Question

Below is my query which is updating a record in the User table , I want the query to return the UserId which was updated, How can I do this?

         UPDATE USER
            SET GroupID = @New_GroupID
           FROM USER 
LEFT OUTER JOIN DOCUMENTS ON User.UserID = Documents.UserID
          WHERE (Documents.UNC = @UNC) 
            AND (User.GroupID = @Old_GroupID)

Answer 1

[Scratch previous answer – I read INSERT rather than UPDATE]

Is your query always going to update a single row only?

Declare @ID int

SELECT @ID=User.UserID
FROM User 
LEFT OUTER JOIN Documents ON User.UserID = Documents.UserID
WHERE     (Documents.UNC = @UNC) AND (User.GroupID = @Old_GroupID)

UPDATE User
Set GroupID = @New_GroupID
Where UserID = @ID

If @@RowCount = 1
 Return @ID
Else
 Return -1  /* problem - multiple rows updated */