Examples with SortAndFormats org.opensearch.search.sort.SortAndFormats used on opensource projects

Example 6 with SortAndFormats

use of org.opensearch.search.sort.SortAndFormats in project OpenSearch by opensearch-project.

the class InnerHitContextBuilder method setupInnerHitsContext.

protected void setupInnerHitsContext(QueryShardContext queryShardContext, InnerHitsContext.InnerHitSubContext innerHitsContext) throws IOException {
    innerHitsContext.from(innerHitBuilder.getFrom());
    innerHitsContext.size(innerHitBuilder.getSize());
    innerHitsContext.explain(innerHitBuilder.isExplain());
    innerHitsContext.version(innerHitBuilder.isVersion());
    innerHitsContext.seqNoAndPrimaryTerm(innerHitBuilder.isSeqNoAndPrimaryTerm());
    innerHitsContext.trackScores(innerHitBuilder.isTrackScores());
    if (innerHitBuilder.getStoredFieldsContext() != null) {
        innerHitsContext.storedFieldsContext(innerHitBuilder.getStoredFieldsContext());
    }
    if (innerHitBuilder.getDocValueFields() != null) {
        FetchDocValuesContext docValuesContext = FetchDocValuesContext.create(queryShardContext.getMapperService(), innerHitBuilder.getDocValueFields());
        innerHitsContext.docValuesContext(docValuesContext);
    }
    if (innerHitBuilder.getFetchFields() != null) {
        String indexName = queryShardContext.index().getName();
        FetchFieldsContext fieldsContext = new FetchFieldsContext(innerHitBuilder.getFetchFields());
        innerHitsContext.fetchFieldsContext(fieldsContext);
    }
    if (innerHitBuilder.getScriptFields() != null) {
        for (SearchSourceBuilder.ScriptField field : innerHitBuilder.getScriptFields()) {
            QueryShardContext innerContext = innerHitsContext.getQueryShardContext();
            FieldScript.Factory factory = innerContext.compile(field.script(), FieldScript.CONTEXT);
            FieldScript.LeafFactory fieldScript = factory.newFactory(field.script().getParams(), innerContext.lookup());
            innerHitsContext.scriptFields().add(new org.opensearch.search.fetch.subphase.ScriptFieldsContext.ScriptField(field.fieldName(), fieldScript, field.ignoreFailure()));
        }
    }
    if (innerHitBuilder.getFetchSourceContext() != null) {
        innerHitsContext.fetchSourceContext(innerHitBuilder.getFetchSourceContext());
    }
    if (innerHitBuilder.getSorts() != null) {
        Optional<SortAndFormats> optionalSort = SortBuilder.buildSort(innerHitBuilder.getSorts(), queryShardContext);
        if (optionalSort.isPresent()) {
            innerHitsContext.sort(optionalSort.get());
        }
    }
    if (innerHitBuilder.getHighlightBuilder() != null) {
        innerHitsContext.highlight(innerHitBuilder.getHighlightBuilder().build(queryShardContext));
    }
    ParsedQuery parsedQuery = new ParsedQuery(query.toQuery(queryShardContext), queryShardContext.copyNamedQueries());
    innerHitsContext.parsedQuery(parsedQuery);
    Map<String, InnerHitsContext.InnerHitSubContext> baseChildren = buildChildInnerHits(innerHitsContext.parentSearchContext(), children);
    innerHitsContext.setChildInnerHits(baseChildren);
}

Example 7 with SortAndFormats

use of org.opensearch.search.sort.SortAndFormats in project OpenSearch by opensearch-project.

the class TopHitsAggregationBuilder method doBuild.

@Override
protected TopHitsAggregatorFactory doBuild(QueryShardContext queryShardContext, AggregatorFactory parent, Builder subfactoriesBuilder) throws IOException {
    long innerResultWindow = from() + size();
    int maxInnerResultWindow = queryShardContext.getMapperService().getIndexSettings().getMaxInnerResultWindow();
    if (innerResultWindow > maxInnerResultWindow) {
        throw new IllegalArgumentException("Top hits result window is too large, the top hits aggregator [" + name + "]'s from + size must be less " + "than or equal to: [" + maxInnerResultWindow + "] but was [" + innerResultWindow + "]. This limit can be set by changing the [" + IndexSettings.MAX_INNER_RESULT_WINDOW_SETTING.getKey() + "] index level setting.");
    }
    List<ScriptFieldsContext.ScriptField> scriptFields = new ArrayList<>();
    if (this.scriptFields != null) {
        for (ScriptField field : this.scriptFields) {
            FieldScript.Factory factory = queryShardContext.compile(field.script(), FieldScript.CONTEXT);
            FieldScript.LeafFactory searchScript = factory.newFactory(field.script().getParams(), queryShardContext.lookup());
            scriptFields.add(new org.opensearch.search.fetch.subphase.ScriptFieldsContext.ScriptField(field.fieldName(), searchScript, field.ignoreFailure()));
        }
    }
    final Optional<SortAndFormats> optionalSort;
    if (sorts == null) {
        optionalSort = Optional.empty();
    } else {
        optionalSort = SortBuilder.buildSort(sorts, queryShardContext);
    }
    return new TopHitsAggregatorFactory(name, from, size, explain, version, seqNoAndPrimaryTerm, trackScores, optionalSort, highlightBuilder, storedFieldsContext, docValueFields, fetchFields, scriptFields, fetchSourceContext, queryShardContext, parent, subfactoriesBuilder, metadata);
}

Example 8 with SortAndFormats

use of org.opensearch.search.sort.SortAndFormats in project OpenSearch by opensearch-project.

the class SearchService method parseSource.

private void parseSource(DefaultSearchContext context, SearchSourceBuilder source, boolean includeAggregations) {
    // nothing to parse...
    if (source == null) {
        return;
    }
    SearchShardTarget shardTarget = context.shardTarget();
    QueryShardContext queryShardContext = context.getQueryShardContext();
    context.from(source.from());
    context.size(source.size());
    Map<String, InnerHitContextBuilder> innerHitBuilders = new HashMap<>();
    if (source.query() != null) {
        InnerHitContextBuilder.extractInnerHits(source.query(), innerHitBuilders);
        context.parsedQuery(queryShardContext.toQuery(source.query()));
    }
    if (source.postFilter() != null) {
        InnerHitContextBuilder.extractInnerHits(source.postFilter(), innerHitBuilders);
        context.parsedPostFilter(queryShardContext.toQuery(source.postFilter()));
    }
    if (innerHitBuilders.size() > 0) {
        for (Map.Entry<String, InnerHitContextBuilder> entry : innerHitBuilders.entrySet()) {
            try {
                entry.getValue().build(context, context.innerHits());
            } catch (IOException e) {
                throw new SearchException(shardTarget, "failed to build inner_hits", e);
            }
        }
    }
    if (source.sorts() != null) {
        try {
            Optional<SortAndFormats> optionalSort = SortBuilder.buildSort(source.sorts(), context.getQueryShardContext());
            if (optionalSort.isPresent()) {
                context.sort(optionalSort.get());
            }
        } catch (IOException e) {
            throw new SearchException(shardTarget, "failed to create sort elements", e);
        }
    }
    context.trackScores(source.trackScores());
    if (source.trackTotalHitsUpTo() != null && source.trackTotalHitsUpTo() != SearchContext.TRACK_TOTAL_HITS_ACCURATE && context.scrollContext() != null) {
        throw new SearchException(shardTarget, "disabling [track_total_hits] is not allowed in a scroll context");
    }
    if (source.trackTotalHitsUpTo() != null) {
        context.trackTotalHitsUpTo(source.trackTotalHitsUpTo());
    }
    if (source.minScore() != null) {
        context.minimumScore(source.minScore());
    }
    if (source.profile()) {
        context.setProfilers(new Profilers(context.searcher()));
    }
    if (source.timeout() != null) {
        context.timeout(source.timeout());
    }
    context.terminateAfter(source.terminateAfter());
    if (source.aggregations() != null && includeAggregations) {
        try {
            AggregatorFactories factories = source.aggregations().build(queryShardContext, null);
            context.aggregations(new SearchContextAggregations(factories, multiBucketConsumerService.create()));
        } catch (IOException e) {
            throw new AggregationInitializationException("Failed to create aggregators", e);
        }
    }
    if (source.suggest() != null) {
        try {
            context.suggest(source.suggest().build(queryShardContext));
        } catch (IOException e) {
            throw new SearchException(shardTarget, "failed to create SuggestionSearchContext", e);
        }
    }
    if (source.rescores() != null) {
        try {
            for (RescorerBuilder<?> rescore : source.rescores()) {
                context.addRescore(rescore.buildContext(queryShardContext));
            }
        } catch (IOException e) {
            throw new SearchException(shardTarget, "failed to create RescoreSearchContext", e);
        }
    }
    if (source.explain() != null) {
        context.explain(source.explain());
    }
    if (source.fetchSource() != null) {
        context.fetchSourceContext(source.fetchSource());
    }
    if (source.docValueFields() != null) {
        FetchDocValuesContext docValuesContext = FetchDocValuesContext.create(context.mapperService(), source.docValueFields());
        context.docValuesContext(docValuesContext);
    }
    if (source.fetchFields() != null) {
        FetchFieldsContext fetchFieldsContext = new FetchFieldsContext(source.fetchFields());
        context.fetchFieldsContext(fetchFieldsContext);
    }
    if (source.highlighter() != null) {
        HighlightBuilder highlightBuilder = source.highlighter();
        try {
            context.highlight(highlightBuilder.build(queryShardContext));
        } catch (IOException e) {
            throw new SearchException(shardTarget, "failed to create SearchContextHighlighter", e);
        }
    }
    if (source.scriptFields() != null && source.size() != 0) {
        int maxAllowedScriptFields = context.mapperService().getIndexSettings().getMaxScriptFields();
        if (source.scriptFields().size() > maxAllowedScriptFields) {
            throw new IllegalArgumentException("Trying to retrieve too many script_fields. Must be less than or equal to: [" + maxAllowedScriptFields + "] but was [" + source.scriptFields().size() + "]. This limit can be set by changing the [" + IndexSettings.MAX_SCRIPT_FIELDS_SETTING.getKey() + "] index level setting.");
        }
        for (org.opensearch.search.builder.SearchSourceBuilder.ScriptField field : source.scriptFields()) {
            FieldScript.Factory factory = scriptService.compile(field.script(), FieldScript.CONTEXT);
            SearchLookup lookup = context.getQueryShardContext().lookup();
            FieldScript.LeafFactory searchScript = factory.newFactory(field.script().getParams(), lookup);
            context.scriptFields().add(new ScriptField(field.fieldName(), searchScript, field.ignoreFailure()));
        }
    }
    if (source.ext() != null) {
        for (SearchExtBuilder searchExtBuilder : source.ext()) {
            context.addSearchExt(searchExtBuilder);
        }
    }
    if (source.version() != null) {
        context.version(source.version());
    }
    if (source.seqNoAndPrimaryTerm() != null) {
        context.seqNoAndPrimaryTerm(source.seqNoAndPrimaryTerm());
    }
    if (source.stats() != null) {
        context.groupStats(source.stats());
    }
    if (CollectionUtils.isEmpty(source.searchAfter()) == false) {
        if (context.scrollContext() != null) {
            throw new SearchException(shardTarget, "`search_after` cannot be used in a scroll context.");
        }
        if (context.from() > 0) {
            throw new SearchException(shardTarget, "`from` parameter must be set to 0 when `search_after` is used.");
        }
        FieldDoc fieldDoc = SearchAfterBuilder.buildFieldDoc(context.sort(), source.searchAfter());
        context.searchAfter(fieldDoc);
    }
    if (source.slice() != null) {
        if (context.scrollContext() == null) {
            throw new SearchException(shardTarget, "`slice` cannot be used outside of a scroll context");
        }
        context.sliceBuilder(source.slice());
    }
    if (source.storedFields() != null) {
        if (source.storedFields().fetchFields() == false) {
            if (context.sourceRequested()) {
                throw new SearchException(shardTarget, "[stored_fields] cannot be disabled if [_source] is requested");
            }
            if (context.fetchFieldsContext() != null) {
                throw new SearchException(shardTarget, "[stored_fields] cannot be disabled when using the [fields] option");
            }
        }
        context.storedFieldsContext(source.storedFields());
    }
    if (source.collapse() != null) {
        if (context.scrollContext() != null) {
            throw new SearchException(shardTarget, "cannot use `collapse` in a scroll context");
        }
        if (context.searchAfter() != null) {
            throw new SearchException(shardTarget, "cannot use `collapse` in conjunction with `search_after`");
        }
        if (context.rescore() != null && context.rescore().isEmpty() == false) {
            throw new SearchException(shardTarget, "cannot use `collapse` in conjunction with `rescore`");
        }
        final CollapseContext collapseContext = source.collapse().build(queryShardContext);
        context.collapse(collapseContext);
    }
}

Example 9 with SortAndFormats

use of org.opensearch.search.sort.SortAndFormats in project OpenSearch by opensearch-project.

the class TopHitsAggregator method getLeafCollector.

@Override
public LeafBucketCollector getLeafCollector(LeafReaderContext ctx, LeafBucketCollector sub) throws IOException {
    // Create leaf collectors here instead of at the aggregator level. Otherwise in case this collector get invoked
    // when post collecting then we have already replaced the leaf readers on the aggregator level have already been
    // replaced with the next leaf readers and then post collection pushes docids of the previous segment, which
    // then causes assertions to trip or incorrect top docs to be computed.
    final LongObjectHashMap<LeafCollector> leafCollectors = new LongObjectHashMap<>(1);
    return new LeafBucketCollectorBase(sub, null) {

        Scorable scorer;

        @Override
        public void setScorer(Scorable scorer) throws IOException {
            this.scorer = scorer;
            super.setScorer(scorer);
            for (ObjectCursor<LeafCollector> cursor : leafCollectors.values()) {
                cursor.value.setScorer(scorer);
            }
        }

        @Override
        public void collect(int docId, long bucket) throws IOException {
            Collectors collectors = topDocsCollectors.get(bucket);
            if (collectors == null) {
                SortAndFormats sort = subSearchContext.sort();
                int topN = subSearchContext.from() + subSearchContext.size();
                if (sort == null) {
                    for (RescoreContext rescoreContext : context.rescore()) {
                        topN = Math.max(rescoreContext.getWindowSize(), topN);
                    }
                }
                // In the QueryPhase we don't need this protection, because it is build into the IndexSearcher,
                // but here we create collectors ourselves and we need prevent OOM because of crazy an offset and size.
                topN = Math.min(topN, subSearchContext.searcher().getIndexReader().maxDoc());
                if (sort == null) {
                    collectors = new Collectors(TopScoreDocCollector.create(topN, Integer.MAX_VALUE), null);
                } else {
                    // TODO: can we pass trackTotalHits=subSearchContext.trackTotalHits(){
                    // Note that this would require to catch CollectionTerminatedException
                    collectors = new Collectors(TopFieldCollector.create(sort.sort, topN, Integer.MAX_VALUE), subSearchContext.trackScores() ? new MaxScoreCollector() : null);
                }
                topDocsCollectors.put(bucket, collectors);
            }
            final LeafCollector leafCollector;
            final int key = leafCollectors.indexOf(bucket);
            if (key < 0) {
                leafCollector = collectors.collector.getLeafCollector(ctx);
                if (scorer != null) {
                    leafCollector.setScorer(scorer);
                }
                leafCollectors.indexInsert(key, bucket, leafCollector);
            } else {
                leafCollector = leafCollectors.indexGet(key);
            }
            leafCollector.collect(docId);
        }
    };
}

Example 10 with SortAndFormats

use of org.opensearch.search.sort.SortAndFormats in project OpenSearch by opensearch-project.

the class DefaultSearchContextTests method testPreProcess.

public void testPreProcess() throws Exception {
    TimeValue timeout = new TimeValue(randomIntBetween(1, 100));
    ShardSearchRequest shardSearchRequest = mock(ShardSearchRequest.class);
    when(shardSearchRequest.searchType()).thenReturn(SearchType.DEFAULT);
    ShardId shardId = new ShardId("index", UUID.randomUUID().toString(), 1);
    when(shardSearchRequest.shardId()).thenReturn(shardId);
    ThreadPool threadPool = new TestThreadPool(this.getClass().getName());
    IndexShard indexShard = mock(IndexShard.class);
    QueryCachingPolicy queryCachingPolicy = mock(QueryCachingPolicy.class);
    when(indexShard.getQueryCachingPolicy()).thenReturn(queryCachingPolicy);
    when(indexShard.getThreadPool()).thenReturn(threadPool);
    int maxResultWindow = randomIntBetween(50, 100);
    int maxRescoreWindow = randomIntBetween(50, 100);
    int maxSlicesPerScroll = randomIntBetween(50, 100);
    Settings settings = Settings.builder().put("index.max_result_window", maxResultWindow).put("index.max_slices_per_scroll", maxSlicesPerScroll).put("index.max_rescore_window", maxRescoreWindow).put(IndexMetadata.SETTING_VERSION_CREATED, Version.CURRENT).put(IndexMetadata.SETTING_NUMBER_OF_REPLICAS, 1).put(IndexMetadata.SETTING_NUMBER_OF_SHARDS, 2).build();
    IndexService indexService = mock(IndexService.class);
    IndexCache indexCache = mock(IndexCache.class);
    QueryCache queryCache = mock(QueryCache.class);
    when(indexCache.query()).thenReturn(queryCache);
    when(indexService.cache()).thenReturn(indexCache);
    QueryShardContext queryShardContext = mock(QueryShardContext.class);
    when(indexService.newQueryShardContext(eq(shardId.id()), any(), any(), nullable(String.class))).thenReturn(queryShardContext);
    MapperService mapperService = mock(MapperService.class);
    when(mapperService.hasNested()).thenReturn(randomBoolean());
    when(indexService.mapperService()).thenReturn(mapperService);
    IndexMetadata indexMetadata = IndexMetadata.builder("index").settings(settings).build();
    IndexSettings indexSettings = new IndexSettings(indexMetadata, Settings.EMPTY);
    when(indexService.getIndexSettings()).thenReturn(indexSettings);
    when(mapperService.getIndexSettings()).thenReturn(indexSettings);
    BigArrays bigArrays = new MockBigArrays(new MockPageCacheRecycler(Settings.EMPTY), new NoneCircuitBreakerService());
    try (Directory dir = newDirectory();
        RandomIndexWriter w = new RandomIndexWriter(random(), dir)) {
        final Supplier<Engine.SearcherSupplier> searcherSupplier = () -> new Engine.SearcherSupplier(Function.identity()) {

            @Override
            protected void doClose() {
            }

            @Override
            protected Engine.Searcher acquireSearcherInternal(String source) {
                try {
                    IndexReader reader = w.getReader();
                    return new Engine.Searcher("test", reader, IndexSearcher.getDefaultSimilarity(), IndexSearcher.getDefaultQueryCache(), IndexSearcher.getDefaultQueryCachingPolicy(), reader);
                } catch (IOException exc) {
                    throw new AssertionError(exc);
                }
            }
        };
        SearchShardTarget target = new SearchShardTarget("node", shardId, null, OriginalIndices.NONE);
        ReaderContext readerWithoutScroll = new ReaderContext(newContextId(), indexService, indexShard, searcherSupplier.get(), randomNonNegativeLong(), false);
        DefaultSearchContext contextWithoutScroll = new DefaultSearchContext(readerWithoutScroll, shardSearchRequest, target, null, bigArrays, null, timeout, null, false, Version.CURRENT);
        contextWithoutScroll.from(300);
        contextWithoutScroll.close();
        // resultWindow greater than maxResultWindow and scrollContext is null
        IllegalArgumentException exception = expectThrows(IllegalArgumentException.class, () -> contextWithoutScroll.preProcess(false));
        assertThat(exception.getMessage(), equalTo("Result window is too large, from + size must be less than or equal to:" + " [" + maxResultWindow + "] but was [310]. See the scroll api for a more efficient way to request large data sets. " + "This limit can be set by changing the [" + IndexSettings.MAX_RESULT_WINDOW_SETTING.getKey() + "] index level setting."));
        // resultWindow greater than maxResultWindow and scrollContext isn't null
        when(shardSearchRequest.scroll()).thenReturn(new Scroll(TimeValue.timeValueMillis(randomInt(1000))));
        ReaderContext readerContext = new LegacyReaderContext(newContextId(), indexService, indexShard, searcherSupplier.get(), shardSearchRequest, randomNonNegativeLong());
        DefaultSearchContext context1 = new DefaultSearchContext(readerContext, shardSearchRequest, target, null, bigArrays, null, timeout, null, false, Version.CURRENT);
        context1.from(300);
        exception = expectThrows(IllegalArgumentException.class, () -> context1.preProcess(false));
        assertThat(exception.getMessage(), equalTo("Batch size is too large, size must be less than or equal to: [" + maxResultWindow + "] but was [310]. Scroll batch sizes cost as much memory as result windows so they are " + "controlled by the [" + IndexSettings.MAX_RESULT_WINDOW_SETTING.getKey() + "] index level setting."));
        // resultWindow not greater than maxResultWindow and both rescore and sort are not null
        context1.from(0);
        DocValueFormat docValueFormat = mock(DocValueFormat.class);
        SortAndFormats sortAndFormats = new SortAndFormats(new Sort(), new DocValueFormat[] { docValueFormat });
        context1.sort(sortAndFormats);
        RescoreContext rescoreContext = mock(RescoreContext.class);
        when(rescoreContext.getWindowSize()).thenReturn(500);
        context1.addRescore(rescoreContext);
        exception = expectThrows(IllegalArgumentException.class, () -> context1.preProcess(false));
        assertThat(exception.getMessage(), equalTo("Cannot use [sort] option in conjunction with [rescore]."));
        // rescore is null but sort is not null and rescoreContext.getWindowSize() exceeds maxResultWindow
        context1.sort(null);
        exception = expectThrows(IllegalArgumentException.class, () -> context1.preProcess(false));
        assertThat(exception.getMessage(), equalTo("Rescore window [" + rescoreContext.getWindowSize() + "] is too large. " + "It must be less than [" + maxRescoreWindow + "]. This prevents allocating massive heaps for storing the results " + "to be rescored. This limit can be set by changing the [" + IndexSettings.MAX_RESCORE_WINDOW_SETTING.getKey() + "] index level setting."));
        readerContext.close();
        readerContext = new ReaderContext(newContextId(), indexService, indexShard, searcherSupplier.get(), randomNonNegativeLong(), false);
        // rescore is null but sliceBuilder is not null
        DefaultSearchContext context2 = new DefaultSearchContext(readerContext, shardSearchRequest, target, null, bigArrays, null, timeout, null, false, Version.CURRENT);
        SliceBuilder sliceBuilder = mock(SliceBuilder.class);
        int numSlices = maxSlicesPerScroll + randomIntBetween(1, 100);
        when(sliceBuilder.getMax()).thenReturn(numSlices);
        context2.sliceBuilder(sliceBuilder);
        exception = expectThrows(IllegalArgumentException.class, () -> context2.preProcess(false));
        assertThat(exception.getMessage(), equalTo("The number of slices [" + numSlices + "] is too large. It must " + "be less than [" + maxSlicesPerScroll + "]. This limit can be set by changing the [" + IndexSettings.MAX_SLICES_PER_SCROLL.getKey() + "] index level setting."));
        // No exceptions should be thrown
        when(shardSearchRequest.getAliasFilter()).thenReturn(AliasFilter.EMPTY);
        when(shardSearchRequest.indexBoost()).thenReturn(AbstractQueryBuilder.DEFAULT_BOOST);
        DefaultSearchContext context3 = new DefaultSearchContext(readerContext, shardSearchRequest, target, null, bigArrays, null, timeout, null, false, Version.CURRENT);
        ParsedQuery parsedQuery = ParsedQuery.parsedMatchAllQuery();
        context3.sliceBuilder(null).parsedQuery(parsedQuery).preProcess(false);
        assertEquals(context3.query(), context3.buildFilteredQuery(parsedQuery.query()));
        when(queryShardContext.getIndexSettings()).thenReturn(indexSettings);
        when(queryShardContext.fieldMapper(anyString())).thenReturn(mock(MappedFieldType.class));
        when(shardSearchRequest.indexRoutings()).thenReturn(new String[0]);
        readerContext.close();
        readerContext = new ReaderContext(newContextId(), indexService, indexShard, searcherSupplier.get(), randomNonNegativeLong(), false);
        DefaultSearchContext context4 = new DefaultSearchContext(readerContext, shardSearchRequest, target, null, bigArrays, null, timeout, null, false, Version.CURRENT);
        context4.sliceBuilder(new SliceBuilder(1, 2)).parsedQuery(parsedQuery).preProcess(false);
        Query query1 = context4.query();
        context4.sliceBuilder(new SliceBuilder(0, 2)).parsedQuery(parsedQuery).preProcess(false);
        Query query2 = context4.query();
        assertTrue(query1 instanceof MatchNoDocsQuery || query2 instanceof MatchNoDocsQuery);
        readerContext.close();
        threadPool.shutdown();
    }
}