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Elasticsearch QueryBuilder簡單查詢實現(xiàn)解析_java_腳本之家
public class QueryTest { public static void main(String[] args) { //創(chuàng)建對象,設(shè)置集群名稱和IP地址 ElasticsearchUtils es = new ElasticsearchUtils("im_shan", "localhost"); String indexName = "school";//索引名稱 String
www.dbjr.com.cn/article/1667...htm 2025-6-4
Java如何使用elasticsearch進(jìn)行模糊查詢_java_腳本之家
//QueryBuilder適用于單個字段查詢(matchPhraseQuery是沒有用分詞起,matchQuery會使用分詞器,將我們輸入的值進(jìn)行分割,如:“java動態(tài)”會分割成:“java”,“動態(tài)”) QueryBuilder qb1 = QueryBuilders.matchPhraseQuery("name","動態(tài)"); BoolQueryBuilder bqb1 = QueryBuilders.boolQuery().must(qb1); qbs.must(...
www.dbjr.com.cn/article/1804...htm 2025-5-28
Android數(shù)據(jù)持久化之ContentProvider機制詳解_Android_腳本之家
SQLiteQueryBuilder queryBuilder = new SQLiteQueryBuilder(); queryBuilder.setTables("test"); Cursor cursor = queryBuilder.query(db, projection, selection, selectionArgs, null, null, null); return cursor; } @Override public int delete(Uri uri, String selection, String[] selectionArgs) { // TODO...
www.dbjr.com.cn/article/1127...htm 2025-5-19
詳解spring-boot集成elasticsearch及其簡單應(yīng)用_java_腳本之家
1、NativeSearchQueryBuilder構(gòu)建查詢 1 2 3 4 5 6 7 8 9 10 @Autowired private ElasticsearchTemplate elasticsearchTemplate; SearchQuery searchQuery = new NativeSearchQueryBuilder() .withQuery(matchAllQuery()) .withFilter(boolFilter().must(termFilter("id", documentId))) .build(); Page<SampleEnti...
www.dbjr.com.cn/article/1152...htm 2025-6-8
Elasticsearch實現(xiàn)復(fù)合查詢高亮結(jié)果功能_javascript技巧_腳本之家
BoolQueryBuilder boolQuery = QueryBuilders.boolQuery(); //生成復(fù)合查詢構(gòu)造器 boolQuery.mustNot( QueryBuilders.matchQuery("",) //字段必須不包含啥 ); boolQuery.should( QueryBuilders.matchQuery(, ) //字段可以包含啥,相當(dāng)于或者 ); boolQuery.must( QueryBuilders.matchQuery(,) //字段必須包含啥 ...
www.dbjr.com.cn/article/1697...htm 2025-6-7
Spring Boot2.0整合ES5實現(xiàn)文章內(nèi)容搜索實戰(zhàn)_java_腳本之家
private void buildFilterQuery(BoolQueryBuilder boolQueryBuilder, Integer type, String category) { // 內(nèi)容類型篩選 if (type != null) { BoolQueryBuilder typeFilterBuilder = QueryBuilders.boolQuery(); typeFilterBuilder.should(QueryBuilders.matchQuery(SearchConstant.TYPE_NAME, type).lenient(true)); ...
www.dbjr.com.cn/article/1320...htm 2025-6-7
JAVA代碼實現(xiàn)MongoDB動態(tài)條件之分頁查詢_java_腳本之家
QueryBuilder queryBuilder = new QueryBuilder(); //動態(tài)拼接查詢條件 if (!StringUtils.isEmpty(studentReqVO.getName())) { Pattern pattern = Pattern.compile("^.*" + studentReqVO.getName() + ".*$", Pattern.CASE_INSENSITIVE); queryBuilder.and("name").regex(pattern); } if (studentReqVO....
www.dbjr.com.cn/article/1908...htm 2025-5-21
java操作elasticsearch的案例解析_java_腳本之家
RangeQueryBuilder rangeQueryBuilder = QueryBuilders.rangeQuery("timestamp").from(end,true).to(start,true); QueryBuilder s=QueryBuilders.boolQuery().must(rangeQueryBuilder); QueryBuilder qb=new MatchAllQueryBuilder(); SearchResponse response= elasticsearchTemplate.getClient().prepareSearch("monitoring-...
www.dbjr.com.cn/article/1730...htm 2025-5-17
ElasticSearch 深度分頁示例解析_java_腳本之家
分析:這個例子的執(zhí)行過程中,在 Query 階段會在每個 shard 上均有巨大的查詢量,返回給 coordinating node 時需要執(zhí)行大量數(shù)據(jù)的排序操作,并且保存到優(yōu)先級隊列的數(shù)據(jù)量也很大,占用大量節(jié)點機器內(nèi)存資源。2.4 實現(xiàn)示例1 2 3 4 5 6 7 8 9 10 11 private SearchHits getSearchHits(BoolQueryBuilder queryParam, ...
www.dbjr.com.cn/article/2761...htm 2025-5-25