如您所见,我在此链接SQLFiddle上创建了表。有名称带有点和执行日期。我想每天补充一下这些人在那天是如何完成的。它应该每天从 1 开始(您可以在“排名”中看到它)。结果应该如下所示:
Result
ID | date | Rank | Name
---------------------------------
1 | 2013-10-01 | 1 | Tom
2 | 2013-10-01 | 2 | Karen
3 | 2013-10-01 | 3 | Lucy
4 | 2013-10-02 | 1 | Karen
5 | 2013-10-02 | 2 | Tom
6 | 2013-10-02 | 3 | Lucy
7 | 2013-10-03 | 1 | Tom
8 | 2013-10-03 | 2 | Lucy
9 | 2013-10-03 | 3 | Karen
10 | 2013-10-04 | 1 | Tom
11 | 2013-10-04 | 2 | Lucy
12 | 2013-10-04 | 3 | Karen