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    • 30. 发明授权
    • Method and apparatus for executing a query on dynamic properties of objects in a database
    • 用于执行对数据库中对象的动态属性的查询的方法和装置
    • US07409386B2
    • 2008-08-05
    • US11743096
    • 2007-05-01
    • George F. HongellChih-Cheng HsuHarisch R. NayakDavid J. Wisneski
    • George F. HongellChih-Cheng HsuHarisch R. NayakDavid J. Wisneski
    • G06F17/30G06F9/44
    • G06F17/30607Y10S707/954Y10S707/955Y10S707/99932Y10S707/99933Y10S707/99934
    • Methods and apparatus for executing a query on dynamic properties of a plurality of objects in a database are provided. In one implementation, the method includes obtaining a query; determining that a first portion of the query comprises a method for accessing a dynamic property of the plurality of objects; obtaining mapping data associated with the dynamic property of the plurality of objects, the mapping data mapping the dynamic property to a pre-determined location in the database; translating the first portion of the query in accordance with the mapping data such that the first portion of the query is executable against the pre-determined location in the database without creating instances of the plurality of objects; executing the query including executing the translated first portion of the query without creating instances of the plurality of objects; and displaying a result of the executed query to a user.
    • 提供了用于执行对数据库中的多个对象的动态属性的查询的方法和装置。 在一个实现中,该方法包括获得查询; 确定所述查询的第一部分包括用于访问所述多个对象的动态属性的方法; 获取与所述多个对象的动态属性相关联的映射数据,所述映射数据将所述动态属性映射到所述数据库中的预定位置; 根据所述映射数据翻译所述查询的第一部分,使得所述查询的所述第一部分可针对所述数据库中的预定位置执行,而不创建所述多个对象的实例; 执行所述查询,包括执行所述查询的所转换的第一部分而不创建所述多个对象的实例; 并将所执行的查询的结果显示给用户。