Increment « Composite « JPA Q&A

1. Hibernate Auto-Increment not working stackoverflow.com

I have a column in my DB that is set with Identity(1,1) and I can't get hibernate annotations to work for it. I get errors when I try to create ...

2. Hibernate composite keys with auto-increment columns problem forum.hibernate.org

Hi, I've found a big issue with Hibernate 3 (using annotations). I'll try to explain it with a little example. I have a table with a composite key of four columns. One of such columns is an auto-increment column: CREATE TABLE IF NOT EXISTS `bdprueba`.`extensions` ( `id` BIGINT(20) UNSIGNED NOT NULL AUTO_INCREMENT , `context` VARCHAR(40) NOT NULL DEFAULT '' , `exten` ...

3. Composite Primary Key or Auto Increment key ? forum.hibernate.org

Hi.. i have two ways for make something and don't know what's better ...... Problem : 3 tables Client ----> ( 1,* ) Activity -----> (1,1) ActivityAccreditation A Client it can have one or more activities, and one Activity have one ActivityAccreditation. On Client the primary key is CLIENT_ID, the two ways for generate the keys on the other tables are ...

4. Composite.id with an auto-increment key property? forum.hibernate.org

5. Composite Key containing an auto-increment column: possible? forum.hibernate.org

Hibernate version: 2.1.6 Name and version of the database you are using: MySQL 4.1.10 Hi all, I'm trying to map a class to a DB table in which the PK is composed of a string column (FK) AND a integer index, which should be autogenerated (it's pretty weird, but I can't change the schema). It's as follow: CREATE TABLE T_TOTO { ...

6. Composite primary key and auto-increment, please help forum.hibernate.org

Hello All, I have a table with a composite primary key consisting of two integer columns where one of them is auto-increment (SQL Server IDENTITY). I cannot change the database schema as this is a legacy database I have to support. The problem is, I cannot use inside anywhere. How do I solve this problem? Hibernate tries to explicitly ...

7. Composite increment id? forum.hibernate.org

Hi, I am going to write simple programm where I want to store Garages and Cars (garage can have many cars but car can be only in one garage). I would like to have increment id in both classes but Car should have unique id only within the garage and I'd like to have all cars in one table. class Garage ...