| 
        
        Parameter
         | 
      
        
        Type
         | 
      
        
        Description
         | 
     
| 
        
        INPUT
         | 
     ||
| 
        
        hIndex
         | 
      
        
        long
         | 
      
        
        The index handle as returned by the dam_getOptimalIndexAndConditions method.
         | 
     
| 
        
        RETURN
         | 
     ||
| 
        
        long
         | 
      
        
        The next column making up the index. Call dam_describeIndexCol to obtain information about this column. A 0 is returned at the end of the list.
         | 
     |