我的数据是这样的:
KRYPTON-4xLV
KRYPTON-3xSTG
KRYPTON-16xTH
KRYPTON-8xTH
KRYPTON-8xLV
当我在此列上调用 ORDER BY
时,值按如下方式排序:
KRYPTON-16xTH
KRYPTON-3xSTG
KRYPTON-4xLV
KRYPTON-8xLV
KRYPTON-8xTH
有没有办法像这样排序?
KRYPTON-4xLV
KRYPTON-8xLV
KRYPTON-3xSTG
KRYPTON-8xTH
KRYPTON-16xTH
这是 SQL fiddle :http://sqlfiddle.com/#!9/6d061/2
最佳答案
尝试以下操作:
select code
from (select *, substring(code, LOCATE('-', code) + 1, length(code)) o from products )t
order by
substring(o, LOCATE('x', o), length(code)),
cast(o as UNSIGNED)
关于MySQL 用数字对字符串值进行排序?,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/30568384/