ObjectDB Database Search

(cascade = CascadeType.ALL, fetch = FetchType.EAGER) private Person person; @Index private String phn; private String comments; /* Create Properties */ @ManyToOne( fetch = FetchType.LAZY) private WebUser ... .persistence.TemporalType.DATE) private Date createdOn; @ManyToOne( fetch = FetchType.LAZY) private

; @OneToMany( fetch =FetchType.LAZY) public List actions = new ArrayList (); @OneToMany( fetch =FetchType.LAZY) public List childNodes = new ArrayList (); @OneToMany( fetch =FetchType.LAZY) public List container = new ArrayList (); @OneToOne( fetch =FetchType.LAZY) public ObjectNode currentLocation; @OneToOne

;  @OneToMany( fetch = FetchType.EAGER, cascade = CascadeType.ALL) public long[] time;     @OneToMany( fetch = FetchType.EAGER, cascade = CascadeType.ALL) private long[][] a1;     @OneToMany( fetch = FetchType.EAGER, cascade = CascadeType.ALL) private long[][] a2;  

has a OneToMany relationship to DataElement. Every relationship is eagerly fetched   Problem ... amount: Element.getCosts().get(0).getAmount() X   Could it be that despite being fetched eager ... ; etc... } @MappedSuperclass public abstract class BaseCostElement extends BaseElement { @ElementCollection ( fetch

. (Especially if using LAZY fetch sub object). Do I always just get the list of objects as it looks when the fetch start? Martin   mt Martin Every EntityManager manages its own memory objects ... own defined as @OneToMany( fetch =FetchType.LAZY) List bookList; (And in this example, there is only 1 object in

, and particularly how exactly that map is defined and with which fetch type. If the problem ... ; @OneToMany(cascade=CascadeType.PERSIST, fetch =FetchType.EAGER)         ... ;    fetch =FetchType.EAGER, orphanRemoval=true)       

Jakarta Persistence (JPA) Method in jakarta.persistence.Graph void removeAttributeNode (    String attributeName ) Remove an attribute node from the entity graph. When this graph is interpreted as a load graph, this operation suppresses inclusion of an attribute mapped for eager fetching

Jakarta Persistence (JPA) Method in jakarta.persistence.Graph void removeAttributeNode (    Attribute attribute ) Remove an attribute node from the entity graph. When this graph is interpreted as a load graph, this operation suppresses inclusion of an attribute mapped for eager fetching

mapped for eager fetching . The effect of this call may be overridden by subsequent invocations of Graph

public class TransportationEvent { ... @ManyToMany( fetch = FetchType.EAGER, cascade = CascadeType ... { .... @ManyToMany( fetch = FetchType.LAZY, cascade = CascadeType.PERSIST) private List transportationEvents ... .annotations.CascadeType.DELETE_ORPHAN) and i applied that as @ManyToMany( fetch = FetchType.EAGER, cascade

) @ElementCollection private Map values = new HashMap (); @OneToOne ( fetch = FetchType.LAZY, cascade ... ; @OneToOne ( fetch = FetchType.EAGER) private TCStep step; //For performance reasons, we use a list ... @ElementCollection ( fetch = FetchType.EAGER) private Map values = new HashMap (); } btc_es BTC

and 2.4.3_01 the db is always returning everything, including the data marked as Fetch .LAZY.  I ... an open EntityManager, but it is fetched lazily when needed. You do see a difference (in addition ... data will not be available and will not be fetched either. support Support Ok, so then I believe Lazy

.FIELD) @Column (name = "uid") private String uid; @OneToOne ( fetch = FetchType.EAGER, cascade = {CascadeType.REFRESH, CascadeType.DETACH }) private ModelElementImpl element; @OneToMany ( fetch ... fetch that affects the performance of further operations. Could you please check build 2.8.6_06

annotating the map with @OneToMany( fetch =FetchType.EAGER). Outside the DAO method only fields ... signingDate;     @OneToMany( fetch =FetchType.EAGER, cascade=CascadeType ... class GuestHolder { // Persistent Fields: @Id @GeneratedValue Long id; @OneToMany( fetch =FetchType

is faster at runtime. It could be due to the different default fetch value ( LAZY for ElementCollection , EAGER for Basic ). You may try using an @ElementCollection( fetch =FetchType.EAGER) and see if it is fast as @Basic support Support I tested it already with @ElementCollection( fetch =FetchType

objects correctly, but in the application running in Jetty with Spring, fetching is not cascading ... ;   -dh dhosek Don Hosek Fetching doesn't work by default for detached objects. Please read ... objects? -dh dhosek Don Hosek It would be better and more efficient, if possible, to arrange fetching of the relevant data before detachment. support Support

It is possible to use lazy loading on fields of attached entities by several threads? Example: class EntityZ { @OneToOne( fetch = FetchType.LAZY) EntityX fieldX; @OneToOne( fetch = FetchType.LAZY) EntityY fieldY; @ElementCollection ( fetch = FetchType.LAZY) List list; } We want to load the entity

to database.entity.Player From just fetching a single result: TypedQuery query = em ... .Thread.run(Thread.java:722) So basically the query fetched the persistent fields and built a Player ... that there is no error on the fetching request. I could have written: Object player = query

accessed) are available. One way to solve the problem is to change the fetch policy of the field from LAZY to EAGER :     private @OneToMany( fetch =FetchType.EAGER) List flags; According ... make a difference for ObjectDB, but to remove this error / warning try: private @Basic( fetch =FetchType.EAGER) List flags; support Support

The last builds include fixes for some fetch issues so it is possible that ObjectDB behaves differently ... automatically. Loading of collections may require setting EAGER fetch explicitly ... ". If you use version 2.3.4 then the output is "username". I think lazy fetching of primitive fields is a bit

public abstract class A { @Id @ManyToOne( fetch = FetchType.EAGER, cascade=CascadeType.ALL, optional ... instances should be fetched eagerly in this case. Please follow the posting instructions and provide a test ... public abstract class ChildsSuper {   //  @Id   @ManyToOne( fetch = FetchType.EAGER

through a collection field in another class that uses eager fetch : @OneToMany( fetch = FetchType.EAGER ... valid:     @OneToMany( fetch = FetchType.EAGER, cascade=CascadeType.PERSIST

the license inside the server. By the way, I fetched the following message: Your activation code ... Lotti Solved, it was really because of the activation code I wasn't able to fetch from URL. Ieodaq Daniele Lotti  Solved, it was really because of the activation code I wasn't able to fetch from URL

, when it is marked as @ManyToOne( fetch =FetchType.LAZY) ?   package com.greensoft.objectdb.test ... ; @ManyToOne( fetch =FetchType.LAZY, cascade= CascadeType.ALL)         C ... ; @ManyToOne( fetch =FetchType.EAGER, cascade= CascadeType.ALL)         C

, the collection is populated. The collection is eagerly fetched . public class MyEntity {     @OneToMany( fetch =FetchType.EAGER)     private ArrayList myCollection = new ArrayList ... ;            @OneToMany( fetch =FetchType.EAGER

Hi! I have in an entity called User with the following field: @ElementCollection( fetch = FetchType ... ( fetch = FetchType.EAGER) private Set permissions; saves enum values as ordinal, not String ... ;@ElementCollection( fetch = FetchType.EAGER) containing enums should be order independent. Thanks. zmirc

  v2.8.8_2 I have an entity that has 2 collection fields: @OneToMany( fetch = FetchType.EAGER)      Collection position;      @OneToMany( fetch = FetchType.EAGER)      Collection rotation ;   Now if I persist them so the values are: position

), added EAGER fetch to the collection no change. I have tried to persist the document first ... to add ManyToOne of the owning side (Readings), This should not make any difference. added EAGER fetch

@GeneratedValue     private long id;     @ManyToMany( fetch = FetchType. EAGER , cascade ... {     @Id @GeneratedValue     private long id;     @ManyToMany( fetch

a (mostly) LAZY-only fetch policy across the system. Most of my EJB methods for querying are configurable ... than entity fetch graphs, too.       webel Dr Darren Kelly

. When you retrieve a MyEntity1 its fields may be initialised as null / empty list, unless eager fetch is used. Anyway, when the MyEntity2 and MyEntity3 instances are needed they are fetched from the 2nd level cache if available. support Support

to @OneToMany( fetch =FetchType.EAGER), the properties can be read. It seems to me that ObjectDB doesn't ... A { @Id @GeneratedValue Long id; @OneToMany( fetch =FetchType.LAZY, cascade=CascadeType.ALL) List list

Using the fetch over Root attribute, the exception is: com.objectdb.o._PersistenceException: Unexpected query expression end (non keyword identifier is expected)] with root cause com.objectdb.o ... .class);   root. fetch ("PersonData"); //@OneToOne relationship   criteriaQuery.select(root

;   @OneToMany( fetch = FetchType.LAZY, cascade = CascadeType.ALL, mappedBy = "parent ... ; @Id   @GeneratedValue   private long id;   @ManyToOne( fetch = FetchType.LAZY

{   @Id   @GeneratedValue   private long id;   @OneToMany( fetch = FetchType.LAZY ... long id;   @ManyToOne( fetch = FetchType.LAZY, cascade = { CascadeType.PERSIST, CascadeType.MERGE

siteAuth; private DialogAction currentDialogAction; @ManyToMany( fetch = FetchType.EAGER, cascade ... .PERSIST}) private Album mainAlbum; @OneToMany(mappedBy="person", fetch = FetchType.EAGER, cascade

(name = "KEY_DESCRIPTOR") private AfwKeyDescriptor keyDescriptor; @OneToMany( fetch = FetchType.LAZY, cascade = CascadeType.ALL) @Column( name = "DATA_ITEMS" ) private List dataItems; @OneToOne( fetch

Hi , in my database i want to fetch resultlist as big chunks.JPA 2.2 has new feature named Stream. So i can fetch all JPA queries with less memory. is there any news for objectdb ? Will you update objectdb for JPA 2.2 ?  eix128 Kadir BAŞOL We hope to support this feature soon

() { return ownedElements; } private Element owner; @ManyToOne( fetch = FetchType.LAZY) @JoinTable(name ... might be the problem here. Try setting the fetch type of  ownedElements to EAGER and check ... (the default fetch type for to-many) - the entity objects are detached without that field

a boolean flag. @Entity class MyStepBlockCollection { @OneToMany ( cascase = ALL , fetch = Lazy ... = ALL , fetch = Lazy , target = MyStep } ArrayList steps; } @Entity { class MyStep { @ElementCollection ( fetch = LAZY ) ArrayList values; } @Embeddable class MyValue { @Basic boolean flag; @Basic String

-Query and fetching Entities afterwards from database. Expected result: Getting changed Entities from ... using UPDATE-Query, calling entityManger.clear() and fetching Entities afterwards from database ... using UPDATE-Query and fetching Entities afterwards from database. Expected result: Getting changed

JDO. It works like this. First you specify attributes to fetch from database: @FetchGroup(name ... query = em.createQuery("SELECT e FROM Entity e", Entity.class); query.setHint(QueryHints. FETCH _GROUP ... ("select e.firstName, e.lastName FROM Entity e", Tuple.class); But with fetch group you don't

= "uid") private String uid; @OneToOne ( fetch = FetchType.EAGER, cascade = {CascadeType.REFRESH, CascadeType.DETACH }) private ModelElementImpl element; @OneToMany ( fetch = FetchType.EAGER, cascade ... uid; @OneToOne ( fetch = FetchType.EAGER, cascade = {CascadeType.REFRESH, CascadeType.DETACH }) private

{ @OneToOne( fetch = FetchType.EAGER) private CacheableJobInfo ji; @OneToOne( fetch = FetchType.EAGER) private ... . The problem dissapeared when removing the @OneToOne( fetch = FetchType.EAGER) annotation. I am not

, cascade=CascadeType.ALL, fetch =FetchType.EAGER) private Object payload; @OneToOne(orphanRemoval=true, cascade=CascadeType.ALL, fetch =FetchType.EAGER) private Map metadata; ... In this case the "payload

definitions are (for the null references above): ... @OneToMany( fetch =FetchType.LAZY) @Index public List actions = new ArrayList (); ... @OneToMany( fetch =FetchType.LAZY) @Index public List childNodes

Added support of @ElementCollection  (for setting eager fetch of non entity collections, such as List ). Improved performance of eager fetch in queries. Added Maven build enhancement to the bundled examples. Fixed a schema evolution bug in renaming user types. Fixed a bug in handling schema

I'm having an issue eager loading a nested map. I've attached @ManyToMany( fetch =FetchType.EAGER) attributes to no avail. If the map is viewed in the debugger or force iterated in the code it loads ... Richard Szurgot There was a bug in eager fetch of collections and maps of simple values. Build 2.3.2

, CascadeType.PERSIST}, mappedBy="account", fetch = FetchType.LAZY) @JoinColumn(name = "project_id", unique=true ... ;     mappedBy="account", fetch = FetchType.LAZY)      

queries  and/or fetch joins that can preempty data that will be needed in the user interface. [Recommended reading JPA Pro 2: - p.164 to p.168 Working with Detached Entities - p.222 Fetch Joins