value « HBM « JPA Q&A

1. Hibernate question hbm2ddl.auto possible values and what they do stackoverflow.com

I really want to know more about the update, export and the values that could be given to hbm2ddl.auto.
I need to know when to use the update and when not? And ...

2. Using hibernate hbm2ddl.auto=update : How can I alter column not to require value anymore? stackoverflow.com

I had a property that used to be not-null="true". Values aren't necessary for that field anymore so I changed it to not-null="false" but the table does not get updated in the ...

3. Is it possible to generate a default value for a certain database column using hbm2ddl stackoverflow.com

Env: JPA 1, Hibernate 3.3.x, MySQL 5.x We auto generate database schema using hbm2ddl export operation. Would it be possible to generate a default value for a certain @Entity member during SQL ...

4. Error:ORA-01461: can bind a LONG value only for insert into a LONG column stackoverflow.com

I am using wsdl2java to generate POJOs. Then added @Entity annotations to the POJOS. Then using hbm2ddl for generating the db schema & persisting the data. It works well for all ...

5. What hibernate.hbm2ddl.auto value to use? coderanch.com

Hi there, I am almost 100% new to Hibernate but I'll try that my question makes sense. I am following "Sebastian Hennebrueder's" tutorial and I have made the application to run successfully. Source code is here: http://www.laliluna.de/download/first-hibernate-example-tutorial.zip I have one issue though. When I run the application, Hibernate either drops and re-creates the table (create) OR it deletes all the ...

6. Inserting Expression as a Primary Key Value,with HBM Mapping forum.hibernate.org

I am not even sure if this is possible, my use case is as described. I have a table, say Book, and it has a primary key say book_id which is of varchar2 type. The values for this column are of the format [F|N][0-9]*[DDMMYYYYHHMISS] format. ie. say example, F4358622032011123423 or N5358622032011123423, etc. where the first part is provided by the application ...

7. how can I set default value of one column in x.hbm.xml file? forum.hibernate.org

It looks like you are using Oracle. There is no way it would know that sysdate as a function for the default value. I suggest you manage this at the domain model level and set the field on construction of the domain object to todays date, eg, _createDate = new Date(); Another option is to place this into an interceptor which ...

8. all possible values for hibernate.hbm2ddl.auto forum.hibernate.org

9. [Newbie]: HBM2DDL_AUTO value for create AND update tables forum.hibernate.org

Sorry for a perhaps stupid question, but i'm unable to find a response for my question. It's possible to set up hibernate for use an existing table in my database if this table exists, and to create the same table if not exists? At this time i'm using sessionFactory = new Configuration().setProperty(Environment.HBM2DDL_AUTO, "create") .configure().buildSessionFactory(); but this creates from scratch all the ...

10. Problem/Question with hbm2java and Custom Value Types forum.hibernate.org

class MyGeneratedClass { private Severity status; public Severity getSeverity() { return this.status; } public void setStatus(Severity status) { this.status = status; } }

11. Default values while creating Tables using hbm2ddl tool forum.hibernate.org

12. How to define default values for columns in hbm.xml files!! forum.hibernate.org

Need help with Hibernate? Read this first: http://www.hibernate.org/ForumMailingli ... AskForHelp Hibernate version: Hibernate-Version: 3.2.5.ga Hello all, i'm trying to understand how to achive the following functionalities: A) On ORACLE tables i have some Columns defined with Default values. Is it possible to tell hibernate to consider these Default values during reverse Engineering? B) How to define Default Values in hbm.xml files? ...