Bug 122854 There is redundant columns in "available columns" list in "export data" dialog.
Description: There is redundant columns in "available columns" list in "export data" dialog. Steps to reproduce: 1. Preview attached design in web viewer. 2. Select the table and click on "export" button. 3. There is a "detail" column name in "available columns" list which is not data set column.
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/ir/Report.java
return allParameters;
	}
	public HashMap getConfigs( )
	{
		HashMap configs = new HashMap( );
		Iterator iter = reportDesign.configVariablesIterator( );
		if ( iter != null )
		{
			while ( iter.hasNext( ) )
			{
				ConfigVariableHandle handle = (ConfigVariableHandle) iter
						.next( );
				String name = handle.getName( );
				String value = handle.getValue( );
				configs.put( name, value );
			}
		}
		return configs;
	}
	/**
	 * Gets the directory where design file resides.
	 * 
	 * @return path
	 */
	public String getBasePath( )
	{
		return basePath;
	}
	/**
	 * @param basePath