increment « Field « JPA Q&A





1. Hibernate not respecting MySQL auto_increment primary key field    stackoverflow.com

I am trying to learn how Hibernate works, and I am running into an almost unacceptable learning curve. I can't see how to get Hibernate to respect the auto_increment policy for ...

2. Hibernate auto increment field for multiple databases    stackoverflow.com

I have a Java object with a field that needs to be auto-incremented in the database. This field is not a primary key, just a field that needs to be ...

3. OpenJPA - how to set the value of an auto-increment fields if needed    stackoverflow.com

I have set up my OpenJPA orm.xml to map an entity that has its primary key as an auto-increment value. I'm using a

    <id name="objectId">
    ...

4. Hibernate: Increment a integer field    stackoverflow.com

I want to increment a field in a database table by 1 using Hibernate. I can do this by simply loading an object, incrementing the value and updating the object however ...

5. Hibernate MySQL Auto increment insert inc. field been a foreign key    coderanch.com

Hi The subject is confusing but let me explain I have a MySQL DB I have a table called BOOK whose primary key(bookID) is a auto increment field My Book object has an attribute id which I set to 0 as mySQL knows that when doing an insert, the auto increment field will be set to zero. MySQL implicitly sets the ...

6. ZK + OpenJPA + Java DB(Derby) insert data got error for auto-increment field    zkoss.org

@Entity @Table(name = "USERS") @NamedQueries({@NamedQuery(name = "Users.findAll", query = "SELECT u FROM Users u"), @NamedQuery(name = "Users.findById", query = "SELECT u FROM Users u WHERE u.id = :id"), @NamedQuery(name = "Users.findByName", query = "SELECT u FROM Users u WHERE u.name = :name"), @NamedQuery(name = "Users.findByLoginid", query = "SELECT u FROM Users u WHERE u.loginid = :loginid"), @NamedQuery(name = "Users.findByPassword", query = ...

7. simple question : auto_increment fields    forum.hibernate.org

Hi, just a simple beginner question, but I do not seem to find it in the docs (or maybe I'm too tired and reading over it every time after trying the last 24hrs to get hibernate working (still failing btw, so no sleep for me yet)). The Q is: after you do save/saveOrUpdate, is a newly generated record's key retrieved into ...