elasticsearch-query

why does elasticsearch calculates score for term queries?

前提是你 提交于 2021-01-28 05:21:37
问题 I want to make a simple query based on knowing a unique field value using a term query. For instance: { "query": { "term": { "products.product_id": { "value": "Ubsdf-234kjasdf" } } } } Regarding term queries , Elasticsearch documentation states: Returns documents that contain an exact term in a provided field. You can use the term query to find documents based on a precise value such as a price, a product ID, or a username. On the other hand, documentation also suggests that the _score is

How do _search queries work in Elasticsearch?

隐身守侯 提交于 2020-12-05 11:51:45
问题 The question is more around: "How do Elasticsearch nodes interact to give a specific search result and what is the flow of a search request?" I've referred to the following links to understand, but they aren't very clear, in what I am trying to understand. https://www.elastic.co/guide/en/elasticsearch/reference/master/ingest.html https://www.elastic.co/guide/en/elasticsearch/reference/current/modules-node.html As per the above documentation, "Data Nodes" are the ones which perform all the

Elastic Search - Tokenization and Multi Match query

我们两清 提交于 2020-07-31 04:20:21
问题 I need to perform tokenization and multi match in a single query in Elastic Search. Currently, 1)I am using the analyzer to get the tokens like below String text = // 4 line log data; List<AnalyzeToken> analyzeTokenList = new ArrayList<AnalyzeToken>(); AnalyzeRequestBuilder analyzeRequestBuilder = this.client.admin().indices().prepareAnalyze(); for (String newIndex : newIndexes) { analyzeRequestBuilder.setIndex(newIndex); analyzeRequestBuilder.setText(text); analyzeRequestBuilder.setAnalyzer