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1-50 of 200 resultsDeleting JPA Entity Objects Existing entity objects can be deleted from the database either explicitly by invoking the remove method or implicitly as a result of a cascade operation. Explicit Remove In order to delete ... transaction, it can be deleted using the remove method: Employee employee = em. find (Employee.class, 1 | |
Remove an entity which attributes were changed - OptimisticLockException and the entity is passed to plugin B. Plugin B changes an attribute on the entity. Plugin C removes ... lock exception of the removed entity. If this operations on the entity are executed in only one plugin ... will be removed , if we use three OSGi plugins. btc_es BTC EmbeddedSystems The difference between using | |
Is it possible to remove parent/child entities without refresh? We have a big entity object tree in our project. If I use the entityManager. remove (childEntity) method to remove a child entity a entityManager.refresh(parentEntity) is necessary in order ... . Do you know a way to remove a child entity from a parent entity without a entityManager.refresh | |
Remove not working ( removed in current transaction) at com.objectdb.o.JPE.g(JPE.java:94) at com.objectdb.o.ERR.f(ERR ... ) at com.objectdb.o.TVS.g(TVS.java:93) at com.objectdb.jpa.EMImpl. remove (EMImpl.java:464) Newest version ... ; em. remove (byName); } The unit retrieval works | |
remove & persist in same transaction => Attempt to reuse an existing primary key value (another table). On this point we get no conflicts. If we remove additional data for Entity (B) and then the special Entity (A) is empty, we remove the special Entity (A). If we add additional data for Entity ... the same transaction: first remove additional Data - The special Entity (with id 1) is empty and we remove | |
Removing objects where ManyToMany relationships exist are removed from the database. What happens with the numerous TreeSets for all the existing Entities in the database? Are OtherEntities that are referenced in a TreeSet automatically removed as ... where an entry points to an to-be- removed OtherEntity, to remove it from the Set manually? Hope not | |
Entity not removed 100% When I remove an object from a class it get's removed but the other objects that had that object ... .ALL) This is what it remains when I check the removed object from another object's attributes Unknown unknown It is the application responsibility to clear references to removed objects. Cascading removal | |
Remove a modified entity cause an optimistic lock exception Hello, the following examples load and modify an entity, and load and remove the same entity ... ;OSGi test case to the minimum that can still show the unexpected behaviour (i.e. remove unnecessary ... the object. Flushing changes to the database (by running a query in FlushModeType.AUTO ?) Removing | |
Record is not clearing properly on remove;but when i delete Agent ,it is removed from db but in AgentGroup it is not removed properly. Agent ... ; Thanks Manoj Manoj Kumar Maharana You have to remove it from the collection and then delete ... the removed object after it is removed from the database (a refresh may be needed). support Support | |
removed objects stay with null field values in the reference; ... @OneToMany(fetch=FetchType.LAZY) public Set workflow = new HashSet (); When we remove an object ... . remove hgzwicker Hans-Georg Zwicker You have to remove the object from the set  ... the set from the database, even if the object is not removed from the set explicitly. support Support | |
Attempt to remove a detached entity object (error 613) wanted to merge it ... Unfortunatly, i get this error : Failed to commit transaction: Attempt to remove ... to remove the object ... ? In my opinion, one child ( a list ) with OneToMany and orphanRemoval has been modified ( one element removed ). And objectdb maybe tries to remove the object ... But i | |
Removing an entity throws exception able to remove customer entity, when it's read by a query (it's attached), it throws this exception ... is the entity detached (why?). When I merge it, I can remove it without problems... The Customer class ... ").getResultList(); Code for removing : em.getTransaction().begin();   | |
removing members in existing databases Hi team i might ask for the best practice to remove some members (i.e. collections) in existing ... and let it remain in database 2. Remove the list and 2.a update every object that contains this (now removed ) list 2.b compute a database defragmentation with String[] args = {old_db | |
DELETE Queries in JPA/JPQL: Retrieving the entity objects into an EntityManager . Removing these objects from the EntityManager within an active transaction, either explicitly by calling the remove method or implicitly ... the database, but when executed, delete specified entity objects from the database. Removing entity objects | |
Schema-Update: Rename superclass and remove one subclass Hello, we renamed a superclass and removed one of the subclass. If we then try to open ... to RenamedSuperClass and Remove the ChildClassB. @Entity @Access(AccessType.FIELD) public ... a super class and removing one of its subclasses at the same time. This report was moved to the issue | |
can removing an entity throw an exception if the entity is in use?; // set of A's Set untyped; // general collection that may include A's } Objectdb allows me to remove ... and try to reference the A, I get an EntityNotFoundException. Is there a way to prevent the removal of the A, if it is referenced by any other object in the database? (ie. EntityManager. remove | |
Removing an element from an @OneToMany doesn't work private Parent parent; Somewhere I do this: parent.getChildren(). remove (0); manager.merge(parent ... isn't removed . Should I remove the children entity too? It works using EntityManagerFactory | |
javax.persistence.CascadeType.REMOVE JPA Enum Constant in javax.persistence.CascadeType REMOVE Cascade remove operation Since: JPA 1.0 | |
EntityManager.remove(entity) - JPA Method JPA Method in javax.persistence.EntityManager void remove ( Object entity ) Remove the entity instance. Parameters: entity - entity instance Throws: IllegalArgumentException - if the instance is not an entity or is a detached entity TransactionRequiredException - if invoked | |
Removing entity class into 10 entities limit. My question is: Is it possible to remove entity/table completely from ... Milan mimac Milan Fabian Unfortunately removing a class is currently unsupported | |
How to Remove records from many to many relationship tables in JPA = entityManager.find(Conclusion.class, id); entityManager.getTransaction().begin(); entityManager. remove ... = {CascadeType.PERSIST, CascadeType. REMOVE }) @Cascade(org.hibernate.annotations.CascadeType.DELETE | |
The exception "Attempt to remove a detached entity object" have no information about the entity Hello, the exception "Attempt to remove a detached entity object" have no information about the detached entity. It is very hard, especially if the involved entities uses cascading, to find the removed call for the detached entity. It would be very helpful if you can add a few information | |
Working with JPA Entity Objects: New, Managed, Removed and Detached. When an entity object is initially created its state is New ... the EntityManager’s remove method within an active transaction. The entity object changes its state from Managed to Removed , and is physically deleted from the database during commit. More details on object | |
Shared (L2) Entity Cache = cache. contains (MyEntity.class, Long.valueOf(id)); Cached entity objects can be removed from the cache by one of the evict methods: // Remove a specific entity object from the shared cache: cache. evict (MyEntity.class, Long.valueOf(id)); // Remove all the instances of a specific class from the cache | |
Strings in JPQL and Criteria Queries Characters The TRIM([[LEADING|TRAILING|BOTH] [char] FROM] str) function returns a string after removing ... to ' UK' . TRIM(BOTH FROM ' UK ') is evaluated to 'UK' . By default, space characters are removed | |
Database Schema Evolution Modifications to entity classes that do not change their persistent field definitions (their schema) are transparent to ObjectDB. This includes adding, removing and modifying constructors, methods ... the hierarchy, removing an intermediate class in the hierarchy, etc.). Convertible Types When an old | |
JPA Lifecycle Events ). @PreRemove - when an entity is marked for removal in the EntityManager. @PostRemove | |
Database Management Settings Removing ObjectDB evaluation restrictions (of 10 entity classes and 1,000,000 entity objects | |
Detached Entity Objects an instance of an entity class or it is a removed entity. A TransactionRequiredException is thrown | |
Numbers in JPQL and Criteria Queries function removes the minus sign from a specified argument and returns the absolute value | |
Retrieving JPA Entity Objects the New, Removed or Detached states). If the object does not exist in the database anymore | |
Privacy Policy to remove that information from Our servers. If We need to rely on consent as a legal basis | |
Obtaining a JPA Database Connection content, such as persist and remove . Database updates are collected and managed in memory and applied | |
CRUD Database Operations with JPA (); for (int i = 0; i = 100) { em. remove (p); // delete entity } else { p.setX(p.getX() + 100); // update | |
Eclipse Public License - v 1.0 of this Agreement must be included with each copy of the Program. Contributors may not remove or alter any | |
Posting Sample Code ( no persistence unit ). Keep the test as simple as possible - remove unnecessary code (but keep it complete | |
ObjectDB Object Database Features are handled automatically. Removed fields are handled automatically. Most field type changes are handled | |
ObjectDB Website - Terms and Conditions of Use engineer any software contained on ObjectDB Software's web site; remove any copyright or other proprietary | |
Database Explorer an entity object). Elements can be removed from the collection using the Edit Delete command | |
Removing of an entity removes also another entity type. All ResolverMapping entities are removed by a query (DELETE FROM ...), afterwards ResolverMapping entities ... with a result and after that a ToleranceDefinition entity is removed from database by entitymanager. remove (obj). Directly after remove we try to retrieve again the ResolverMapping entities from | |
Schema-Update: Deactivation of automatic entity class removing and introduction of a new class remove in the schema config EmbeddedSystems Hello, we got now an exception in a use case in which we removed an entity. Exception in ... that we can access the persisted objects of the ' removed ' entity. And now we are a little bit confused, because we thought that the instances are removed if we remove the entity class. In the past | |
Issue with cascade delete & add/remove. However, when removing an Address from the collection and immediately adding it again to the collection (within one transaction!) then the Address entity is yet removed from the database, eventhough ... to clear the collection first, commit that and then remove the Contact? thanks! quasado Alexander Adam | |
Schema-Update: Rename superclass and remove one subclass Hello, we renamed a superclass and removed one of the subclass. If we then try to open ... to RenamedSuperClass and Remove the ChildClassB. @Entity @Access(AccessType.FIELD) public ... and removing one of its subclasses at the same time. After investigating this issue | |
Remove of an entry from a @OneToMany collection is not possible if the enhancer is disabled Hello! When the JPA entities are not enhanced the removal of an entry from a @OneToMany collection ... .getChildEntityContainer(). remove ("01"); does not work correctly with not enhanced JPA entities. package ... (); entityManager. remove (parentEntity.getChildEntityContainer().get("01")); parentEntity | |
Remove an entity which attributes were changed and the entity is passed to plugin B. Plugin B changes an attribute on the entity. Plugin C removes ... lock exception of the removed entity. If this operations on the entity are executed in ... although the entity will be removed , if we use three OSGi plugins. btc_es BTC EmbeddedSystems The question | |
Cascade.ALL with LAZY fetchtype does not clean up all references on remove Hello, I have a tree of entity classes that reference others using Cascade.ALL in combination with FetchType.LAZY. If I now delete a root entity using EntityManager. remove all leaf nodes will not ... the database. If you remove the FetchType everything works. Best regards Markus doppelrittberger | |
NULL reference, how to remove we have in our db these objects, how can we remove them (we did already a -cp Doctor): hgzwicker Hans-Georg Zwicker More information is needed about this NULL reference ... reference? If they are ordinary null values in the ArrayList then you can use List 's remove method. See also this question on stackoverflow. support Support | |
[ODB1] Chapter 6 - Persistent Objects . The Utilities.unbind( ... ) method removes an object name: import com.objectdb.Utilities; : : pm.currentTransaction().begin(); Utilities.unbind(pm, "me"); pm.currentTransaction().commit(); Removing a name also requires an active transaction. When the transaction is committed, the name is removed | |
[ODB1] Chapter 8 - ObjectDB Server address restriction. The minus value in the delete attribute removes an inherited permission | |
[ODB1] Chapter 3 - Persistent Classes Most of the changes to persistent classes do not affect the database. This includes adding, removing |