Record « Update « JPA Q&A

1. Best Practice Updating DB Records    stackoverflow.com

Say you retrieve 100 records, and display them on a page. The user only updates 2 of the records on the page. Now you want to update only the two records, ...

2. Hibernate: getting a record but it's being updated in the database?    stackoverflow.com

For some reason Hibernate seems to be keeping my session open and updating the object without me explicitely invoking a save/update/saveorupdate. I guess the session is staying open and it's beeing ...

3. Hibernate does not update the records?    stackoverflow.com

I am using hibernate with spring. in daoImpl i have a single method that updates records in two tables as below.

Query queryOne = session.createQuery("some update query")

Query queryTwo = session.createQuery("some update query")

queryOne.executeUpdate();
queryTwo.executeUpdate();

4. Hibernate does not save Object / Record    coderanch.com

Hi all, I have written a simple example of storing "Cat" object in the Hibernate Example. I have written the client code as foloows in the servlet: ........... ........... Cat princess = new Cat(); princess.setName("Princess"); princess.setSex('F'); princess.setWeight(7.4f); System.out.println("Hello World 1"); Configuration cfg = new Configuration().configure(); SessionFactory sessionFactory = cfg.buildSessionFactory(); System.out.println("Hello World 2"); Session sess = sessionFactory.openSession(); Transaction tx= sess.beginTransaction(); System.out.println("Creating Cat"); ...

5. how to update master detail record using hibernate???    coderanch.com

Hi! i am using hibernate framwork to persist my java objects....i have a case where i have to update a master detail record master record =======> CustomerInfo detail records =======> CustomerAccounts The problem is when i need to udate a record in detail section and another record to be added first time i just add those records one to be updated ...

6. Hibernate/JPA, Persist Multiple Records in a Table    coderanch.com

7. How to remove the record in the bridge table    forum.hibernate.org

I am using jpa. I establish a many to many relationship on Course and Student. So I have a bridge table CourseStudent. The code in Course,java @Entity @Table(name = "COURSE") public class Course implements Serializable { @ManyToMany(fetch = FetchType.EAGER) @JoinTable( // name = "COURSESTUDENT", // joinColumns = { @JoinColumn(name = "COURSE_FK", nullable = false, updatable = false) }, // inverseJoinColumns = ...

8. Record not saved to Database    forum.hibernate.org

Hello I am new to Hibernate as i previously used Ibatis. I am facing a problem. I Have written a code to save a record to database when the code executes nothing goes wrong (ie no error or exception). But i dont find any records Saved in Database :( Please note that there is many to one relationship of Event with ...

9. Hibernate update operation produced un-referenced records    forum.hibernate.org

When update a collection in hibernate parent class. Hibernate will generate the following SQL script. Here item records are set in a list of order record Hibernate: update items set ORDERID=? where ID=? Hibernate: select hibernate_sequence.nextval from dual Hibernate: insert into items (name, ORDERID, ID) values (?, ?, ?) Hibernate: update items set ORDERID=null where ORDERID=? Hibernate: update items set ORDERID=? ...

10. Hibernate not saving new record    forum.hibernate.org

Newbie Joined: Tue Sep 09, 2003 5:57 pm Posts: 2 Location: Salt Lake City I've run into a strange problem with Hibernate save/update/flush. I can edit a record and the changes will save, however, when I create a new record, the new record will NOT save! Below is the code snippits that perform the save and below that is the verbose ...

11. why is update when i want to add record??    forum.hibernate.org

Quote: in Dept.hbm.xml in Emp.hbm.xml then add one Dept, and two Emp in it. DeptDao deptDao = new DeptDao(); Dept dept = new Dept(); dept.setId(92); dept.setDname("dgt"); Emp emp =null; emp = new Emp(); emp.setId(new Short((short)448)); emp.setEname("567"); emp.setDept(dept); Emp emp2 =null; emp2 = ...

12. update record - is this correct?    forum.hibernate.org

13. Updated record inaccessible    forum.hibernate.org

I created an object and saved it with the save() method of the Session interface. Then I retrieved it with the find() method, and changed one of the properties with a set...() accessor method. I used the update() method to save my changes. When I tried to retrieve the changed property of the object, I only got the original value, although ...

14. Update successful even if no record exists...???    forum.hibernate.org

Hi, I'm using Hibernate 3.0 and I have noticed that if I try to update an object using session.update(Object obj) and there is currently no corresponding database record for that object, the update executes successfully anyway! No record is added but I would have expected that calling update for an object with no corresponding db record would throw an exception - ...

15. records updated even when no changes are made    forum.hibernate.org

Newbie Joined: Tue Jul 05, 2005 12:42 pm Posts: 5 I am having a problem in that everytime a record is loaded and viewed it gets updated back to the database even if no changes (I think) were made. Hibernate version:3.0.5 Mapping documents: ...

16. Updating Multiple records using Hibernate    forum.hibernate.org

Hi, I am new to hibernate. I am using Hibernate 2.8. And I have a requirement that I need to update multiple records in a table using hibernate. Just as we write a simple SQL query to update multiple records - Update