1

我在asp.net 2005和SQL Server 2008 R2中的類型化數據集中有這個SQL查詢。 即我在Typed Dataset中使用 - 「添加查詢」 - 「使用Sql語句」並使用下面的腳本,然後我返回了一個Datatable。 (「填充一個DataTable」複選框是選中「)導致分析器錯誤的類型化數據集中的SQL查詢

SELECT DISTINCT 
ISNULL(Projects.ProjectID,'0') as 
ProjectID,Messages.MessageID, Projects.ProjectName, Customers.CustomerName as 
CustomerName, Regions.RegionName, 
(select U.firstName + ' ' + U.LastName 
from Users U inner join Projects P on P.ProjectManagerId = U.UserID inner join 
Messages M on M.ProjectId = P.ProjectID 
where M.MessageID = Messages.MessageID) as ProjectManagerName, 
dbo.phases.TagName as Phase, 
(select U.firstName + ' ' + U.LastName 
from Users U inner join Messages M on M.CreatedBy = U.UserID Where M.MessageID = 
Messages.MessageID) as CreatedBy, 
Messages.DateCreated as EmailCreatedDate, 
Messages.MessageSubject as MessageSubject, 
Users.Email as [From], 
**(stuff((select ','+U.EMAIL 
FROM USERS U INNER JOIN Recipients R ON U.USERID = R.USERID INNER JOIN MESSAGES M 
ON R.MESSAGEID = M.MESSAGEID 
      WHERE m.MessageID=Messages.MessageID AND R.RecipientTypeID=1 
      for xml path(''), type).value('.', 'nvarchar(max)'), 1, 1, '')) as [TO],** 

    **(stuff((select ','+U.EMAIL 
      FROM USERS U INNER JOIN Recipients R ON U.USERID = R.USERID INNER JOIN  
MESSAGES M ON R.MESSAGEID = M.MESSAGEID 
      WHERE m.MessageID=Messages.MessageID AND R.RecipientTypeID=2 
      for xml path(''), type).value('.', 'nvarchar(max)'), 1, 1, '')) as CC** 


FROM  Messages INNER JOIN Users 
       ON Messages.Sender = Users.UserID 
       INNER JOIN Recipients 
       ON Messages.MessageID = Recipients.MessageID 
       LEFT OUTER JOIN dbo.Projects 
       ON dbo.Messages.ProjectID = dbo.Projects.ProjectID      
       Left OUTER JOIN dbo.Customers on dbo.Projects.CustomerId = 
dbo.Customers.CustomerID 
       Left outer join dbo.regions on dbo.Customers.RegionID = 
dbo.Regions.RegionID 
       left outer join dbo.Phases on messages.phaseid = dbo.phases.phaseid 

where (Messages.MessageTypeID=1) 
and Projects.ProjectID <> '0' 
order by Projects.ProjectName 

但在點擊下一個,它是導致這樣的錯誤:

錯誤在WHERE子句靠近‘(’
無法分析查詢文本。

但是如果我運行在SQL Server 2008 R2 Management Studio中的同上面的查詢,它運行良好並返回結果。

請提出我做錯了什麼。

感謝


嗨,我已經使用了一個出路this..ie使用該查詢(略作修改後)爲隱藏文件的.cs代碼聯查詢..但現在還有一個問題就是產生....即。 現在它花費太多的時間來返回結果..是因爲我在查詢中使用的函數?請提出一些解決方法這個..

SELECT DISTINCT 
    ISNULL(Projects.ProjectID,'0') as 
    ProjectID,Messages.MessageID, Projects.ProjectName, Customers.CustomerName as CustomerName, Regions.RegionName, 
    (select U.firstName + ' ' + U.LastName 
    from Users U inner join Projects P on P.ProjectManagerId = U.UserID inner join Messages M on M.ProjectId = P.ProjectID 
    where M.MessageID = Messages.MessageID) as ProjectManagerName, 
    dbo.phases.TagName as Phase, 
    (select U.firstName + ' ' + U.LastName 
    from Users U inner join Messages M on M.CreatedBy = U.UserID Where M.MessageID = Messages.MessageID) as CreatedBy, 
    Messages.DateCreated as EmailCreatedDate, 
    Messages.MessageSubject as MessageSubject, 
    Users.Email as [From], 

    (select [dbo].[fn_ForEmailReport](Messages.MessageID,1)) as [TO], 
    (select [dbo].[fn_ForEmailReport](Messages.MessageID,2)) as [CC] 

    FROM  Messages INNER JOIN Users 
         ON Messages.Sender = Users.UserID 
         INNER JOIN Recipients 
         ON Messages.MessageID = Recipients.MessageID 
         LEFT OUTER JOIN dbo.Projects 
         ON dbo.Messages.ProjectID = dbo.Projects.ProjectID      
         Left OUTER JOIN dbo.Customers on dbo.Projects.CustomerId = dbo.Customers.CustomerID 
         Left outer join dbo.regions on dbo.Customers.RegionID = dbo.Regions.RegionID 
         left outer join dbo.Phases on messages.phaseid = dbo.phases.phaseid 

    where (Messages.MessageTypeID=1) 
    and Projects.ProjectID <> '0' 
    order by Projects.ProjectName 


-- FUNCTION "fn_ForEmailReport" used in above query. 

ALTER FUNCTION [dbo].[fn_ForEmailReport] 
(
    @MessageID int, 
    @RecipientTypeID int 
) 
RETURNS NVARCHAR(MAX)   
AS 
BEGIN 
    DECLARE @List VARCHAR(8000) 
    set @List = (stuff((select ','+U.EMAIL 
    FROM USERS U inner JOIN Recipients R ON R.USERID = U.USERID inner JOIN 
      MESSAGES M ON R.MESSAGEID = M.MESSAGEID 
    WHERE [email protected] AND [email protected] 
    for xml path(''), type).value('.', 'nvarchar(max)'), 1, 1, '')) 

    RETURN @List; 

END

+0

有你嘗試沒有pamentalhesis?像Messages.MessageTypeID = 1 和Projects.ProjectID <>'0' – Kuzgun

+0

我編輯了原始查詢,所以請檢查並建議 – vicky

回答

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有太多的加入,我相信。例如,下面的查詢

(select U.firstName + ' ' + U.LastName 
from Users U inner join Projects P 
on P.ProjectManagerId = U.UserID 
inner join Messages M on M.ProjectId = P.ProjectID 
where M.MessageID = Messages.MessageID) as ProjectManagerName, 

只獲取名字和姓氏,一個單元格,它不需要是連接查詢。另外,你已經加入了最後的Projects表。你可以給一個別名外查詢,使內部查詢簡單:

SELECT DISTINCT 
    ISNULL(Projects.ProjectID,'0') as 
    ProjectID,Messages.MessageID, Projects.ProjectName, Customers.CustomerName as CustomerName, Regions.RegionName, 
    (select U.firstName + ' ' + U.LastName 
    from Users WHERE P.ProjectManagerId = UserID) as ProjectManagerName, 
    dbo.phases.TagName as Phase, 
    (select U.firstName + ' ' + U.LastName 
    from Users WHERE M.CreatedBy = UserID) as CreatedBy, 
    Messages.DateCreated as EmailCreatedDate, 
    Messages.MessageSubject as MessageSubject, 
    Users.Email as [From], 

    (select [dbo].[fn_ForEmailReport](Messages.MessageID,1)) as [TO], 
    (select [dbo].[fn_ForEmailReport](Messages.MessageID,2)) as [CC] 

    FROM  Messages M INNER JOIN Users 
         ON Messages.Sender = Users.UserID 
         INNER JOIN Recipients 
         ON Messages.MessageID = Recipients.MessageID 
         LEFT OUTER JOIN dbo.Projects P 
         ON dbo.Messages.ProjectID = dbo.Projects.ProjectID      
         Left OUTER JOIN dbo.Customers on dbo.Projects.CustomerId = dbo.Customers.CustomerID 
         Left outer join dbo.regions on dbo.Customers.RegionID = dbo.Regions.RegionID 
         left outer join dbo.Phases on messages.phaseid = dbo.phases.phaseid 

    where (Messages.MessageTypeID=1) 
    and Projects.ProjectID <> '0' 
    order by Projects.ProjectName 

最後,如果你不檢索客戶表中的任何信息,你可以省略下面一行:

Left OUTER JOIN dbo.Customers on dbo.Projects.CustomerId = dbo.Customers.CustomerID 
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@Kuzgun ...謝謝...我嘗試了你的建議.. – vicky

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