1. JPA define relationship on a field that requires type conversion stackoverflow.comI want to join two tables on column "vendor", In invoice table vendor type is integer, in vendor table, vendor is type varchar(10). Is it possible to do a type conversion and ... |
2. Saving the fields of a ternary relationship with hibernate? coderanch.com |
3. MAny to Many relationships using annotations with more field forum.hibernate.orgMy table structure is like this: USERS -> user_id , user_nm GROUP_MAP -> user_id, group_id , perm_id(this field is assign permission for user_id and grou_id combination) GROUPS -> group_id , group_nm The asscociation in my USERS.JAVA POJO is @ManyToMany(cascade = CascadeType.ALL) @ForeignKey(name = "FK_USER_ID", inverseName = "FK_GROUP_ID") @JoinTable(name = "GROUP_MAP", joinColumns = {@JoinColumn(name = "USER_ID")}, inverseJoinColumns = {@JoinColumn(name = "GROUP_ID")}) public ... |
4. Saving relationship fields automatically forum.hibernate.orgHi, I'm evaluating hibernate and I have a question about relationships. In my tests I have an object (A) that has a 1 to many relationship with object B. When I save the object A I have to do a loop through the collection that has the relationship and save all objects B. Then I save object A. Is there a ... |
5. Relationship field in database contains 0 instead of NULL forum.hibernate.orgNeed help with Hibernate? Read this first: http://www.hibernate.org/ForumMailingli ... AskForHelp Hibernate version: 3.1.1 Hibernate Annotations: 3.1beta8 I'm working with a legacy database that for some stupid reason sometimes uses zeroes in fields that link records to parents in the same table, where 0 actually means null (i.e. the record has no parent - there is no record with an id of ... |
6. How to save the fields of a ternary relationship? forum.hibernate.org |