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Re: [eclipselink-users] Wrong One-To-Many Mapping
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The Javadoc for OneToMany might help you:
http://java.sun.com/javaee/5/docs/api/javax/persistence/OneToMany.html
You probably want to specify @JoinColumn(name="BOOK_ID")
Gili
PLC_David wrote:
>
> Hi,
>
> I tested the jpa with the eclipseLink provider.
> But I have many problems with the annotations.
>
> My DTOs:
>
> @Entity
> @Table(name=PLC.BOOKS)
> public BookDTO {
>
> int id;
> ...
> @OneToMany
> List<ChapterDTO> chapterList;
> }
>
> @Entity
> @Table(name=PLC.CHAPTERS)
> ChapterDTO {
> int id;
> @Embedded
> AutorDTO autor;
> ...
> }
>
> @Embeddable
> AutorDTO {
>
> String ...
> ...
> }
>
>
> I have a one-to-many relationship. There is a column BOOK_ID in the table
> CHAPTERS which realize this relationship.
>
> But JPA generates the wrong select. It takes a column which not exists.
> select ..... from ... where t0.id = .. and t1.id = t0.chapterList_ID
>
> Can anybody tell me what I need at this relationship?
>
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