Sql 使用ID时转换失败";其中,(…)中的ID“;,nvarchar到int
我在MSSQL 2008中有一个查询,如:Sql 使用ID时转换失败";其中,(…)中的ID“;,nvarchar到int,sql,sql-server,sql-server-2008,Sql,Sql Server,Sql Server 2008,我在MSSQL 2008中有一个查询,如: IF OBJECT_Id('tempdb..#AccessibleFacilities') IS NOT NULL DROP TABLE #AccessibleFacilities SELECT u.Userid , AccesibleFacilityIds = dbo.GetCommaDelimitedString(upf.Facility_Id) INTO #AccessibleFacilities FROM Users u I
IF OBJECT_Id('tempdb..#AccessibleFacilities') IS NOT NULL DROP TABLE #AccessibleFacilities
SELECT u.Userid
, AccesibleFacilityIds = dbo.GetCommaDelimitedString(upf.Facility_Id)
INTO #AccessibleFacilities
FROM Users u
INNER join UserProfileFacilities upf on upf.UserProfile_Id = up.Id
WHERE LOWER(u.Userid) = LOWER(@userId)
GROUP BY u.Userid
此查询返回可访问的FacilityId,如“,1,2,3,4,5,6,”
。请注意,我无法修改GetCommaDelimitedString函数
我实际上需要做的是,使用这些设施ID访问PROV,如下所示:
INSERT INTO #AccessibleProvs
SELECT Userid = @userId
, AccessibleProvIds = dbo.GetCommaDelimitedString(distinct p.Id)
FROM Provs p
inner join ProvFacs pf on p.Id = pf.Provider_Id
WHERE pf.Facility_Id in
(select a.AccesibleFacilityIds from #AccessibleFacilities a)
但是,它给了我一个错误,如:
转换nvarchar值“1,2,3,4,5,6”时转换失败
到数据类型int
我尝试删除开头和结尾的逗号符号,如下图所示,以修复该问题,但没有任何帮助:
...
where pf.Facility_Id in (
select SUBSTRING(a.AccesibleFacilityIds,2,LEN(a.AccesibleFacilityIds)-2)
from #AccessibleFacilities a
)
如有任何建议,将不胜感激。谢谢。与其将
Facility\u Id
转换为逗号分隔的字符串,为什么不将其保留为临时表中的可用列
if object_Id('tempdb..#AccessibleFacilities') is not null drop table #AccessibleFacilities;
select
u.UserId
, upf.Facility_Id
into #AccessibleFacilities
from Users u
inner join UserProfileFacilities upf
on upf.UserProfile_Id = up.Id
然后使用它,就像使用()中的或存在()
一样:
如果您在开始时有@UserId
的值,则可以将临时表的使用限制为只使用您需要的用户。希望这段代码不是为了在某种游标或其他循环中使用 请出示样品数据。在查询中使用CSV字符串通常会有一种不好的味道。由于您不能修改逗号字符串函数,您能创建一个新的吗?这比解析和替换操作要好得多。列中的CSV通常是设计不佳的标志。
insert into #AccessibleProvs
select
UserId = @userId
, AccessibleProvIds = dbo.GetCommaDelimitedString(distinct p.Id)
from Provs p
inner join ProvFacs pf
on p.Id = pf.Provider_Id
where exists (
select 1
from #AccessibleFacilities a
where a.Facility_Id = pf.Facility_Id
--and a.UserId = @UserId -- Do you need to check Facility_Id by User?
)