Case-insensitive search using Hibernate

Question

I\'m using Hibernate for ORM of my Java app to an Oracle database (not that the database vendor matters, we may switch to another database one day), and I want to retrieve objec

Answer 1

Since Hibernate 5.2 session.createCriteria is deprecated. Below is solution using JPA 2 CriteriaBuilder. It uses like and upper:

    CriteriaBuilder builder = session.getCriteriaBuilder();
    CriteriaQuery criteria = builder.createQuery(Person.class);
    Root root = criteria.from(Person.class);

    Expression upper = builder.upper(root.get("town"));
    criteria.where(builder.like(upper, "%FRAN%"));

    session.createQuery(criteria.select(root)).getResultList();