{   Object obj = dataSetHandle.getElement( ).getLocalProperty( dataSetHandle.getModule( ) , OdaDataSetHandle.RESULT_SET_PROP ); if ( obj != null ) dataSetHandle.getPropertyHandle( OdaDataSetHandle.RESULT_SET_PROP ) .setValue( new ArrayList( ) ); }
dataSetHandle.getPropertyHandle( OdaDataSetHandle.RESULT_SET_PROP ) .clearValue( );
	public static void updateColumnCacheAfterCleanRs(			DataSetHandle dataSetHandle ) throws SemanticException	{		if ( dataSetHandle instanceof OdaDataSetHandle )		{			// set resultset property with empty list to make datasetHandle			// extended from library could do query execution again.			Object obj = dataSetHandle.getElement( ).getLocalProperty( dataSetHandle.getModule( ) , OdaDataSetHandle.RESULT_SET_PROP );			if ( obj != null )				dataSetHandle.getPropertyHandle( OdaDataSetHandle.RESULT_SET_PROP )						.setValue( new ArrayList( ) );		}		updateColumnCache( dataSetHandle );	}