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  • Elasticsearch之-文档操作

    一 新增文档

    #新增一个id为1的书籍(POST和PUT都可以)
    POST lqz/_doc/1/_create
    #POST lqz/_doc/1
    #POST lqz/_doc 会自动创建id,必须用Post
    {
      "title":"红楼梦",
      "price":12,
      "publish_addr":{
        "province":"黑龙江",
        "city":"鹤岗"
      },
      "publish_date":"2013-11-11",
      "read_num":199,
      "tag":["古典","名著"]
    }

    二 查询文档

    #查询lqz索引下id为7的文档
    GET lqz/_doc/7
    #查询lqz索引下id为7的文档,只要title字段
    GET lqz/_doc/7?_source=title
    #查询lqz索引下id为7的文档,只要title和price字段
    GET lqz/_doc/7?_source=title,price
    #查询lqz索引下id为7的文档,要全部字段
    GET lqz/_doc/7?_source

    三 修改文档

    #修改文档(覆盖修改)
    PUT lqz/_doc/10
    {
      "title":"xxxx",
      "price":333,
      "publish_addr":{
        "province":"黑龙江",
        "city":"福州"
      }
    }
    #修改文档,增量修改,只修改某个字段(注意是post)
    POST lqz/_update/10
    {
      "doc":{
        "title":"修改"
      }
    }

    四 删除文档

    #删除文档id为10的
    DELETE lqz/_doc/10

    五 批量操作之_mget

    #批量获取lqz索引_doc类型下id为2的数据和lqz2索引_doc类型下id为1的数据
    GET _mget
    {
      "docs":[
        {
          "_index":"lqz",
          "_type":"_doc",
          "_id":2
        },
        {
          "_index":"lqz2",
          "_type":"_doc",
          "_id":1
        }
        ]
    }
    
    #批量获取lqz索引下id为1和2的数据
    GET lqz/_mget
    {
      "docs":[
        {
          "_id":2
        },
        {
          "_id":1
        }
        ]
    }
    #同上
    GET lqz/_mget
    {
      "ids":[1,2]
    }

    六 批量操作之 bulk

    PUT test/_doc/2/_create
    {
      "field1" : "value22"
    }
    POST _bulk
    { "index" : { "_index" : "test", "_id" : "1" } }
    { "field1" : "value1" }
    { "delete" : { "_index" : "test", "_id" : "2" } }
    { "create" : { "_index" : "test", "_id" : "3" } }
    { "field1" : "value3" }
    { "update" : {"_id" : "1", "_index" : "test"} }
    { "doc" : {"field2" : "value2"} }
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  • 原文地址:https://www.cnblogs.com/ZhZhang12138/p/14886886.html
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