DSL-排序
# 单字段排序
sort 可以让我们按照不同的字段进行排序，并且通过 order 指定排序的方式
desc 降序，asc升序
在 Postman 中，向 ES 服务器发 GET 请求
GET http://localhost:9200/student/_search
1
body
{
"query": {
"fuzzy": {
"name": "zhangsan"
}
},
"sort":[{
"age": {
"order":"desc"
}
}]
}
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response
{
"took": 9,
"timed_out": false,
"_shards": {
"total": 1,
"successful": 1,
"skipped": 0,
"failed": 0
},
"hits": {
"total": {
"value": 3,
"relation": "eq"
},
"max_score": null,
"hits": [
{
"_index": "student",
"_type": "_doc",
"_id": "1004",
"_score": null,
"_source": {
"name": "zhangsan1",
"nickname": "zhangsan1",
"sex": "女",
"age": 50
},
"sort": [
50
]
},
{
"_index": "student",
"_type": "_doc",
"_id": "1001",
"_score": null,
"_source": {
"name": "zhangsan",
"nickname": "zhangsan",
"sex": "男",
"age": 30
},
"sort": [
30
]
},
{
"_index": "student",
"_type": "_doc",
"_id": "1005",
"_score": null,
"_source": {
"name": "zhangsan2",
"nickname": "zhangsan2",
"sex": "女",
"age": 30
},
"sort": [
30
]
}
]
}
}
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# 多字段排序
结合使用 age 和 _score 进行查询，并且匹配的结果首先按照年龄排序，然后按照相关性得分排序
在 Postman 中，向 ES 服务器发 GET 请求
GET http://localhost:9200/student/_search
1
body
{
"query": {
"match_all": {}
},
"sort": [
{
"age": {
"order": "desc"
}
},
{
"_score":{
"order": "desc"
}
}
]
}
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response
{
"took": 2,
"timed_out": false,
"_shards": {
"total": 1,
"successful": 1,
"skipped": 0,
"failed": 0
},
"hits": {
"total": {
"value": 5,
"relation": "eq"
},
"max_score": null,
"hits": [
{
"_index": "student",
"_type": "_doc",
"_id": "1004",
"_score": 1.0,
"_source": {
"name": "zhangsan1",
"nickname": "zhangsan1",
"sex": "女",
"age": 50
},
"sort": [
50,
1.0
]
},
{
"_index": "student",
"_type": "_doc",
"_id": "1003",
"_score": 1.0,
"_source": {
"name": "wangwu",
"nickname": "wangwu",
"sex": "女",
"age": 40
},
"sort": [
40,
1.0
]
},
{
"_index": "student",
"_type": "_doc",
"_id": "1001",
"_score": 1.0,
"_source": {
"name": "zhangsan",
"nickname": "zhangsan",
"sex": "男",
"age": 30
},
"sort": [
30,
1.0
]
},
{
"_index": "student",
"_type": "_doc",
"_id": "1005",
"_score": 1.0,
"_source": {
"name": "zhangsan2",
"nickname": "zhangsan2",
"sex": "女",
"age": 30
},
"sort": [
30,
1.0
]
},
{
"_index": "student",
"_type": "_doc",
"_id": "1002",
"_score": 1.0,
"_source": {
"name": "lisi",
"nickname": "lisi",
"sex": "男",
"age": 20
},
"sort": [
20,
1.0
]
}
]
}
}
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Last Updated: 2022/02/05, 15:58:51