This is a powerful feature allowing you to use naming patterns, Boolean logic, and file attributes to select what files to operate on.
这是一种很强大的特性，它使您能够通过名字模式、布尔逻辑和文件属性来选择所要操作的文件。
The rule engine can be implemented in the processing module of the application and would contain logic to select a rule based on the user profile and page concept.
规则引擎可以在应用程序的处理模块内实现并应该包含基于用户概要文件和页面概念而选择规则的逻辑。
If the row does change, the update or delete will fail, and the application logic handles such failures by, for example, retrying the select.
如果确实对这一行进行了修改，那么更新或删除操作将会失败，应用程序逻辑将处理这些失败，例如，重新尝试选择。
应用推荐