ObjectDB ObjectDB

Internal Website Search

111-120 of 200 resultsRefresh

Replication not working anymore

. Configured all and it worked. I don't know what went wrong the first place. I did not

multiple LEFT JOINs do not work as expected

organisations, e.g. it does not return the organisations directly under root. The root organisation

Eclipse - Maven - Dependencies not getting automatically reflected

are not getting displayed. Say if I input springframework, it only reflect the jars that installed

@Unique member combination not working

Why does the below code not enforce unique restrictions? Person @Entity @Unique(members = {"name", "surname"}) public class Person implements Serializable {     @Id     @GeneratedValue     private Integer id;     private String name;     private String surname; public Integer

Last build is not available on Maven Repository

Is there some special reason why the last two builds of 2.3.3 are not available in your Maven repository? mosi0815 Ralph Moser Just checked and 2.3.3_06 was indeed missing (but 2.3.3_05 was there). It is available now (refresh your browser). I will check what went wrong. Thank you for reporting this. support Support

OR not working with isNull

Given the following: Predicate isOwnedByUser = cb.equal(root.get("owner").get("id"), userId); Predicate ownerIsNull = cb.isNull(root.get("owner")); Predicate ownerMatchesOrIsNull = cb.or(ownerIsNull, isOwnedByUser); The isNull predicate will only match records when NOT inside the OR predicate

Insert a new entity class in a class hierarchy does not work

Hello, we have an entity class hierarchy and we want to insert a new entity in this hierarchy and our database must be automatically updated by schema evolution. Unfortunately it does not work, because the class hierarchy had already always existed and the "new" entity class needed

Entity has be persistended,but query not fetched?

I create a new entity T newT and persistend it,then I create a query "select t from T t" to fetch all T entities.But then the newT is not contain in the query result. Why? code order: query.setFlushMode(FlushModeType.AUTO); query.getResultList(); maozf maozf The following example demonstrates

Can not connect to replication node

when the objectdb.jar file is not available in the classpath. support Support Thanks

Mapped by fields are not initialized by JOIN FETCH in queries

As demonstrated in this forum thread, a mapped by collection field with lazy fetch mode is not initialized in results of a query that uses JOIN FETCH on that collection field (when enhancement is used). support Support Build 2.4.1_06 fixes this issue (fields are now initialized and the test in

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.

Need Help?

  1. Search ObjectDB website
  2. Read the FAQ
  3. Follow the Tutorials
  4. View or post in the forum
  5. Search or file an issue
  6. Contact support