[英]SUM datas after a GROUP_CONCAT with mySQL
我正在使用phpMyAdmn,并且在mySQL中有以下查询:
SELECT BIL_Date, BIL_Rate, BIL_Quantity,
GROUP_CONCAT(COALESCE(STX_Amount, "0")) AS ApplicableTaxesRate
FROM ___BillableDatas
LEFT JOIN ___SalesTaxes
ON FIND_IN_SET(STX_Id, BIL_ApplicableTaxes) > 0
WHERE BIL_HotelId='cus_CNHLMiMOzP5cuM'
AND BIL_BookingId='2'
ORDER BY BIL_Date
ASC
这里是用于表结构的SQL Fiddle: http ://sqlfiddle.com/#!9/49ee80/8
我如何使用ApplicableTaxesRate
数据(5.000,5.000,23.000,23.000)求和这些数据的总和?
所以我应该得到56.00
。
谢谢。
尝试这个 :
SELECT BIL_Date, BIL_Rate, BIL_Quantity,
GROUP_CONCAT(COALESCE(STX_Amount, "0")) AS ApplicableTaxesRate,SUM(STX_Amount)as sum
FROM ___BillableDatas
LEFT JOIN ___SalesTaxes
ON FIND_IN_SET(STX_Id, BIL_ApplicableTaxes) > 0
WHERE BIL_HotelId='cus_CNHLMiMOzP5cuM'
AND BIL_BookingId='2'
ORDER BY BIL_Date
ASC
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