- Dependency
- Client
- Client - Transport Client
- Client - XPack Transport Client
- Document APIs
- Document APIs - Index API
- Document APIs - Get API
- Document APIs - Delete API
- Document APIs - Delete By Query API
- Document APIs - Update API
- Document APIs - Multi Get API
- Document APIs - Bulk API
- Document APIs - Using Bulk Processor
- Search API
- Search API - Using scrolls in Java
- Search API - MultiSearch API
- Search API - Using Aggregations
- Search API - Terminate After
- Search API - Search Template
- Aggregations
- Aggregations - Structuring aggregations
- Aggregations - Metrics aggregations
- Aggregations - Bucket aggregations
- Query DSL
- Query DSL - Match All Query
- Query DSL - Full text queries
- Query DSL - Term level queries
- Query DSL - Compound queries
- Query DSL - Joining queries
- Query DSL - Geo queries
- Query DSL - Specialized queries
- Query DSL - Span queries
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Search API
搜索查询,返回查询匹配的结果,搜索一个index / type 或者多个index / type,可以使用 query Java API 作为查询条件,下面是例子:
import org.elasticsearch.action.search.SearchResponse;
import org.elasticsearch.action.search.SearchType;
import org.elasticsearch.index.query.QueryBuilders.*;
SearchResponse response = client.prepareSearch("index1", "index2")
.setTypes("type1", "type2")
.setSearchType(SearchType.DFS_QUERY_THEN_FETCH)
.setQuery(QueryBuilders.termQuery("multi", "test")) // Query 查询条件
.setPostFilter(QueryBuilders.rangeQuery("age").from(12).to(18)) // Filter 过滤
.setFrom(0).setSize(60).setExplain(true)
.get();
所有的参数都是可选的,下面是最简单的调用:
// MatchAll on the whole cluster with all default options
SearchResponse response = client.prepareSearch().get();
尽管Java API默认提供
QUERY_AND_FETCH
和DFS_QUERY_AND_FETCH
两种 search types ,但是这种模式应该由系统选择,用户不要手动指定
更多请移步 REST search 文档
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