearch by opensearch-project.

the class InternalEngineTests method testRebuildLocalCheckpointTrackerAndVersionMap.

public void testRebuildLocalCheckpointTrackerAndVersionMap() throws Exception {
    final AtomicLong globalCheckpoint = new AtomicLong(SequenceNumbers.NO_OPS_PERFORMED);
    Path translogPath = createTempDir();
    List<Engine.Operation> operations = generateHistoryOnReplica(between(1, 500), randomBoolean(), randomBoolean(), randomBoolean());
    List<List<Engine.Operation>> commits = new ArrayList<>();
    commits.add(new ArrayList<>());
    try (Store store = createStore()) {
        EngineConfig config = config(defaultSettings, store, translogPath, NoMergePolicy.INSTANCE, null, null, globalCheckpoint::get);
        final List<DocIdSeqNoAndSource> docs;
        try (InternalEngine engine = createEngine(config)) {
            List<Engine.Operation> flushedOperations = new ArrayList<>();
            for (Engine.Operation op : operations) {
                flushedOperations.add(op);
                applyOperation(engine, op);
                if (randomBoolean()) {
                    engine.syncTranslog();
                    globalCheckpoint.set(randomLongBetween(globalCheckpoint.get(), engine.getPersistedLocalCheckpoint()));
                }
                if (randomInt(100) < 10) {
                    engine.refresh("test");
                }
                if (randomInt(100) < 5) {
                    engine.flush(true, true);
                    flushedOperations.sort(Comparator.comparing(Engine.Operation::seqNo));
                    commits.add(new ArrayList<>(flushedOperations));
                }
            }
            docs = getDocIds(engine, true);
        }
        List<Engine.Operation> operationsInSafeCommit = null;
        for (int i = commits.size() - 1; i >= 0; i--) {
            if (commits.get(i).stream().allMatch(op -> op.seqNo() <= globalCheckpoint.get())) {
                operationsInSafeCommit = commits.get(i);
                break;
            }
        }
        assertThat(operationsInSafeCommit, notNullValue());
        try (InternalEngine engine = new InternalEngine(config)) {
            // do not recover from translog
            final Map<BytesRef, Engine.Operation> deletesAfterCheckpoint = new HashMap<>();
            for (Engine.Operation op : operationsInSafeCommit) {
                if (op instanceof Engine.NoOp == false && op.seqNo() > engine.getPersistedLocalCheckpoint()) {
                    deletesAfterCheckpoint.put(new Term(IdFieldMapper.NAME, Uid.encodeId(op.id())).bytes(), op);
                }
            }
            deletesAfterCheckpoint.values().removeIf(o -> o instanceof Engine.Delete == false);
            final Map<BytesRef, VersionValue> versionMap = engine.getVersionMap();
            for (BytesRef uid : deletesAfterCheckpoint.keySet()) {
                final VersionValue versionValue = versionMap.get(uid);
                final Engine.Operation op = deletesAfterCheckpoint.get(uid);
                final String msg = versionValue + " vs " + "op[" + op.operationType() + "id=" + op.id() + " seqno=" + op.seqNo() + " term=" + op.primaryTerm() + "]";
                assertThat(versionValue, instanceOf(DeleteVersionValue.class));
                assertThat(msg, versionValue.seqNo, equalTo(op.seqNo()));
                assertThat(msg, versionValue.term, equalTo(op.primaryTerm()));
                assertThat(msg, versionValue.version, equalTo(op.version()));
            }
            assertThat(versionMap.keySet(), equalTo(deletesAfterCheckpoint.keySet()));
            final LocalCheckpointTracker tracker = engine.getLocalCheckpointTracker();
            final Set<Long> seqNosInSafeCommit = operationsInSafeCommit.stream().map(op -> op.seqNo()).collect(Collectors.toSet());
            for (Engine.Operation op : operations) {
                assertThat("seq_no=" + op.seqNo() + " max_seq_no=" + tracker.getMaxSeqNo() + "checkpoint=" + tracker.getProcessedCheckpoint(), tracker.hasProcessed(op.seqNo()), equalTo(seqNosInSafeCommit.contains(op.seqNo())));
            }
            engine.recoverFromTranslog(translogHandler, Long.MAX_VALUE);
            assertThat(getDocIds(engine, true), equalTo(docs));
        }
    }
}

Example 2 with Uid

use of org.opensearch.index.mapper.Uid in project OpenSearch by opensearch-project.

the class FetchPhase method prepareNonNestedHitContext.

/**
 * Resets the provided {@link HitContext} with information on the current
 * document. This includes the following:
 *   - Adding an initial {@link SearchHit} instance.
 *   - Loading the document source and setting it on {@link SourceLookup}. This allows
 *     fetch subphases that use the hit context to access the preloaded source.
 */
private HitContext prepareNonNestedHitContext(SearchContext context, SearchLookup lookup, FieldsVisitor fieldsVisitor, int docId, Map<String, Set<String>> storedToRequestedFields, LeafReaderContext subReaderContext, CheckedBiConsumer<Integer, FieldsVisitor, IOException> fieldReader) throws IOException {
    int subDocId = docId - subReaderContext.docBase;
    DocumentMapper documentMapper = context.mapperService().documentMapper();
    Text typeText = documentMapper.typeText();
    if (fieldsVisitor == null) {
        SearchHit hit = new SearchHit(docId, null, null, null);
        return new HitContext(hit, subReaderContext, subDocId, lookup.source());
    } else {
        SearchHit hit;
        loadStoredFields(context.mapperService(), fieldReader, fieldsVisitor, subDocId);
        Uid uid = fieldsVisitor.uid();
        if (fieldsVisitor.fields().isEmpty() == false) {
            Map<String, DocumentField> docFields = new HashMap<>();
            Map<String, DocumentField> metaFields = new HashMap<>();
            fillDocAndMetaFields(context, fieldsVisitor, storedToRequestedFields, docFields, metaFields);
            hit = new SearchHit(docId, uid.id(), docFields, metaFields);
        } else {
            hit = new SearchHit(docId, uid.id(), emptyMap(), emptyMap());
        }
        HitContext hitContext = new HitContext(hit, subReaderContext, subDocId, lookup.source());
        if (fieldsVisitor.source() != null) {
            hitContext.sourceLookup().setSource(fieldsVisitor.source());
        }
        return hitContext;
    }
}

Example 3 with Uid

use of org.opensearch.index.mapper.Uid in project OpenSearch by opensearch-project.

the class FetchPhase method prepareNestedHitContext.

/**
 * Resets the provided {@link HitContext} with information on the current
 * nested document. This includes the following:
 *   - Adding an initial {@link SearchHit} instance.
 *   - Loading the document source, filtering it based on the nested document ID, then
 *     setting it on {@link SourceLookup}. This allows fetch subphases that use the hit
 *     context to access the preloaded source.
 */
@SuppressWarnings("unchecked")
private HitContext prepareNestedHitContext(SearchContext context, int nestedTopDocId, int rootDocId, Map<String, Set<String>> storedToRequestedFields, LeafReaderContext subReaderContext, CheckedBiConsumer<Integer, FieldsVisitor, IOException> storedFieldReader) throws IOException {
    // Also if highlighting is requested on nested documents we need to fetch the _source from the root document,
    // otherwise highlighting will attempt to fetch the _source from the nested doc, which will fail,
    // because the entire _source is only stored with the root document.
    boolean needSource = sourceRequired(context) || context.highlight() != null;
    Uid rootId;
    Map<String, Object> rootSourceAsMap = null;
    XContentType rootSourceContentType = null;
    int nestedDocId = nestedTopDocId - subReaderContext.docBase;
    if (context instanceof InnerHitsContext.InnerHitSubContext) {
        InnerHitsContext.InnerHitSubContext innerHitsContext = (InnerHitsContext.InnerHitSubContext) context;
        rootId = innerHitsContext.getRootId();
        if (needSource) {
            SourceLookup rootLookup = innerHitsContext.getRootLookup();
            rootSourceAsMap = rootLookup.loadSourceIfNeeded();
            rootSourceContentType = rootLookup.sourceContentType();
        }
    } else {
        FieldsVisitor rootFieldsVisitor = new FieldsVisitor(needSource);
        loadStoredFields(context.mapperService(), storedFieldReader, rootFieldsVisitor, rootDocId);
        rootFieldsVisitor.postProcess(context.mapperService());
        rootId = rootFieldsVisitor.uid();
        if (needSource) {
            if (rootFieldsVisitor.source() != null) {
                Tuple<XContentType, Map<String, Object>> tuple = XContentHelper.convertToMap(rootFieldsVisitor.source(), false);
                rootSourceAsMap = tuple.v2();
                rootSourceContentType = tuple.v1();
            } else {
                rootSourceAsMap = Collections.emptyMap();
            }
        }
    }
    Map<String, DocumentField> docFields = emptyMap();
    Map<String, DocumentField> metaFields = emptyMap();
    if (context.hasStoredFields() && !context.storedFieldsContext().fieldNames().isEmpty()) {
        FieldsVisitor nestedFieldsVisitor = new CustomFieldsVisitor(storedToRequestedFields.keySet(), false);
        loadStoredFields(context.mapperService(), storedFieldReader, nestedFieldsVisitor, nestedDocId);
        if (nestedFieldsVisitor.fields().isEmpty() == false) {
            docFields = new HashMap<>();
            metaFields = new HashMap<>();
            fillDocAndMetaFields(context, nestedFieldsVisitor, storedToRequestedFields, docFields, metaFields);
        }
    }
    DocumentMapper documentMapper = context.mapperService().documentMapper();
    ObjectMapper nestedObjectMapper = documentMapper.findNestedObjectMapper(nestedDocId, context, subReaderContext);
    assert nestedObjectMapper != null;
    SearchHit.NestedIdentity nestedIdentity = getInternalNestedIdentity(context, nestedDocId, subReaderContext, context.mapperService(), nestedObjectMapper);
    SearchHit hit = new SearchHit(nestedTopDocId, rootId.id(), nestedIdentity, docFields, metaFields);
    // Use a clean, fresh SourceLookup
    HitContext hitContext = new HitContext(hit, subReaderContext, nestedDocId, new SourceLookup());
    if (rootSourceAsMap != null && rootSourceAsMap.isEmpty() == false) {
        // Isolate the nested json array object that matches with nested hit and wrap it back into the same json
        // structure with the nested json array object being the actual content. The latter is important, so that
        // features like source filtering and highlighting work consistent regardless of whether the field points
        // to a json object array for consistency reasons on how we refer to fields
        Map<String, Object> nestedSourceAsMap = new HashMap<>();
        Map<String, Object> current = nestedSourceAsMap;
        for (SearchHit.NestedIdentity nested = nestedIdentity; nested != null; nested = nested.getChild()) {
            String nestedPath = nested.getField().string();
            current.put(nestedPath, new HashMap<>());
            Object extractedValue = XContentMapValues.extractValue(nestedPath, rootSourceAsMap);
            List<?> nestedParsedSource;
            if (extractedValue instanceof List) {
                // nested field has an array value in the _source
                nestedParsedSource = (List<?>) extractedValue;
            } else if (extractedValue instanceof Map) {
                // nested field has an object value in the _source. This just means the nested field has just one inner object,
                // which is valid, but uncommon.
                nestedParsedSource = Collections.singletonList(extractedValue);
            } else {
                throw new IllegalStateException("extracted source isn't an object or an array");
            }
            if ((nestedParsedSource.get(0) instanceof Map) == false && nestedObjectMapper.parentObjectMapperAreNested(context.mapperService()) == false) {
                // This is why only the first element of nestedParsedSource needs to be checked.
                throw new IllegalArgumentException("Cannot execute inner hits. One or more parent object fields of nested field [" + nestedObjectMapper.name() + "] are not nested. All parent fields need to be nested fields too");
            }
            rootSourceAsMap = (Map<String, Object>) nestedParsedSource.get(nested.getOffset());
            if (nested.getChild() == null) {
                current.put(nestedPath, rootSourceAsMap);
            } else {
                Map<String, Object> next = new HashMap<>();
                current.put(nestedPath, next);
                current = next;
            }
        }
        hitContext.sourceLookup().setSource(nestedSourceAsMap);
        hitContext.sourceLookup().setSourceContentType(rootSourceContentType);
    }
    return hitContext;
}

Example 4 with Uid

use of org.opensearch.index.mapper.Uid in project OpenSearch by opensearch-project.

the class InnerHitsPhase method hitExecute.

private void hitExecute(Map<String, InnerHitsContext.InnerHitSubContext> innerHits, SearchHit hit, SourceLookup rootLookup) throws IOException {
    for (Map.Entry<String, InnerHitsContext.InnerHitSubContext> entry : innerHits.entrySet()) {
        InnerHitsContext.InnerHitSubContext innerHitsContext = entry.getValue();
        TopDocsAndMaxScore topDoc = innerHitsContext.topDocs(hit);
        Map<String, SearchHits> results = hit.getInnerHits();
        if (results == null) {
            hit.setInnerHits(results = new HashMap<>());
        }
        innerHitsContext.queryResult().topDocs(topDoc, innerHitsContext.sort() == null ? null : innerHitsContext.sort().formats);
        int[] docIdsToLoad = new int[topDoc.topDocs.scoreDocs.length];
        for (int j = 0; j < topDoc.topDocs.scoreDocs.length; j++) {
            docIdsToLoad[j] = topDoc.topDocs.scoreDocs[j].doc;
        }
        innerHitsContext.docIdsToLoad(docIdsToLoad, 0, docIdsToLoad.length);
        innerHitsContext.setRootId(new Uid(MapperService.SINGLE_MAPPING_NAME, hit.getId()));
        innerHitsContext.setRootLookup(rootLookup);
        fetchPhase.execute(innerHitsContext);
        FetchSearchResult fetchResult = innerHitsContext.fetchResult();
        SearchHit[] internalHits = fetchResult.fetchResult().hits().getHits();
        for (int j = 0; j < internalHits.length; j++) {
            ScoreDoc scoreDoc = topDoc.topDocs.scoreDocs[j];
            SearchHit searchHitFields = internalHits[j];
            searchHitFields.score(scoreDoc.score);
            if (scoreDoc instanceof FieldDoc) {
                FieldDoc fieldDoc = (FieldDoc) scoreDoc;
                searchHitFields.sortValues(fieldDoc.fields, innerHitsContext.sort().formats);
            }
        }
        results.put(entry.getKey(), fetchResult.hits());
    }
}