Bug 118592 Report error
please see attached design file.
data/org.eclipse.birt.data/src/org/eclipse/birt/data/engine/impl/ResultIterator.java
queryResults = null;
		started = false;
		logger.logp( Level.FINE,
				ResultIterator.class.getName( ),
				"close",
				"a ResultIterator is closed" );
	}
	
	/**
	 * Specifies the maximum number of rows that can be accessed from this
	 * result iterator. Default is no limit.
	 * 
	 * @param maxLimit
	 *            The new max row limit. This value must not be greater than the
	 *            max limit specified in the ReportQueryDefn. A value of 0 means
	 *            no limit.
	 * @throws DataException
	 *             if error occurs in Data Engine
	 */
	void setMaxRows( int maxLimit ) throws DataException
	{
	}
	/**
	 * Retrieves the maximum number of rows that can be accessed from this
	 * result iterator.
	 * 
	 * @return the current max row limit; a value of 0 means no limit.
	 */
	int getMaxRows( )
	{