Sql server 如何使用带有IN关键字的表值参数
编辑: 我试图替换:Sql server 如何使用带有IN关键字的表值参数,sql-server,stored-procedures,table-valued-parameters,Sql Server,Stored Procedures,Table Valued Parameters,编辑: 我试图替换: @LocationIDs NVARCHAR(MAX) = null, 与 但现在我得到一个错误,说: 必须声明标量变量@LocationId -结束编辑- 我有一个需要处理的存储过程: CREATE PROCEDURE [dbo].[spAP_GetTechnician_Door_Unlock] @LocationIDs NVARCHAR(MAX) = NULL, @AlarmDateFrom DATETIME = NULL, @Al
@LocationIDs NVARCHAR(MAX) = null,
与
但现在我得到一个错误,说:
必须声明标量变量@LocationId
-结束编辑-
我有一个需要处理的存储过程:
CREATE PROCEDURE [dbo].[spAP_GetTechnician_Door_Unlock]
@LocationIDs NVARCHAR(MAX) = NULL,
@AlarmDateFrom DATETIME = NULL,
@AlarmDateTo DATETIME = NULL,
@TechnicianID INT = NULL,
@LocationId INT = NULL
AS
BEGIN
IF (@LocationIDs = 'x')
BEGIN
SELECT @LocationIDs = dbo.fn_GetAll_Location_Id()
END
DECLARE @query NVARCHAR(MAX);
SET @query = 'WITH CTE AS (SELECT ROW_NUMBER() OVER(ORDER BY al.Alarm_Log_ID desc)AS RowNumber,
isnull(t.Technician_ID,'''')[Technician_ID], (isnull(t.Last_Name,'''') +'' ''+ isnull(t.Name,'''')) TechnicianName,isnull(t.Emailid,'''') as EmailID,isnull(t.phone,'''') as Phone,dbo.fNAP_DateFormat(al.Alarm_date) as Alarm_date,
Al.Site_ID,s.Name as SiteName,al.point_Address,l.location_Name,l.Location_ID ,shs.StatusData
from z_EntityMast_Alarm_Log al
left join z_EntityMast_Technician t on al.Technician_ID=t.Technician_id
left join z_EntityMast_Site s on s.Site_ID=al.Site_ID
left join z_EntityMast_Location l on s.Location_ID=l.Location_id
left join z_EntityMast_Site_Hardware_Status shs on s.site_id=shs.siteid
left join z_SysVar_Alarm_Type_00004 at on al.Alarm_Type=at.ID
where at.Is_Linkable=1 and al.Alarm_Type !=70'
if(isnull(@LocationId,0)!=0)
set @query=@query+' and s.Location_ID ='+convert(varchar(12),@LocationId);
else
set @query=@query+' and s.Location_ID in ('+@LocationIDs+')';
if(isnull(@AlarmDateFrom,0)!=0 and @AlarmDateFrom !='')
set @query=@query+'and (DATEDIFF(DAY,'''+convert(varchar(30),@AlarmDateFrom)+''', al.Alarm_Date)>=0 and DATEDIFF(DAY,'''+convert(varchar(30),@AlarmDateTo)+''',al.Alarm_Date)<=0)';
if(isnull(@TechnicianID,0)!=0)
set @query=@query+'and t.Technician_ID ='+ convert(varchar(10),@TechnicianID);
set @query=@query + ')';
set @query=@query +'select * from CTE ';
-- PRINT @query
EXEC (@query)
END
我的问题是:如何替换这行代码并用表值参数替换它,从而使串联仍然有效
谢谢
在'+@LocationIDs+'中设置@query=@query+'和s.Location_ID;
我的问题是:如何替换这行代码
使用表值参数,使串联
还能用吗
假设您的LocationIdArray具有以下定义:
create type LocationIdArray as table (LocationId int);
那么您的IN应该如下所示:
and s.Location_ID in (select LocationId from @LocationIDs)
这在exec中不起作用,因为@LocationID在exec的外部作用域中,您可以在sp_executesql中将其作为参数传递,但最好将动态查询重写为静态查询,因为这里没有理由使用动态代码。从您认为有问题的行打印@query时,结果如何请参见编辑。我现在得到一个错误,必须声明标量变量@LocationIDs.oh我明白了。。查找带有参数的动态sql我反复阅读了该站点,但我不知道这在这种情况下会有什么帮助..当我粘贴SP并运行它并检查sql时,我注意到最后一个SELECT*FROM CTE前面没有空格。请再次检查您的输出。然后复制/粘贴并运行它。问题主要与将动态SQL组合在一起的方式中的错误有关。
create type LocationIdArray as table (LocationId int);
and s.Location_ID in (select LocationId from @LocationIDs)