If your custom data processing extension connects to data sources using impersonation, you must use the Open method on either the IDbConnection or IDbConnectionExtension interfaces to make the request.

• 如果您的自定义数据处理扩展插件使用模拟功能连接到数据源,则必须在IDbConnection或IDbConnectionExtension接口上使用Open方法来发出请求。