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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. Could not find stored procedure ''.?
執行存儲過程( SP_StoredProcedure
)時出現此錯誤:
我的存儲過程(
SP_StoredProcedure
)在執行之前從VB.NET收集了一些數據
dim TableName string = "Table1"
dim acctcode as string "Table1.acctcode"
dim month as integer = 1
dim year as integer = 2011
這是我從VB.NET執行存儲過程( SP_StoredProcedure
)的代碼:
execute("EXECUTE SP_StoredProcedure '"& TableName &"','"& acctcode &"',"& month &","& year &"")
這是我在SP_StoredProcedure
代碼:
CREATE PROCEDURE [dbo].[SP_StoredProcedure]
@TableName as varchar(100),
@AcctCode as varchar(100),
@Month as numeric(18,0),
@Year as numeric(18,0)
AS
BEGIN
DECLARE @Query as varchar(1000)
SET @Query =
'UPDATE Table2 SET Dat = (SELECT Dat FROM '+ @TableName +' WHERE table2.acctcode = '+ @acctcode +' AND month = '+ @month +' AND year = '+ @year +') FROM Table2'
EXEC @Query
END
在varchar字符串中執行動態查詢時,需要轉換數值,這對於日期也很重要! 否則,它不會正確地附加到@Query變量。
同樣,如果@acctcode是varchar,則需要用額外的單引號將其轉義,以便它可以像對待字符串一樣正確處理它。
即..
SET @Query = ' UPDATE Table2 ' +
' SET Dat = ( ' +
' SELECT Dat FROM ' + @TableName +
' WHERE table2.acctcode = '''+ @acctcode +''' +
' AND month = ' + convert(varchar(18), @month) +
' AND year = '+ convert(varchar(18), @year) +
' ) ' +
' FROM Table2 '
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