Just like sorters , filters are designed to be subclassed 和排序程序一樣,過濾器也旨在被子類化。
The viewer uses a viewer sorter to sort its elements in two stages 查看器使用查看器排序程序以便采取兩個步驟對它的元素排序。
Note that , as the names of the methods suggest , a viewer can have several filters at a time but only one sorter 注:正如這些方法的名稱所表明的那樣,一個查看器可以同時有多個過濾器,但只能有一個排序程序。
This instructs db2 to pass the index keys to the sort program in memory , rather than having the keys written to and read once again from sort work files on dasd 這將指示db2將索引鍵傳遞給內(nèi)存中的排序程序,而不是再次將這些鍵寫到dasd上的排序工作文件中,然后從中讀取這些鍵。