| 
        
        Parameter
         | 
      
        
        Type
         | 
      
        
        Description
         | 
     
| 
        
        IN
         | 
      ||
| 
        
        hstmt
         | 
      
        
        DAM_HSTMT
         | 
      
        
        The statement handle.
         | 
     
| 
        
        iGroupByColNum
         | 
      
        
        int
         | 
      
        
        The GROUP BY column number about which to return information.
        
       
        Valid numbers are 0 - (the value returned from dam_getInfo (DAM_INFO_GROUP_BY_OPTIMIZABLE) -1).
         | 
     
| 
        
        OUT
         | 
      ||
| 
        
        piColNum
         | 
      
        
        int *
         | 
      
        
        The column number as defined in the schema database
         | 
     
| 
        
        pColName
         | 
      
        
        char *OAWCHAR *
         | 
      
        
        The column name as defined in the schema database. Pass in a buffer of 128 characters.
         | 
     
| 
        
        RETURN
         | 
      ||
| 
        
        int
         | 
      
        
        Status of the call:
        
       
        DAM_SUCCESS - on success
        
       
        DAM_FAILURE - wrong value for iGroupByColNum
         |