MySql如何在数字格式后排序结果？

Posted 2023-05-09

【中文标题】MySql如何在数字格式后排序结果？

【英文标题】：MySql how to order results after a number format?

【发布时间】：2018-04-23 14:13:35

【问题描述】：

我想返回按 tcv SUM 的结果降序排列的结果。如果我删除 FORMAT() 函数，这很好用，但是当我将 FORMAT() 函数添加到 SUM 时，它会按前几位的顺序返回结果，而不是查看整个数字。

所以它会在 7,456,234.00 之前返回 87,400.00，因为 8 在 7 之后，这显然不是预期的结果。

SELECT
x.user as user, u.name, 
FORMAT(SUM(IF(x.stage IN ('Closed Won') AND x.close_date BETWEEN '2018-04-01 00:00:00' AND '2018-04-30', x.amount_base, 0)), 2) as tcv, 
FORMAT(SUM(IF(x.stage IN ('Closed Won') AND x.close_date BETWEEN '2018-04-01 00:00:00' AND '2018-04-30', x.mrr_base, 0)), 2) as mrr,
FROM table AS x 
LEFT JOIN users u ON x.owner = u.name WHERE x.resign_new = 'New' AND x.owner IN ("Name 1", "Name 2", "Name 3")  
GROUP BY x.owner   
ORDER BY tcv DESC

我需要适当的格式，因为数字需要用逗号分隔符格式化以提高可读性。

我做错了什么让 mysql 错误地返回我 ORDER BY？

【参考方案1】：

sum 函数根据您要聚合的列的数据类型返回小数或双精度。因此，要对其进行正确排序，您可以删除 order by 中的格式子句。见下文。

SELECT
x.user as user, u.name, 
FORMAT(SUM(IF(x.stage IN ('Closed Won') AND x.close_date BETWEEN '2018-04-01 00:00:00' AND '2018-04-30', x.amount_base, 0)), 2) as tcv, 
FORMAT(SUM(IF(x.stage IN ('Closed Won') AND x.close_date BETWEEN '2018-04-01 00:00:00' AND '2018-04-30', x.mrr_base, 0)), 2) as mrr,
FROM table AS x 
LEFT JOIN users u ON x.owner = u.name WHERE x.resign_new = 'New' AND x.owner IN ("Name 1", "Name 2", "Name 3")  
GROUP BY x.owner   
ORDER BY (SUM(IF(x.stage IN ('Closed Won') AND x.close_date BETWEEN '2018-04-01 00:00:00' AND '2018-04-30', x.amount_base, 0))) DESC