Update « Load « JPA Q&A

1. using Hibernate to loading 20K products, modifying the entity and updating to db stackoverflow.com

I am using hibernate to update 20K products in my database. As of now I am pulling in the 20K products, looping through them and modifying some properties and then updating the ...

2. not able to retrive updated data from session using session.load + hibernate coderanch.com

why my bellow function does not retrive the updateded data from table at first attempt ? When i second time make same query from ui it gives me the correct data. i am really not able to understand the reason public String searchCustomer() throws Exception { Customer customer = null; try { Session hibernateSession = customerDAO.beginTransaction(); customer = customerDAO.findByPrimaryKey(getCustomerId()); hibernateSession.refresh(customer); System.out.println("Total ...

3. Problem resaving/updating a loaded entity forum.hibernate.org

Newbie Joined: Sun Apr 24, 2011 12:28 pm Posts: 6 Hi, I got a problem with resaving/updating a loaded entity. The problem is kind of strange because when I create the object in my spring controller and saves it with the same method, it works, and I can also load it. However when Ive done my modifications, or even without modifications ...

4. Incremental update of changed properties with out loading forum.hibernate.org

Does hibernate provide a mechanism to update only the modified properties (columns) with out loading the data. If an object with only modified attributes and the unique identifier is given to the hibernate (no values set for other attributes), would hibernate generate query to update only the passed in attributes. this would help us no to load the data and just ...

5. Update only after Load? forum.hibernate.org

Hi Maybe a stupid one, but do I have to load a complete object in order to perform an update on a single field? I simply want to update a flag field and currently only succeed by loading the whole object, modifying the flag and persist the whole thing again... (of course...I could manage to get the connection and do it ...

6. Updating data without loading it in forum.hibernate.org

I want to do the sql equivalent of: update table set column_a = 1 where column_b = 0 I could load the data into a Set, iterator over it and then do this in java, but that would force me to load in all that data. Is there a way to issue this type of statement through Hibernate?

7. Is it possible to update without load? forum.hibernate.org

Simple question, I think, but I can't find the answer in the forums. I'm trying to work out a way of updating a property without loading first, something like: VO valueObject = new VO(); valueobject.setPK(existingPK); valueobject.setApproved(true); session.update(valueobject); This is just to avoid having to avoid loading the object to set a single attribute. Thanks for any suggestions.

8. Guidance in updating objects loaded in the previous session. forum.hibernate.org

Hi, I have been trying out the various update options in Hibernate. These options are being evaluated for load in one request and update the changed records in the next request. We are following a session-per-request pattern. The project requires me to write update statements, updating only the fields which have changed. As I understand Hibernate provides me with three options ...

9. Updating an object in different session without loading forum.hibernate.org

Hi... I am sathish.I have the problem while updating an object using session.update(ob) in the different session. I save an item which has id,name,color and address properties. i save this item using session.save(item). It stored in the table with id=1 In different session i created an item and set the id=1 and set the name. Then i used session.update(item). It is ...

10. Update being called without being requested in load? forum.hibernate.org

Author Message cfuser2 Post subject: Update being called without being requested in load? Posted: Mon Oct 11, 2004 12:53 am Newbie Joined: Tue Sep 28, 2004 2:34 pm Posts: 2 Trying to figure out the why an update being called when it is not requested. I am simply doing a load of the Customer class and receive the error ...

11. Updates of session loaded objects not being detected forum.hibernate.org

Author Message jkolb Post subject: Updates of session loaded objects not being detected Posted: Fri Sep 16, 2005 11:45 am Beginner Joined: Wed Nov 05, 2003 4:38 pm Posts: 29 I'm not sure if I've missed something really small and stupid but the example in the documentation is pretty straightforward on how to update an object that has been ...

12. Hibernate 3 load than update forum.hibernate.org

We are migrating from Hibernate 2 to Hibernate 3. Everything seems to work fine except when we load an object and than update it. We are using CMT transactions, so we are not managing the sessions. The following is an example: Code: @RolesAllowed({"Sales"}) @TransactionAttribute(TransactionAttributeType.REQUIRES_NEW) private void updateBooking(long id){ ...

13. update after load gives error forum.hibernate.org

Hibernate version: 3.0 I am using jta transaction. I dont close session and I dont have transaction in my hibernate classes. I control transaction in m ejb methods:@TransactionAttribute(TransactionAttributeType.REQUIRED) Problem: I want to load an object , change sth in it and then update it. In hibernate2 there was no problem but in hibernate3, when I do the load or get before ...

14. Load/Update typical usage forum.hibernate.org

15. Hibernate executes an update when loading objects forum.hibernate.org

Hi I was wondering under what circumstances Hibernate will decide to do an update when I execute a named query (which is just a select). It's really strange, because if I point to our development database, everything is fine (no update) but when I point to our UAT database it does try an update. Which makes me think its a decision ...