mysql 排序解决方法
mysql 排序
2009-10
2009-8
2009-10+2
10021-8
我想排成這樣，“—”前面的按字符由小到大排序，“—”後面的按數字由小到大排列
10021-8
2009-8
2009-10
2009-10+2
------解决方案--------------------
SELECT substring( fld1, 1, (
instr( fld1, '-' ) -1 )
) AS fld1, substring( fld1, (
instr( fld1, '-' ) +1 )
) AS fld2
FROM `table1`
ORDER BY fld1 ASC , fld2 ASC
外面那层select不要也可以
这样的话，数据量大应该也没问题吧
------解决方案--------------------
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