elasticsearch查询

查询API

search

GET /twitter/_search?q=user:kimchy
GET /twitter/tweet,user/_search?q=user:kimchy
GET /kimchy,elasticsearch/tweet/_search?q=tag:wow
GET /_all/tweet/_search?q=tag:wow
GET /_search?q=tag:wow

URI Search

GET twitter/tweet/_search?q=user:kimchy
q

The query string (maps to the query_string query, see Query String Query for more details).

请求主体查询

GET /twitter/tweet/_search
{
"explain": true,
"version": true,
"query" : {
"term" : { "user" : "kimchy" }
},
"from" : 0,
"size" : 10,
"sort" : [
{ "post_date" : {"order" : "asc"}},
"user",
{ "name" : "desc" },
{ "age" : "desc" },
"_score"
],
"_source": [ "obj1.", "obj2." ],
"script_fields" : {
"test1" : {
"script" : "params['_source']['message']"
}
},
"post_filter": {
"term": { "color": "red" }
},
"highlight" : {
"pre_tags" : ["", ""],
"post_tags" : ["", ""],
"fields" : {
"_all" : {}
}
}
}

Inner hits

Query DSL

全文搜索(Full text queries)

match

标准全文查询

GET /_search
{
"query": {
"match" : {
"message" : "this is a test"
}
}
}

match_phrase

短语查询，支持分词

GET /_search
{
"query": {
"match_phrase" : {
"message" : {
"query" : "this is a test",
"analyzer" : "my_analyzer"
}
}
}
}

match_phrase_prefix

GET /_search
{
"query": {
"match_phrase_prefix" : {
"message" : {
"query" : "quick brown f",
"max_expansions" : 10
}
}
}
}

multi_match

支持多字段版本

GET /_search
{
"query": {
"multi_match" : {
"query" : "this is a test",
"fields" : [ "subject^3", "message" ]
}
}
}

common_terms

停止符(stopwords)

GET /_search
{
"query": {
"common": {
"body": {
"query": "this is bonsai cool",
"cutoff_frequency": 0.001
}
}
}
}

query_string

查询解析

GET /_search
{
"query": {
"query_string" : {
"default_field" : "content",
"query" : "this AND that OR thus"
}
}
}

simple_query_string

使用 SimpleQueryParser去解析查询语句

GET /_search
{
"query": {
"simple_query_string" : {
"query": ""fried eggs" +(eggplant | potato) -frittata",
"analyzer": "snowball",
"fields": ["body^5","_all"],
"default_operator": "and"
}
}
}

Term级别查询

更底层的查询

• Term

• Terms

• range

• exists

• prefix

• wildcard

• regexp

• fuzzy

• type

• ids

  GET /_search
  {
  "query": {
  "constant_score" : {
  "filter" : {
  "terms" : { "user" : ["kimchy", "elasticsearch"]}
  }
  }
  }
  }

组合查询(Compound queries)

• constant_score

• bool

• dis_max

• function_score

• boosting

• indices

  GET /_search
  {
  "query": {
  "constant_score" : {
  "filter" : {
  "term" : { "user" : "kimchy"}
  },
  "boost" : 1.2
  }
  }
  }

联合查询(Joining queries)

• Nested

• Has Child

• Has Parent

• Parent Id

  GET /_search
  {
  "query": {
  "constant_score" : {
  "filter" : {
  "term" : { "user" : "kimchy"}
  },
  "boost" : 1.2
  }
  }
  }