使用MySQL进行GROUP_CONCAT之后的SUM数据 [英] SUM datas after a GROUP_CONCAT with mySQL

问题描述

我正在使用phpMyAdmn，并且在mySQL中具有以下查询:

I'm using phpMyAdmn and I've this query in mySQL:

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

以下是用于表结构的SQL Fiddle: http://sqlfiddle.com/#!9/49ee80/8

Here a SQL Fiddle for tables structure: http://sqlfiddle.com/#!9/49ee80/8

如何使用ApplicableTaxesRate数据(5.000,5.000,23.000,23.000)求和这些数据的总和?

How can I use the ApplicableTaxesRate datas (5.000,5.000,23.000,23.000) to make a sum of these datas please ?

所以我应该得到56.00.

谢谢.

推荐答案

尝试一下:

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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