public static <D extends Comparable> DateTimeExpression<D> addHours(DateTimeExpression<D> date, int hours) {
        return Expressions.dateTimeOperation(date.getType(), Ops.DateTimeOps.ADD_HOURS, date, ConstantImpl.create(hours));
    }
Add the given amount of hours to the date

@param date datetime
@param hours hours to add
@return converted datetime
querydsl-sql/src/main/java/com/querydsl/sql/SQLExpressions.java