Package org.elasticsearch.search

Examples of org.elasticsearch.search.Scroll

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        Set<String> expectedIds = Sets.newHashSet();
        for (int i = 0; i < 100; i++) {
            expectedIds.add(Integer.toString(i));
        }

        SearchResponse searchResponse = client.search(searchRequest("test").source(source).searchType(QUERY_AND_FETCH).scroll(new Scroll(timeValueMinutes(10)))).actionGet();
        assertThat("Failures " + Arrays.toString(searchResponse.shardFailures()), searchResponse.shardFailures().length, equalTo(0));
        assertThat(searchResponse.hits().totalHits(), equalTo(100l));
        assertThat(searchResponse.hits().hits().length, equalTo(60)); // 20 per shard
        for (int i = 0; i < 60; i++) {
            SearchHit hit = searchResponse.hits().hits()[i];
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        for (int i = 0; i < 100; i++) {
            expectedIds.add(Integer.toString(i));
        }


        SearchResponse searchResponse = client.search(searchRequest("test").source(source).searchType(DFS_QUERY_AND_FETCH).scroll(new Scroll(timeValueMinutes(10)))).actionGet();
        assertThat("Failures " + Arrays.toString(searchResponse.shardFailures()), searchResponse.shardFailures().length, equalTo(0));
        assertThat(searchResponse.hits().totalHits(), equalTo(100l));
        assertThat(searchResponse.hits().hits().length, equalTo(60)); // 20 per shard
        for (int i = 0; i < 60; i++) {
            SearchHit hit = searchResponse.hits().hits()[i];
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        List<DfsSearchResult> dfsResults = newArrayList();
        for (ShardIterator shardIt : clusterService.operationRouting().searchShards(clusterService.state(), new String[]{"test"}, new String[]{"test"}, null, null, null)) {
            for (ShardRouting shardRouting : shardIt.asUnordered()) {
                InternalSearchRequest searchRequest = searchRequest(shardRouting, sourceBuilder, SearchType.QUERY_THEN_FETCH)
                        .scroll(new Scroll(new TimeValue(10, TimeUnit.MINUTES)));
                dfsResults.add(nodeToSearchService.get(shardRouting.currentNodeId()).executeDfsPhase(searchRequest));
            }
        }

        AggregatedDfs dfs = searchPhaseController.aggregateDfs(dfsResults);
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        List<DfsSearchResult> dfsResults = newArrayList();
        for (ShardIterator shardIt : clusterService.operationRouting().searchShards(clusterService.state(), new String[]{"test"}, new String[]{"test"}, null, null, null)) {
            for (ShardRouting shardRouting : shardIt.asUnordered()) {
                InternalSearchRequest searchRequest = searchRequest(shardRouting, sourceBuilder, SearchType.QUERY_THEN_FETCH)
                        .scroll(new Scroll(new TimeValue(10, TimeUnit.MINUTES)));
                dfsResults.add(nodeToSearchService.get(shardRouting.currentNodeId()).executeDfsPhase(searchRequest));
            }
        }

        AggregatedDfs dfs = searchPhaseController.aggregateDfs(dfsResults);
        Map<SearchShardTarget, QuerySearchResultProvider> queryResults = newHashMap();
        for (DfsSearchResult dfsResult : dfsResults) {
            queryResults.put(dfsResult.shardTarget(), nodeToSearchService.get(dfsResult.shardTarget().nodeId()).executeQueryPhase(new QuerySearchRequest(dfsResult.id(), dfs)));
        }

        ShardDoc[] sortedShardList = searchPhaseController.sortDocs(queryResults.values());
        Map<SearchShardTarget, ExtTIntArrayList> docIdsToLoad = searchPhaseController.docIdsToLoad(sortedShardList);

        Map<SearchShardTarget, FetchSearchResult> fetchResults = newHashMap();
        for (Map.Entry<SearchShardTarget, ExtTIntArrayList> entry : docIdsToLoad.entrySet()) {
            SearchShardTarget shardTarget = entry.getKey();
            ExtTIntArrayList docIds = entry.getValue();
            FetchSearchResult fetchResult = nodeToSearchService.get(shardTarget.nodeId()).executeFetchPhase(new FetchSearchRequest(queryResults.get(shardTarget).queryResult().id(), docIds));
            fetchResults.put(fetchResult.shardTarget(), fetchResult.initCounter());
        }

        SearchHits hits = searchPhaseController.merge(sortedShardList, queryResults, fetchResults).hits();
        assertThat(hits.totalHits(), equalTo(100l));
        assertThat(hits.hits().length, equalTo(60));
        for (int i = 0; i < 60; i++) {
            SearchHit hit = hits.hits()[i];
//            System.out.println(hit.explanation());
            assertThat("id[" + hit.id() + "]", hit.id(), equalTo(Integer.toString(i)));
        }

        // now try and scroll to the next batch of results
        Map<SearchShardTarget, QuerySearchResultProvider> scrollQueryResults = newHashMap();
        for (QuerySearchResultProvider queryResult : queryResults.values()) {
            scrollQueryResults.put(queryResult.queryResult().shardTarget(), nodeToSearchService.get(queryResult.shardTarget().nodeId()).executeQueryPhase(new InternalScrollSearchRequest(queryResult.id()).scroll(new Scroll(timeValueMinutes(10)))).queryResult());
        }
        queryResults = scrollQueryResults;

        sortedShardList = searchPhaseController.sortDocs(queryResults.values());
        docIdsToLoad = searchPhaseController.docIdsToLoad(sortedShardList);
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        Map<SearchShardTarget, QueryFetchSearchResult> queryFetchResults = newHashMap();
        for (ShardIterator shardIt : clusterService.operationRouting().searchShards(clusterService.state(), new String[]{"test"}, new String[]{"test"}, null, null, null)) {
            for (ShardRouting shardRouting : shardIt.asUnordered()) {
                InternalSearchRequest searchRequest = searchRequest(shardRouting, sourceBuilder, SearchType.QUERY_AND_FETCH)
                        .scroll(new Scroll(new TimeValue(10, TimeUnit.MINUTES)));
                QueryFetchSearchResult queryFetchResult = nodeToSearchService.get(shardRouting.currentNodeId()).executeFetchPhase(searchRequest);
                queryFetchResults.put(queryFetchResult.shardTarget(), queryFetchResult);
            }
        }


        ShardDoc[] sortedShardList = searchPhaseController.sortDocs(queryFetchResults.values());
        SearchHits hits = searchPhaseController.merge(sortedShardList, queryFetchResults, queryFetchResults).hits();

        assertThat(hits.totalHits(), equalTo(100l));
        assertThat(hits.hits().length, equalTo(60)); // 60 results, with size 20, since we have 3 shards
        for (int i = 0; i < 60; i++) {
            SearchHit hit = hits.hits()[i];
//            System.out.println(hit.id() + " " + hit.explanation());
//            assertThat("id[" + hit.id() + "]", hit.id(), equalTo(Integer.toString(100 - i - 1)));
            assertThat("make sure we don't have duplicates", expectedIds.remove(hit.id()), notNullValue());
        }

        // scrolling with query+fetch is not perfect when it comes to dist sorting
        Map<SearchShardTarget, QueryFetchSearchResult> scrollQueryFetchResults = newHashMap();
        for (QueryFetchSearchResult searchResult : queryFetchResults.values()) {
            QueryFetchSearchResult queryFetchResult = nodeToSearchService.get(searchResult.shardTarget().nodeId()).executeFetchPhase(new InternalScrollSearchRequest(searchResult.id()).scroll(new Scroll(timeValueMinutes(10)))).result();
            scrollQueryFetchResults.put(queryFetchResult.shardTarget(), queryFetchResult);
        }
        queryFetchResults = scrollQueryFetchResults;

        sortedShardList = searchPhaseController.sortDocs(queryFetchResults.values());
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        Map<SearchShardTarget, QuerySearchResultProvider> queryResults = newHashMap();
        for (ShardIterator shardIt : clusterService.operationRouting().searchShards(clusterService.state(), new String[]{"test"}, new String[]{"test"}, null, null, null)) {
            for (ShardRouting shardRouting : shardIt.asUnordered()) {
                InternalSearchRequest searchRequest = searchRequest(shardRouting, sourceBuilder, SearchType.QUERY_THEN_FETCH)
                        .scroll(new Scroll(new TimeValue(10, TimeUnit.MINUTES)));
                QuerySearchResult queryResult = nodeToSearchService.get(shardRouting.currentNodeId()).executeQueryPhase(searchRequest);
                queryResults.put(queryResult.shardTarget(), queryResult);
            }
        }
        ShardDoc[] sortedShardList = searchPhaseController.sortDocs(queryResults.values());
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    /**
     * If set, will enable scrolling of the search request for the specified timeout.
     */
    public SearchScrollRequest scroll(TimeValue keepAlive) {
        return scroll(new Scroll(keepAlive));
    }
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    /**
     * If set, will enable scrolling of the search request for the specified timeout.
     */
    public SearchScrollRequest scroll(String keepAlive) {
        return scroll(new Scroll(TimeValue.parseTimeValue(keepAlive, null)));
    }
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    /**
     * If set, will enable scrolling of the search request for the specified timeout.
     */
    public SearchScrollRequest scroll(TimeValue keepAlive) {
        return scroll(new Scroll(keepAlive));
    }
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    /**
     * If set, will enable scrolling of the search request for the specified timeout.
     */
    public SearchScrollRequest scroll(String keepAlive) {
        return scroll(new Scroll(TimeValue.parseTimeValue(keepAlive, null)));
    }
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  • org.elasticsearch.rest.action.mlt.RestMoreLikeThisAction
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