Bug 145478 Unable "Select Value" in the Join data set's filter
Step to reproduce: 1.new a join data set(please use the attached file) 2.right click the dataset and click the Edit 3.go to the Filter pane and set a filer 4.click the list of Value1 Actual result: A warning pop up and cant select Value.
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/data/ui/util/DataSetProvider.java
&& !rsColumnHandle.getColumnName( )
								.equals( column.getDataSetColumnName( ) ) )
				{
					rsColumnHandle.setColumnName( column.getDataSetColumnName( ) );
				}
				found = true;
				break;
			}
		}
		if ( found == false )
		{
			addResultSetColumn( resultSetColumns, column );
		}
	}
	/**
	 * @param resultSetColumnHandle
	 * @param column
	 */
	private void addResultSetColumn( PropertyHandle resultSetColumnHandle,
			DataSetViewData column )
	{
		ResultSetColumn rsColumn = new ResultSetColumn( );
		rsColumn.setColumnName( column.getDataSetColumnName( ) );
		rsColumn.setPosition( new Integer( column.getPosition( ) ) );
		try
		{
			resultSetColumnHandle.addItem( rsColumn );
		}
		catch ( SemanticException e )
		{