I m wondering if I can use method call instead of pub.revenue i.e pub.getRevenue(). Is this possible? Because the revenue variable may be declared private and cannot be accessed directly.
具有私人知名度的
总的来说,你无法从联合调查组的询问中找到方法。 理由是,JPQL的查询将数据转换到QL的查询中,没有任何概念从JavakQ的电线上调用方法。
Is it possible to access the SQL which is generated by JPQL? I would like to use the SQL to later create a view for my purposes. I am using Hibernate if it matters.
I like the idea of Named Queries in JPA for static queries I m going to do, but I often want to get the count result for the query as well as a result list from some subset of the query. I d rather ...
I have followed a working JPA example to retrieve Category objects as such: return (ArrayList<Category>) getEntityManager().createQuery("from Category").getResultList(); The query is very ...
I have an entity class called "Group" and NetBeans warns me "The entity table name is a reserved Java Persistence QL keyword". A similar case would be the use of reserved SQL keywords. Will this ...
Does running an EJBQL UPDATE statement defeat the performance benefits of container managed persistance when compared to modifing the accessors on a managed entity? I m interested in this ...
I try to use an inner select, but get only the exception "HibernateException: Errors in named queries" The both JPA entities: public class A implements Serializable { @Id @Column(nullable = ...
Is it possible to use JPQL for getting random rows? For example in SQL Server I would use: select * from myTable where columnName = 4 order by newid() Thanks, Rod
I m new to EJB and trying to get my head around translating SQL concepts to EJB entity beans. Suppose I have two tables: PEOPLE (id, name), CONTACT(pid, phone_number). If I want to get a list of ...
