The intention of this paper is to discuss a priority assignation and combination method of many keyword expressions, in order to implement flexible and multiple database sorting.
本文旨在探讨一种多个关键字表达式的权限设置及组合方式，以实现灵活多样的数据库排序效果。
In this implementation, the sorting is pushed down to the database by modifying the SQL query used by the dataset.
在这个实现中，通过修改数据集使用的SQL查询，将排序下推到数据库。
Note that if the results from the cache are likely to be subjected to filtering or sorting, you should select a user-specified database as the storage option.
请注意，如果缓存结果满足筛选或排序，应当选择用户指定数据库为存储选项。
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