对比数据实例

功能介绍

通过此接口可以对比某个模型数据实例的不同版本的属性和关系。建议使用数据建模引擎（xDM Foundation，简称xDM-F）新增的差异对比功能，即使用instance-attrs-comparison和instance-relation-comparison接口，更多内容可在应用运行态的“数据服务管理 > 全量数据服务 > 系统管理API > 属性对比API”中查看。在调用该接口前请确保数据模型具有“系统版本”功能。

URI

POST /rdm_{identifier}_app/publicservices/api/{modelName}/compareVersion

请求参数

响应参数

状态码： 200

请求示例

POST https://dme.cn-north-4.huaweicloud.com/rdm_b3f9b7523a6141f4b2d76b92d6595281_app/publicservices/api/HistoryDataModel/compareVersion

{
  "applicationId" : "b3f9b7523a6141f4b2d76b92d6595281",
  "params" : {
    "basicVersion" : 1,
    "correlationVersion" : 2,
    "id" : "616714869831376896"
  }
}

响应示例

状态码： 200

OK

{
  "result" : "SUCCESS",
  "data" : [ {
    "id" : "616714869831376896",
    "creator" : "xdmAdmin",
    "createTime" : "2024-04-02T11:24:42.000+0000",
    "modifier" : "xdmAdmin",
    "lastUpdateTime" : "2024-04-02T11:24:42.000+0000",
    "rdmVersion" : 1,
    "rdmOperationType" : "CREATE",
    "rdmExtensionType" : "HistoryDataModel",
    "rdmDeleteFlag" : 0,
    "tenant" : {
      "id" : "-1",
      "creator" : "xdmAdmin",
      "createTime" : "2023-12-01T01:25:21.000+0000",
      "modifier" : "xdmAdmin",
      "lastUpdateTime" : "2023-12-01T01:25:21.000+0000",
      "rdmVersion" : 1,
      "rdmOperationType" : null,
      "rdmExtensionType" : "Tenant",
      "rdmDeleteFlag" : 0,
      "tenant" : null,
      "className" : "Tenant",
      "name" : "basicTenant",
      "description" : "默认租户",
      "kiaguid" : null,
      "securityLevel" : "internal",
      "nameEn" : null,
      "code" : "basicTenant",
      "disableFlag" : false,
      "dataSource" : "DefaultDataSource"
    },
    "className" : "HistoryDataModel"
  }, {
    "rdmVersion" : 2,
    "rdmOperationType" : "UPDATE",
    "modifier" : "xdmAdmin2",
    "id" : "616714869831376896"
  } ],
  "errors" : [ ]
}

状态码

错误码

请参见错误码。