• ElasticSearch(十二) Bool Query JAVA API


    Bool Query 用于组合多个叶子或复合查询子句的默认查询

    must 相当于 与 & =

    must not 相当于 非 ~   !=

    should 相当于 或  |   or 

    filter  过滤

    boolQuery()
            .must(termQuery("content", "test1"))               
            .must(termQuery("content", "test4"))                 
            .mustNot(termQuery("content", "test2"))              
            .should(termQuery("content", "test3"))               
            .filter(termQuery("content", "test5"));


    private SearchRequest getSearchRequest(RequestType request) {

    SearchRequest sr = new SearchRequest();

    //指定索引名称,如未指定则会查询所有
    sr.indices(ElasticSearchConst.XXX_INDEX);
    sr.types(ElasticSearchConst.XXX_TYPE);

    SearchSourceBuilder source = new SearchSourceBuilder();
    BoolQueryBuilder bq = QueryBuilders.boolQuery();

    getQueryBuilder(request, bq);

    // from 从0开始,包含前后边界 实际是  <=  >=

    source.from(request.getRowStart());
    source.size(request.getRowSize());
    source.query(bq);

    setSort(request, source);
    sr.source(source);
    return sr;
    }

    
    

    private void getQueryBuilder(RequestType request, BoolQueryBuilder bq) {

    getOrderQueryBuilder(request, bq);

           addPurchaseOrderQueryBuilder(request, bq);
    }

    /**
    * 查询条件
    *
    * @param request
    * @param bq
    */
    private void getOrderQueryBuilder(RequestType request, BoolQueryBuilder bq) {

            // termQuery 精确匹配,不分词 相当于 等于 =

           //Type.childType 多层类型嵌套,具体索引结构,参考mapping   

          //  GET  yourindexname/_mapping

         Mapping:

    {
      "yourindexname": {
        "mappings": {
          "type1": {
            "properties": {
              "childtype": {
                "properties": {
                  "cedStatus": {
                    "type": "text",
                    "fields": {
                    "keyword": {
                    "type": "keyword",
                    "ignore_above": 256
                          }
                        }
                    },

      bq.must(QueryBuilders.termQuery("Type.childType", request.getOrderId()));
            //rangeQuery 范围查询,最大范围不超过1w

      bq.must(QueryBuilders.rangeQuery("Type.childType.departureDate")
        .gte(DateUtil.toSqlTimeStamp(request.getDepartureDateStart().getTime()).getTime())
        .lte(DateUtil.toSqlTimeStamp(request.getDepartureDateEnd().getTime()).getTime()));

    //QueryBuilders.matchPhraseQuery  匹配查询,不分词,相当于 contains

    //matchPhraseQuery 是直接以一个短语的形式查询,顺序无差,且连接在一起

    pobq.must(QueryBuilders.matchPhraseQuery(
      String.format("%s%s%s", preFix, i, ".vacationVBKPurchaseOrderBaseInfoDto.contactName"),
      request.getContactName()));

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  • 原文地址:https://www.cnblogs.com/xiaocandou/p/8127371.html
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