Delete « Composite « JPA Q&A





1. JPA: composite key and deleting records problem    coderanch.com

Hi all, here my problem: JPA I've a composite key (4 columns in the table are my key) and related "embeddable" class (named "RelazId") with 4 properties. @Embeddable public class RelazId implements java.io.Serializable { // Fields private Integer codtab; private Integer coddoc; private Integer codtabR; private Integer coddocR; .......................................... Another class (named "Relaz") has RelazId as its own ID key. @Entity ...

2. set mapped as composite-element being deleted / inserted    forum.hibernate.org

I'm using mysql 4.0.13 I have a set that is mapped using composite-element When I load the enitity, modify an attribute, and flush The entity row gets updated but the set's rows are deleted / reinserted even though I didn't touch the set Why is this? Should I change to a list ? It didn't do this when I had the ...

3. Deletion of composite element fails    forum.hibernate.org

God morning, I have implemented the Customer -> Order -> Product example from the ref. documentation. I've modified the mapping to NOT use lazy loading and to use cascade on all. The problem arise when I try to delete a Product associated with a Customer through an Order. The following code is executed: Code: Set products = order.getProducts(); // The set ...

4. Many-to-many w/ composite-element causing delete and insert    forum.hibernate.org

I'm using hibernate 2.1.1 under weblogic 8 with oracle 9. I am seeing some strange behaviour with many-to-many mappings using composite-element. An unneccessary delete and insert statement is being sent to the database. Tables: PRODUCT ID NUMBER(6) NOT NULL, DESCRIPTION VARCHAR2(40 BYTE) USER_ORDER ID NUMBER(6) NOT NULL, TOTAL NUMBER(6) PRODUCT_USER_ORDER_MAP PRODUCT_ID NUMBER(6) NOT NULL, USER_ORDER_ID NUMBER(6) NOT NULL, QUANTITY NUMBER(6) OTHER ...

5. Trying to delete an object with composite id    forum.hibernate.org

Hi, Using the Hibernate API, I am trying to delete an object which contains a composite id which is assigned. The composite id has a relationship to the master table. I need help on how to set the individual identifier value fields in the POJO corresponding to the table. The code I am using is generic as follows:- try { ...

6. Many to Many with Composite element always deleting    forum.hibernate.org

Hi all.. I am having a strange problem with my many-to-many association. I have an object 'A' assocaited with object 'B' through object 'AB.' AB has additional fields, so I have done the mapping as a composite element with a 'many-to-one' element within it. The strange thing that I have noticed, however, is that when I load Object 'A' and do ...

7. Problem with composite id and deletion    forum.hibernate.org

8. Problem with deleting elements of composite collection    forum.hibernate.org

Page 1 of 1 [ 1 post ] Previous topic | Next topic Author Message kcrimson Post subject: Problem with deleting elements of composite collection Posted: Mon Oct 18, 2004 9:13 am Newbie Joined: Thu Aug 05, 2004 4:45 am Posts: 3 Hello!!! I'm using Hibernate 2.1.6 with with Postgresql 7.3. ...

9. Deleting Composite elements foreign key issue    forum.hibernate.org

Hibernate version: Version 2.1 Mapping documents: true





10. Problem with Delete NULL with composite-element Map    forum.hibernate.org

Author Message glindholm Post subject: Problem with Delete NULL with composite-element Map Posted: Tue Mar 22, 2005 2:20 pm Beginner Joined: Tue Sep 21, 2004 4:04 pm Posts: 25 Location: Oldsmar, FL Hi All, My problem is, when I modify an element in a composite-element Map Hibernate is issuing a DELETE with the composite-id fields set to NULL. The ...

12. Problem with composite id delete    forum.hibernate.org

Hi, I have problem trying to delete off a composite child object. Below are my code Hibernate version: 2.1.7 Mapping documents: CharacterInventory.hbm.xml ...

13. key-many-to-one and composite-id --> HQL delete problem    forum.hibernate.org

I have to delete an object that has a many-to-one association in his primary key using the HQL delete request (for performance reason). The associated object has the key defined in a composite-id (with id there is no error). The HQL request is : this.getSession().createQuery("delete Label label where label.numseq = '01' and label.codlan = '01'" and label.mytad.argtbl = 'BE' and label.mytad.numbtl ...

14. Composite key deletion issue    forum.hibernate.org

15. HQL composite element causing delete and insert    forum.hibernate.org

pixel72 Post subject: Posted: Sun Jun 24, 2007 8:15 am Newbie Joined: Tue Nov 21, 2006 1:32 pm Posts: 7 Here you go Hibernate version: 3.2.3 Mapping documents: Code: ...

16. deleting map of composite-element fails    forum.hibernate.org

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17. composite-element many-to-one delete    forum.hibernate.org

18. set with composite-ele deletes elems first instead of update    forum.hibernate.org

I am trying to delete the first entry and then update the seqno accordingly for the remaining entries. when the commit is done, hibernate performs delete operation followed by insert for the ...

19. How to delete orphans many-to-one reversly composite assoc.    forum.hibernate.org

I have following problem, but I can't google sollution. Let's suppose follwing (just)example. We have a political Party which registers its Members. From point of view of my application this is composition, because it makes no sense to have member without his party. It looks like normal composite one-to-many association, but wait..., the biggest political party in my hypothetical country has ...

20. Updating & deleting collection's item with composite id    forum.hibernate.org

Hello everyone, I'm trying to manipulate a Set which is composed of entity with composite-id. This is not the easiest thing i must say. I have generated almost everything with the Tools. Here is what I have : Products which contains a Set of PriceSupermarket. A PriceSupermarket contains a price, a Product, a Supermarket and a PriceSupermarketId. PriceSupermarketId has a idProduct ...