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Born To Simplify Development

maven code style

What is Easy-Es?

Easy-Es is a powerfully enhanced toolkit of RestHighLevelClient for simplify development. This toolkit provides some efficient, useful, out-of-the-box features for ElasticSearch. By using Easy-Es, you can use MySQL syntax to complete Es queries. Use it can effectively save your development time.

Official website

easy-es website https://en.easy-es.cn/

easy-es gitee https://gitee.com/dromara/easy-es

easy-es github https://github.com/dromara/easy-es

dromara website https://dromara.org/

dromara gitee homepage https://gitee.com/dromara/



  • Automatically create and update indexes, automatically migrate data, and process zero downtime
  • Auto configuration on startup
  • Out-of-the-box interfaces for operate es
  • Powerful and flexible where condition wrapper
  • Lambda-style API
  • Automatic paging operation
  • Support high-level syntax such as highlighting and weighting and Geo etc
  • ...


Demand: Query all documents with title equals "Hi" and author equals "Guy"

// Use Easy-Es to complete the query with only 3 lines of code
LambdaEsQueryWrapper<Document> wrapper = new LambdaEsQueryWrapper<>();
        wrapper.eq(Document::getTitle, "Hi").eq(Document::getCreator, "Guy");
        List<Document> documents = documentMapper.selectList(wrapper);
// Query with RestHighLevelClient requires 11 lines of code, not including parsing JSON code
String indexName = "document";
        SearchRequest searchRequest = new SearchRequest(indexName);
        BoolQueryBuilder boolQueryBuilder = QueryBuilders.boolQuery();
        TermQueryBuilder titleTerm = QueryBuilders.termQuery("title", "Hi");
        TermsQueryBuilder creatorTerm = QueryBuilders.termsQuery("creator", "Guy");
        SearchSourceBuilder searchSourceBuilder = new SearchSourceBuilder();
        try {
        SearchResponse searchResponse = restHighLevelClient.search(searchRequest, RequestOptions.DEFAULT);
        // Then parse the DocumentList from searchResponse in various ways, omitting these codes...
        } catch (IOException e) {

The above is just a simple query demonstration. The more complex the actual query scene, the better the effect, which can save 3-5 times the amount of code on average.

Getting started

  • Add Easy-Es dependency

    • Latest Version: Maven Central
    • Maven:
        <version>Latest Version</version>
    • Gradle
      compile group: 'org.dromara.easy-es', name: 'easy-es-boot-starter', version: 'Latest Version'
  • Add mapper file extends BaseEsMapper interface

    public interface DocumentMapper extends BaseMapper<User> {
  • Use it

    LambdaEsQueryWrapper<Document> wrapper = new LambdaEsQueryWrapper<>();
    wrapper.eq(Document::getTitle,"Hello World")
    List<Document> documentList = documentMapper.selectList();

    Easy-Es will execute the following Query:

    {"query":{"bool":{"must":[{"term":{"title":{"value":"Hello World","boost":1.0}}},{"term":{"creator":{"value":"Guy","boost":1.0}}}],"adjust_pure_negative":true,"boost":1.0}}}

    The syntax of this query in MySQL is:

     SELECT * FROM document WHERE title = 'Hello World' AND creator = 'Guy'

This showcase is just a small part of Easy-Es features. If you want to learn more, please refer to the documentation.



MySQL Easy-Es and Es syntax comparison table

MySQL Easy-Es Es-DSL/Es java api
and and must
or or should
= eq term
!= ne boolQueryBuilder.mustNot(queryBuilder)
> gt QueryBuilders.rangeQuery('es field').gt()
>= ge .rangeQuery('es field').gte()
< lt .rangeQuery('es field').lt()
<= le .rangeQuery('es field').lte()
like '%field%' like QueryBuilders.wildcardQuery(field,value)
not like '%field%' notLike must not wildcardQuery(field,value)
like '%field' likeLeft QueryBuilders.wildcardQuery(field,*value)
like 'field%' likeRight QueryBuilders.wildcardQuery(field,value*)
between between QueryBuilders.rangeQuery('es field').from(xx).to(xx)
notBetween notBetween must not QueryBuilders.rangeQuery('es field').from(xx).to(xx)
is null isNull must not QueryBuilders.existsQuery(field)
is notNull isNotNull QueryBuilders.existsQuery(field)
in in QueryBuilders.termsQuery(" xx es field", xx)
not in notIn must not QueryBuilders.termsQuery(" xx es field", xx)
group by groupBy AggregationBuilders.terms()
order by orderBy fieldSortBuilder.order(ASC/DESC)
min min AggregationBuilders.min
max max AggregationBuilders.max
avg avg AggregationBuilders.avg
sum sum AggregationBuilders.sum
order by xxx asc orderByAsc fieldSortBuilder.order(SortOrder.ASC)
order by xxx desc orderByDesc fieldSortBuilder.order(SortOrder.DESC)
- match matchQuery
- matchPhrase QueryBuilders.matchPhraseQuery
- matchPrefix QueryBuilders.matchPhrasePrefixQuery
- queryStringQuery QueryBuilders.queryStringQuery
select * matchAllQuery QueryBuilders.matchAllQuery()
- highLight HighlightBuilder.Field
... ... ...

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Easy-Es is under the Apache 2.0 license. See the Apache License 2.0 file for details.

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Elasticsearch 国内顶尖elasticsearch搜索引擎框架es ORM框架,索引全自动智能托管,如丝般顺滑,与Mybatis-plus一致的API,屏蔽语言差异,开发者只需要会MySQL语法即可完成对Es的相关操作,零额外学习成本.底层采用RestHighLevelClient,兼具低码,易用,易拓展等特性,支持es独有的高亮,权重,分词,Geo等功能... expand collapse

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