Bug 144403 Jion include scripted dataset the result set is not list in the data explorer
Description; Jion include scripted dataset, the result set is not list in the data explorer Step to reproduce: Refer to the design file attached. Jioned with any scripted dataset will cause the problem. Actual result: Refer to the screenshot.
data/org.eclipse.birt.report.data.adapter/src/org/eclipse/birt/report/data/adapter/impl/DataSetMetaDataHelper.java
|| rsMeta == null || rsMeta.getColumnCount( ) == 0 )
			return true;
		List list = new ArrayList( );
		for ( Iterator iter = dataSetHandle.getCachedMetaDataHandle( )
				.getResultSet( )
				.iterator( ); iter.hasNext( ); )
		{
			list.add( iter.next( ) );
		}
		if ( list.size( ) != rsMeta.getColumnCount( ) )
			return true;
		for ( int i = 1; i <= rsMeta.getColumnCount( ); i++ )
		{
			ResultSetColumnHandle handle = (ResultSetColumnHandle) list.get( i - 1 );
			if ( !handle.getColumnName( ).equals( getColumnName( rsMeta, i ) )
					|| !handle.getDataType( )
							.equals( toModelDataType( rsMeta.getColumnType( i ) ) ) )
				return true;
		}
		return false;
	}
	
	/**
	 * 
	 * @param rsMeta
	 * @param index
	 * @return
	 * @throws BirtException
	 */
	private String getColumnName( IResultMetaData rsMeta, int index )