Easticsearch官网《Elasticsearch权威指南》笔记2——文档基本操作

创建文档

PUT /megacorp/employee/1
{
    "first_name" : "John",
    "last_name" :  "Smith",
    "age" :        25,
    "about" :      "I love to go rock climbing",
    "interests": [ "sports", "music" ]
}

路径 /megacorp/employee/1 包含了三部分的信息：

megacorp
索引名称
employee
类型名称
1
特定雇员的ID

获取文档

GET /megacorp/employee/1

返回结果

{
  "_index" :   "megacorp",
  "_type" :    "employee",
  "_id" :      "1",
  "_version" : 1,
  "found" :    true,
  "_source" :  {
      "first_name" :  "John",
      "last_name" :   "Smith",
      "age" :         25,
      "about" :       "I love to go rock climbing",
      "interests":  [ "sports", "music" ]
  }
}

带_的是一系列元数据，_source是原始的JSON文档

更新文档

PUT /megacorp/employee/1
{
    "first_name" : "John",
    "last_name" :  "Smith",
    "age" :        26,
    "about" :      "I love to go rock climbing",
    "interests": [ "sports", "music", "movies" ]
}

再次GET /megacorp/employee/1返回结果：

{
  "_index": "megacorp",
  "_type": "employee",
  "_id": "1",
  "_version": 2,
  "found": true,
  "_source": {
    "first_name": "John",
    "last_name": "Smith",
    "age": 26,
    "about": "I love to go rock climbing",
    "interests": [
      "sports",
      "music",
      "movies"
    ]
  }
}