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30

Bug: ClassCastException by retrieval

("find by retrieval : %s %n",tn3.getTa()); System.out.printf("Arrays : %s %n",Arrays.toString(tn3 ... , l, l, o, W, o, r, l, d, 2] find by retrieval : H Arrays : [H, e, l, l, o, W, o, r, l, d, 2
30

a second mapping-file is ignored in persistence.xml by enhancer

> We start the enhancer and the entities of orm.xml will be enhanced by following output: enhancer ... will be enhanced by following output, because the enhancer is apparently ignored the ormreq.xml
30

Getting java.lang.ArithmeticException: / by zero

() is throwing the following exception ava.lang.ArithmeticException: / by zero at com.objectdb.td.remove(td ... which is being used is 2302. Regards, Binit Bhaskar binitbhaskar Binit Bhaskar This division by zero
30

NULL prefered in ORDER BY?

Hi! Is there a way to NOT prefer NULL in Order BY? I.e. assume this: @Entity class Hint {     private String name; } @Entity class Test {     private Hint hint; } I've got a few Test ... Test ORDER BY hint.name It orders ASC like this (assuming I've got three Test Entities whereas first
29

find out if an entity is refered by other entities

Hello, it is possible to find out if a child entity is just referenced by other parent entity types. But the types of the parent entities are unknown. Is there a possibility to find out if an entity is referenced? best regards btc_es BTC EmbeddedSystems You can only find it (using a query
29

Update more than 10000 entities by an update query fails

Hello, following example tries to update more than 10000 entities by an update query. But only the first 10000 elements are updated. What's wrong? public class updateMoreThan10000Elements { static int idCounter = 1; public static void main(String[] args
29

Retrieval by Access bug?

any reason for that. Could be any bug in ObjectDB when I retrieve by navigation a field from
29

Will Entire JPQL Supported by ObjectDb?

supported yet by ObjectDB. The main missing feature is subqueries. You may browse the issue tracking
29

Finding an object by its datetime

of course). My resultlist from my query gets zero results. I want to search for objects by exact
29

Internal ObjectDB error by read the primary key

that was not covered by the fix of 2.6.6_05. Build 2.6.6_06 should fix it. Unfortunately

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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