private <D extends Number & Comparable<?>> NumberPath<D> var(Class<D> cl) {
        return Expressions.numberPath(cl, "var");
    }
//     * specs :
//     * http://opensource.atlassian.com/projects/hibernate/browse/HHH-1538
//
querydsl-jpa/src/test/java/com/querydsl/jpa/FeaturesTest.java