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17

Mapped By Fetch is very Slow

Well ! I think i pointed out a HUGE performance issue with mapped-by attribute (yeah ... , go the MyEntity class and remove "mapped-by". You obtain 1 second max of query fetch. So my performance issue ... . Please check build 2.6.2_08 that should fix this issue. Some information about this issue: The mapped by
Forum
17

a second mapping-file is ignored in persistence.xml by enhancer

Hello Support-Team, we have a problem with the enhancer. In the persistence.xml are two mapping-files: <mapping-file>META-INF/orm.xmlmapping-file> <mapping-file>META-INF/ormreq.xmlmapping-file ... .bl.impl.RequirementImpl9 Why the second mapping-file is ignored?   The unit test has following result
Issue
17

Eager Fetch of Map with Entities as Keys

Loading eagerly a map that uses entity objects as keys is currently unsupported, if the equals ... is unavailable during instantiation of the map. The following test case demonstrates the problem ... ();         MyKeyEntity key = new MyKeyEntity("key");         em.persist(key);         entity.map
Forum
17

Index on values from a Map

Hi, is there a way to put an Index on the values from an Map? For example, if I have a Map like this: private Map mmsContainer and I want to access it fast in following way ... only in queries, and cannot accelerate other application code. You can define an index on a map
Forum
17

Merge of entity classes with "mapped by" very slow

Hi, I have found a strange behavior when merging entities with "mapped by" set on @OneToMany ... - one with mapped by, second with adding entities list without "mapped by". The difference is huge event for such small objects - 2ms (without mapped by) vs ~50ms (with mapped by) Is there any chance
Issue
16

JPQL support for Maps (JPA 2.0)

JPQL 2.0 introduces the ability define FROM variables for map keys and values. Currently ObjectDB supports FROM variables for collection elements. FROM variables for map keys and values are expected to be supported in future versions. Any updates on this issue ? Actually map values are now
Forum
16

mapping file is not being loaded

, the Metamodel is empty - none of the entities referenced in the mapping file are present in the Metamodel ... ">                                      <mapping-file>mil/navy/navo/arf/config/orm.xmlmapping-file>         true
Issue
16

Lazy loading of mapped by (inverse) singular references

ObjectDB ignores lazy setting of non collection mapped by (inverse) fields and loads ... , so it is always available. For mapped by (inverse) reference fields no information is stored in the entity ... object may be an instance of a subclass. Future versions of ObjectDB should manage mapped by (inverse
Issue
16

Bulk load of eager mapped by (inverse) relationships

. However, inverse (mapped by) references that have to be loaded eagerly currently do not participate ... a separate client-server round trip. Future versions of ObjectDB should load eager mapped by (inverse) fields in bulk as well. Bulk load of eager mapped by (inverse) singular references is now supported in build 2.4.4_13. kborkowski lwalkowski
Forum
16

Eager Fetch is not stable for collection or map types?

Hi, thanks very much for your helpful software. The problem is the storage of collection or map ... is we confirm that the collection or map are stored successfully by using explorer tools when the JVM stopped ... () of collection or map before closing the EntityManager, data can be retrieved successfully:    public