es java 实现should must filter组合查询

一，三种属于一个层级，一般must filter放在一个boolQuery中，should放在另外一个新的boolQuery中，然后把should boolQuery作为前一个boolQuery条件。且关注一下filter用法，这个可以用于多参数查询，类似in，即参数是一个集合。

二，其实filter should也可以放在同级，如图2

如下图一：

BoolQueryBuilder multiFiledQuery = QueryBuilders.boolQuery();multiFiledQuery.should(QueryBuilders.termsQuery(convertToUnderScore(ResPurchaseWideInfo::getProductCode), req.getSearchKey()));multiFiledQuery.should(new WildcardQueryBuilder(convertToUnderScore(ResPurchaseWideInfo::getProductCode), "*".concat(req.getSearchKey()).concat("*")));multiFiledQuery.should(new WildcardQueryBuilder(convertToUnderScore(ResPurchaseWideInfo::getProductName).concat(".keyword"), "*".concat(req.getSearchKey().concat("*"))));multiFiledQuery.should(QueryBuilders.termsQuery(convertToUnderScore(ResPurchaseWideInfo::getProductName).concat(".keyword"), req.getSearchKey()));multiFiledQuery.should(QueryBuilders.termsQuery(convertToUnderScore(ResPurchaseWideInfo::getBarCode), req.getSearchKey()));multiFiledQuery.minimumShouldMatch(1);boolQuery.must(multiFiledQuery);

 @Override@SneakyThrowspublic List<ResProductInfoVOPage> getDetailInfoByGroupAndBigMidCategoryCode(ReqProductInfoVO req) {SearchRequest searchRequest = new SearchRequest(EsConfigEnum.PURCHASE_WIDE_INFO_INDEX.getAlias());SearchSourceBuilder sourceBuilder = new SearchSourceBuilder();BoolQueryBuilder boolQuery = QueryBuilders.boolQuery();sourceBuilder.query(boolQuery);sourceBuilder.fetchSource(RES_FUZZY_PRODUCT_INFO_VO_FIELDS, null);// 分页sourceBuilder.from(req.getPage() * req.getSize() - req.getSize());sourceBuilder.size(req.getSize());if (Objects.nonNull(req.getIsSortByProductCode()) && req.getIsSortByProductCode()) {sourceBuilder.sort(convertToUnderScore(ResPurchaseWideInfo::getProductCode));}searchRequest.source(sourceBuilder);// 条码精确查询，名称，编码模糊查询*x*；且名称查询必须加.keyword，否则查询不到数据if (org.apache.commons.lang3.StringUtils.isNotBlank(req.getSearchKey())) {BoolQueryBuilder multiFiledQuery = QueryBuilders.boolQuery();multiFiledQuery.should(QueryBuilders.termsQuery(convertToUnderScore(ResPurchaseWideInfo::getProductCode), req.getSearchKey()));multiFiledQuery.should(new WildcardQueryBuilder(convertToUnderScore(ResPurchaseWideInfo::getProductCode), "*".concat(req.getSearchKey()).concat("*")));multiFiledQuery.should(new WildcardQueryBuilder(convertToUnderScore(ResPurchaseWideInfo::getProductName).concat(".keyword"), "*".concat(req.getSearchKey().concat("*"))));multiFiledQuery.should(QueryBuilders.termsQuery(convertToUnderScore(ResPurchaseWideInfo::getProductName).concat(".keyword"), req.getSearchKey()));multiFiledQuery.should(QueryBuilders.termsQuery(convertToUnderScore(ResPurchaseWideInfo::getBarCode), req.getSearchKey()));multiFiledQuery.minimumShouldMatch(1);boolQuery.must(multiFiledQuery);}//采购组if (CollectionUtils.isNotEmpty(req.getPurchaseGroupCodes())) {List<String> purchaseGroups = req.getPurchaseGroupCodes().stream().map(org.apache.commons.lang3.StringUtils::lowerCase).distinct().collect(Collectors.toList());purchaseGroups.addAll(req.getPurchaseGroupCodes());purchaseGroups = purchaseGroups.stream().distinct().collect(Collectors.toList());boolQuery.filter(QueryBuilders.termsQuery(convertToUnderScore(ResPurchaseWideInfo::getPurchaseGroupCode), purchaseGroups));}// 大类编码(精确)if (StringUtils.isNotBlank(req.getBigCategoryCode())) {boolQuery.filter(QueryBuilders.termQuery(convertToUnderScore(ResPurchaseWideInfo::getBigCategoryCode), req.getBigCategoryCode()));}// 中类编码(精确)if (StringUtils.isNotBlank(req.getMidCategoryCode())) {boolQuery.must(QueryBuilders.termQuery(convertToUnderScore(ResPurchaseWideInfo::getMidCategoryCode), req.getMidCategoryCode()));}SearchResponse response = null;response = restHighLevelClient.search(searchRequest, RequestOptions.DEFAULT);if (Objects.isNull(response)) {return Collections.emptyList();}List<Map<String, Object>> list = toRes(response.getHits().getHits());return JSON.parseArray(JSON.toJSONString(list), ResProductInfoVOPage.class);}

图二

  SearchRequest searchRequest = new SearchRequest(EsConfigEnum.PURCHASE_WIDE_INFO_INDEX.getAlias());SearchSourceBuilder sourceBuilder = new SearchSourceBuilder();sourceBuilder.fetchSource(SHOP_PRODUCT_PURCHASE_FIELDS, null);BoolQueryBuilder boolQueryBuilder = QueryBuilders.boolQuery();boolQueryBuilder.filter(QueryBuilders.termQuery(convertToUnderScore(ResPurchaseWideInfo::getShopCode), reqVO.getShopCode())).should(QueryBuilders.termQuery(convertToUnderScore(ResPurchaseWideInfo::getProductCode), reqVO.getProductCode())).should(new WildcardQueryBuilder(convertToUnderScore(ResPurchaseWideInfo::getProductCode), "*".concat(reqVO.getProductCode()).concat("*"))).should(QueryBuilders.termQuery(convertToUnderScore(ResPurchaseWideInfo::getBarCode), reqVO.getProductCode())).should(new WildcardQueryBuilder(convertToUnderScore(ResPurchaseWideInfo::getBarCode), "*".concat(reqVO.getProductCode()).concat("*"))).minimumShouldMatch(1);if (CollectionUtils.isNotEmpty(reqVO.getPurchaseGroupCodes())) {boolQueryBuilder.filter(QueryBuilders.termsQuery(convertToUnderScore(ResPurchaseWideInfo::getPurchaseGroupCode), reqVO.getPurchaseGroupCodes()));}

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