elastic 学习记录-1

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查看所有Index

curl -X GET "localhost:9200/_cat/indices?v"

创建Index

curl -X PUT "localhost:9200/customer?pretty"

删除索引

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vagrant@homestead:~$ curl -X DELETE  "localhost:9200/customer"
{"acknowledged":true}

创建索引内容

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//指定ID建立内容 使用PUT 如果不需要指定ID,则只用POST
curl -X PUT "localhost:9200/customer/_doc/1?pretty" -H 'Content-Type: application/json' -d'
{
  "name": "John Doe"
}
'
    curl -X POST "localhost:9200/customer/_doc/?pretty" -H 'Content-Type: application/json' -d'
{
  "name": "John Doe"
}
'

## 返回
{
  "_index" : "customer", //索引名称
  "_type" : "_doc", //索引类型
  "_id" : "1", //类似于MySQL逐渐
  "_version" : 1, 
  "result" : "created",
  "_shards" : {
    "total" : 2,
    "successful" : 1,
    "failed" : 0
  },
  "_seq_no" : 0,
  "_primary_term" : 1
}

修改文档内容

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curl -X PUT "localhost:9200/customer/_doc/1?pretty" -H 'Content-Type: application/json' -d'
{
  "name": "Livfer"     
}
'
{
  "_index" : "customer",
  "_type" : "_doc",
  "_id" : "1",
  "_version" : 2,
  "result" : "updated",
  "_shards" : {
    "total" : 2,
    "successful" : 1,
    "failed" : 0
  },
  "_seq_no" : 1,
  "_primary_term" : 1
}

查看文档

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 curl -X GET localhost:9200/customer/_doc/1?pretty
{
  "_index" : "customer",
  "_type" : "_doc",
  "_id" : "1",
  "_version" : 2,
  "found" : true,
  "_source" : {
    "name" : "Livfer"
  }
}

更新文档

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//请注意，Elasticsearch实际上并没有在引擎盖下进行就地更新。每当我们进行更新时，Elasticsearch都会删除旧文档,然后一次性应用文档的更新数据
 curl -X POST "localhost:9200/customer/_doc/1/_update?pretty" -H 'Content-Type: application/json' -d'
> {
>   "doc": { "name": "Jane Doe", "age": 20 }
> }
> '

{
  "_index" : "customer",
  "_type" : "_doc",
  "_id" : "1",
  "_version" : 3,
  "result" : "updated",
  "_shards" : {
    "total" : 2,
    "successful" : 1,
    "failed" : 0
  },
  "_seq_no" : 2,
  "_primary_term" : 1
}

//脚本动态更新
curl -X POST "localhost:9200/customer/_doc/1/_update?pretty" -H 'Content-Type: application/json' -d'
> {
>   "script" : "ctx._source.age += 5"
> }
> '

{
  "_index" : "customer",
  "_type" : "_doc",
  "_id" : "1",
  "_version" : 4,
  "result" : "updated",
  "_shards" : {
    "total" : 2,
    "successful" : 1,
    "failed" : 0
  },
  "_seq_no" : 3,
  "_primary_term" : 1
}

//年龄变成25
curl -X GET localhost:9200/customer/_doc/1?pretty
{
  "_index" : "customer",
  "_type" : "_doc",
  "_id" : "1",
  "_version" : 4,
  "found" : true,
  "_source" : {
    "name" : "Jane Doe",
    "age" : 25
  }
}

删除

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 curl -X DELETE "localhost:9200/customer/_doc/1?pretty"
{
  "_index" : "customer",
  "_type" : "_doc",
  "_id" : "1",
  "_version" : 7,
  "result" : "deleted",
  "_shards" : {
    "total" : 2,
    "successful" : 1,
    "failed" : 0
  },
  "_seq_no" : 6,
  "_primary_term" : 1
}

curl -X GET "localhost:9200/customer/_doc/1?pretty"
{
  "_index" : "customer",
  "_type" : "_doc",
  "_id" : "1",
  "found" : false
}

批量操作

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# 批量索引2个文档
vagrant@homestead:~$ curl -X POST "localhost:9200/customer/_doc/_bulk?pretty" -H 'Content-Type: application/json' -d'
> {"index":{"_id":"1"}}
> {"name": "John Doe" }
> {"index":{"_id":"2"}}
> {"name": "Jane Doe" }
> '

{
  "took" : 14,
  "errors" : false,
  "items" : [
    {
      "index" : {
        "_index" : "customer",
        "_type" : "_doc",
        "_id" : "1",
        "_version" : 1,
        "result" : "created",
        "_shards" : {
          "total" : 2,
          "successful" : 1,
          "failed" : 0
        },
        "_seq_no" : 7,
        "_primary_term" : 1,
        "status" : 201
      }
    },
    {
      "index" : {
        "_index" : "customer",
        "_type" : "_doc",
        "_id" : "2",
        "_version" : 1,
        "result" : "created",
        "_shards" : {
          "total" : 2,
          "successful" : 1,
          "failed" : 0
        },
        "_seq_no" : 1,
        "_primary_term" : 1,
        "status" : 201
      }
    }
  ]
}
vagrant@homestead:~$ 
vagrant@homestead:~$ curl -X GET "localhost:9200/customer/_doc/1?pretty"
{
  "_index" : "customer",
  "_type" : "_doc",
  "_id" : "1",
  "_version" : 1,
  "found" : true,
  "_source" : {
    "name" : "John Doe"
  }
}
vagrant@homestead:~$ curl -X POST "localhost:9200/customer/_doc/_bulk?pretty" -H 'Content-Type: application/json' -d'
> {"update":{"_id":"1"}}
> {"doc": { "name": "John Doe becomes Jane Doe" } }
> {"delete":{"_id":"2"}}
> '

{
  "took" : 13,
  "errors" : false,
  "items" : [
    {
      "update" : {
        "_index" : "customer",
        "_type" : "_doc",
        "_id" : "1",
        "_version" : 2,
        "result" : "updated",
        "_shards" : {
          "total" : 2,
          "successful" : 1,
          "failed" : 0
        },
        "_seq_no" : 8,
        "_primary_term" : 1,
        "status" : 200
      }
    },
    {
      "delete" : {
        "_index" : "customer",
        "_type" : "_doc",
        "_id" : "2",
        "_version" : 2,
        "result" : "deleted",
        "_shards" : {
          "total" : 2,
          "successful" : 1,
          "failed" : 0
        },
        "_seq_no" : 2,
        "_primary_term" : 1,
        "status" : 200
      }
    }
  ]
}
# 批量更新ID1的文档,删除ID2的文档
vagrant@homestead:~$ curl -X GET "localhost:9200/customer/_doc/1?pretty"
{
  "_index" : "customer",
  "_type" : "_doc",
  "_id" : "1",
  "_version" : 2,
  "found" : true,
  "_source" : {
    "name" : "John Doe becomes Jane Doe"
  }
}
vagrant@homestead:~$ curl -X GET "localhost:9200/customer/_doc/2?pretty"
{
  "_index" : "customer",
  "_type" : "_doc",
  "_id" : "2",
  "found" : false
}

参考

ElasticSearch教程