休眠和“最大价值获胜”逻辑

player_id
highest_score

update high_scores
set highest_score = :new_high_score
where player_id = :player_id
and highest_score <= :new_high_score

Session session = sessionFactory.openSession();
Transaction tx = session.beginTransaction();

String hqlUpdate = \"update Customer c set c.name = :newName where c.name = :oldName\";
// or String hqlUpdate = \"update Customer set name = :newName where name = :oldName\";
int updatedEntities = s.createQuery( hqlUpdate )
        .setString( \"newName\", newName )
        .setString( \"oldName\", oldName )
        .executeUpdate();
tx.commit();
session.close();