insert « EntityManager « JPA Q&A

1. JPA EntityManger preforming a database insert on merge?    stackoverflow.com

I am using JPA with Hibernate underneath, and I am having trouble getting merge to work, but before I describe the problems I am encountering with JPA, let me lay out ...

2. EntityManager.merge inserts duplicate entities    stackoverflow.com

I've got a pretty special setup: I create all the classes in Java, connect them in my application (several ManyToOne-relationships). Then, I'd like to iterate over my objects and save them into ...

3. How to insert values into database using queries using entity manager, persistence using a java class?    stackoverflow.com

I want to insert data into a table using the following code

    public User registerUser(String usr, String pwd) {

    u=em.find(User.class,usr);
    if(u!=null)
  ...

4. EntityManager trying to insert entities without being prompted    stackoverflow.com

Perhaps I'm over-simplifying this by only giving you a small snippet of code (and I'll post more if that is the case) but I figure, initially, less is better: I have an ...

5. Hibernate Entity Manager does not do insert upon persist    forum.hibernate.org

Hello, I am doing a Spring application using JPA. I am using Hibernate Entity Manager as JPA provider. From my pom.xml: Code: ... org.hibernate ...