Help with SQL function
I am trying to create a function that returns a set of rows while also joining to another table. SQL doesn't seem to like that I'm returning a setof groups. I am pretty new to SQL, so I'm not sure exactly what I am supposed to be returning here. Any help would be appreciated. 
The arguments taken in the function will be used later once I get this figured out, I just took out the WHERE clause to troubleshoot.
The arguments taken in the function will be used later once I get this figured out, I just took out the WHERE clause to troubleshoot.
