Elasticsearch(2)
1. 색인의 몇 가지 조회
1.query sting search
GET /ecummerce/product/_search
1.took :
2.timed_out
3._shards ： ， ， primary shard( replica shard )
4.hits.total 3 document
5.hits.max_score ：score document search ， ， 。
6.hits.hits： document
{
"took" : 438,
"timed_out" : false,
"_shards" : {
"total" : 1,
"successful" : 1,
"skipped" : 0,
"failed" : 0
},
"hits" : {
"total" : {
"value" : 3,
"relation" : "eq"
},
"max_score" : 1.0,
"hits" : [
{
"_index" : "ecummerce",
"_type" : "product",
"_id" : "2",
"_score" : 1.0,
"_source" : {
"name" : "jiajieshi yagao",
"desc" : "jiajieshi fangzhu",
"price" : 25,
"product" : "jiajieshi producter",
"tags" : [
"fengzhu"
]
}
},
{
"_index" : "ecummerce",
"_type" : "product",
"_id" : "3",
"_score" : 1.0,
"_source" : {
"name" : "zhonghua yagao",
"desc" : "caoben zhizu",
"price" : 40,
"product" : "zhonghua producter",
"tags" : [
"qingxin"
]
}
},
{
"_index" : "ecummerce",
"_type" : "product",
"_id" : "1",
"_score" : 1.0,
"_source" : {
"name" : "gaolujie yagao",
"desc" : "gaoxiao meibai",
"price" : 30,
"product" : "gaolujie producter",
"tags" : [
"fengzhu",
"meibai"
]
}
}
]
}
}
query string search r search http query string
2. yagao ， ：GET /ecommerce/product/_search?q=name:yagao&sort=price:desc
{
"took" : 0,
"timed_out" : false,
"_shards" : {
"total" : 1,
"successful" : 1,
"skipped" : 0,
"failed" : 0
},
"hits" : {
"total" : {
"value" : 3,
"relation" : "eq"
},
"max_score" : null,
"hits" : [
{
"_index" : "ecummerce",
"_type" : "product",
"_id" : "3",
"_score" : null,
"_source" : {
"name" : "zhonghua yagao",
"desc" : "caoben zhizu",
"price" : 40,
"product" : "zhonghua producter",
"tags" : [
"qingxin"
]
},
"sort" : [
40
]
},
{
"_index" : "ecummerce",
"_type" : "product",
"_id" : "1",
"_score" : null,
"_source" : {
"name" : "gaolujie yagao",
"desc" : "gaoxiao meibai",
"price" : 30,
"product" : "gaolujie producter",
"tags" : [
"fengzhu",
"meibai"
]
},
"sort" : [
30
]
},
{
"_index" : "ecummerce",
"_type" : "product",
"_id" : "2",
"_score" : null,
"_source" : {
"name" : "jiajieshi yagao",
"desc" : "jiajieshi fangzhu",
"price" : 25,
"product" : "jiajieshi producter",
"tags" : [
"fengzhu"
]
},
"sort" : [
25
]
}
]
}
}
query DSL
http equest body : json ， ， 。
：
GET /ecummerce/product/_search
{
"query":{
"match_all":{}
}
}
GET /ecummerce/product/_search
{
"query":{
"match_all":{}
}
}
G
yagao ， ET /ecummerce/product/_search
{
"query":{
"match":{
"name":"yagao"
}
},
"sort":[
{"price":"desc"}
]
}
3. ， 3 ， 1 ， 2 ， 2
from：
size:
GET /ecummerce/product/_search
{
"query":{
"match_all":{}
},
"from":1,
"size":1
}
：
{
"took" : 32,
"timed_out" : false,
"_shards" : {
"total" : 1,
"successful" : 1,
"skipped" : 0,
"failed" : 0
},
"hits" : {
"total" : {
"value" : 3,
"relation" : "eq"
},
"max_score" : 1.0,
"hits" : [
{
"_index" : "ecummerce",
"_type" : "product",
"_id" : "3",
"_score" : 1.0,
"_source" : {
"name" : "zhonghua yagao",
"desc" : "caoben zhizu",
"price" : 40,
"product" : "zhonghua producter",
"tags" : [
"qingxin"
]
}
}
]
}
}
4.
GET /ecummerce/product/_search
{
"query":{
"match_all":{}
},
"_source":["name","price"]
}
{
"took" : 7,
"timed_out" : false,
"_shards" : {
"total" : 1,
"successful" : 1,
"skipped" : 0,
"failed" : 0
},
"hits" : {
"total" : {
"value" : 3,
"relation" : "eq"
},
"max_score" : 1.0,
"hits" : [
{
"_index" : "ecummerce",
"_type" : "product",
"_id" : "2",
"_score" : 1.0,
"_source" : {
"price" : 25,
"name" : "jiajieshi yagao"
}
},
{
"_index" : "ecummerce",
"_type" : "product",
"_id" : "3",
"_score" : 1.0,
"_source" : {
"price" : 40,
"name" : "zhonghua yagao"
}
},
{
"_index" : "ecummerce",
"_type" : "product",
"_id" : "1",
"_score" : 1.0,
"_source" : {
"price" : 30,
"name" : "gaolujie yagao"
}
}
]
}
}
3.query filter
yagao, 25
GET /ecummerce/product/_search
{
"query":{
"bool": {
"must": {
"match": {
"name": "yagao"
}
},
"filter":{
"range":{
"price":{
"gt":25
}
}
}
}
}
}
：
{
"took" : 35,
"timed_out" : false,
"_shards" : {
"total" : 1,
"successful" : 1,
"skipped" : 0,
"failed" : 0
},
"hits" : {
"total" : {
"value" : 2,
"relation" : "eq"
},
"max_score" : 0.13353139,
"hits" : [
{
"_index" : "ecummerce",
"_type" : "product",
"_id" : "3",
"_score" : 0.13353139,
"_source" : {
"name" : "zhonghua yagao",
"desc" : "caoben zhizu",
"price" : 40,
"product" : "zhonghua producter",
"tags" : [
"qingxin"
]
}
},
{
"_index" : "ecummerce",
"_type" : "product",
"_id" : "1",
"_score" : 0.13353139,
"_source" : {
"name" : "gaolujie yagao",
"desc" : "gaoxiao meibai",
"price" : 30,
"product" : "gaolujie producter",
"tags" : [
"fengzhu",
"meibai"
]
}
}
]
}
}
4.ful-text search （ ）
GET /ecummerce/product/_search
{
"query":{
"match": {
"product": "yagao producter"
}
}
}
producter ，
：
{
"took" : 8,
"timed_out" : false,
"_shards" : {
"total" : 1,
"successful" : 1,
"skipped" : 0,
"failed" : 0
},
"hits" : {
"total" : {
"value" : 4,
"relation" : "eq"
},
"max_score" : 0.110377684,
"hits" : [
{
"_index" : "ecummerce",
"_type" : "product",
"_id" : "2",
"_score" : 0.110377684,
"_source" : {
"name" : "jiajieshi yagao",
"desc" : "jiajieshi fangzhu",
"price" : 25,
"product" : "jiajieshi producter",
"tags" : [
"fengzhu"
]
}
},
{
"_index" : "ecummerce",
"_type" : "product",
"_id" : "3",
"_score" : 0.110377684,
"_source" : {
"name" : "zhonghua yagao",
"desc" : "caoben zhizu",
"price" : 40,
"product" : "zhonghua producter",
"tags" : [
"qingxin"
]
}
},
{
"_index" : "ecummerce",
"_type" : "product",
"_id" : "1",
"_score" : 0.110377684,
"_source" : {
"name" : "gaolujie yagao",
"desc" : "gaoxiao meibai",
"price" : 30,
"product" : "gaolujie producter",
"tags" : [
"fengzhu",
"meibai"
]
}
},
{
"_index" : "ecummerce",
"_type" : "product",
"_id" : "5",
"_score" : 0.09271725,
"_source" : {
"name" : "special yagao",
"desc" : "special meibai",
"price" : 50,
"product" : "special gaolujie producter",
"tags" : [
"meibai"
]
}
}
]
}
}
5.highight search（ ）
6.
1. ， tag
GET /ecummerce/product/_search
{
"aggs":{
"group_by_tages":{
"terms": {
"field": "tags"
}
}
}
}
PUT /ecummerce/_mapping/product
{
"properties":{
"tags":{
"type":"text",
"fielddata":true
}
}
}
： yagao ， tag
GET /ecummerce/product/_search
{
"query":{
"match": {
"name": "yagao"
}
},
"aggs":{
"group_by_tages":{
"terms": {
"field": "tags"
}
}
}
}
， ， ， tag 。
GET /ecummerce/product/_search
{
"size":0,
"aggs":{
"group_by_tages":{
"terms": {
"field": "tags"
},
"aggs": {
"avg_price": {
"avg": {
"field": "price"
}
}
}
}
}
}
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