elasticsearch REST api

elasticsearch REST api
========================================
命令模式：<REST Verb> /<Index>/<Type>/<ID>

插入索引
------------
PUT /customer?pretty

查询索引列表
-------------
GET /_cat/indices?v

给索引插入文档
-----------------------
PUT /customer/external/1?pretty
{
"name": "John Doe"
}

查询文档
---------------
GET /customer/external/1?pretty

删除索引
------------
DELETE /customer?pretty

修改文档
-------------
如果index/type/id 相同，就会替换文档
PUT /customer/external/1?pretty
{
"name": "Jane Doe"
}

不指定ID插入文档
----------------------
POST /customer/external?pretty
{
"name": "Jane Doe"
}

更新文档
---------------
POST /customer/external/1/_update?pretty
{
"doc": { "name": "Jane Doe", "age": 20 }
}

POST /customer/external/1/_update?pretty
{
"script" : "ctx._source.age += 5"
}

批量操作
------------
POST /customer/external/_bulk?pretty
{"index":{"_id":"1"}}
{"name": "John Doe" }
{"index":{"_id":"2"}}
{"name": "Jane Doe" }

POST /customer/external/_bulk?pretty
{"update":{"_id":"1"}}
{"doc": { "name": "John Doe becomes Jane Doe" } }
{"delete":{"_id":"2"}}

根据索引查询
-----------------
GET /bank/_search
{
"query": { "match_all": {} },
"size": 1
}

GET /bank/_search
{
"query": { "match_all": {} },
"from": 10,
"size": 10
}

GET /bank/_search
{
"query": { "match_all": {} },
"sort": { "balance": { "order": "desc" } }
}

删除旧的日志

-----------------------

POST /*/_delete_by_query
{
"query": {
   "range": {
       "@timestamp": {
           "lt": "now-10d"
       }
   }
}
}

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