elasticsearch real - complex queries (es conversion of complex sql realization)

 Massive order data retrieval using search engines to achieve

 Basics can be found here

bool Query Builder demo shows the nested query

    public PageResponse<List<OrderNewDto>> getOrderNewList(OrderQryReq searchOrgReq) {
        String keyword = searchOrgReq.getKeyword().toLowerCase();
        BoolQueryBuilder conditionQueryBuilder = QueryBuilders.boolQuery();
        //兼容空格输入多个关键字的检索
        Iterator<String> kws = Splitter.on(" ").split(keyword).iterator();
        while (kws.hasNext()) {
            String kw = kws.next().trim();
            BoolQueryBuilder keywordQueryBuilder = QueryBuilders.boolQuery();
            //构建关键字查询
            keywordQueryBuilder.should(QueryBuilders.prefixQuery("order_no", kw));
            keywordQueryBuilder.should(QueryBuilders.prefixQuery("order_code", kw));
            keywordQueryBuilder.should(QueryBuilders.termQuery("username.pinyin", kw));
            keywordQueryBuilder.should(QueryBuilders.prefixQuery("username.pinyin", kw));
            keywordQueryBuilder.should(QueryBuilders.termQuery("username.ik", kw));
            keywordQueryBuilder.should(QueryBuilders.prefixQuery("phone.keyword", kw));
            conditionQueryBuilder.must(keywordQueryBuilder);
        }
        conditionQueryBuilder.must(QueryBuilders.termQuery("order_type", 1));
        //构建条件查询
        if (searchOrgReq.getCreateUserId() != null)
            conditionQueryBuilder.must(QueryBuilders.termQuery("xiaosr_id", searchOrgReq.getCreateUserId()));
        if (searchOrgReq.getUserId() != null)
            conditionQueryBuilder.must(QueryBuilders.termQuery("user_id", searchOrgReq.getUserId()));
        if (searchOrgReq.getOrderStatus() != null)
            conditionQueryBuilder.must(QueryBuilders.termQuery("order_status", searchOrgReq.getOrderStatus()));
        if (searchOrgReq.getIsEnter() != null && searchOrgReq.getIsEnter() == 1)
            conditionQueryBuilder.must(QueryBuilders.termQuery("payed_price", 0));
        if (searchOrgReq.getOrderStatus() != null)
            conditionQueryBuilder.must(QueryBuilders.termQuery("order_status", searchOrgReq.getOrderStatus()));
        if (searchOrgReq.getStartTime() != null)
            conditionQueryBuilder.must(QueryBuilders.rangeQuery("order_time").gte(LocalDateTime.parse(searchOrgReq.getStartTime(),
                    DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss")).minusHours(8).toString()));
        if (searchOrgReq.getEndTime() != null)
            conditionQueryBuilder.must(QueryBuilders.rangeQuery("order_time").lte(LocalDateTime.parse(searchOrgReq.getEndTime(),
                    DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss")).minusHours(8).toString()));

        NativeSearchQuery nativeSearchQuery = new NativeSearchQuery(StringUtils.isBlank(keyword) ? QueryBuilders.matchAllQuery() : conditionQueryBuilder);
        nativeSearchQuery.addIndices("order_new");
        nativeSearchQuery.addTypes("order");
        nativeSearchQuery.setPageable(PageRequest.of(searchOrgReq.getPage(), searchOrgReq.getPageSize()));
        nativeSearchQuery.addSort(Sort.by("order_time").descending());
        SearchHits searchHits = elasticsearchTemplate.query(nativeSearchQuery, SearchResponse::getHits);
        List<OrderNewDto> categories = new ArrayList<>();
        for (SearchHit searchHit : searchHits) {
            JSONObject jsonObject = new JSONObject(searchHit.getSourceAsMap());
            categories.add(jsonObject.toJavaObject(OrderNewDto.class));
        }
        return PageResponse.<List<OrderNewDto>>builder()
                .totalSize((int) searchHits.getTotalHits())
                .currentPage(searchOrgReq.getPage())
                .pageSize(searchOrgReq.getPageSize())
                .data(categories)
                .result(ResponseCodeEnum.SUCCESS.getCode())
                .build();
    }