Bug 179938 [Automation][Regression] Exception is thrown out when preview the data set with parameter [0705]
Description: Exception is thrown out when preview the data set with parameter. Build number: 2.2.0.v20070329-1055 Steps to reproduce: 1. New a data source and a data set with a parameter and binding the parameter to a report parameter. 2. Preview Results. Expected result: No exception is thrown out. Actual result: Exception is thrown out. Error log: A BIRT exception occurred. Plug-in Provider:Eclipse.org Plug-in Name:BIRT Data Engine Plug-in ID:org.eclipse.birt.data Version:2.2.0.v20070329-1055 Error Code:odaconsumer.CannotExecuteStatement Error Message:Cannot execute the statement. SQL statement does not return a ResultSet object. SQL error #1: At least one parameter to the current statement is uninitialized.
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/adapter/ModelDteApiAdapter.java
* 
	 * @param modelDataSet
	 * @param dteDataSet
	 * @return
	 */
	private Iterator populateParameter( DataSetHandle modelDataSet, BaseDataSetDesign dteDataSet )
	{
		
		HashMap paramBindingCandidates = new HashMap( );
		Iterator elmtIter = modelDataSet.parametersIterator( );
		if ( elmtIter != null )
		{
			while ( elmtIter.hasNext( ) )
			{
				DataSetParameterHandle modelParam = ( DataSetParameterHandle ) elmtIter
						.next( );
				if ( modelParam.getDefaultValue( ) == null )
					continue;
				dteDataSet.addParameter( newParam( modelParam ) );
				
				
				
				if ( modelParam.isInput( ) )
				{
					String defaultValueExpr = null;
					if ( modelParam instanceof OdaDataSetParameterHandle
							&& ( (OdaDataSetParameterHandle) modelParam ).getParamName( ) != null )
					{
						defaultValueExpr = ExpressionUtil.createJSParameterExpression( ( (OdaDataSetParameterHandle) modelParam ).getParamName( ) );
					}