SELECT Sum((pvc.cpt_amount) * (pvc.unit)) AS billed_amount,
pvc.cpt_amount,
pvc.unit
FROM payment AS pay
LEFT JOIN patient_insurances AS pi
ON pay.who_paid = pi.id
LEFT JOIN patient_visit_cpt AS pvc
ON (
pay.encounter_id = pvc.id
AND pay.claim_id = pvc.claim_id)
LEFT JOIN patient_visit AS pv
ON pvc.visit_id = pv.id
WHERE
and pi.insurance_id = 761
AND pay.created_at <= '2016-04-01 23:00:00'
AND pay.created_at >= '2016-03-31 00:00:00'
GROUP BY pay.check_number,
pv.attending_provider_id
一点儿也不工作单元= 1和cpt_amount = 145,但输出自带像 用4.像1 * 145 = 580 ..请任一项得到溶液萨姆为乘法
mulitplied
显示我们的DB模式,样本数据和愿望输出。 \t请阅读[**如何提问**](http://stackoverflow.com/help/how-to-ask) \t \t这里是[** START **]( http://spaghettidba.com/2015/04/24/how-to-post-at-sql-question-on-a-public-forum/)了解如何提高您的问题质量并获得更好的答案。 –
听起来像你的“GROUP BY”不正确或不够精确。您是否尝试过不使用“SUM”运行查询? – Technoh
我的猜测是你的一个连接是与一对多相关的表。例如,如果每个'pay'有四个'pi',那么你将总结四份'pvc' – Uueerdo