<分区>
有行的表格,例如:
+----+
|num |
+----+
| 6 |
| 10 |
| 3 |
+----+
我尝试降序排序,然后对行进行编号
select num, @c:=@c+1 as c from table1 order by num desc;
但这并不是我所需要的。有没有可能得到下面的表格?
+----+----+
|num | c |
+----+----+
| 10 | 1 |
| 6 | 2 |
| 3 | 3 |
+----+----+