key « EntityManager « JPA Q&A





1. JPA EntityManager find with case sensitive key    stackoverflow.com

I'm trying to use the JPA EntityManager find() method. My primary key is a string which corresponds to a user's name. I am using JPA / Hibernate / MYSQL. My problem is ...

2. JPA 2 (EclipseLink) Trying to use UUID as primary key EntityManager.find() always throws exception (Database is PostgreSQL)    stackoverflow.com

I'm trying to use a UUID for a primary key using JPA 2 (EclipseLink). I'm using PostgreSQL as the database. I have my entity declared as follows: I have an Employee ...

3. JPA: Does EntityManager.find() always return the same object reference for the same key?    stackoverflow.com

I've got an integration test of a DAO in which I use a shared EntityManager (via Spring, using SharedEntityManagerCreator). The test class is marked as @Transactional, as is the DAO ...