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1. JPA foreign key column name    stackoverflow.com

@Entity
public class User {
    private String mail;
    private String password;

    @OneToMany(mappedBy="user")
    private List<UserGroup> userGroups;
}

@Embeddable
public class UserGroupPK {
   ...

2. Hibernate different name of foreign key column    stackoverflow.com

I got in DB tables: a) rb_user: id_user, username, ... b) rb_user_password: id, user_id, password. How to annotate this in my java classes? I got: 

@Entity
@Table(name="rb_users")
@SecondaryTable(name="rb_user_password")
public class User {

    @Id
    @Column(name="id_user")
 ...

3. Foreign key does not have all the columns in Primary key    forum.hibernate.org

Table A -------- Primary key in DB and mapping file is composite-id of LossNumber,LossDate,Currency columns. Table B -------- There is no primary key in DB. Mapping file has RunNumber as primary key. This table also has LossNumber,LossDate columns, but it does not have Currency columns. The relationship from A to B is based on the first 2 columns in primary ID ...

4. Same column as foreign key of multiple table    forum.hibernate.org

hi, Might be an old topic, but could not find a solution for the same. Have one column which is a foreign key of two table of which one is self referenced. It works fine when I remove not-null="true" & update = "false" with the downside that it first inserts & then update which is how it should work. But the ...

5. Multiple Foreign Keys using one column    forum.hibernate.org

Question: Does Hibernate support the following table relationships? Table A, columns a,b,c,d,e PK col a, col b 1. FK col a,c -> B.a,B.b Foriegn key to table B 2. FK col b -> C.a Foriegn key to table C 3. FK col a,d -> D.a,D.b Foriegn key to table D note: same column is beening used in all tree Foreign keys. ...

6. Hibernate creates a column based on the foreign key    forum.hibernate.org

Suppose there are two tables: DEPT table DEPTNO (pk) DNAME LOC EMP table EMPNO (pk) ENAME JOB MGR HIREDATE SAL COMM DEPTID (fk references dept.deptno) then here are my bidirectional mappings Emp.hbm.xml

7. Disabling foreign keys for columns with multiple meanings    forum.hibernate.org

Hibernate version: Hibernate3 I am trying to map a legacy database that uses the same column for multiple meanings. Specifically, the 'link_id' can refer to either one of three different tables, based on a discriminator value. Now, the obvious way of modelling this is polymorphism.... the problem is that when I do that, hibernate creates foreign key associations to all three ...

8. Foreign key with more than one column    forum.hibernate.org

Hibernate version:2.1.8 How can I map a foregin key constraint with multiple columns? I have a table report_field with a primary key of two columns (report_def_id and column_id) which itself are foreign keys. Than I have a table function with a primary key of two columns (function, report_def_id and column_id). So the primary_key of one table is contained in the primary ...

9. foreign key column    forum.hibernate.org

============================= If User.id = 4, then the resulting User Object has a collection of items object where each item object's ITEMID is equal to 4 as well. What if the user object need to retrieve a collection of item objects where each ...





10. many-to-many and common foreign keys column    forum.hibernate.org

I'm declaring a set with fot many-to-may association with: As you can see, CODSECAO is a common column to tables Processo, AssuntoProcesso and ProcessoAssuntoProcesso. the following exception occur org.hibernate.MappingException: Repeated column in mapping for collection: br.gov.trf2.jfes.apolo.processo.Processo.assuntos column: CODSECAO How can I make ...

11. foreign key with two or more columns    forum.hibernate.org

12. another column as foreign key in Hibernate    forum.hibernate.org

Hi I am using Hibernate3 I have a table named "users" with columns : Id_user int username varchar password varchar the id_user is primary key and incremental, but there is another table named "roles" I want to relation two table with column "username" but Hibernate use my primary key to join two table. how can I join two table with another ...

13. One-to-many with different primary/foreign key column names    forum.hibernate.org

Hello I have some problem in implementing one-to-many relationship. I got a master table STYLE with STYLE_ID as primary key which maps to detail table ATTACHMENT 's column ID. ATTACHMENT table has composite key ID, ATTACHMENT_ID. Thus one style has many atttachments and distinguished by ATTACHMENT_ID for same ID or STYLE_ID of STYLE table. When I try to fire query for ...

14. How to update only the join (foreign key) column    forum.hibernate.org

Hello, I'm a new Hibernate user but an experienced Java developer. I'm using Hibernate 3.0 with Spring on WebLogic and Oracle, but I don't think that has any bearing on my problem. I have three entities (classes) that are each stored on their own database table: Participant, Activity, and Option. These objects are managed with Hibernate, so far so good with ...

15. Same column two different foreign keys    forum.hibernate.org

Hey so I have an odd issue. The system I inherited has been created by three different people and I guess one of those people decided to go against the already existing system. For one of the columns in this system, namely the agent column of the order table, it sometimes references the userID (which it should be doing and which ...

16. Reverse engineering, foreign-key column-ref ignored?!    forum.hibernate.org

Newbie Joined: Thu Dec 09, 2004 9:04 am Posts: 3 Hi everybody! I'm relativly new to Hibernate version: 3.2, but used hibernate for doing a project a long time ago. I wanted to reverse engineer a database using the hibernate tools and stumbled across the following problem. I have two tables that are in a many-to-one relation, but they are not ...





17. Foreign key as property? (or direct table column access)    forum.hibernate.org

18. Foreign key violation with autoinc column    forum.hibernate.org

Hi, i have an interesting problem. I have two tables. Customer and customeraddress. They are splitted cause of performance. The customer has a column called id and it is autoinc. Customeraddress has a column called customerid and this is just an integer (PK). The customer now has a foreign key with the id-column and the customerid of the customeraddress. Now if ...

19. Specifying foreign key for primitive column using Annotation    forum.hibernate.org

Hi, I am using Hibernate version:3.0 and Annotations for the same. I am using MySQL database. I am very new to Hibernate and have the following requirement - Table ERROR_INFORMATION long ERROR_ID(PK) ----------------------------------- Table FILE_INFORMATION long ERROR_ID I have model classes errorInformation.java and fileInformation.java mapped to these two tables. Now I want to specify in model class fileInformation that errorId in ...

20. Updating a foreign key column    forum.hibernate.org

Hi, I'm new to Hibernate, I have a 1 to 1 relationship set up between two objects (tables). So the table generated just uses a foreign id column with the id of the other object, which is pretty much what I expected. But the Java object has an instance variable of the type of the other object. What I want to ...