1. Effective Entity Update In Hibernate? stackoverflow.comHow can I update an entity "effectively" in hibernate just as by using SQL.
For example : I have a Product entity, which has a field name |
2. JAVA JPA updating the related entities stackoverflow.comI have a problem with updating related entities. Let me start with a straightforward example. Suppose I have a User 1:1 Profile relation. How can I update (replace) Profile entity which belongs to User ... |
3. Updating a Hibernate entity via an EventListener stackoverflow.comI'm using PreInsert and PreUpdate EventListeners in Hibernate to set the value of "created" and "updated" timestamps prior to writing my entity to the database. The problem is the next time ... |
4. updating entities with hibernate if necessary stackoverflow.comi've got the following situation: a user uploads a csv file. every line in the csv file is an entity. i parse the file and create thousands of enitities which i save ... |
5. JPA entity getting update automatically stackoverflow.comI load the JPA entity,set some of its properties. As soon as I show this entity on UI, it is getting updated into database automatically though I do not submit ... |
6. What is the best way to update the entity in JPA stackoverflow.comI am doing some CRUD operations using JPA. For updating an object which is the right way to do?
Through update query or through |
7. JPA: Is it possible to update existing entities automatically? coderanch.comI have an entity called TreeNode which represents a node in a tree structure. It has references to its parent (mainTreeNode) as well so its children (childTreeNodes). To specify this using JPA I choose to have mainTreeNode as a @ManyToOne relationship mapping and childTreeNodes as a @OneToMany relationship mapping. Where the children can be defined using the mainTreeNode. // Package and ... |
8. Suggestion needed on Updating Entities in JPA coderanch.com |
9. Preventing creation/update of entities in JPA coderanch.comI have a case where one particular table is automatically generated by database triggers. I've mapped an entity to it, and I want to be able to retrieve these entities. But I don't want the application to be able to make any updates or insert any records. What's the best practice for this in JPA2? I could label all the columns ... |
10. ConcurrentModificationException while updating entity forum.hibernate.orgHi there, I searched the forum for a similar issue and i found many topics about ConcurrentModificationExceptions, but haven't found anything related. So I make up a new topic on our problem using hibernate. We get this exception not every time, it happens after updating about 50k entities and cannot exactly be reproduced. The stacktrace shows an Exception deep inside hibernate ... |
11. Entity diff on updates forum.hibernate.orgSorry, I'm sure this has been asked but I couldn't come up with the right search terms to find it. Via either the Hibernate or JPA APIs, is there a means to retrieve what information has been persisted during a saveOrUpdate or update (for Hibernate), or merge (for JPA) calls? Or asked another, is there any way to get the diff ... |
12. In memory entity state after a DML Update forum.hibernate.orgI am performing a DML Update statement to affect multiple rows in the database. Directly after the update statement but before the transaction has been committed I eagerly fetch the data via a select statement. I set the session cache mode to IGNORE so that the select statement bypasses the second-level cache. The entity in question does not reflect the updated ... |
13. Effective Entity Update In Hibernate ? forum.hibernate.orgI've always wanted to know How can I update an entity effectively in hibernate just as by using SQL. For example : I have a product entity , has a field name createTime , when I use session.saveOrUpdate(product) ; I have to get this field from database and then set to product then update , actually whenever I use session.saveOrUpdate() , ... |
14. stackoverflow while updating entity forum.hibernate.orgNewbie Joined: Fri Jun 11, 2010 1:57 pm Posts: 2 Hello, I am a newbie trying to use Hibernate and JPA for developing my graduating thesis. I have a DocumentFolder entity that I want to update, but when I try to do it I receive a stackoverflow exception. the entities involved are as below: Code: @Entity @Table(name = "Document_Folder") public class ... |
15. Hibernate updating entity from dto (copyProperties) forum.hibernate.orgHello, I have a really weird problem. My application is ready for use - but it lacks support for object editing at moment (I implemented "add" and "get" for all objects first, to see the application running) I am working with hibernate and Flex (graniteds). So my Weblayer is receiving objects in data transfer objects, perhaps the user is editing the ... |
16. I need help to update an entity forum.hibernate.orgAuthor Message crcraq Post subject: I need help to update an entity Posted: Fri Jul 08, 2011 4:34 pm Newbie Joined: Fri Jul 08, 2011 3:57 pm Posts: 4 hi, i got 2 entities, Student and Phone, and a relationship one-to-many between them. Code: @Entity @Table(name = "STUDENT") public class Student { ... |
17. Updating unchanged entities during reconnect forum.hibernate.orgHibernate version: 2.1.4 Database: Oracle 9i I have an entity with relationships (lazy=true, cascade=all). The entity was loaded in one session, and I forced the loading of the related entities using Hibernate.initialize(foo.getBars()). Some attributes of foo may be changed, but I'm not changing any Bars (in this particular case, though the user has the option of changing Bar attributes). When I ... |
18. Update the parent entity question forum.hibernate.org |
19. Issues persisting (updating) and entity forum.hibernate.orgI have a legacy database and each table has create_ts, update_ts columns populated via triggers. I ran into trouble with hibernate when wanted to update some rows and persistence manager treated detached object as transient, as result Hibernate inserted another row when I would have expected an update. Below is an example of the mapping file and please note that I ... |
20. Newbie : Hibernate updates my entity on flusj forum.hibernate.orgHibernate: select max(id) from Client Hibernate: insert into Client (first_name, last_name, email, id) values (?, ?, ?, ?) Hibernate: select client0_.id as id0_0_, client0_.first_name as first2_0_0_, client0_.last_name as last3_0_0_, client0_.email as email0_0_ from Client client0_ where client0_.id=? Hibernate: select max(id) from Address Hibernate: insert into Address (line1, id) values (?, ?) Hibernate: update Client set first_name=?, last_name=?, email=? where id=? |
21. veto non-entity updates forum.hibernate.orgI've been using pre- event listeners to prevent changes being made to the database (by veto-ing them). This works well, but other code is bypassing the listeners... eg getCurrentSession(). createQuery("update UserDetailsExtended u set u.passwordCode=null, u.lastLoggedIn=? where u.id=?") .setParameter(0, now) .setParameter(1, usersId) .executeUpdate(); Can anyone tell me if this is meant to bypass the listener? In my mind it is an update ... |
22. Issue with updating the entity. forum.hibernate.orgMy problem is some what straight forward... I have one entity... Which has two collection ..and each collection has number of object of same class... That means both collection is pointing to same Class. Now whenever i am trying to feel these two collection.if there is same records in one of the object in both collection.It wont update itself..Or if i ... |
23. Entity updating automatically via UpdateTimestampsCache forum.hibernate.orgHibernate version: 3.2.6GA I'm using Seam 2.0.2GA wit EJB3 in JBoss as my development stack. My app is a fully working app built in 4 months. I've been stuck with this problem for quite sometime now and a forum post, http://www.seamframework.org/Community/SeamUpdatesEntitiesAutomaticallyViaUpdateTimestampsCache on JBoss Seam did not fetch any results, hence the repost here Scenario: I have an entity A in extended ... |