如何解决SETUP 具有多个日期范围的多个总和
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')
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