一、簡單的CRUD操作

1、添加

PUT /index/type/id

{

"json數據"

}

2、查詢

GET /index/type/id

3、修改

POST /index/type/id/_update

{

"doc": {

"FIELD": "值"

}

}

4、刪除

DELETE /index/type/id

二、搜索

搜索可以分成六大類

1、query string search

2、query DSL

3、query filter

4、full-text search

5、phrase search

6、highlight search

1、query string search

搜索全部：GET supplier/user/_search

{

"took": 2,

"timed_out": false,

"_shards": {

"total": 5,

"successful": 5,

"failed": 0

},

"hits": {

"total": 3,

"max_score": 1,

"hits": [

{

"_index": "supplier",

"_type": "user",

"_id": "2",

"_score": 1,

"_source": {

"name": "lisi",

"age": 26,

"address": "bei jing tong zhou",

"price": 10000,

"dept": [

"kaifabu"

]

}

},

{

"_index": "supplier",

"_type": "user",

"_id": "1",

"_score": 1,

"_source": {

"name": "zhangsan",

"age": 30,

"address": "bei jing chang chun jie",

"price": 15000,

"dept": [

"kaifabu",

"yanfabu"

]

}

},

{

"_index": "supplier",

"_type": "user",

"_id": "3",

"_score": 1,

"_source": {

"name": "wangwu",

"age": 26,

"address": "bei jing tong zhou yun he ming zhu",

"price": 13000,

"dept": [

"kaifabu"

]

}

}

]

}

}

took：耗費了幾毫秒

timed_out：是否超時，這里是沒有

_shards：數據拆成了5個分片，所以對于搜索請求，會打到所有的primary shard(或者是它的某個replica shard也可以)

hits.total：查詢結果的數量，3個document

hits.max_score：score的含義，就是document對于一個search的相關度的匹配分數，越相關，就越匹配，分數也高

hits.hits：包含了匹配搜索的document的詳細數據

2、query DSL

查詢所有

GET supplier/user/_search

{

"query": { "match_all": {} }

}

查詢全部并且排序

GET suppluer/user/_search

{

"query": {

"match_all": {}

}

, "sort": [

{

"price": {

"order": "desc"

}

}

]

}

分頁查詢

GET supplier/user/_search

{

"query": { "match_all": {} },

"from": 1,

"size": 1

}

指定要查詢顯示的field

GET supplier/user/_search

{

"query": { "match_all": {} },

"_source": ["name", "price"]

}

3、query filter

搜索name為‘lisi'并且price大于1500的

GET supplier/user/_search

{

"query" : {

"bool" : {

"must" : {

"match" : {

"name" : "lisi"

}

},

"filter" : {

"range" : {

"price" : { "gt" : 1500}

}

}

}

}

}

4、full-text search(全文檢索)

address這個字段，會先被拆解，建立倒排索引

GET /ecommerce/product/_search

{

"query" : {

"match" : {

"address" : "bei jing"

}

}

}

5、phrase search(短語搜索)

跟全文檢索相對應，相反，全文檢索會將輸入的搜索串拆解開來，去倒排索引里面去一一匹配，只要能匹配上任意一個拆解后的單詞，就可以作為結果返回

phrase search，要求輸入的搜索串，必須在指定的字段文本中，完全包含一模一樣的，才可以算匹配，才能作為結果返回

GET /ecommerce/product/_search

{

"query" : {

"match_phrase" : {

"address" : "bei jing"

}

}

}

6、highlight search(高亮搜索結果)

GET /ecommerce/product/_search

{

"query" : {

"match" : {

"address" : "bei jing"

}

},

"highlight": {

"fields" : {

"address" : {}

}

}

}

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