ElasticSearch获取多个文档Multi GET API介绍

灰太狼 2023-07-12 09:26 6阅读 0赞

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#■同时获取多个文档信息
    #■例子:获职index:bank和shakespeare下面
    #. I0为1.2.3.4.15.6.28的文档信息
    GET /bank/bank_account/1
    GET /bank/bank_account/2
    GET /shakespcare/line/3
    GET /bank/bank_account/4
    GET /shakespeare/line/15

#日数组[]
    GET /_mget
    {
      "docs" : [
            {
            "_index" : "bank" ,
            "_type" : "bank_account",
            "_id" :1
            },
            {
            "_index" : "bank",
            "_type" : "bank_account",
            "_id":2
            },
            {
            "_index" : "shakespeare",
            "_type" : "line",
            "_id" :3
            },
            {
            "index" : "shakespeare" ,
            "_type" : "line" ,
            "id":4
            },
            {
            "_index" : "shakespeare",
            "_type" : "line",
            "_id" : 15
            },
            {"_index" : "shakespeare",
            "_type" : "line" ,
            "_id":6
            },
            {
            "_index" : "shakespeare",
            "_type" : "line",
            "_id" :28
            }
        
        ]
    }

#.也可以指定_source字段,获取你想要的
    GET /_mget
    {
      "docs" : [
        {
        "_index" : "shakespeare" ,
        "_type" : 1193,
        "_id" :6,
        "source": "play_name"
        },
        {
        "index" : "shakespeare",
        "_type" : "line",
        "_id" :28,
        "source": "play_nane" 
        }
      ]
    }

#.也可以指定多个source字段,数组形式获取你想要的
    GET /_mget
    {
      "docs" : [
        {
        "_index" : "shakespeare" ,
        "_type" : 1193,
        "_id" :6,
        "source": "play_name"
        },
        {
        "index" : "shakespeare",
        "_type" : "line",
        "_id" :28,
        "source": ["play_nane","speaker","text_entry" ]
        }
      ]
    }

#.获取相同index相同type下不同ID的文档
    GET /shakespeare/1ine/_mget
    {
    "docs" : [
        {"_id": 6} ,
        {"_type" : "line", "_id" :28 }
       ]
    }
    
    #可以这样简便的写
    GET /shakespeare/line/_nget
    {
    "ids" : ["6", "28" ]
    }
    GET /shakespeare/line/_mget
    {"ids" : ["1", "2", "3", "4", "5", "6", "7" ]
      
    }

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