Linux 系列之六用户实战

集群操作

• 查看集群健康情况

GET /_cat/health?v

• 查看索引状态

GET /_cat/indices?v

索引操作

• 创建索引

put /xiniu1

• 删除索引

delete /xiniu1

• 创建索引并制定mapping映射

PUT /xiniu
{
  "mappings": {
    "properties": { 
      "title":    { "type": "text"  }, 
      "name":     { "type": "text"  }, 
      "age":      { "type": "integer" },  
      "created":  {
        "type":   "date", 
        "format": "strict_date_optional_time||epoch_millis"
      }
    }
  }
}

• 查看mapping

GET /xiniu/_mapping

• 插入数据

# 不指定id
POST /xiniu/_doc
{
  "name":"ls",
  "title":"李四",
  "age":28,
  "created":"2021-06-04"
}

# 指定id插入
POST /xiniu/_doc/1
{
  "name":"ls",
  "title":"李四",
  "age":28,
  "created":"2021-06-04"
}

• 查询文档

GET /xiniu/_doc/1

• 修改文档内容

PUT /xiniu/_doc/1
{
  "name":"lls",
  "title":"李老四"
}

• 删除文档内容

delete /xiniu/_doc/1

• 批量插入

# 使用_bulk方式批量插入
POST /xiniu/_doc/_bulk
{"index":{}}
{"name":"zhaoy","title":"赵杨","age":18,"created":"2021-06-05"}
{"index":{}}
{"name":"yux","title":"宇鑫","age":25,"created":"2021-06-05"}

搜索篇

• 批量插入(指定id)

# 批量插入测试数据
POST /hainiu/user/_bulk
{"index":{"_id":1}}
{"name":"laoli","realname":"老李","age":28,"birthday":"2012-11-17","salary":20000.0,"address":"北京市昌平区"}
{"index":{"_id":2}}
{"name":"laozhang","realname":"老张","age":20,"birthday":"2012-12-21","salary":2000.0,"address":"北京市朝阳区"}
{"index":{"_id":3}}
{"name":"laowang","realname":"老王","age":25,"birthday":"2015-06-16","salary":3300.0,"address":"北京市海淀区"}
{"index":{"_id":4}}
{"name":"laosun","realname":"老孙","age":20,"birthday":"2006-06-16","salary":15300.0,"address":"北京市海淀区中关村软件园"}
{"index":{"_id":5}}
{"name":"laozhao","realname":"老赵","age":35,"birthday":"2011-06-16","salary":1303.0,"address":"北京市海淀区西二旗"}

• 查询所有数据并排序

GET /hainiu/user/_search
{
  "query":{
    "match_all": {}
  },
  "sort":{
    "age":"desc"
  }
}

• 分页查询

GET /hainiu/user/_search
{
  "query":{
    "match_all": {}
  },
  "sort":{
    "age":"desc"
  },
  "from":0,
  "size":2
}

• 匹配查询

GET /hainiu/user/_search
{
  "query":{
    "match": {
      "birthday": "2015-06-16"
    }
  }
}

• 精确查询

GET /hainiu/user/_search
{
  "query":{
    "term": {
      "name": {
        "value": "laoli"
      }
    }
  }
}

• 范围查询

GET /hainiu/user/_search
{
  "query":{
    "range": {
      "age": {
        "gte": 15,
        "lte": 24
      }
    }
  }
}