查询所有
//搜索全部文档
QueryBuilder queryBuilder =
QueryBuilders.matchAllQuery();
查询单个,等于/eq
//单个匹配,搜索name为li的文档
QueryBuilder queryBuilder =
QueryBuilders.matchQuery("name", "li");
查询多个字段匹配某一个值
//搜索name中或nickname中包含有li的文档(必须与li一致)
QueryBuilder queryBuilder =
QueryBuilders.multiMatchQuery("li","name", "nickname");
模糊匹配
//搜索名字中含有li文档(name中只要包含li即可)
WildcardQueryBuilder queryBuilder =
QueryBuilders.wildcardQuery("name","*li*");
BoolQueryBuilder复合查询
BoolQueryBuilder对象使用must方法build,多个and使用多个must
WildcardQueryBuilder queryBuilder1 = QueryBuilders.matchQuery("name", "li");
WildcardQueryBuilder queryBuilder2 = QueryBuilders.matchQuery("id", "1");
BoolQueryBuilder boolQueryBuilder = QueryBuilders.boolQuery();
//查询名字是LI和id是1的所有数据
boolQueryBuilder.must(queryBuilder1);
boolQueryBuilder.must(queryBuilder2);
BoolQueryBuilder对象使用should方法build,多个or使用多个should使用
WildcardQueryBuilder queryBuilder1 = QueryBuilders.matchQuery("name", "li");
WildcardQueryBuilder queryBuilder2 = QueryBuilders.matchQuery("id", "1");
BoolQueryBuilder boolQueryBuilder = QueryBuilders.boolQuery();
//查询名字是LI或id是1的所有数据
boolQueryBuilder.should(queryBuilder1);
boolQueryBuilder.should(queryBuilder2);
must:必须满足的条件
should:非必须满足的条件
minimumShouldMatch(1):至少要满足一个 should 条件
等值查询
BoolQueryBuilder queryBuilder =
QueryBuilders.boolQuery().must(QueryBuilders.termQuery("name", "小李"));
范围查询
BoolQueryBuilder queryBuilder =
QueryBuilders.rangeQuery("age").gte(18).lte(50);
判空查询
BoolQueryBuilder queryBuilder =
QueryBuilders.boolQuery()
.must(QueryBuilders.existsQuery("name"))
.mustNot(QueryBuilders.existsQuery("tag"));
//查询name有值,tag不存在值
分页查询
SearchResponse response =
this.transportClient
.prepareSearch(index)
.setTypes(type)
.setQuery(queryBuilder)
.setFrom(offset)
.setSize(rows)
.setExplain(false)
.execute()
.actionGet();
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