| 
        
        Parameter
         | 
      
        
        Type
         | 
      
        
        Description
         | 
     
| 
        
        IN
         | 
      ||
| 
        
        hColList
         | 
      
        
        DAM_HCOL_LIST
         | 
      
        
        Column list handle.
         | 
     
| 
        
        RETURN
         | 
      ||
| 
        
        DAM_HCOL
         | 
      
        
        The handle to the next column.
        
       
        To get GROUP BY column details, use damex_describeCaseValExp.
        
       
        To get ORDER BY column details, use damex_describeCol.
        
       
        A NULL is returned at the end of the list.
         |