ElasticSearch fuzzy fuzzy queries (English retrieval)

 fuzzy fuzzy queries

value: keyword query
boost: the weight of the query, the default value is 1.0
min_similarity: minimum similarity matching set, the default value is 0.5, for a string of 0-1 (including 0 and 1); for values the value may be greater than 1; for the value of the date of type 1d, 1m, etc., 1d represents one day
prefix_length: indicates the length of the common prefix distinguishing lexical items, the default is 0
max_expansions: terms in the query may be expanded the number of default can infinity
the GET / IB3 / User / Search { "queny": { "Processes with Long Dead *: {* Interests": "chagge *}}}
the GET / IB3 / User / _ Search {" Query ": {" Fuzzy *: { "interests": { "value * :" chagge "}}}

 

# The following query can obviously wrong, but we use fuzzy queries can check out, very simple fuzzy query 

#fuzzy模糊查询
GET /lib3/user/_search
{
  "query": {
    "fuzzy": {"name": "zholiu"}
  }
}

{
  "took" : 587,
  "timed_out" : false,
  "_shards" : {
    "total" : 5,
    "successful" : 5,
    "skipped" : 0,
    "failed" : 0
  },
  "hits" : {
    "total" : 1,
    "max_score" : 0.23973508,
    "hits" : [
      {
        "_index" : "lib3",
        "_type" : "user",
        "_id" : "1",
        "_score" : 0.23973508,
        "_source" : {
          "name" : "zhaoliu",
          "address" : "hei long jiang sheng tie ling shi",
          "age" : 50,
          "birthday" : "1970-12-12",
          "interests" : "xi buan hejiu, duanlian, lvyou"
        }
      }
    ]
  }
}

 

GET /lib3/user/_search
{
  "query": {
    "fuzzy": {
      "interests": {"value": "chagge"}
    }
  }
}

{
  "took" : 35,
  "timed_out" : false,
  "_shards" : {
    "total" : 5,
    "successful" : 5,
    "skipped" : 0,
    "failed" : 0
  },
  "hits" : {
    "total" : 3,
    "max_score" : 0.57762265,
    "hits" : [
      {
        "_index" : "lib3",
        "_type" : "user",
        "_id" : "2",
        "_score" : 0.57762265,
        "_source" : {
          "name" : "zhaoming",
          "address" : "bei jing hai dian qu qing he zhen",
          "age" : 20,
          "birthday" : "1998-10-12",
          "interests" : "xi huan hejiu, duanlian, changge"
        }
      },
      {
        "_index" : "lib3",
        "_type" : "user",
        "_id" : "5",
        "_score" : 0.23973508,
        "_source" : {
          "name" : "zhangsan",
          "address" : "bei jing chao yang qu",
          "age" : 29,
          "birthday" : "1988-10-12",
          "interests" : "xi huan tingyinyue , changge , tiaowu"
        }
      },
      {
        "_index" : "lib3",
        "_type" : "user",
        "_id" : "3",
        "_score" : 0.23973508,
        "_source" : {
          "name" : "lisi",
          "address" : "bei jing hai dian qu qing he zhen",
          "age" : 23,
          "birthday" : "1998-10-12",
          "interests" : "xi huan hejiu,duanlian, changge"
        }
      }
    ]
  }
}