About execute

forum_thread

JPA vs JDO - which is more efficient for OneToMany queries?

I'm curious about the trade offs between JDO and JPA. Seems to me that JDO will perform better and be statically typed. For example: Assume there are Customers and Orders. #1 2010-11-09 12:04 I'm curious about the trade offs between JDO and JPA. Seems to me that JDO will perform better and be statically ...

 
issue

com.objectdb.o.InternalException NPE

[ObjectDB 2.2.9_10] Unexpected exception (Error 990)   Generated by Java HotSpot(TM) 64-Bit Server VM 1.7.0 (on Windows 7 6.1). Please report this error on http://www.objectdb.com/database/issue/new com.objectdb.o.InternalException: java.lang.NullPointerException: null java.lang.NullPointerException at com.objectdb.o.REG.S(REG.java:822) at com.objectdb.o.VAR.ap(VAR.java:731) at com.objectdb.o.XQI.Vf(XQI.java:69) at com.objectdb.o.TQI.Vf(TQI.java:67) at com.objectdb.o.TQI.Vf(TQI.java:67) at com.objectdb.o.TQI.Vf(TQI.java:67) at com.objectdb.o.MQI.Vf(MQI Bug Version: Priority: Normal Status: Fixed Replies: 2 Type:  Bug ...

 
forum_thread

Is 2 level cache in use?

Hi, Is there any way to check, if 2 level cache is in use? Right now I've done two things: 1. objectdb.conf with cache size is placed in WEB-INF directory of my web application. 2. persistence.xml was modified with: #1 2011-05-06 11:55 Hi, Is there any way to check, if 2 level cache is in use? Right now I've done two things: 1. ...

 
manual

Database Transaction Replayer

Explains how to use the ObjectDB object database Replayer tool to restore recorded Java/JPA/JDO actions. ObjectDB can record its internal engine operations in special binary recording (journal) files. Recording is enabled by default and can be disabled in the configuration . The ObjectDB Replayer tool can apply recorded database operations on ...

 
release

2.0.1

Release date: 2010-10-05 Download (3.39 MB) Binary:  objectdb-2.0.1.zip ObjectDB 2 is already in use in production in several applications and is ...

 
forum_thread

ODB IndexActivation NullPointerException

Hi, We have created indexes on an existing database, which has 4.3 million objects. As soon we create first query, NullPointerException is thrown: #1 2016-04-23 09:55 Hi, We have created indexes on an existing database, which has 4.3 million objects. As soon we create fir ...

 
forum_thread

CASE WHEN...THEN...ELSE...END not working using JPQL/JDOQL

When I try to use the "case...when...then...else...end" like in the following query "SELECTCASE WHEN g.name="a" THEN "e" ELSE "o" END g from Guest g", I get the issue: Unexpected query token 'CASE' SELECT  ==> CASE <==  WHEN g.name="a" THEN "e" ELSE "o" END g from Guest g Have I mismatched something or is it an issue with ObjectDB? Anyone could help me on how to use the "case" in JPQL? Thank you in advance. #1 2016-07-29 06:59 When I try to use the "case...when...then...else...end" like in the following query "SELECTCASE WHEN g.name="a" T ...

 
forum_thread

How to do multithreading with embedded ObjectDB

Hi, I've tried to implement a counter with ObjectDB, but the following code doesn't work as expected: #1 2014-04-22 07:57 Hi, I've tried to implement a counter with ObjectDB, but the following code doesn't work as expec ...

 
release

2.0.0

Release date: 2010-09-26 Download (3.39 MB) Binary:  objectdb-2.0.0.zip ObjectDB 2 is already in use in production in several applications and is ...

 
forum_thread

Database Inconsistency or corruption

Hi, since a week I have been trying to find a solution to a strange problem. We are using ObjectDB 2.6.8_02 im embedded mode. The problem is that data gets lost when updating an entity. 1-) Background Consider Three entities: ObjectValue, Attribute and Value. ObjectValue has a one to many relationship to Attribute and Attribute has a one to one relationship to Value. #1 2016-06-27 11:16 Hi, since a week I have been trying to find a solution to a strange problem. We are using ObjectD ...