Hibernate: How to set NULL query-parameter value with HQL?

Question

How can I set a Hibernate Parameter to \"null\"? Example:

Query query = getSession().createQuery(\"from CountryDTO c where c.status = :status  and c.type =:t         


        

Answer 1

You can use

Restrictions.eqOrIsNull("status", status)

insted of

status == null ? Restrictions.isNull("status") : Restrictions.eq("status", status)