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Eager Fetch Retrieval of an entity object from the database might cause automatic retrieval ... ) private Employee manager; : } The default for non collection and map references is FetchType . EAGER ... an explicit FetchType. EAGER setting: @Entity class Employee { : @ManyToMany ( fetch = FetchType . EAGER

amount: Element.getCosts().get(0).getAmount() X   Could it be that despite being fetched eager ... = FetchType. EAGER ) private List costs ; etc... } Hierarchical entities: @Entity public class Element extends BaseCostElement { @OneToMany (mappedBy = "parent" , fetch = FetchType. EAGER ) private List

different. Is an "All eager strategy" more efficient that many join fetch ( cartesian product + distinct ). ? In my first impressions ( not tested with metrics ), "all eager fetch" strategy ... of millions entities, you will get a request for each collection to fetch of each object ! So ... " Eager fetch

closes and as expected both a LAZY @ManyToOne field and an EAGER @ManyToOne field are viewable: b ... ; @ManyToOne(fetch=FetchType. EAGER , cascade= CascadeType.ALL)         C ... (unlike EAGER ) is merely a hint. For example, ObjectDB always loads simple value fields eagerly (e.g

Hi, thanks very much for your helpful software. The problem is the storage of collection or map types is not stable, we lost them sometimes after JVM restarted. Eager fetch is properly set ... ; @ElementCollection(fetch=FetchType. EAGER )     private List members = new ArrayList ();   

JPA Enum Constant in javax.persistence.FetchType EAGER Defines that data must be eagerly fetched. Since: JPA 1.0

Given that the default seems to be FetchType.LAZY for all collections @OneToMany and @ManyToMany. Such as a configuration option. Instead of having to explicitly set fetch in annotation code in every relationship. webel Dr Darren Kelly No. There is no such configuration option, since having EAGER

are also used for fast ordering and aggregate calculations . Lazy/ Eager Loading Automatic pre-loading optimizations. Configurable JPA eager /lazy fetch  and JPA query FETCH JOIN . Configurable JDO fetch

; @OneToMany ( fetch = FetchType . EAGER ) List field3; } The entity class declaration

. "objectdb.result-fetch" - sets fetch mode for query result as either " EAGER " (the default) or "LAZY

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

next version ObjectDB 3.0? And do you know an easy possibility to get an entirely eager entity graph ...   eager fetch. JOIN FETCH queries . JDO fetch groups . support Support Hello, we have still always the problem to get a complex completed eager entity graph. The best solution would be to provide

a separate client-server round trip. Future versions of ObjectDB should load eager mapped by (inverse) fields in bulk as well. support Support Bulk load of eager mapped by (inverse) singular references is now supported in build 2.4.4_13. support Support

id = 1;         @OneToMany(fetch=FetchType. EAGER )   

(cascade = CascadeType.ALL,fetch = FetchType. EAGER ) private Person person; @Index private String phn ... id; @ManyToOne(fetch = FetchType. EAGER ) private Item title; private String name; @ManyToOne(fetch = FetchType. EAGER ) private Item sex; @ManyToOne(fetch = FetchType. EAGER ) private Item citizenship

;  @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;  

; @OneToMany(cascade=CascadeType.PERSIST, fetch=FetchType. EAGER )         ... ;   fetch=FetchType. EAGER , orphanRemoval=true)         //@ElementCollection(fetch=FetchType. EAGER )         public

the investigation. I switched back to ALL EAGER ( seems to be faster ... ) and stoped all kind ... If ALL EAGER is faster in your application then you should use it anyway. We will take into account ... better. support Support Although you are moving back to ALL EAGER , will you be able to check JOIN

declare explicitly the fetch strategy for "children" as FetchType. Eager , then how can I retrieve the Nodes stored in this list. Because no matter what I try, if I dont declare the FetchType to Eager , the children field of all my retrieved nodes are of size zero When I declare the FetchType as Eager

annotating the map with @OneToMany(fetch=FetchType. EAGER ). Outside the DAO method only fields ... ), since due to a bug ( issue #552 ) eager load didn't work for collections and maps of simple values ... signingDate;     @OneToMany(fetch=FetchType. EAGER , cascade=CascadeType

), 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 to the collection no change. This should affect. An eager collection should be loaded

only fields that have been loaded before detachment (e.g. defined as eager rather than lazy, or ... 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

;ElementCollection , EAGER for Basic ). You may try using an @ElementCollection(fetch=FetchType. EAGER ... . EAGER ) . It is little bit faster as before. But also this configuration needs 80 seconds in comparing ... =FetchType. EAGER ) , which may be more appropriate for maps that contain external relationships. support Support

1.0 Public Annotation Attributes FetchType fetch default EAGER (Optional) Defines whether the value of the field or property should be lazily loaded or must be eagerly fetched. The EAGER strategy ... strategy is a hint to the persistence provider runtime. If not specified, defaults to EAGER

JPA Annotation Attribute in javax.persistence.Basic FetchType fetch default EAGER (Optional ... . The EAGER strategy is a requirement on the persistence provider runtime that the value must be eagerly fetched. The LAZY strategy is a hint to the persistence provider runtime. If not specified, defaults to EAGER . Since: JPA 1.0

; @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 ... (AccessType.FIELD) public class Values extends Identifiable { @OneToOne (fetch = FetchType. EAGER ) private

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

.FIELD) @Column (name = "uid") private String uid; @OneToOne (fetch = FetchType. EAGER , cascade ... = FetchType. EAGER , cascade = {CascadeType.REFRESH, CascadeType.DETACH }) private HashMap mappingMap = new ... _path.png  (104 KB) above. btc_es BTC EmbeddedSystems It might be related to a large eager

. EAGER ) private Set permissions; package x.x.x.x public enum UserPermission { BASIC, COACH, ADMIN ... (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

    private long id;     @OneToMany(fetch = FetchType. EAGER ... ;@ManyToOne(fetch = FetchType. EAGER )     private Ticket ticket = null;     ... = FetchType. EAGER , cascade=CascadeType.ALL, orphanRemoval=true) @MapKey(name="state") @MapKeyEnumerated

, because all is OK when using EAGER loading, but when I use LAZY with PersistenceUnit (not  ... think it relates to the no-detach option, because all is OK when using EAGER loading, but when I use ... not fully supported, so if it doesn't work well in your project you will probably have to use EAGER when necessary. support Support

default EAGER (Optional) Whether the association should be lazily loaded or must be eagerly fetched. The EAGER strategy is a requirement on the persistence provider runtime that the associated entity

JPA Annotation Attribute in javax.persistence.OneToOne FetchType fetch default EAGER (Optional) Whether the association should be lazily loaded or must be eagerly fetched. The EAGER strategy is a requirement on the persistence provider runtime that the associated entity must be eagerly fetched

JPA Annotation Attribute in javax.persistence.ManyToOne FetchType fetch default EAGER (Optional) Whether the association should be lazily loaded or must be eagerly fetched. The EAGER strategy is a requirement on the persistence provider runtime that the associated entity must be eagerly fetched

no operations are cascaded. Since: JPA 1.0 FetchType fetch default EAGER (Optional) Whether the association should be lazily loaded or must be eagerly fetched. The EAGER strategy is a requirement

JPA Enum FetchType java.lang.Object ∟  java.lang.Enum ∟  javax.persistence.FetchType Defines strategies for fetching data from the database. The EAGER strategy is a requirement ... ManyToMany OneToMany ManyToOne OneToOne Since: JPA 1.0 Enum Constants EAGER Defines that data

should be lazily loaded or must be eagerly fetched. The EAGER strategy is a requirement on the persistence provider

) Whether the collection should be lazily loaded or must be eagerly fetched. The EAGER strategy

of an entity passed as a reference. An entity is considered loaded if all attributes for which FetchType. EAGER

. EAGER has been specified have been loaded. The isLoaded(Object, String) method should be used

if all attributes for which FetchType. EAGER has been specified have been loaded. The isLoaded(Object

for which FetchType. EAGER has been specified have been loaded. The isLoaded(Object, String) method

must be eagerly fetched. The EAGER strategy is a requirement on the persistence provider runtime

JPA Annotation Attribute in javax.persistence.OneToMany FetchType fetch default LAZY (Optional) Whether the association should be lazily loaded or must be eagerly fetched. The EAGER strategy is a requirement on the persistence provider runtime that the associated entities must be eagerly fetched

JPA Annotation Attribute in javax.persistence.ManyToMany FetchType fetch default LAZY (Optional) Whether the association should be lazily loaded or must be eagerly fetched. The EAGER strategy is a requirement on the persistence provider runtime that the associated entities must be eagerly fetched

JPA Annotation Attribute in javax.persistence.ElementCollection FetchType fetch default LAZY (Optional) Whether the collection should be lazily loaded or must be eagerly fetched. The EAGER strategy is a requirement on the persistence provider runtime that the collection elements must be eagerly

might be the problem here. Try setting the fetch type of  ownedElements to EAGER and check ... is to set the fetch type to EAGER : @OneToMany(mappedBy = "owner", cascade = CascadeType.ALL, fetch=FetchType. EAGER ) public List getOwnedElements() {     return ownedElements

= "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

as eager ) in situations in which it is impossible to use lazy loading if the classes are enhanced. Eager / lazy setting can increase or decrease performance depending on the specific application. If this is the case then you should be able to improve performance with enhanced classes by eager