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[ODB1] Chapter 7 - JDOQL Queries

Explains how to use JDOQL, the Java/JDO Query Language. There are various ways to retrieve objects from an ObjectDB database, as shown in section 6.3 . An Extent , for instance, can be used to retrieve all the instances of a specified persistent class. When a more selective retrieval is needed, JDOQ ...

 
issue

ArrayIndexOutOfBoundsException on flush

The following exception was thrown when my app attempted to flush an objectdb database: Bug Version: 1.04 Priority: Normal Status: Closed Replies: 11 Type:  Bug ...

 
forum_thread

Modifying something with Explorer -> app JPQL with Enum doesn't work anymore

Hi! Scenario: Copy attached DB into localhost ObjectDB server (I'm running 2.5.1_03). Open attached project JavaEE Maven with NetBeans (7.4 beta in my case). Start ObjectDB on localhost as server. Run project on Apache Tomee 1.5.2 standard. Take a look at NetBeans' output to see how many entities are found with field type GOOD. There are 2 ways generate the bug: #1 2013-09-03 10:13 Hi! Scenario: Copy attached DB into localhost ObjectDB server (I'm running 2.5.1_03). ...

 
forum_thread

Dirty checking

Hi, wondering if anyone knows the best way to detect which objects have been changed in the database. ie: which objects, and which collections of objects, have been dirtied.     #1 2017-01-30 07:41 Hi, wondering if anyone knows the best way to detect which objects have been changed in the database. ie: ...

 
forum_thread

zip file or JAR manifest missing

I found the message: Error opening zip file or JAR manifest missing: /E:/projects/ObjectDB/bin/objectdb.jar Some of projects can read the DB, but others can not read or write the DB. #1 2011-06-28 15:38 I found the message: Error opening zip file or JAR manifest missing : / E :/ projects / Obje ...