Column « Version « JPA Q&A

1. Hibernate Tools - "version" column stackoverflow.com

I am trying to generate the entites from my table using Hibernate Tools. I can do this successfully with one small gotcha. Each of the tables (100+) have a column called "version" ...

2. Update on version column even if nothing has changed forum.hibernate.org

Hi all, I have detected a strange behavior when updating some entities. The version column is updated even if nothing has changed on entity and some associated entities are updated to (version column) even if no cascading is specified. Hibernate: 3.1.5-Final Part of the code: Code: @Entity(name = "A") @org.hibernate.annotations.Entity(dynamicUpdate = true, selectBeforeUpdate = true, optimisticLock = OptimisticLockType.VERSION) @Table(name = "A") ...

3. how to use version column ? forum.hibernate.org

You need to add a field (with setter and getter) for the version in you persistent object, and use the version element in the mapping. The version gets incremented everytime the object is updated. If 2 concurrent users update the same persistent object (e.g version=5), the first user increments the version (version=6), and the second gets a StaleObjectStateException when trying to ...

4. Version column forcing update forum.hibernate.org

Newbie Joined: Sat Apr 10, 2004 12:14 am Posts: 7 Using Hibernate 3.0.5, MySql 5.0... Can someone enlighten me regarding the following issue.... As soon as I added a version column to a parent class (PurchaseOrder that has a collection of PurchaseOrderLine objects) the session starting forcing an update to the PurchaseOrder header record -- EVEN if no property values changed. ...

5. Using audit columns as versioning forum.hibernate.org

Hello, In each of my tables, I have the following: Code: CREATE TABLE my_table ( -- ... create_user_name VARCHAR2(30) NOT NULL, create_time DATE NOT NULL, modify_user_name VARCHAR2(30), modify_time DATE ); I thought of using these columns for versioning (create_time and modify_time), HOWEVER: * When a record is inserted, create_time is populated, ...

6. Version Columns and Reverse Enginering forum.hibernate.org

Hibernate version:3.2 We are using HibernateTools to reverse engineer our DB. Our application uses detached objects with automatic versioning so we need to identify the versioning column in the hibernate mapping file. The problem I am running into is that every time I reverse engineer, and a new mapping file is created, it wipes out the tag. Is ...

7. Version and dateupdated got modified though no columns updat forum.hibernate.org

Hibernate updates the record though there are no changes to the fields. I have used dynamic-insert and update property to check what properties being modified; I have only found version and dateupdated getting updated. Any ideas what this is happening? How does hibernate decide whether a record needs to be updated or not. I really appreciate if some one could help ...

8. Version and dateupdated got modified though no columns updat forum.hibernate.org

Hibernate updates the record though there are no changes to the fields. I have used dynamic-insert and update property to check what properties being modified; I have only found version and dateupdated getting updated. Any ideas why this is happening? How does hibernate decide whether a record needs to be updated or not. I really appreciate if some one could help ...