2
UPDATE Recipes RE, (
SELECT SUM((((i.iCaseCost/i.iCaseQty)/i.iUnitSize)/i.iUnitSoldBy)*ri.riQty*ri.riMeasureBy) AS 'RecipeCost'
FROM Recipes r INNER JOIN RecipeIngredients ri
ON r.rID = ri.rID JOIN Ingredients i
ON ri.iID = i.iID
WHERE ri.rID = RE.rID
) t
SET RE.rYieldCost = t.RecipeCost
執行時,出現以下錯誤:「where子句'中的未知列'RE.rID'。MySQL:「更新聲明中的未知列where條款」
任何想法?
@亞當斯:這應該是一個答案 – 2012-04-26 19:04:10