2020-04-09 es基本的crud操作

基本操作

操作演示

• index

PUT users/_doc/1
{
    "user" : "Mike"

}

• create

POST users/_doc/1
{
    "user" : "Mike",
    "post_date" : "2019-04-15T14:12:12",
    "message" : "trying out Kibana"
}

PUT users/_doc/1?op_type=create
{
    "user" : "Jack",
    "post_date" : "2019-05-15T14:12:12",
    "message" : "trying out Elasticsearch"
}

PUT users/_create/1
{
     "user" : "Jack",
}

• update

POST users/_update/1
{
    "doc":{
        "post_date" : "2019-05-15T14:12:12",
        "message" : "trying out Elasticsearch"
    }
}

• read

GET users/_doc/1

• delete

DELETE users/_doc/1

小结

个人理解，index和create等操作不过是从方法演化而来，主要理解上述demo语法，以及语法产生的效果。put和post同时添加users/_doc/1样式的 索引/文档/id的时候，前者就是先删除后创建，后这就仅仅是添加，并且重复会出错。

引用

• https://www.elastic.co/guide/en/elasticsearch/reference/7.1/docs.html