Use 'Stuff' variable in WHERE clause - sql

Question

So here is the query code we are using:
SELECT
CONVERT(DATE, Nominations.Nomination_Date_Created) AS Nomination_Date_Created,
Nominations.Nomination_Status,
(CASE
WHEN MIN(EPORT.dbo.FDA_Divisions.division_name) = MAX(EPORT.dbo.FDA_Divisions.division_name)
THEN MIN(EPORT.dbo.FDA_Divisions.division_name)
ELSE 'Multiple Divisions'
END) AS Employee_Division,
Nominations.Nomination_Awarded_For,
Nominations.Nomination_Awarded_Other,
Nom.First_Name + ' ' + Nom.Last_Name AS Nominator_Name,
Nominations.Nomination_Group_UUID,
Nominations.Nomination_Group_Name,
Nominations.Nomination_Group_Time_off_Sum,
Nominations.Nomination_Group_Cash_Sum,
Nominations.Nomination_Type,
Nominations.Nomination_Identifier, Nominations.Nomination_Employee_UUID,
Nominations.Nomination_Nominator_ID, Nominations.Nomination_NOAC,
STUFF((SELECT ', ' + NOMGroup.division_name
FROM vw_group_nomination_divisions NOMGroup
WHERE NOMGroup.Nomination_Group_UUID = Nominations.Nomination_Group_UUID
FOR XML PATH('')), 1, 1, '') divList
FROM
Nominations
INNER JOIN
ePort.dbo.Employees AS Employees_1 ON Employees_1.CapHR_ID = Nominations.Nomination_Employee_CapHR_ID
LEFT OUTER JOIN
ePort.dbo.FDA_Offices ON Employees_1.office_id = ePort.dbo.FDA_Offices.office_id
LEFT OUTER JOIN
ePort.dbo.FDA_Centers ON Employees_1.center_ID = ePort.dbo.FDA_Centers.Center_ID
LEFT OUTER JOIN
ePort.dbo.FDA_Divisions ON Employees_1.division_id = ePort.dbo.FDA_Divisions.division_ID
LEFT OUTER JOIN
ePort.dbo.Employees AS Nom ON Nominations.Nomination_Nominator_ID = Nom.CapHR_ID
LEFT OUTER JOIN
ePort.dbo.Employees AS NomAppRTO ON Nominations.Nomination_Approving_Officer_NED_ID = NomAppRTO.CapHR_ID
GROUP BY
CONVERT(DATE, Nominations.Nomination_Date_Created),
Nominations.Nomination_Awarded_For, Nominations.Nomination_Status,
Nominations.Nomination_Awarded_Other,
Nom.First_Name + ' ' + Nom.Last_Name,
Nominations.Nomination_Type, Nominations.Nomination_Group_UUID,
Nominations.Nomination_Group_Name,
Nominations.Nomination_Group_Time_off_Sum,
Nominations.Nomination_Group_Cash_Sum,
Nominations.Nomination_Identifier, Nominations.Nomination_Type,
Nominations.Nomination_Employee_UUID,
Nominations.Nomination_Nominator_ID, Nominations.Nomination_NOAC
HAVING
(Nominations.Nomination_Type = 'Group')
AND (YEAR(CONVERT(DATE, Nominations.Nomination_Date_Created)) IN ('2020'))
ORDER BY
Nomination_Date_Created DESC, Nominations.Nomination_Group_UUID
Output:
| Id | divList |
+--------------------------------------+-------------------+
| 3462BF9B-5056-9C58-994BFFC6A38E7368 | DLR, DTD, OHCM |
| 3B8202C2-5056-9C58-99C591AA86B3A1C9 | OHCM |
| CB5A722C-5056-9C58-9983C1F6C66C0AD7 | DTD, STMD |
And the output is how we need it, however, we need to be able to search it and we cannot get that working. So how does one reference the column 'Name' that the Stuff function creates in the WHERE clause of the query?
We need to do a search within the HAVING OR WHERE clause for a value within the 'divList' column if possible. Such as divList IN ('OHCM').
Anytime I reference 'divList', I get the error:
Invalid column name 'divList'.
This would filter the results to records 1 and 2.
I hope that better explains it.

Answer 1

You don't want the string. Use more basic logic instead:
having sum(case when division_name = 'ccc' then 1 else 0 end) > 0

Answer 2

How is your temp table associated with the view. You need to join your temp table with the nominations view.
SELECT ID,
STUFF((SELECT ', ' + NOMGroup.division_name
FROM vw_group_nomination_divisions NOMGroup
WHERE NOMGroup.Nomination_Group_UUID = nom.Nomination_Group_UUID
FOR XML PATH('')), 1, 1, '') Name
FROM temp1
JOIN vw_group_nomination_divisions nom ON temp1.ID = nom.ID
WHERE Nominations.[Name] = 'ccc'
GROUP by ID