Bug 188038 Need know which measure ComputedColumnHandle aggregate on.
GUI need to show the measure name ont the data item in the aggregation cell.
data/org.eclipse.birt.data/src/org/eclipse/birt/data/engine/olap/util/OlapExpressionCompiler.java
* 
	 * @param n
	 * @param objectName
	 * @return
	 */
	private static String getScriptObjectName( Node n , String objectName )
	{
		if ( n == null )
			return null;
		String result = null;
		if ( n.getType( ) == Token.NAME )
		{
			if( objectName.equals( n.getString( ) ))
			{
				Node dimNameNode = n.getNext( );
				if ( dimNameNode == null || dimNameNode.getType( )!= Token.STRING )
					return null;
				
				return dimNameNode.getString( );
			}
		}
	
		result = getScriptObjectName( n.getFirstChild( ), objectName );
		if ( result == null )
			result = getScriptObjectName( n.getLastChild( ), objectName );
				
		return result;
	}
}