表 BD_Employe
| ID | name |
| 1 | A1 |
| 2 |
A2 |
| 3 |
A3 |
表 bd_mfc
| ID | NAme | DLManage_C | isdl |
| 1 | mfc1 | 1,2,3 | 1 |
| 2 | mfc2 | 0 | |
| 3 | mfc3 | 2,3 | 1 |
create function f_split(@c varchar(2000),@split varchar(2))
returns @t table(col varchar(20))
as
begin
while(charindex(@split,@c)<>0)
begin
insert @t(col) values (substring(@c,1,charindex(@split,@c)-1))
set @c = stuff(@c,1,charindex(@split,@c),'')
end
insert @t(col) values (@c)
return
end
go
DECLARE @str VARCHAR(200)=''
SET @str=(SELECT TOP 1 DLManage_C FROM bd_mfc WHERE isdl=1 and id =1)
SELECT * FROM BD_Employee WHERE rtrim(id) IN(
select * from dbo.f_split(@str,',')
)
drop function f_split