private IResultIterator execSubQuery( String name, Scriptable scope, Scriptable parentScope ) throws BirtException
private IResultIterator execSubQuery( String parentQueryResultID, String name, Scriptable scope, Scriptable parentScope ) throws BirtException
	private IResultIterator execSubQuery( String name, Scriptable scope,			Scriptable parentScope ) throws BirtException	{		Object ob = subQueryMap.get( name );		if ( ob == null )			return null;				PreparedDummyQuery preparedQuery = new PreparedDummyQuery( context,				(ISubqueryDefinition) ob,				scope );		return preparedQuery.executeQuery( scope, parentScope )				.getResultIterator( );	}