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[英]Arithmetic overflow error converting varchar to data type numeric in stored procedure
[英]Arithmetic overflow error converting varchar to data type numeric in the stored procedure (parameterised) caluculation
我想計算包含增值稅,運輸成本,總計的總和,同時通過使用@total計算總計來獲得將varchar轉換為數據類型數值錯誤的算術溢出錯誤。如何解決此問題
PROCEDURE [dbo].[GrandTotal]
@GrandTotal decimal(10,2)
as
BEGIN
DECLARE @1stQuery AS NVARCHAR(4000)
DECLARE @ParamDefinition AS NVARCHAR(2000)
DECLARE @Total AS decimal (18,12)
DECLARE @vat AS decimal (10,2)
DECLARE @Gtotal AS decimal (10,2)
set @Total = 'select ((L.Quantity*L.Price)- L.DiscountValue-((O.AllocatedPoint / 100) * O.ExchangeRate))AS Total
FROM [Orders] O
LEFT JOIN [LineItem] L ON O.[OrderId] = L.[OrderId] where L.[StatusCode] IN (''AS'', ''PP'', ''P'',''PS'',''O'',''OH'',''SC'',''D'', ''GA'',''SW'')'
set @vat = @Total / (100 + 20) * 20;
set @Gtotal =@Total-@vat
set @1stQuery =
' select orderid,GrandTotal from (SELECT O.[OrderId],
CAST( ROUND((@Gtotal+O.ShippingCost),2)AS DECIMAL(10,2)) AS GrandTotal
FROM LineItem L
left JOIN [Orders] O ON O.[OrderId] = L.[OrderId]
left join [Country] C on O.[CountryId] = c.[CountryId]
)as gt where 1=1
'
if @GrandTotal is not null
SET @1stQuery = @1stQuery + 'and gt.[GrandTotal] = @GrandTotal '
set @ParamDefinition='@GrandTotal decimal (10,2),@Total decimal(18,12),@Gtotal decimal(10,2),@vat decimal(10,2)
'
EXECUTE sp_Executesql @1stQuery,
@ParamDefinition,
@GrandTotal,
@Total,
@Gtotal,@vat
END
您的錯誤與計算無關,這是因為您已將@total
聲明為十進制,然后為其分配了字符串值。 您可以使用以下方法重新創建錯誤:
DECLARE @Total AS decimal (18,12)
set @Total = 'select ((L.Quantity*L.Price)- L.DiscountValue-((O.AllocatedPoint / 100) * O.ExchangeRate))AS Total
FROM [Orders] O
LEFT JOIN [LineItem] L ON O.[OrderId] = L.[OrderId] where L.[StatusCode] IN (''AS'', ''PP'', ''P'',''PS'',''O'',''OH'',''SC'',''D'', ''GA'',''SW'')'
哪個產量
Msg 8115,第16級,狀態6,第3行
將varchar轉換為數值數據類型的算術溢出錯誤。
就其價值而言,您的查詢中還有無數其他錯誤,或者我看不到其背后的邏輯的操作,但是您尚不清楚要實現的目標,因此,我還無法提出其他選擇。 我將指出,盡管根本不需要動態SQL!
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