ObjectDB Database Search

. (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

PollenDefinitionEntity extends GenericEntity { @ManyToOne( fetch = FetchType.EAGER) @JoinColumn(name ... pollenDivisionEntity; @ManyToOne( fetch = FetchType.EAGER) @JoinColumn(name = "pollenFamilyEntityId ... ; @ManyToOne( fetch = FetchType.EAGER) @JoinColumn(name = "pollenGenusEntityId", referencedColumnName

, 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)       

T fetch (Company company, Long primaryKey) {   mLogger.info(" Fetching type: {} with id ... ;@Override public T fetch (Company company, Long primaryKey) {   mLogger.info(" Fetching type ... T fetch (Company company, Long primaryKey) {   mLogger.info(" Fetching type: {} with id

). The problem is probably with the extensive EAGER setting in Product , and particularly with eager fetch of inverse (mapped by) collections. Massive inverse fetch is currently inefficient and has to be improved ... ( setMaxResults ). Does that number affect? You may try running the query with a lazy fetch hint (as done by

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

. fetch (ResultSet.java:189) at org.eclipse.birt.data.engine.executor.cache.OdiAdapter. fetch (OdiAdapter.java:214) at org.eclipse.birt.data.engine.executor.cache.RowResultSet. fetch (RowResultSet.java:145 ... .engine.executor.transform.SimpleResultSet$RowResultSetWithResultSetScope. fetch (SimpleResultSet.java

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

; @OneToOne(cascade=CascadeType.ALL, fetch =FetchType.EAGER,          ... (mappedBy = "customer", fetch = FetchType.LAZY) private List itemList; @OneToMany(mappedBy = "customer", fetch = FetchType.LAZY) private List otherItemList; ... getters and setters } Only address is filled

Using JPA2, I can save entities now in JBoss, and also fetch them uniquely by id. However, if I try to fetch it by getting back all instances (e.g. findAll, I get the following error: org.jboss ... my eagerness to test I think I need to do an audit on all criteria queries. Works well. Fetched

    private long id;     @OneToMany( fetch = FetchType.EAGER ... ;@ManyToOne( fetch = FetchType.EAGER)     private Ticket ticket = null;     ... the Explorer. itsme Martin Petzold I have now changed to and it is working: @OneToMany( fetch

;     @ManyToOne( fetch = FetchType.LAZY, cascade = CascadeType.ALL)    ... ; @OneToMany( fetch = FetchType.LAZY, mappedBy = "a", cascade = CascadeType.ALL)         List listA_mapped;         @OneToMany( fetch

Relationships. It should be load lazy but i dont know why the query fetch all the Data ... ; @OneToMany(cascade = CascadeType.ALL, orphanRemoval = true, mappedBy="project", fetch = FetchType.LAZY)   ... = CascadeType.ALL, orphanRemoval = true, mappedBy="project", fetch = FetchType.LAZY)    

selected operations (while "visiting" the loaded managed entity) to load and fetch desired values. In ... " Boolean value wrapper BooleanValue entity. This is @OneToOne with explicit LAZY fetch . - A BooleanValue ... ' which is a "deep" Float value wrapper FloatQuantity entity. This is @OneToOne with explicit LAZY fetch

; @ManyToOne( fetch =FetchType.LAZY) @MapsId("cont") private EContainer container; public EContainer ... () { return prnt; } } @EmbeddedId private ECompoundKeyMapSubItemId id; @ManyToOne( fetch =FetchType.LAZY ... String property; // Attributes which mark another non containment relationship @ManyToOne( fetch

; static class A {         //@OneToMany( fetch = FetchType.LAZY, cascade = CascadeType.ALL, mappedBy = "parent")         @OneToMany( fetch ... ;      @ManyToOne( fetch = FetchType.LAZY, cascade = { CascadeType.ALL })  

  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

;       @OneToMany(cascade= CascadeType.ALL, fetch = FetchType.EAGER ... ;    @OneToOne( fetch = FetchType.LAZY, cascade = CascadeType.ALL)     ... ;       @ManyToOne( fetch = FetchType.LAZY)      

-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