Bug 128166 the xml data can be displayed incorrectly
Description: the xml data can be displayed incorrectly Steps to reproduce: 1. import the attached report design file. 2. set a table mapping as '//Book' 3. add a column mapping '../@location' 4. save and preview. Actual result: the 'Sunderland' is displayed Expect result: the 'Paris' is displayed
data/org.eclipse.birt.report.data.oda.xml/src/org/eclipse/birt/report/data/oda/xml/util/RelationInformation.java
return ( (TableInfo) this.tableInfos.get( tableName ) ).getColumnNames( );
	}
	/**
	 * Return the array of complex nested column names of certain table.
	 *  
	 * @param tableName
	 * @return
	 */
	public String[] getTableComplexNestedXMLColumnNames( String tableName )
	{
		return  ( (TableInfo) this.tableInfos.get( tableName ) ).getComplexNestXMLColumnNames();
	}
	
	/**
	 * Return the array of simple nested column names of certain table.
	 *  
	 * @param tableName
	 * @return
	 */
	public String[] getTableSimpleNestedXMLColumnNames( String tableName )
	{
		return  ( (TableInfo) this.tableInfos.get( tableName ) ).getSimpleNestXMLColumnNames();
	}
	/**
	 * Return the table root path.
	 * 
	 * @param tableName
	 * @return
	 */
	public String getTableRootPath( String tableName )