I have a one to many relationship and when I try to delete a parent that haves more than one child the berforeInsert event gets called on the frst child. I have some code in this event that I mean to
I have a function where I can add articles and users can comment on them. This is done with a one to many relationship like= \"commentId=>ArticleId\". However when I try开发者_如何学Go to add the c
To illustrate the problem, I make an example: A tag_bundle consists of one or more than one tags. A unique tag combination can map to a unique tag_bundle, vice versa.
I am experimenting with Hibernate to gain experience. I created a class Person with two subclasses: Student and Worker:
I have 2 classes Tema(Homework) and Disciplina (course), where a Course has a Set of homeworks. In Hibernate i have map开发者_如何学Pythonped this to a one-to-manyassociations like this:
After having changed around my mappings a bit ( see my other question about cascade-delete for reasons) , i tried inserting a completely new object and all its subclasses.
I currently have a user\'s table which contains a one-to-one relationship for Youtube OAuth tokens.However, I now want to support multiple video sites and want to break this into a one-to-many relat开
We are using Hibernate Annotations 3.4.0GA and Hibernate Core 3.3.2.GA (also known as the current stable versions) against an Oracle database
Updated: I wound up \"solving\" the problem by doing the opposite! I now have the entity reference field set as read-only (insertable=false updatable=false), and the foreign key field read-write. This
Anyone has good advise on how to implement one-to-many mapping for SQLite using ContentProvider? If you look at Uri ContentProvider#insert(Uri, ContentValues) you can see that it has ContentValues par