Selecting where an entity contains a list thats a subset of another list

Question

I am writing a JPQL query and i have the following scenario. I have a Question entity which contains a list of Tags. I would like to select all Questions that contains a gi

Answer 1

Try like this:

select distinct q from Question q join q.tags as t 
where t.name in (:tags) 
group by q.id, q.author, q.title, q.content,q.postedAt 
having count(t.id) = :size