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Forum
1

Composite indexes

also on relations? @OneToOne, @ManyToOne? Yes. They are useful when the query includes navigation between entities (directly or using JOIN).   kborkowski
Forum
1

How to install ObjectDB on my Amazon EC2?

the ObjectDB archive, then you navigate into "bin" folder of the folder that was created
Forum
1

Is 2 level cache in use?

, regardless the cache. So the cache is mainly useful for retrieval by find and by navigation (and not
Issue
1

Issue with DISTINCT Select

a result of path navigation (e.g. x.a.b). Only explicit variables are shown in toString of a criteria
Forum
1

JPQL IN Operator

side of a MEMBER OF operator (just collection navigation paths). I will check if a quick fix to support the in
Issue
1

JPQL support for mapped by (inverse) collections

As discussed and demonstrated in this forum thread, collection operators and methods (IS EMPTY, SIZE, MEMBER OF, IN) are currently not supported for mapped by (inverse) collections. These operations are supported for direct (not mapped by) collections. Navigation and JOIN is supported
Issue
1

Lazy retrieval by access not working correctly

I have a problem loading lazy associations by access/navigation with an @Embedded attribute containing an @ElementCollection which is lazy loaded.  I'm not sure if the same problem exists elsewhere.  Furthermore, if I set a breakpoint in the right spot in debug mode, everything works correctly
Forum
1

member visiting in jpql

baURI is a byte[]; JP QL> select e.baURI.length from URI e where id=82778 JP QL> [ObjectDB 2.2.9_04] javax.persistence.PersistenceException Navigation from 'byte[]' through 'length' is invalid (error 763) at com.objectdb.jpa.JpaQuery.getResultList(JpaQuery.java:636) at util.JPQLcmd.QureyCMD
Forum
1

Not Enhanced: ...: com.objectdb.o.TEX: Type ..._$$_javassist_1 is not found

(an ObjectDB Entity). These errors appear when I just navigate to the page, so when AuthB is loaded
Forum
1

Object DB vs EclipseLink/TopLink: Unloaded relationships in detached entities

is:  Navigation through lazy loading from Detached Objects   webel