我需要在 python 函数中更改表中的最后一条记录,我需要它在循环中。
这是我的数据库表:
"starttime" "endtime" "price" "foreign_key"
2023-02-23 00:00:00 | 2023-02-23 01:00:00 | 0.12812 | 1
2023-02-23 01:00:00 | 2023-02-23 02:00:00 | 0.1068 | 1
2023-02-23 02:00:00 | 2023-02-23 03:00:00 | 0.06 | 1
2023-02-23 03:00:00 | 2023-02-23 04:00:00 | 0.06005 | 1
2023-02-23 04:00:00 | 2023-02-23 05:00:00 | 0.10686 | 1
2023-02-23 05:00:00 | 2023-02-23 06:00:00 | 0.11522 | 1
2023-02-23 06:00:00 | 2023-02-23 07:00:00 | 0.13563 | 1
2023-02-23 07:00:00 | 2023-02-23 08:00:00 | 0.15773 | 1
2023-02-23 08:00:00 | 2023-02-23 09:00:00 | 0.17381 | 1
2023-02-23 09:00:00 | 2023-02-23 10:00:00 | 0.16396 | 1
2023-02-23 10:00:00 | 2023-02-23 11:00:00 | 0.1399 | 1
2023-02-23 11:00:00 | 2023-02-23 12:00:00 | 0.11974 | 1
2023-02-23 12:00:00 | 2023-02-23 13:00:00 | 0.11521 | 1
2023-02-23 13:00:00 | 2023-02-23 14:00:00 | 0.12723 | 1
2023-02-23 14:00:00 | 2023-02-23 15:00:00 | 0.1356 | 1
2023-02-23 15:00:00 | 2023-02-23 16:00:00 | 0.11524 | 1
2023-02-23 16:00:00 | 2023-02-23 17:00:00 | 0.11521 | 1
2023-02-23 17:00:00 | 2023-02-23 18:00:00 | 0.12061 | 1
2023-02-23 18:00:00 | 2023-02-23 19:00:00 | 0.12334 | 1
2023-02-23 19:00:00 | 2023-02-23 20:00:00 | 0.11179 | 1
2023-02-23 20:00:00 | 2023-02-23 21:00:00 | 0.1042 | 1
2023-02-23 21:00:00 | 2023-02-23 22:00:00 | 0.10362 | 1
2023-02-23 22:00:00 | 2023-02-23 23:00:00 | 0.09 | 1
2023-02-23 23:00:00 | 2023-02-23 00:00:00 | 0.07331 | 1
我曾尝试制作 where 语句、使用 id、制作 mysql 触发器,但它们无法循环工作。该应用程序必须 24/7 全天候运行,因此该功能必须处于循环状态。