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
String propName = modelExtProp.getName( );
			assert ( propName != null && propName.length( ) > 0 );
			
			Object propValueObj = dataHandle.getProperty( modelExtProp
					.getName( ) );
			/*
			 * An ODA consumer does not distinguish whether a property value is
			 * not set or explicitly set to null. Its handling is pushed down to
			 * the underlying data provider.
			 */
			String propValue = ( propValueObj == null ) ? null : propValueObj
					.toString( );
			properties.put( propName, propValue );
		}
		return properties;
	}
	/**
	 * temp method to decide whether need property binding
	 * 
	 * @return
	 */
	private boolean needPropertyBinding( )
	{
		if ( this.context == null || this.jsScope == null )
			return false;
		else
			return true;
	}
}