dbExpr.setGroupName( binding.getAggregrateOn( ) );
		protected void addColumBinding( IBaseQueryDefinition transfer,				ComputedColumnHandle binding )		{			String name = binding.getName( );			String expr = binding.getExpression( );			String type = binding.getDataType( );			int dbType = ModelDteApiAdapter.toDteDataType( type );			IBaseExpression dbExpr = new ScriptExpression( expr, dbType );			transfer.getResultSetExpressions( ).put( name, dbExpr );		}