C# 条件id为行的SQL求和行
SQL server 2008。 我有一张桌子:C# 条件id为行的SQL求和行,c#,sql,C#,Sql,SQL server 2008。 我有一张桌子: ID note valueA valueB isCondition condition 1 SumA ? ? True 2+3+4 2 A.1 5 6 False 3 A.2 5
ID note valueA valueB isCondition condition
1 SumA ? ? True 2+3+4
2 A.1 5 6 False
3 A.2 5 6 False
4 A.3 5 6 False
5 SumB ? ? True 2+3
6 B.1 ? ? False
所以,我想要有条件的和行数
CREATE TABLE #tmp (id int,splitdata int)
CREATE FUNCTION [dbo].[fnSplitdata]
(
@string NVARCHAR(MAX),
@delimiter CHAR(1) ,
@CurrentId int
)
RETURNS @output TABLE(splitdata NVARCHAR(MAX)
)
BEGIN
DECLARE @start INT, @end INT
SELECT @start = 1, @end = CHARINDEX(@delimiter, @string)
WHILE @start < LEN(@string) + 1 BEGIN
IF @end = 0
SET @end = LEN(@string) + 1
INSERT INTO #tmp VALUES(CurrentId,SUBSTRING(@string, @start, @end - @start))
SET @start = @end + 1
SET @end = CHARINDEX(@delimiter, @string, @start)
END
RETURN
END
--------------------------------------------------------------
SELECT ID from TableName as a CROSS APPLY dbo.fnSplitdata(a.Condition,'+',a.ID) as b
代码未编译..请根据需要进行更改 向我们展示您的代码,您试图在哪里解决itsum行???你想要的是2+3+4+2+3或者SumA,SumB。到目前为止没有机会帮助你。。。请将预期结果和计算方法张贴出来。我不知道要求和哪些值…我想得到行“SumA”,列valueA的值是根据条件“ID2+ID3+ID4”求和的。我有c#中的代码,但我想在SQLThank上这样做。谢谢!伟大的代码。Cảmơn rất nhiề美国。
update T1 set a.ValueA=(select sum(ValueA) from TableName join #tmp on TableName.ID=#tmp.splitdata and T1.ID=#tmp.id) from TableName T1 where IsCOndition=1 and Note='SumA'
update T1 set a.ValueA=(select sum(ValueB) from TableName join #tmp on TableName.ID=#tmp.splitdata and T1.ID=#tmp.id) from TableName T1 where IsCOndition=1 and Note='SumB'