object « Insert « JPA Q&A

1. Inserting an object to the db using hibernate, only if it doesn't exist    stackoverflow.com

Let's say I have a mapped User object with a user_id as a primary key, and a mail column with a unique constraint. I want my program to save a User object ...

2. JPA inserts slow with an object graph    stackoverflow.com

I'm trying to do a cascading save on a large object graph using JPA. For example (my object graph is a little bigger but close enough):

public class A {
  private ...

3. hibernate - insert object failed because of foreing key violation    coderanch.com

Hello all - I have a a table events that generates it's primary key. This table has another table (insertion_string) that associated to it with a foreign key. My DB is postgres. events_event_id_seq

4. How to make hibernate insert an object and not update it    forum.hibernate.org

Hi I checked out the other forum and is exactly the same problem. I know I can clone the objects but that means that I have to clone also the references. I read that there was a replicate method for this kind of problem but I can't find it in the API. Thanks for the help

5. How to prevent insert complicate object to author table?    forum.hibernate.org

Hi everyone: I want to write a BBS using Hibernate.I have two tables author and article.The accociation of author and article are 1:N. I want to implement this.When a user post a article, his name will be inserted into author table and the comment of article will be inserted into article table. When the user post topic next time his name ...

6. Insertion problem in many-to-many object    forum.hibernate.org

Hi all, I have a many-to-many Object Relation (an appointment that have many invitations) I use xdoclet and struts infront of hibernate. It seems that everything is ok in my code but after saving new object the information of invitations is not inserted to Link table : this is part of my code /** * @hibernate.set * role="invitations" * table="tevent_partner" * ...

7. Index and DDL object size behavior    forum.hibernate.org

8. Delete then insert object ...    forum.hibernate.org

I've caught this everytime i load an object A, hibernate auto-delete and insert same records to a table ( that i call by using collection mapping in the object A mapping file).. Have anyone here caught this strange thing too ?? Plz explain me why if you know and have free time. Thank you

9. Urgent. Can i insert only Goods object and not Matrics ??    forum.hibernate.org

hi all i have a Goods object as follows : class Goods { String name; String id;//id Metric m;//another object } and Metric is : class Metric { String name; String id;//id } Metric table is already filled in database. i just have instances of Goods to be written into its table without writing Metrics into Metrics table. in Goods table ...

11. one-to-one: objects get updated but should be inserted    forum.hibernate.org

Newbie Joined: Sat Dec 25, 2004 6:03 pm Posts: 2 Hi! I'm trying to build a simple one-to-one relation in my application. After some hours of trial and error it nearly works, but a last problem is still unsolved. I reduced the whole thing to a simple example: Class User has a one-to-one relation to class Stats: Code: public class User ...

12. Inserting Object In ORM    forum.hibernate.org

Hi. In entityBean when we want to save an Object we need to find all the object related to it. We do it by using findByPrimaryKey() method. In hibernate we can create these related object and then put their id in them and save the object. I want to know this is a correct way in hibernate or not.

13. Insertion of an object via Hibernate    forum.hibernate.org

yann84 wrote: Hello, i'm using Hibernate and Eclipse with MySQL Database. I could connect the database and dislpay some fields from certain tables. But the probleme is when i try to insert an object into a table, i use the following program. I have no errors but the warning signal persists, and nothing happen in the database. ... and When i ...

14. Regarding inserting multiple objects with images    forum.hibernate.org

Hi All, I am trying to insert a set of images using HibernateTemplate.saveAll() or updateAll(). In my hibernate object, the data type of the image is a blob. If the image size is less than 3kb, the insert is successful. But if I try to insert multiple images more than 3kb, then the application just hangs. The insert is not complete ...

16. Getting rowids for inserted objects    forum.hibernate.org

17. insert object failed because of foreing key violation    forum.hibernate.org

I have a a table events that generates it's primary key. This table has another table (insertion_string) that associated to it with a foreign key. My DB is postgres. Code: ...

18. Insert object data in multiple table    forum.hibernate.org

Thanks ciccio17 I think you are right. But actually I am using Spring and Hibernate Framework . I want to save data in both table with an object. I tried to make Address_Table as a sub class of PERSON_TABLE. In this case what will be the Person.hbm.xml and Address.hbm.xml? The reason of doing this is that we can make only one ...

19. Mass insert hibernate objects (database restore)    forum.hibernate.org

Caused by: org.h2.jdbc.JdbcBatchUpdateException: Referential integrity constraint violation: FKE326B97EC91F9A74: PUBLIC.RH_PERSON FOREIGN KEY(HOME_ADDRESS) REFERENCES PUBLIC.RH_ADDRESS(ADDRESS_ID); SQL statement: insert into RH_PERSON (LANGUAGE, NOTE, BIRTHDATE, BIRTHPLACE, FIRST_NAME, FORMULATION, GENDER, HOME_ADDRESS, LAST_NAME, NATIONALITY, ORG_ID, PICTURE, title, PERSON_ID) values (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?) [23002-110] at org.h2.jdbc.JdbcPreparedStatement.executeBatch(JdbcPreparedStatement.java:1068) at org.hibernate.jdbc.BatchingBatcher.doExecuteBatch(BatchingBatcher.java:48) ...