Bug 206719 [Regression] Not all of the data exported can be shown [07]
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/service/ReportEngineService.java
assert document != null;
		ResultSet[] resultSetArray = null;
		IDataExtractionTask dataTask = engine
				.createDataExtractionTask( document );
		try
		{
			List resultSets = dataTask.getResultSetList( );
			resultSetArray = new ResultSet[resultSets.size( )];
			if ( resultSets.size( ) > 0 )
			{
				for ( int k = 0; k < resultSets.size( ); k++ )
				{
					resultSetArray[k] = new ResultSet( );
					IResultSetItem resultSetItem = (IResultSetItem) resultSets
							.get( k );
					assert resultSetItem != null;
					resultSetArray[k].setQueryName( resultSetItem
							.getResultSetName( ) );
					IResultMetaData metaData = resultSetItem
							.getResultMetaData( );
					assert metaData != null;
					Column[] columnArray = new Column[metaData.getColumnCount( )];
					for ( int i = 0; i < metaData.getColumnCount( ); i++ )
					{
						columnArray[i] = new Column( );
						String name = metaData.getColumnName( i );
						columnArray[i].setName( name );
						String label = metaData.getColumnLabel( i );
						if ( label == null || label.length( ) <= 0 )
						{