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
{
				Object value = iterator.getValue( valueColumnNames[i] );
				value = convertToType( value, valueTypes[i] );
				if ( ( value == null && keyValues[i] != null )
						|| ( value != null && !value.equals( keyValues[i] ) ) )
				{
					return false;
				}
			}
			return true;
		}
	}
	
	private IResultIterator getResultSetOfCascadingGroup(
			CascadingParameterGroupHandle parameterGroup )
	{
		if ( parameterGroup == null )
			return null;
		
		
		
		DataSetHandle dataSet = parameterGroup.getDataSet( );
		if ( dataSet != null )
		{
			try
			{
				
				QueryDefinition queryDefn = createQueryDefinition( dataSet );
		
				Iterator iter = parameterGroup.getParameters( ).iterator( );