1. Unique property forum.hibernate.org |
2. Best way to handle unique properties forum.hibernate.orgWhat is the best way to handle unique properties? For example, say I have a user object that has a iterator generated PK. Also, I have a unique not null "username" property on my user object, so 2 different user objects can't have the same username. One way to handle this would be to query the DB, see if there already ... |
3. How to make multiple properties unique for joined-class forum.hibernate.orgHello, I want to define a unique constraint for one of my object on more than one fields. Like, data object is Person extends Basic Object First Name Last Name Age Address Now I want that First Name and Last Name should be unique. I am using |
4. How can i have a combination of properties as unique forum.hibernate.org |
5. unique property in HSQLDB? forum.hibernate.orgWell, it seems to do something in fact. Did you modify the schema or ask SchemaUpdate to do it? For me, it adds a unique(theColumn) at the end of the ddl of the table creation. I just tested, if I try to use the same name on 2 instances, it throws a ConstraintViolationException. Maybe you thought that Hibernate would perform a ... |
6. property "unique-key" doesn't use the property nam forum.hibernate.org |