public String renderProjection(RenderingContext renderingContext) {
		// some drivers/servers do not like parameters in the select clause
		final ValueHandlerFactory.ValueHandler handler =
				ValueHandlerFactory.determineAppropriateHandler( literal.getClass() );
		if ( ValueHandlerFactory.isCharacter( literal ) ) {
			return '\'' + handler.render( literal ) + '\'';
		}
		else {
			return handler.render( literal );
		}
	}