Bug 205397 sql parameter binding error
data/org.eclipse.birt.data/src/org/eclipse/birt/data/engine/impl/ParameterUtil.java
* @param dsRT
	 * @param queryDefn
	 * @param scope
	 */
	ParameterUtil( IQueryService outerResults, DataSetRuntime dsRT,
			IQueryDefinition queryDefn, Scriptable scope )
	{
		Object[] params = {
				outerResults, dsRT, queryDefn, scope
		};
		logger.entering( ParameterUtil.class.getName( ),
				"ParameterUtil", 
				params );
		this.outerResults = outerResults;
		this.dsRT = dsRT;
		this.queryDefn = queryDefn;
		this.scope = scope;
		logger.exiting( ParameterUtil.class.getName( ), "ParameterUtil" ); 
	}
	
	/**
	 * Resolve parameter bindings and return a Collection of ParameterHints, which merged information obtained
	 * from query parameter binding and the data set parameter definition
	 * 
	 */
	Collection resolveDataSetParameters( boolean evaluateValue )
			throws DataException
	{
		List paramDefns = this.dsRT.getParameters( );
		int nParams = paramDefns == null ? 0 : paramDefns.size( );