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11

Problems down-casting in WHERE clause

and navigation from a list must be done by an additional variable. ObjectDB supports navigation from lists
11

ObjectDb Supports Clustering of Servers?

. For example, if you load a collection lazily and then navigate to each element separately, each navigation requires a separate round trip to the server. support Support Thanks Alot.. janu019 Janardhana
8

JPQL IN Operator

(just collection navigation paths). I will check if a quick fix to support the in operator is possible
8

ObjectDB without javax.persistence

.java:205) at com.btc.ep.base.ui.navigator.ProfileNavigator.refresh(ProfileNavigator.java:160
8

Trouble viewing db in Explorer.

I am having trouble with the Explorer. I can open the db just fine. I can open a few simple extents and view/navigate fine also. The problem occurs when I view the more complex extents. The Explorer will not repaint the right pane. I drag off screen to force repaint and get(right pane): (column1
8

Is 2 level cache in use?

and by navigation (and not in queries). You may try the following undocumented ObjectDB query hint
8

Update Entity references if we change the type of an entity

) rather than just an id. This enables faster navigation between objects, as retrieval of an object
8

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
1

com.objectdb.o.InternalException NPE

The stack trace indicates navigation through a broken reference (probably a reference to a deleted object
1

ObjectDB 2.2.8

Fixed a critical bug in extensive removal operations of large objects. Improved the performance of navigation through an inverse (mapped by) field if the owner field is indexed. Fixed a LEFT OUTER JOIN bug. Fixed a bug in parsing queries with parenthesis followed by NOT. Fixed a bug in running

Getting Started

ObjectDB is very easy to use. Follow the Getting Started Tutorial and the Quick Tour manual chapter and in minutes you may be able to write and run first Java programs against ObjectDB.

Prior knowledge or experience in database programming (SQL, JDBC, ORM, JPA, etc.) is not required, but some background in using the Java language is essential.

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