Bug 118592 Report error
please see attached design file.
data/org.eclipse.birt.data/src/org/eclipse/birt/data/engine/impl/ResultIterator.java
* @throws DataException
	 */
	public void close( ) throws BirtException
	{
		
		try
		{
			this.getRdSaveUtil( ).doSaveFinish( );
		}
		catch ( DataException e )
		{
			throw new IllegalArgumentException( e.getMessage( ) );
		}
		try
		{
			if ( odiResult != null )
				odiResult.close( );
			if ( scope != null )
			{
				
				
				scope.delete( "row" );
				scope = null;
			}
		}
		catch ( Exception e )
		{
			
		}
		odiResult = null;