Bug 210047 The grand total key should not appear in the new sort key editor
Build ID: I20071101-2000 Steps To Reproduce: 1.New a cube and add a x-tab to the layout 2.add data to the x-tab and show the grand total 3.open the property editor's sorting tab, click "Add" to add a new sort key. Expect: the grand total key should not appear in the key list
data/org.eclipse.birt.report.data.adapter/src/org/eclipse/birt/report/data/adapter/impl/CubeQueryUtil.java
return null;
	}
	
	/**
	 * 
	 * @param dimLevel
	 * @param queryDefn
	 * @return
	 */
	private int getAxisQualifierEdgeType( DimLevel dimLevel, ICubeQueryDefinition queryDefn )
	{
		IEdgeDefinition edge = queryDefn.getEdge( ICubeQueryDefinition.COLUMN_EDGE );
		if ( edge != null )
		{
			List dims = edge.getDimensions( );
			for ( int i = 0; i < dims.size( ); i++ )
			{
				IDimensionDefinition dim = (IDimensionDefinition) dims.get( i );
				if ( dim.getName( ).equals( dimLevel.getDimensionName( ) ) )
				{
					return ICubeQueryDefinition.ROW_EDGE;
				}
			}
		}
		
		edge = queryDefn.getEdge( ICubeQueryDefinition.ROW_EDGE );
		if ( edge != null )
		{
			List dims = edge.getDimensions( );
			for ( int i = 0; i < dims.size( ); i++ )