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JBOSS AS7 7.1.1 - Entity not persisted and createNamedQuery fire exception

is now a jboss module there is no more need to include it in the lib of the .war having objectdb

Calculating age in query?

Hi! I've got an issue: I have a birthdate as java.sql.Date and a separate field int age. However, of course the age is not accurate because it gets set only once. So what's the best bet (JPA Standard way) to solve the issue of accessing and filtering by an age (having a birthdate) in a query

multi thread application, id field sporadically null

We are testing objectDB with a multi thread application. Each thread has it's own entityManager created from a common factory. In one thread we receive sometimes an object from the database with the field that is declared as @Id having the value null (what is not correct, we checked

How to move @Embedable collection to a dedicated entity class?

. How should delete all children of a specific parent? Having a parent with 500K children, when I clear

Left join fetch behaviour doesn't retrieve children?

was moved to a separate forum thread. xirt Sylvain Support, I have done some benchmarks ( after having

Optimization of Map Queries

hi! I am having loads and loads of occurrences of something like ((com.test.MyEntity) $1.map.get('com.test.MyEntity')).someProperty ... ((com.test.MyEntity) $1.map.get('com.test.MyEntity')).someOtherProperty .. ((com.test.MyEntity) $1.map.get('com.test.MyEntity')).someMoreProperties I need

Time Sequence Object Command DB

without having to update objects defined using the older schemas. When the database is loaded

Problem with bidirectional link

(I had raised this issue in the past and have finally had time to come back to it and strip down the classes to a minimum). The problem seems to lie in having bidirectional links (viz, I have @OneToMany Map<String, Entry> children and @ManyToOne Entry parent in my classes. I've attached

Using aliases in WHERE clause

The processing order of a query is: FROM -> WHERE -> GROUP BY -> HAVING -> SELECT -> ORDER BY Accordingly

Issue with DISTINCT Select

, what is the desired, JPA-Conform way of NOT having a result with doubled $1 and stilll use

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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