Let\'s say we have an entity @Entity public 开发者_开发知识库class Person { @Id int id; @Basic String name;
Is there a possiblity in JPA 2.0 to set a collection for in-clause in jpql-query? (I\'m using EclipseLink)
Has: class Container { @Id @Column(name=\"id\") protected long id; @OneToMany @JoinColumn(name=\"container_id\", nullable=false)
I have the following entities: @Entity @Inheritance(开发者_运维技巧strategy=InheritanceType.SINGLE_TABLE)
This seems like it should be a pretty simple question, or at least have a simple answer. But -I\'m really not a database guy, and I\'m still pretty far down on the Hibernate learning curve. That said,
Imagine a table emp: CREATE TABLE emp ( idNUMBER , nameVARCHAR , dept_codeVARCHAR ) and a table dept: CREATE TABLE dept
I am trying to execute a pretty-sophisticated query on a string field in the database. I am not very experienced at JPQL, so I thought I would try to get some help.
How can I write a JPA query using MONTH function just like sql query? @NamedQuery(name=\"querybymonth\", query=\"select t from table1 t where MONTH(c_Date) = 5\")
I have two entities User and Group: @Entity public class User implements Serializable { private static final long serialVersionUID = 1L;
Can JPQL execute LIKE expressions against enums? If I have an entity Foo with an enum field bar I can execute the following in MySQL(bar is stored as a MySQL enum)...