我试图显示每一天的发票,因此,出于这个目的,我在创建日期使用分组依据,在小计上使用总计。这是我的方法:
SELECT
`main_table`.*,
SUM(subtotal) AS `total_sales`
FROM
`sales_invoice` AS `main_table`
GROUP BY
DATE_FORMAT(created_at, "%m-%y")
它可以正常工作,但我还想获取每个日期的发票号和发票号。是否可以通过单个查询来完成?
编辑 :
表结构:
------------------------------------------------
| id | inoice_no | created_at | subtotal
| 1 | 34 | 2015-03-17 05:55:27 | 5
| 2 | 35 | 2015-03-17 12:35:00 | 7
| 3 | 36 | 2015-03-20 01:40:00 | 3
| 4 | 37 | 2015-03-20 07:05:13 | 6
| 5 | 38 | 2015-03-20 10:25:23 | 1
| 6 | 39 | 2015-03-24 12:00:00 | 6
------------------------------------------------
输出
---------------------------------------------------------------
| id | inoice_no | created_at | subtotal | total_sales
| 2 | 35 | 2015-03-17 12:35:00 | 7 | 12
| 5 | 38 | 2015-03-20 10:25:23 | 1 | 10
| 6 | 39 | 2015-03-24 12:00:00 | 6 | 6
-----------------------------------------------------------------
我期望什么
---------------------------------------------------------------
| id | inoice_no | created_at | subtotal | total_sales | in_from | in_to
| 2 | 35 | 2015-03-17 12:35:00 | 7 | 12 | 34 | 35
| 5 | 38 | 2015-03-20 10:25:23 | 1 | 10 | 36 | 38
| 6 | 39 | 2015-03-24 12:00:00 | 6 | 6 | 39 | 39
-----------------------------------------------------------------
如果您的发票号码是INTEGER,则下面的查询将为您提供所需的结果:
SELECT DATE_FORMAT(A.created_at, "%m-%y") AS InvoiceDate,
MIN(A.invoiveNo) AS FromInvoiceNo,
MAX(A.invoiveNo) AS ToInvoiceNo,
SUM(A.subtotal) AS total_sales
FROM sales_invoice AS A
GROUP BY InvoiceDate;
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我来说两句