elasticsearch查询

1、REST Request URI

curl -XGET http://vm1:9200/customer/external/_search?q=*&pretty

2、REST Request Body

1）查询设置

curl -XPOST http://vm1:9200/customer/external/_search?pretty -d '{
query: {match_all: {}},
size: 5,
from: 0,
sort: {balance: {order: "desc"}},
_source: ["balance", "account_number"]
'

query：设置查询条件

size：返回的数据量

from：数据从哪条开始，第一条是0

sort：排序

_source：返回哪些字段

2）查询条件

• match query
  

match_all：所有数据

match：等于或包含某些值的

match_phrase：等于或包含某个值

查询所有数据

curl -XPOST http://vm1:9200/customer/external/_search?pretty -d '{query: {match_all: {}}}'

查询account_number（数值类型）是20的数据

curl -XPOST http://vm1:9200/customer/external/_search?pretty -d '
{
query: {match: {account_number: 20}}
}'

查询address包含mill的数据

curl -XPOST http://vm1:9200/customer/external/_search?pretty -d '
{
query: {match: {address: "mill"}}
}'

查询address包含mill或lane的数据

curl -XPOST http://vm1:9200/customer/external/_search?pretty -d '
{
query: {match: {address: "mill lane"}}
}'

查询address包含"mill lane"的数据，文本作为一个整体进行比较

curl -XPOST http://vm1:9200/customer/external/_search?pretty -d '
{
query: {match_phrase: {address: "mill lane"}}
}'

• boolean query
  

must：相当于and操作

should：相当于or操作

must_not：相当于非操作

address包含mill并且包含lane

curl -XPOST http://vm1:9200/customer/external/_search?pretty -d '
{
query: {bool: {must: [{match: {address: "mill"}}, {match: {address: "lane"}}]}}
}'

address包含mill或包含lane

curl -XPOST http://vm1:9200/customer/external/_search?pretty -d '
{
query: {bool: {should: [{match: {address: "mill"}}, {match: {address: "lane"}}]}}
}'

address不包含mill并且不包含lane

curl -XPOST http://vm1:9200/customer/external/_search?pretty -d '
{
query: {bool: {must_not: [{match: {address: "mill"}}, {match: {address: "lane"}}]}}
}'

多个条件组合

curl -XPOST 'localhost:9200/bank/_search?pretty' -d '
{
  "query": {
    "bool": {
      "must": [
        { "match": { "age": "40" } }
      ],
      "must_not": [
        { "match": { "state": "ID" } }
      ]
    }
  }
}'

filter query

aggregation query

来自为知笔记(Wiz)