本文介绍了MySQL选择格式,圆列的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
我有一个表,其中的产品具有以下列:price [小数8,5]和小数[tinyint-最大值为5].当我列出产品时,必须根据小数列中指定的小数显示价格.我尝试过这样的事情(使用mysql)
I have a table with products that have columns like this: price[decimals 8,5] and decimals [tinyint - max value is 5].When I list products must show price according to the decimals specified in decimals column.I tried something like this(with mysql)
select p.price, round(p.price, p.decimals) as price, p.decimals
from product p
但返回
100.35667 100.35700 3
,我想成为100.我还看到,"Round"将数字四舍五入,这不是我的范围.问候.
and i would like to be 100.I also see that 'Round' rounds the number which is not my scope.Regards.
推荐答案
您需要FORMAT
函数:
http://dev.mysql.com/doc/refman/5.0/zh-CN/string-functions.html#function_format
SELECT
P.price,
FORMAT(P.price, P.decimals) as price,
P.decimals
FROM
product P;
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