„3. Perzisztencia (2012)” változatai közötti eltérés
a →Öröklés |
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| 250. sor: | 250. sor: | ||
<pre> | <pre> | ||
@Entity | @Entity | ||
@NamedQuery(name = " | @NamedQuery(name = "carByPlate", query = "SELECT c FROM Car c WHERE c.plate = :rsz") | ||
Car c = (Car) em.createNamedQuery(" | Car c = (Car) em.createNamedQuery("carByPlate").setParameter("rsz", plate).getSingleResult(); | ||
</pre> | </pre> | ||