Bug 209450 [regression]Duplicate values display in Cascading parameter list[0705]
Descripption: Duplicate values display in Cascading parameter list Build number:2.3.0.v20071112 Steps to reproduce: 1. New sample data source and dataset from CUSTOMERS. 2. New a cascading parameter from COUNTRY, STATE AND CITY fields. 3. Preview. Expected result: Values in three parameter list aren't duplicated. Actual result: Duplicate values show in parameter list. Error log:n/a
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/api/impl/GetParameterDefinitionTask.java
{
					( (ParameterGroupDefn) pBase )
							.setReportDesign( (ReportDesignHandle) runnable
									.getDesignHandle( ) );
					Iterator iter2 = ( (ParameterGroupDefn) pBase )
							.getContents( ).iterator( );
					while ( iter2.hasNext( ) )
					{
						IParameterDefnBase p = (IParameterDefnBase) iter2
								.next( );
						if ( p instanceof ScalarParameterDefn )
						{
							( (ScalarParameterDefn) p )
									.setReportDesign( (ReportDesignHandle) runnable
											.getDesignHandle( ) );
							( (ScalarParameterDefn) p ).setLocale( locale );
							( (ScalarParameterDefn) p ).evaluateSelectionList( );
						}
					}
				}
			}
		}
		return parameterDefns;
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.birt.report.engine.api2.IGetParameterDefinitionTask#evaluateDefaults()
	 */
	public void evaluateDefaults( ) throws EngineException