Bug 172618 [smoke]Cascading parameter cannot retrieve correct values.[0705]
Description: Cascading parameter cannot retrieve correct values. Build number:2.1.2.v20070202. 2.2.0.v20070131 Steps to reproduce: 1. New sample data source and dataset from OFFICES. 2. New a cascading group, first parameter from COUNTRY, second from STATE 3. Preview. Expected result: Select a country value, then corresponding state value will display. e.g. select France, then only paris in second list. Actual result: Select France, you will see paris, NYC and San Francisco in second list. Error log:N/A
data/org.eclipse.birt.data/src/org/eclipse/birt/data/engine/impl/ResultIterator.java
* @throws DataException
		 */
		void doSaveExpr( Map valueMap ) throws DataException
		{
			doSave( valueMap, false );
		}
		/**
		 * @throws DataException
		 */
		void doSaveFinish( ) throws DataException
		{
			doSave( null, true );
		}
		/**
		 * @throws DataException
		 */
		void doSaveStart( ) throws DataException
		{
			if ( needsSaveToDoc( ) == false )
				return;
			this.getRdSave( ).saveStart( );
		}
		
		/**
		 * @throws DataException
		 * 
		 */
		private void doSave( Map valueMap, boolean finish )
				throws DataException
		{