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Can't modify @EmbeddedId in ObjectDB Explorer

only on its parent. Problem: id's content can't be modified through its parent neither. Scenario: open db in ... Chirac ObjectDB doesn't support modifying object IDs, not just in the Explorer, but by ... , where everything can be modified. zmirc Mircea Chirac Object Ids are usually immutable in object oriented databases

ObjectDB Enhancer Tool in Java 9

location, which is not valid in a Java module environment. Example command: java -Dobjectdb.conf ... (Enhancer.java:32) Exception in thread "main" java.lang.ExceptionInInitializerError at com ... :32) Caused by: com.objectdb.o.UserException: Invalid configuration in 'internal' - Check permissions

JDO @Index in JPA?

, which I know that it's not available in JPA, but ObjectDB works with JDO as well. Question1: will adding JDO @Index in a JPA entity have any effect or I have to switch that entity to JDO? Question2: switching entities from JPA to JDO can happen when there is already data in the database? Or do I

Multi selection and distinct in a criteria query

of CriteriaQuery. There are some relevant examples in the manual. support Support Ok yes I am aware of that sorry ;) What I was trying to say.. how can I restrict the DISTINCT to the first selection element in ... supported neither in JPQL nor in criteria queries. But does it make sense? Results with identical

How to apply constraints in collection attributes of entity.

How to apply constraints like unique, not null ...etc in collection attribute of a entity. Example ... = PhoneNumbers; } } in above example i wants to implement unique and notnull constraints ... in lifecycle events. support Support no my question was If i have PhoneNumbers["1234","567","45689

Possible issue for JPQL IN expression

Possible issue for JPQL IN expression with a set of more than one string literals values in the path expression. Error: Exception in thread "main" [ObjectDB 2.3.7_10] SELECT e FROM MyEntity e WHERE e.country IN ('US' ==> , <== 'SP', 'UK') javax.persistence.PersistenceException Unexpected query

JPQL query to get entities that does not have a child entity in their child entities

: @NamedQuery( name = "findFinishedJobsBetweenTimeIntervals", query = "SELECT J FROM JobEntity J, IN(J ... = "findCanceledJobsBetweenTimeIntervals",   query = "SELECT J FROM JobEntity J, IN(J.statuses) JS ... ( name = "findFailedJobsBetweenTimeIntervals",   query = "SELECT J FROM JobEntity J, IN(J.statuses) JS

Online Backup in client-server mode

. Can it be improved? In my opinion the server proces should handle whole backup proces and do it as efficiently as the embedded mode does it. thamal Tomas Hamal Actually in client-server mode ... should be created. See also the ObjectDB manual. support Support Hello, Thank You, I missed that part in

Better support for ObjectDB in Eclipse Plugins

ObjectDB can be used in Eclipse plugin, but currently it has to be embedded in the plugin and cannot be used from other plugins in which it is not embedded. More details can be found in the following ... that will enable using ObjectDB as a separate bundle and accessing it from other bundles / Eclipse plug ins

Errors in log to repprt

We have since a while these entries in the log, please inform if this needs a repair (doctor ... . If you want to be sure you can run the Doctor in diagnosis mode first (possibly on a recent backup of the production database) and check if there are errors in the report. If you have any information

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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