4 | How to apply Unique constraints on embedded fields? class A. Something like: @Entity @Unique(members={"b.c.values"}) @Entity public class ... you its working. but my requirement is something like this @Entity @Unique(members = { "b1.c.values |
4 | Automatic schema evolution causes ArrayOutOfBoundsExceptionHi, I did 2 modification to our schema. Our schema looked like this: class Entity - List<String> permissions class ServiceProvider extends Entity - String name class Airline extends ... ServiceProvider and removed the duplicated name field, the schema now looks like this: class |
4 | Search through collection for value using indexI have an entity that contains a java collection of a Long id of user entities that can modify it (many users can modify it). I would like to be able to search for all entities that can be modified by a paticular user, since I will do this query often I would like to index it. How would I tell |
4 | JPA Query language support in OBjectDB / Sub query or nested Query very well with the Hibernate/MySQL JPA. We are using Spring Data here. It looks like a problem with Sub query or nested queries where I am using IN clause like below. @Query("SELECT product FROM Product product |
4 | Should I use ObjectDB and JDO? am looking for (to achieve MUCH faster database access). But, I have a few concerns. It looks like JDO ... > It looks like JDO is the preferred API for me (because ObjectDB FAQs lead me to believe |
4 | how explorer queries work entities. (obviously the explorer must be doing something like this; correct me if i'm wrong ... , an untyped query: List result = em.createQuery(queryString).getResultList(); throws an exception like |
4 | Entity factoryHi, is it possible to create Entities with a custom factory? I want to create Entity instances via dependency injection like: @Entiy public class User { private final UserService userService ... and add this listener via API call to ObjectDB (like . Is it possible to implement such a functionality |
4 | Object explorer cannot open odb file. ObjectDB many-to-many relationship me: Is my above implementation alright for objectDB? I'd like to implement a many-to-many relationship so that User ... get an Assignement object from User object and Underlying object (but not through theirs keys). I'd like |
0 | Exception makes the system unusable for several minutes that refreshing them causes the exception? support Support from messages like these in the log: [2020-07 ... twice and download the database hgzwicker Hans-Georg Zwicker It is very likely, according to the stack |
0 | log entry and massive performance issues to our extranet and inform about), the ObjectNode.nodepath is like '/(EL)ANYNAME/(EX)F', you can find ... .nodepath is like '/(EL)ANYNAME/(EX)F', you can find a number of these objects linked to objects |
