elasticsearch update by query

Reprint: Http://m.blog.csdn.net/u012546526/article/details/74184769Elasticsearch Java API Common query Methods QueryBuilder Construction Example Environment Elasticsearch version5.1.1PomDependency> groupId>Org.elasticsearchgroupId> Artifactid>ElasticsearchArtifactid> version>5.1.1version>Dependency>Elasticsearch Index Mode number{ "type": "Long"}Strin

[Elasticsearch] control relevance (2)-The PSF (Practical Scoring Function) in Lucene is upgraded during Query Practical Scoring Function in Lucene For Multiterm Queries, Lucene uses the Boolean Model, TF/IDF, and Vector Space Model to combine them, used to collect matching documents and calculate their scores. Query multiple entries like the following: GET /my_

This chapter is translated from the partial matching chapter of the official Elasticsearch guide.Instant Search during query (Query-time search-as-you-type)Now let's look at how prefix matching can help with full-text search. The user is accustomed to seeing the search results before completing the input-this is called an Instant Search (Instant search, or Search

Elasticsearch's Javaapi query dsl-filtersand theLike the REST query DSL, Elasticsearch provides a complete Java query DSL. The Factory filter Builder isFilterBuildersOnce you have your query ready, you can use the query API.How do

Demoindex:Use head for the following query, the results found that the results are not available. Here I have checked "show query statement".Unable to find the answer had to resort to "Elasticsearch server development." After reviewing the nested types of nested queries need to use a dedicated search format. First post the original book Description:{"Cloth": {"P

result set in cases where queries are paged with page and slice. Note that if you use the sort parameter to sort the results of a query and add a limit to the size of the result set, you can easily get the largest k elements or the smallest k elements. 3. using scan and scroll to process large result sets The Elasticsearch can use scan and scroll when working with large result sets. In spring Data

[Elasticsearch] adjacent match (3)-performance, associated word query and ShinglesImprove Performance Phrase and closeness queries are more expensive than simple match queries. The match query only checks whether the entry exists in the Inverted Index, while the match_phrase Query Needs to calculate and compare Multipl

work exactly the same way as prefix queries. They also need to traverse the list of entries in the inverted index to find all the matching entries, and then collect the corresponding document IDs on a per-entry basis. The only difference between them and prefix queries is that they can support more complex schemas.This also means that there is the same risk of using them. It is very resource-intensive to run such queries on a field that contains many different entries. Avoid using a pattern tha

I was asked this question when I was reporting to my superiors today, and I didn't come back.English Original:Https://www.elastic.co/guide/en/elasticsearch/guide/current/_queries_and_filters.htmlThe first thing we talked about is structured query statements, in fact we can use two structured statements: Structured queries (query DSL) and structured filtering (fil

First, a query, you need to establish a searchrequestbuilder, which will give a query for which index or type, and all the settings can be implemented here, such as fuzzy query, scope query, prefix query.Searchrequestbuilder Responsebuilder = Client.preparesearch ("case"). Settypes ("Case_info");Two. Total number of st

(Springjunit4classrunner.class) @ContextConfiguration (locations = "Classpath:applicationContext.xml") public class TestES {@Autowired @Qualifier ("esclient") Private CLient client; @Test public void Testsearch () {String index= "index_log_daily"; String type= "Uq_log"; String uquestion = "139"; String province = "Jiangsu"; SearchResponse SearchResponse = Client.preparesearch (index). Settypes (Type). Setquery (Quer Ybuilders.matchallquery ())//

Getquerybuilder (RequestType request, Boolquerybuilder Bq) {Getorderquerybuilder (request, BQ);Addpurchaseorderquerybuilder (request, BQ);}/*** Query conditions** @param request* @param BQ*/private void Getorderquerybuilder (RequestType request, Boolquerybuilder Bq) {Termquery exact match, no participle equals =Type.childtype Multilayer type nesting, specific index structure, reference mappingGET yourindexname/_mappingMapping:{"Yourindexname": {"Mapp