增

PUT /precedent/_mapping
{
  "properties": {
    "clean_process": {
      "properties": {
        "stand": {
          "type": "text",
          "fields": {
            "keyword": {
              "type": "keyword",
              "ignore_above": 256
            }
          }
        },
        "form": {
          "type": "text",
          "fields": {
            "keyword": {
              "type": "keyword",
              "ignore_above": 256
            }
          }
        },
        "bert": {
          "type": "text",
          "fields": {
            "keyword": {
              "type": "keyword",
              "ignore_above": 256
            }
          }
        }
      }
    }
  }
}




    

删

删除文档某个属性 

POST /precedent/_update/5e9551f2cc0e3e3394e8e9cd
{
    "script" : "ctx._source.remove(\"clean_process.bert\")"
}

改

更新  不用全部写全，只会更新对应的 nested 的某个元素 
POST /precedent/_update/5e9551f2cc0e3e3394e8e9cd
{
    "doc" : {
        "clean_process":{
            "bert" : 0
        }
    }
}

查

# 查询 nested 字段 exists 的count 
GET /precedent/_count
{
  "query": {
    "nested": {
      "path": "zyjd",
      "query": {
        "exists": {
      "field":"zyjd"
    }
      }
    }
    
  }
}