hibernate jpa criteriabuilder ignore case queries

Question

How to do a like ignore case query using criteria builder. For description property I want to do something like upper(description) like \'%xyz%\'

I have the

Answer 1

There is a CriteriaBuilder.upper() method:

personCriteriaQuery.where(criteriaBuilder.like(
    criteriaBuilder.upper(personRoot.get(Person_.description)), 
    "%"+filter.getDescription().toUpperCase()+"%"));