SETUP 具有多个日期范围的多个总和

问题描述

这是我要完成的查询。

SELECT salesrep,SUM(lines_total) AS OTSUM,SUM(order_type = 'NEW') OTNEW,SUM(order_type = 'REPEAT') OTREPEAT,SUM(lines_total 
      WHERE order_closed BETWEEN '2020-11-01' AND '2020-11-30') AS OTLMSUM
    SUM(lines_total 
      WHERE order_closed BETWEEN '2020-12-01' AND '2020-12-31') AS ottMSUM
FROM `ranger_orders`
WHERE order_closed BETWEEN '2020-01-01' AND '2020-12-31'

当然这会失败，但是我如何为多个日期范围设置 SUMS，最后的 WHERE 日期范围需要保持原样。

对于这些行：

SUM(lines_total WHERE order_closed BETWEEN '2020-11-01' AND '2020-11-30') AS OTLMSUM
SUM(lines_total WHERE order_closed BETWEEN '2020-12-01' AND '2020-12-31') AS ottMSUM

解决方法

您需要 CASE 表达式进行条件聚合，例如：

SUM(CASE WHEN order_closed BETWEEN '2020-12-01' AND '2020-12-31' THEN lines_total ELSE 0 END) AS OTTMSUM

对于每个总和，相应地更改 BETWEEN '2020-12-01' AND '2020-12-31'。

,

为了保持销售代表在行上对齐数据，您仍然需要添加所有数字 - 但您可以用零替换超出范围的数字....

SUM(IF (order_closed BETWEEN '2020-11-01' AND '2020-11-30',lines_total,0)) AS OTLMSUM

您指出您收到语法错误，但这看起来像是语义错误：

SUM(order_type = 'NEW') OTNEW

你真的想把这些加起来吗？数他们？对它们进行分类？

查询可能类似于...

SELECT salesrep,SUM(lines_total) AS OTSUM,SUM(IF(order_type = 'NEW',1,0)) OTNEW,SUM(IF(order_type = 'REPEAT',0)) OTREPEAT,SUM(IF (order_closed BETWEEN '2020-11-01' AND '2020-11-30',0)) AS OTLMSUM
    SUM(if(order_closed BETWEEN '2020-12-01' AND '2020-12-31',0)) AS OTTMSUM
FROM `ranger_orders`
WHERE order_closed BETWEEN '2020-01-01' AND '2020-12-31'

此外，对于聚合查询（SUM、AVERAGE、COUNT...），您应该有一个 GROUP BY 子句....

GROUP BY salesrep 

但是这样做会不会更简单....

SELECT salesrep,0)) AS OTNEW,0)) AS OTREPEAT,DATE_FORMAT(order_closed,'%Y-%m') AS month,SUM(lines_total) AS otsum
FROM `ranger_orders`
WHERE order_closed BETWEEN '2020-01-01' AND '2020-12-31'
GROUP BY salesrep,'%Y-%m')