1.mapping定义

:自动或手动为index中的type建立的一种数据结构和相关配置,简称为mapping
dynamic mapping:自动为我们建立index,创建type,以及type对应的mapping,mapping中包含了每个field对应的数据类型,以及如何分词等设置

2.核心的数据类型

string,byte,short,integer,long,float,double,boolean,date

3.mapping查询

method:get
3.1查询所有mapping

localhost:9200/_mapping

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3.2查询单个mapping

{{ip}}/my_index/_mapping

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4.设置mapping

method:PUT

{{ip}}/my_index1/_mapping
{
    "properties":{

        "title":{
            "type":"text"
        }
    }
}

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mapping一旦设置就无法修改

批量新增
POST /bank/_bulk

{"index":{"_id":"1"}}
{"account_number":1,"balance":39225,"firstname":"Amber","lastname":"Duke","age":32,"gender":"M","address":"880 Holmes Lane","employer":"Pyrami","email":"amberduke@pyrami.com","city":"Brogan","state":"IL"}
{"index":{"_id":"6"}}
{"account_number":6,"balance":5686,"firstname":"Hattie","lastname":"Bond","age":36,"gender":"M","address":"671 Bristol Street","employer":"Netagy","email":"hattiebond@netagy.com","city":"Dante","state":"TN"}



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