Question : How to make IN operator to accept CSV which are varchar in SQL Server 2008

I have the following tables

tbl_Countries
==========
CountryID Name
---------------------
1 USA
2 Australia
3 Canada

tbl_Users
=========
UserName AllowedContries
--------------------------
A 1,3
B 1
C 2,3

I am trying to get the output like

A USA,Canada
B USA
C Australia, Canada

I want to achive this using sql query not Function or procedure.

I am using the following query

select *,
(SELECT STUFF((SELECT ',' + Name FROM tbl_Countries where tbl_Countries.CountryId in (tbl_Users.AllowedCOuntries) FOR XML PATH('')),1,1,'')) AS CSV
from tbl_Users

Getting the following error

Conversion failed when converting the varchar value '209,122' to data type int.

Answer : How to make IN operator to accept CSV which are varchar in SQL Server 2008

please try this:

                       
             select *,
(SELECT STUFF((SELECT ',' + Name FROM tbl_Countries 
   where ',' + tbl_Users.AllowedCOuntries + ',' Like '%,' + cast(tbl_Countries.CountryId as varchar(20)) + ',%'  
  FOR XML PATH('')),1,1,'')) AS CSV
from tbl_Users

Question : How to make IN operator to accept CSV which are varchar in SQL Server 2008

Answer : How to make IN operator to accept CSV which are varchar in SQL Server 2008

please try this: 1: 2: 3: 4: 5: 6: select *, (SELECT STUFF((SELECT ',' + Name FROM tbl_Countries where ',' + tbl_Users.AllowedCOuntries + ',' Like '%,' + cast(tbl_Countries.CountryId as varchar(20)) + ',%' FOR XML PATH('')),1,1,'')) AS CSV from tbl_Users

please try this:

1: 2: 3: 4: 5: 6:

select *, (SELECT STUFF((SELECT ',' + Name FROM tbl_Countries where ',' + tbl_Users.AllowedCOuntries + ',' Like '%,' + cast(tbl_Countries.CountryId as varchar(20)) + ',%' FOR XML PATH('')),1,1,'')) AS CSV from tbl_Users