public static <A extends Number & Comparable<?>> NumberExpression<Double> log(Expression<A> num, int base) {
        return Expressions.numberOperation(Double.class, Ops.MathOps.LOG, num, ConstantImpl.create(base));
    }
Create a {@code log(num, base)} expression

@param num numeric expression
@param base base
@return log(num, base)
querydsl-core/src/main/java/com/querydsl/core/types/dsl/MathExpressions.java