更新时间:2022-08-09 GMT+08:00
        
          
          
        
      
      
      
      
      
      
      
      
  
      
      
      
        
查询元数据
功能介绍
查询某个图下的元数据。
URI
GET /v1.0/{project_id}/graphs/metadatas/{metadata_id}
| 
        参数  | 
      
        是否必选  | 
      
        参数类型  | 
      
        描述  | 
     
|---|---|---|---|
| 
        project_id  | 
      
        是  | 
      
        String  | 
      
        项目编号,用于资源隔离。请参考获取项目ID。  | 
     
| 
        metadata_id  | 
      
        是  | 
      
        String  | 
      
        元数据ID。  | 
     
请求参数
| 
        参数  | 
      
        是否必选  | 
      
        参数类型  | 
      
        描述  | 
     
|---|---|---|---|
| 
        X-Auth-Token  | 
      
        是  | 
      
        String  | 
      
        用户Token。 通过调用IAM服务获取用户Token接口获取(响应消息头中X-Subject-Token的值)。  | 
     
响应参数
状态码: 200
| 
        参数  | 
      
        参数类型  | 
      
        描述  | 
     
|---|---|---|
| 
        errorMessage  | 
      
        String  | 
      
        系统提示信息,执行成功时,字段可能为空。执行失败时,用于显示错误信息。  | 
     
| 
        errorCode  | 
      
        String  | 
      
        系统提示信息,执行成功时,字段可能为空。执行失败时,用于显示错误码。  | 
     
| 
        gesMetadata  | 
      
        GesMetaData object  | 
      
        存储metadata的消息信息的对象。  | 
     
请求示例
GET https://Endpoint/v1.0/{project_id}/graphs/metadatas/{metadata_id}
 响应示例
状态码: 200
OK
{
    "gesMetadata": {
        "labels": [
            {
                "name": "friends",
                "properties": null
            },
            {
                "name": "movie",
                "properties": [
                    {
                        "dataType": "string",
                        "name": "Title",
                        "cardinality": "single"
                    },
                    {
                        "dataType": "int",
                        "name": "Year",
                        "cardinality": "single"
                    },
                    {
                        "dataType": "string",
                        "name": "Genres",
                        "cardinality": "set"
                    }
                ]
            },
            {
                "name": "user",
                "properties": [
                    {
                        "dataType": "string",
                        "name": "Title",
                        "cardinality": "single"
                    },
                    {
                        "dataType": "int",
                        "name": "Year",
                        "cardinality": "single"
                    },
                    {
                        "dataType": "string",
                        "name": "Genres",
                        "cardinality": "set"
                    }{
                        "typeName1": "F",
                        "typeName2": "M",
                        "typeNameCount": "2",
                        "dataType": "enum",
                        "name": "Gender",
                        "cardinality": "single"
                    },
                    {
                        "typeName1": "Under 18",
                        "typeName2": "18-24",
                        "typeName3": "25-34",
                        "typeName4": "35-44",
                        "typeNameCount": "7",
                        "dataType": "enum",
                        "name": "Age",
                        "typeName5": "45-49",
                        "typeName6": "50-55",
                        "cardinality": "single",
                        "typeName7": "56+"
                    },
                    {
                        "dataType": "string",
                        "name": "Occupation",
                        "cardinality": "single"
                    },
                    {
                        "dataType": "char array",
                        "name": "Zip-code",
                        "maxDataSize": "12",
                        "cardinality": "single"
                    }
                ]
            },
            {
                "name": "rate",
                "properties": [
                    {
                        "dataType": "int",
                        "name": "Score",
                        "cardinality": "single"
                    },
                    {
                        "dataType": "date",
                        "name": "Datetime",
                        "cardinality": "single"
                    }
                ]
            }
        ]
    }
}
  状态码: 500
Internal Server Error
{
  "errorCode" : "GES.7006",
  "errorMessage" : "The underlying graph engine has internal error."
}
 状态码
| 
        状态码  | 
      
        描述  | 
     
|---|---|
| 
        200  | 
      
        OK  | 
     
| 
        500  | 
      
        Internal Server Error  | 
     
   父主题: 元数据管理API